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* News update for 3.3.90 releaseEVOLUTION_3_3_90Chenthill Palanisamy2012-02-201-44/+72
* NEWS update for 3.3.5 release.EVOLUTION_3_3_5Matthew Barnes2012-02-061-0/+54
* NEWS update for 3.3.4 release.EVOLUTION_3_3_4Matthew Barnes2012-01-161-0/+69
* News update for 3.3.3 releaseEVOLUTION_3_3_3Chenthill Palanisamy2011-12-191-0/+93
* NEWS update for 3.3.2 release.EVOLUTION_3_3_2Matthew Barnes2011-11-211-0/+61
* NEWS update for 3.3.1 release.Matthew Barnes2011-10-231-0/+114
* NEWS update for 3.2.0 release.EVOLUTION_3_2_0Matthew Barnes2011-09-251-0/+21
* News update for 3.1.92 releaseEVOLUTION_3_1_92Chenthill Palanisamy2011-09-191-0/+50
* NEWS update for 3.1.91 release.EVOLUTION_3_1_91Matthew Barnes2011-09-041-0/+22
* NEWS update for 3.1.90 release.EVOLUTION_3_1_90_FIXEDMatthew Barnes2011-08-291-0/+98
* News update for 3.1.5 releaseEVOLUTION_3_1_5Chenthill Palanisamy2011-08-151-0/+78
* NEWS update for 3.1.4 release.EVOLUTION_3_1_4Matthew Barnes2011-07-241-0/+43
* News update for 3.1.3 releaseEVOLUTION_3_1_3Chenthill Palanisamy2011-07-041-0/+59
* NEWS update for 3.1.2 release.Matthew Barnes2011-06-141-0/+106
* NEWS update for 3.1.1 release.EVOLUTION_3_1_1Matthew Barnes2011-05-091-0/+252
* NEWS update for 2.91.92 release.EVOLUTION_2_91_92Matthew Barnes2011-03-211-0/+61
* NEWS update for 2.91.91 release.Matthew Barnes2011-03-061-0/+66
* News update for 2.91.90 releaseEVOLUTION_2_91_90Chenthill Palanisamy2011-02-211-0/+56
* News update for 2.91.6 releaseEVOLUTION_2_91_6Chenthill Palanisamy2011-01-311-0/+61
* NEWS update for 2.91.5 release.EVOLUTION_2_91_5Matthew Barnes2011-01-091-0/+41
* News update for 2.91.4 releaseChenthill Palanisamy2010-12-201-0/+58
* News update for 2.91.3 releaseEVOLUTION_2_91_3Chenthill Palanisamy2010-11-291-0/+41
* NEWS update for 2.91.2 release.Matthew Barnes2010-11-081-0/+109
* News update for 2.91.1 releaseEVOLUTION_2_91_1Chenthill Palanisamy2010-10-181-0/+58
* NEWS update for 2.91.0 release.Matthew Barnes2010-10-051-0/+89
* News update for 2.31.92 releaseEVOLUTION_2_31_92Chenthill Palanisamy2010-09-131-0/+69
* NEWS update for 2.31.91 release.EVOLUTION_2_31_91Matthew Barnes2010-08-301-0/+55
* News update for 2.31.90 releaseEVOLUTION_2_31_90Chenthill Palanisamy2010-08-161-0/+38
* NEWS update for 2.31.6 release.EVOLUTION_2_31_6Matthew Barnes2010-08-031-336/+443
* NEWS update for Evolution 2.31.5.Matthew Barnes2010-07-131-0/+39
* News update for 2.31.4 releaseEVOLUTION_2_31_4Chenthill Palanisamy2010-06-301-0/+63
* Version typo in the NEWS fileMilan Crha2010-06-071-1/+1
* News update for 2.31.3 releaseEVOLUTION_2_31_3Chenthill Palanisamy2010-06-071-0/+56
* NEWS update for 2.31.2 release.EVOLUTION_2_31_2_CORRECTEDMatthew Barnes2010-05-241-0/+96
* news update for 2.31.1 releaseEVOLUTION_2_31_1Chenthill Palanisamy2010-05-031-0/+172
* NEWS update for 2.29.92 release.EVOLUTION_2_29_92Matthew Barnes2010-03-081-0/+43
* news update for 2.29.91 releaseChenthill Palanisamy2010-02-221-0/+39
* NEWS update for 2.29.90 release.EVOLUTION_2_29_90Matthew Barnes2010-02-081-0/+57
* Update NEWS for 2.29.6 release.EVOLUTION_2_29_6Bharath Acharya2010-01-251-0/+84
* Update NEWS for 2.29.5 release.EVOLUTION_2_29_5Matthew Barnes2010-01-121-0/+72
* News update for 2.29.4 releaseChenthill Palanisamy2009-12-221-0/+64
* News update for 2.29.3 releaseEVOLUTION_2_29_3_1EVOLUTION_2_29_3Bharath Acharya2009-11-301-0/+111
* Update NEWS for 2.29.2 release.Matthew Barnes2009-11-161-0/+142
* News update for 2.29.1 release.EVOLUTION_2_29_1Akhil Laddha2009-10-261-0/+338
* Update NEWS for 2.27.91 release.Matthew Barnes2009-08-301-0/+31
* Updated News for 2.27.90 release.EVOLUTION_2_27_90Chenthill Palanisamy2009-08-101-0/+60
* Update NEWS + coding style cleanups.Matthew Barnes2009-07-271-0/+45
* Update the NEWS file for 2.27.4.1 release.Chenthill Palanisamy2009-07-151-1/+9
* NEWS update for 2.27.4 release.Chenthill Palanisamy2009-07-151-0/+82
* News update for 2.27.3 releaseChenthill Palanisamy2009-06-161-0/+48
* ** Evolution 2.27.2 ReleasedMatthew Barnes2009-05-251-0/+54
* NEWS for 2.27.1Srinivasa Ragavan2009-05-051-0/+97
* Evolution 2.26.0 release and version bumpEVOLUTION_2_26_0Srinivasa Ragavan2009-03-171-0/+10
* Evolution 2.25.92 releaseEVOLUTION_2_25_92Matthew Barnes2009-03-031-0/+77
* Evolution 2.25.90 releaseEVOLUTION_2_25_90Srinivasa Ragavan2009-02-031-0/+49
* Evolution 2.25.5 releaseEVOLUTION_2_25_5Srinivasa Ragavan2009-01-211-0/+60
* Evolution 2.25.4 releaseEVOLUTION_2_25_4Srinivasa Ragavan2009-01-061-0/+26
* Evolution 2.25.3.1 releaseEVOLUTION_2_25_3Srinivasa Ragavan2008-12-161-0/+35
* Evolution 2.25.2 release changes.EVOLUTION_2_25_2Srinivasa Ragavan2008-12-021-0/+49
* Evolution 2.25.1 release and version bumpEVOLUTION_2_25_1Srinivasa Ragavan2008-11-041-0/+84
* Evolution 2.24.0 release.Srinivasa Ragavan2008-09-221-1/+63
* Evolution 2.23.92 release.Srinivasa Ragavan2008-09-101-0/+17
* Evolution 2.23.91 release and version bumpEVOLUTION_2_23_91Srinivasa Ragavan2008-09-031-0/+34
* Evolution 2.23.90 release and Version bump.EVOLUTION_2_23_90Srinivasa Ragavan2008-08-191-0/+49
* Evolution 2.23.6 release and version bump.EVOLUTION_2_23_6Srinivasa Ragavan2008-08-061-0/+63
* 2.23.5 release updates & version bump to 2.23.6EVOLUTION_2_23_5Johnny Jacob2008-07-231-0/+75
* Evolution 2.23.4 release udpates and version bump.EVOLUTION_2_23_4Johnny Jacob2008-06-171-0/+28
* Evolution 2.23.1.1 release and version bump.EVOLUTION_2_23_3Srinivasa Ragavan2008-06-031-0/+49
* Evolution 2.23.2 release and version bump.EVOLUTION_2_23_2Srinivasa Ragavan2008-05-131-0/+44
* Evolution 2.23.1 release and version bump.Srinivasa Ragavan2008-04-231-0/+102
* Evolution 2.22.0 release.EVOLUTION_2_22_0Srinivasa Ragavan2008-03-101-0/+35
* Updates for 2.21.92Srinivasa Ragavan2008-03-031-0/+61
* Evolution 2.21.91 release.EVOLUTION_2_21_91Srinivasa Ragavan2008-02-131-0/+47
* Evolution 2.21.90 release.EVOLUTION_2_21_90Srinivasa Ragavan2008-01-291-0/+55
* Evolution 2.21.5 releaseSrinivasa Ragavan2008-01-151-0/+69
* ** Evolution 2.21.4 releaseEVOLUTION_2_21_4Srinivasa Ragavan2007-12-181-0/+66
* +2007-12-03 Srinivasa Ragavan <sragavan@novell.com>EVOLUTION_2_21_3Srinivasa Ragavan2007-12-041-0/+45
* Evolution 2.21.2 release.EVOLUTION_2_21_2Srinivasa Ragavan2007-11-181-0/+38
* Evolution 2.21.1 release.EVOLUTION_2_21_1Srinivasa Ragavan2007-10-311-0/+81
* Evolution 2.12.0 releaseSrinivasa Ragavan2007-09-261-0/+48
* Evolution 2.11.92 releaseEVOLUTION_2_11_92Srinivasa Ragavan2007-09-041-0/+34
* Evolution 2.11.91 releaseEVOLUTION_2_11_91Srinivasa Ragavan2007-08-281-0/+86
* Evolution 2.11.90 releaseEVOLUTION_2_11_90Srinivasa Ragavan2007-08-141-0/+61
* 2.11.6.1 release updatesVeerapuram Varadhan2007-08-011-0/+7
* Evolution 2.11.6 release changesVeerapuram Varadhan2007-07-311-0/+75
* Evolution 2.11.5 releaseEVOLUTION_2_11_5Srinivasa Ragavan2007-07-101-0/+66
* Evolution 2.11.4 releaseEVOLUTION_2_11_4Srinivasa Ragavan2007-06-191-0/+53
* Evolution 2.11.3 releaseEVOLUTION_2_11_3Srinivasa Ragavan2007-06-041-0/+78
* Evolution 2.11.2 releaseSrinivasa Ragavan2007-05-141-0/+45
* ** Evolution 2.11.1 releaseSrinivasa Ragavan2007-04-231-0/+67
* Evolution 2.10 release updatesHarish Krishnaswamy2007-03-131-0/+39
* Evolution 2.9.92 release updatesSrinivasa Ragavan2007-02-261-0/+33
* Evolution 2.9.91 ReleaseSrinivasa Ragavan2007-02-121-0/+28
* NEWS, configure.in: Evolution 2.9.6 release updatesVeerapuram Varadhan2007-01-231-0/+9
* NEWS - 2.9.5 updatesVeerapuram Varadhan2007-01-091-0/+19
* Evolution 2.9.4 release updates.Veerapuram Varadhan2006-12-191-0/+15
* Evolution 2.9.3 release updates.Harish Krishnaswamy2006-12-051-0/+18
* Evolution 2.9.1 release updates.Harish Krishnaswamy2006-11-071-0/+13
* Evolution 2.9.1 release updates.Harish Krishnaswamy2006-10-171-0/+45
* Evolution 2.8.1 release updates.Harish Krishnaswamy2006-10-021-0/+33
* Evolution 2.8.0 release updates.Harish Krishnaswamy2006-09-041-0/+4
* Evolution 2.7.92 release.Srinivasa Ragavan2006-08-211-0/+22
* Evolution 2.7.91 release updates.Srinivasa Ragavan2006-08-081-0/+19
* Evolution 2.7.90 release updates.Harish Krishnaswamy2006-07-241-0/+29
* Evolution 2.7.4 release updates.Harish Krishnaswamy2006-07-101-0/+22
* Release updates. Bump version. Evolution 2.7.3 release.Harish Krishnaswamy2006-06-121-0/+19
* Release updates. Bump version. ***** Release 2.7.1 *****Harish Krishnaswamy2006-04-241-0/+10
* Release updates, version bump. ***** Release 2.5.92 *****Srinivasa Ragavan2006-02-271-0/+31
* Release updates, version bump. ***** Release 2.5.91 *****Harish Krishnaswamy2006-02-141-0/+29
* Release updates, version bump. ***** Release 2.5.90 *****Harish Krishnaswamy2006-01-301-0/+29
* Release updates, version bump. ***** Release 2.5.5 *****Harish Krishnaswamy2006-01-171-0/+95
* Committing NEWS FileHarish2006-01-031-0/+1
* Committing NEWS fileHarish2006-01-031-0/+106
* Release updates, version bump. ***** Release 2.5.3 *****Harish Krishnaswamy2005-12-131-0/+60
* Release updates, version bump. ***** Release 2.5.2 *****Harish Krishnaswamy2005-11-151-0/+53
* Release updatesHarish Krishnaswamy2005-11-151-0/+5
* Update NEWS file for releaseHarish Krishnaswamy2005-09-051-0/+14
* Release 2.3.8Harish Krishnaswamy2005-08-231-0/+98
* Release 2.3.7Harish Krishnaswamy2005-08-091-0/+59
* Fix make distcheck issues. Bump version number ***** Release 2.3.6 *****Harish Krishnaswamy2005-07-271-0/+92
* NEWS update of 2.3.5 releaseHarish Krishnaswamy2005-07-121-0/+2
* bump version ***** Release 2.3.5 *****Harish Krishnaswamy2005-07-121-0/+53
* bump versionHarish Krishnaswamy2005-07-021-0/+54
* +2005-06-16 Harish Krishnaswamy <kharish@novell.com>Harish Krishnaswamy2005-06-161-0/+6
* version bump, update news for 2.3.3 releaseHarish Krishnaswamy2005-06-081-0/+52
* Bump versionHarish Krishnaswamy2005-05-181-0/+56
* updates for 2.3.1 releaseHarish Krishnaswamy2005-04-261-0/+88
* Merge from 2.10 branchJP Rosevear2005-03-151-0/+28
* bump version, requiresJP Rosevear2005-03-011-0/+123
* NEWSRodrigo Moya2005-02-081-1/+113
* bump version and requiresJP Rosevear2005-01-251-0/+105
* bump versionJP Rosevear2005-01-111-0/+75
* bump version, requiresJP Rosevear2004-12-211-0/+73
* bump version, requiresJP Rosevear2004-11-301-0/+77
* dist plugin.mkJP Rosevear2004-11-021-15/+321
* bump version, requirementsJP Rosevear2004-08-281-1/+7
* Add a fix to mailer.Hans Petter2004-08-281-0/+4
* Commit my changes to addressbook since 1.5.93.Hans Petter2004-08-281-0/+10
* updatedJeffrey Stedfast2004-08-281-0/+8
* Updated NEWSRodrigo Moya2004-08-281-0/+25
* *** empty log message ***Rodrigo Moya2003-07-011-18/+0
* Updated NEWSRodrigo Moya2003-06-301-0/+6
* Updated NEWSRodrigo Moya2003-06-301-0/+12
* oops, move the addressbook NEWS to the right versionChris Toshok2003-06-261-7/+7
* add addressbook NEWSChris Toshok2003-06-261-0/+7
* Update.Ettore Perazzoli2003-06-261-22/+49
* updatedJeffrey Stedfast2003-06-261-0/+5
* More NEWSRodrigo Moya2003-06-261-0/+3
* updatedJeffrey Stedfast2003-06-261-0/+2
* Updated NEWSRodrigo Moya2003-06-241-0/+5
* Add #43585.Hans Petter2003-06-241-1/+3
* Some more mail updatesMichael Zucci2003-06-201-1/+9
* updatedJeffrey Stedfast2003-06-201-0/+1
* *** empty log message ***Rodrigo Moya2003-06-181-0/+4
* updatedJeffrey Stedfast2003-06-181-0/+1
* updatedJeffrey Stedfast2003-06-181-0/+1
* Updated for current mail stuff.Not Zed2003-06-171-0/+40
* 1.4.0!Ettore Perazzoli2003-06-031-9/+40
* updated mailer fixesJeffrey Stedfast2003-06-031-0/+12
* *** empty log message ***Rodrigo Moya2003-06-021-0/+1
* Updated NEWSRodrigo Moya2003-05-291-0/+9
* 1.3.92.Ettore Perazzoli2003-05-231-1/+1
* updated NEWSRadek Doulik2003-05-231-0/+1
* updateJP Rosevear2003-05-231-1/+3
* Ooops, forgot to add the updated translations.Ettore Perazzoli2003-05-221-0/+18
* 1.3.91.Ettore Perazzoli2003-05-221-1/+1
* 41234Rodrigo Moya2003-05-221-0/+1
* update for preference changes.Larry Ewing2003-05-221-0/+4
* updatedJeffrey Stedfast2003-05-211-0/+3
* Update.Ettore Perazzoli2003-05-211-75/+115
* updatedJeffrey Stedfast2003-05-211-0/+3
* #42056 - Accelerators in meeting selector not working/looks bad (Hans Petter)Hans Petter2003-05-201-0/+1
* more newsRodrigo Moya2003-05-201-0/+1
* more ab stuffChris Toshok2003-05-201-0/+3
* more addressbook fooChris Toshok2003-05-201-0/+11
* add some HIG bugsChris Toshok2003-05-191-0/+5
* add some more ab fixesChris Toshok2003-05-191-1/+2
* Updated with calendar fixesRodrigo Moya2003-05-191-0/+4
* Updated for mail/ camel/ filter/ and e-util/Not Zed2003-05-191-0/+46
* Updated NEWSRodrigo Moya2003-05-181-0/+1
* add more ab fixesChris Toshok2003-05-161-0/+3
* Updated NEWSRodrigo Moya2003-05-161-0/+1
* Updated NEWSRodrigo Moya2003-05-151-0/+1
* add more ab fixesChris Toshok2003-05-151-1/+6
* Updated NEWSRodrigo Moya2003-05-141-0/+9
* add some e-text fixesChris Toshok2003-05-141-0/+4
* add #42780Chris Toshok2003-05-141-0/+2
* more ab fooChris Toshok2003-05-141-0/+1
* add some more addressbook news.Chris Toshok2003-05-121-0/+9
* move 41910 to the version where it's really fixedChris Toshok2003-05-071-1/+1
* Added list of updated translations.Ettore Perazzoli2003-05-021-0/+12
* add blurbs for some addressbook fixesChris Toshok2003-04-301-0/+11
* Update.Ettore Perazzoli2003-04-301-33/+75
* add blurb about gilbert's fixChris Toshok2003-04-301-0/+1
* Update calendar news.JP Rosevear2003-04-301-0/+22
* add blurb about 41910Chris Toshok2003-04-301-0/+1
* updatedJeffrey Stedfast2003-04-301-0/+1
* updatedJeffrey Stedfast2003-04-301-0/+2
* Updated for mailer fixesJeffrey Stedfast2003-04-301-0/+37
* add blurbs for 41843 and 41779Chris Toshok2003-04-281-0/+2
* add more newsChris Toshok2003-04-241-1/+8
* add 40694 and 40954Chris Toshok2003-04-201-1/+14
* The return of 1.3.2.Ettore Perazzoli2003-04-121-7/+8
* updated NEWSJeffrey Stedfast2003-04-121-0/+5
* More updates.JP Rosevear2003-04-121-2/+2
* Update for 1.3.2JP Rosevear2003-04-121-0/+10
* Sync for 1.3.2.Ettore Perazzoli2003-04-101-151/+217
* add 40133Chris Toshok2003-04-101-0/+1
* add 40727 fixChris Toshok2003-04-091-0/+1
* add 39763 fixChris Toshok2003-04-081-0/+1
* add blurb of addressbook fix for 7103Chris Toshok2003-04-081-0/+1
* more addressbook stuff.Chris Toshok2003-04-081-1/+3
* #35926 fixed.Hans Petter2003-04-081-0/+2
* more addressbook stuffChris Toshok2003-04-081-2/+3
* add 40841 blurbChris Toshok2003-04-081-0/+2
* add blurb about sun exporterChris Toshok2003-04-081-0/+2
* Remove a stray word causing ungrammaticality.Hans Petter2003-04-071-1/+1
* Add NEWS items for calendar.Hans Petter2003-04-071-0/+50
* add addressbook stuffChris Toshok2003-04-071-0/+46
* Updated for mail/camel/composer/filter for 1.3.2Not Zed2003-04-071-0/+95
* Up to 1.3.1.99.Ettore Perazzoli2003-03-061-580/+2
* Sync for 1.1.90.Ettore Perazzoli2002-10-291-4/+0
* corrected for mailerJeffrey Stedfast2002-10-291-3/+4
* note the selectnames changeDan Winship2002-10-291-0/+6
* Update with Addressbook and Mail news.Ettore Perazzoli2002-10-291-5/+42
* Update.Ettore Perazzoli2002-10-281-21/+36
* Updeate with lame entry, too sleepy to do it well right nowLarry Ewing2002-10-281-0/+6
* Update.JP Rosevear2002-10-261-0/+12
* Update for calendar.JP Rosevear2002-10-261-0/+29
* Sync for 1.1.2.Ettore Perazzoli2002-10-081-12/+32
* More fixups.Ettore Perazzoli2002-10-081-137/+148
* Add fixer's name to info.JP Rosevear2002-10-081-19/+19
* Remove a conflict tag.Mike Kestner2002-10-081-1/+0
* GAL news.Mike Kestner2002-10-081-0/+8
* Oops, remove redundancy.JP Rosevear2002-10-081-7/+0
* Update.JP Rosevear2002-10-081-0/+43
* Update.Ettore Perazzoli2002-10-081-52/+61
* updated news for mailerJeffrey Stedfast2002-10-081-0/+59
* Update.Ettore Perazzoli2002-10-081-2/+72
* Sync for 1.1.1.Ettore Perazzoli2002-09-101-20/+28
* update with some gtkhtml features.Larry Ewing2002-09-071-0/+14
* more NEWSChris Toshok2002-09-071-0/+2
* more contacts newsChris Toshok2002-09-071-1/+21
* NEWSIain Holmes2002-09-071-0/+16
* Update.JP Rosevear2002-09-061-1/+26
* Updated NEWSRodrigo Moya2002-09-061-1/+17
* updated NEWSMichael Zucci2002-09-061-2/+49
* updatedJeffrey Stedfast2002-09-061-6/+7
* Updated with the new 1.2 features (unfinished).Ettore Perazzoli2002-09-061-2371/+82
* Use 1 instead of zero as the minimum value for the repetitions spin buttonFederico Mena Quintero2002-01-261-0/+2
generated by cgit (git 2.34.1) at 2024-10-05 00:26:44 +0800
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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      JP Rosevear <jpr@novell.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gconf/gconf-client.h>
#include <libecal/e-cal-client.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserverui/e-source-selector.h>
#include <libedataserverui/e-client-utils.h>
#include <gtkhtml/gtkhtml-embedded.h>
#include <mail/em-format-hook.h>
#include <mail/em-config.h>
#include <mail/em-format-html.h>
#include <mail/em-utils.h>
#include <mail/mail-folder-cache.h>
#include <mail/mail-tools.h>
#include <mail/mail-mt.h>
#include <libedataserver/e-account-list.h>
#include <e-util/e-account-utils.h>
#include <e-util/e-alert-dialog.h>
#include <e-util/e-mktemp.h>
#include <calendar/gui/itip-utils.h>
#include <shell/e-shell.h>
#include <shell/e-shell-utils.h>
#include "itip-view.h"
#include <misc/e-attachment.h>

#define CLASSID "itip://"
#define GCONF_KEY_DELETE "/apps/evolution/itip/delete_processed"

#define d(x)

struct _itip_puri {
    EMFormatPURI puri;

    const EMFormatHandler *handle;
    CamelFolder *folder;
    CamelMimeMessage *msg;
    CamelMimePart *part;

    gchar *uid;
    GtkWidget *view;

    ESourceList *source_lists[E_CAL_CLIENT_SOURCE_TYPE_LAST];
    GHashTable *clients[E_CAL_CLIENT_SOURCE_TYPE_LAST];

    ECalClient *current_client;
    ECalClientSourceType type;

    /* cancelled when freeing the puri */
    GCancellable *cancellable;

    gchar *vcalendar;
    ECalComponent *comp;
    icalcomponent *main_comp;
    icalcomponent *ical_comp;
    icalcomponent *top_level;
    icalcompiter iter;
    icalproperty_method method;
    time_t start_time;
    time_t end_time;

    gint current;
    gint total;

    gchar *calendar_uid;

    EAccountList *accounts;

    gchar *from_address;
    gchar *from_name;
    gchar *to_address;
    gchar *to_name;
    gchar *delegator_address;
    gchar *delegator_name;
    gchar *my_address;
    gint   view_only;

    guint progress_info_id;

    gboolean delete_message;
    /* a reply can only be sent if and only if there is an organizer */
    gboolean has_organizer;
    /*
     * Usually replies are sent unless the user unchecks that option.
     * There are some cases when the default is not to sent a reply
     * (but the user can still chose to do so by checking the option):
     * - the organizer explicitly set RSVP=FALSE for the current user
     * - the event has no ATTENDEEs: that's the case for most non-meeting
     *   events
     *
     * The last case is meant for forwarded non-meeting
     * events. Traditionally Evolution hasn't offered to send a
     * reply, therefore the updated implementation mimics that
     * behavior.
     *
     * Unfortunately some software apparently strips all ATTENDEEs
     * when forwarding a meeting; in that case sending a reply is
     * also unchecked by default. So the check for ATTENDEEs is a
     * tradeoff between sending unwanted replies in cases where
     * that wasn't done in the past and not sending a possibly
     * wanted reply where that wasn't possible in the past
     * (because replies to forwarded events were not
     * supported). Overall that should be an improvement, and the
     * user can always override the default.
     */
    gboolean no_reply_wanted;

};

void format_itip (EPlugin *ep, EMFormatHookTarget *target);
GtkWidget *itip_formatter_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data);
static void itip_attachment_frame (EMFormat *emf, CamelStream *stream, EMFormatPURI *puri, GCancellable *cancellable);
gint e_plugin_lib_enable (EPlugin *ep, gint enable);

typedef struct {
    struct _itip_puri *puri;
    GCancellable *cancellable;
    gboolean keep_alarm_check;
    GHashTable *conflicts;

    gchar *uid;
    gchar *rid;

    gchar *sexp;

    gint count;
} FormatItipFindData;

static gboolean check_is_instance (icalcomponent *icalcomp);

gint
e_plugin_lib_enable (EPlugin *ep, gint enable)
{
    return 0;
}

static icalproperty *
find_attendee (icalcomponent *ical_comp, const gchar *address)
{
    icalproperty *prop;

    if (address == NULL)
        return NULL;

    for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
         prop != NULL;
         prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY)) {
        gchar *attendee;
        gchar *text;

        attendee = icalproperty_get_value_as_string_r (prop);

         if (!attendee)
            continue;

        text = g_strdup (itip_strip_mailto (attendee));
        text = g_strstrip (text);
        if (text && !g_ascii_strcasecmp (address, text)) {
            g_free (text);
            g_free (attendee);
            break;
        }
        g_free (text);
        g_free (attendee);
    }

    return prop;
}

static icalproperty *
find_attendee_if_sentby (icalcomponent *ical_comp, const gchar *address)
{
    icalproperty *prop;

    if (address == NULL)
        return NULL;

    for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
         prop != NULL;
         prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY)) {
        icalparameter *param;
        const gchar *attendee_sentby;
        gchar *text;

        param = icalproperty_get_first_parameter (prop, ICAL_SENTBY_PARAMETER);
        if (!param)
            continue;

        attendee_sentby = icalparameter_get_sentby (param);

        if (!attendee_sentby)
            continue;

        text = g_strdup (itip_strip_mailto (attendee_sentby));
        text = g_strstrip (text);
        if (text && !g_ascii_strcasecmp (address, text)) {
            g_free (text);
            break;
        }
        g_free (text);
    }

    return prop;
}

static void
find_to_address (struct _itip_puri *pitip, icalcomponent *ical_comp, icalparameter_partstat *status)
{
    EIterator *it;

    it = e_list_get_iterator ((EList *) pitip->accounts);

    if (!pitip->to_address && pitip->msg && pitip->folder) {
        EAccount *account = em_utils_guess_account (pitip->msg, pitip->folder);

        if (account) {
            pitip->to_address = g_strdup (e_account_get_string (account, E_ACCOUNT_ID_ADDRESS));
            if (pitip->to_address && !*pitip->to_address) {
                g_free (pitip->to_address);
                pitip->to_address = NULL;
            }
        }
    }

    /* Look through the list of attendees to find the user's address */
    if (!pitip->to_address)
        while (e_iterator_is_valid (it)) {
            const EAccount *account = e_iterator_get (it);
            icalproperty *prop = NULL;

            if (!account->enabled) {
                e_iterator_next (it);
                continue;
            }

            prop = find_attendee (ical_comp, account->id->address);

            if (prop) {
                gchar *text;
                icalparameter *param;

                param = icalproperty_get_first_parameter (prop, ICAL_CN_PARAMETER);
                if (param)
                    pitip->to_name = g_strdup (icalparameter_get_cn (param));

                text = icalproperty_get_value_as_string_r (prop);

                pitip->to_address = g_strdup (itip_strip_mailto (text));
                g_free (text);
                g_strstrip (pitip->to_address);

                pitip->my_address = g_strdup (account->id->address);

                param = icalproperty_get_first_parameter (prop, ICAL_RSVP_PARAMETER);
                if (param &&
                    icalparameter_get_rsvp (param) == ICAL_RSVP_FALSE) {
                    pitip->no_reply_wanted = TRUE;
                }

                if (status) {
                    param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
                    *status = param ? icalparameter_get_partstat (param) : ICAL_PARTSTAT_NEEDSACTION;
                }

                break;
            }
            e_iterator_next (it);
        }

    e_iterator_reset (it);

    /* If the user's address was not found in the attendee's list, then the user
     * might be responding on behalf of his/her delegator. In this case, we
     * would want to go through the SENT-BY fields of the attendees to find
     * the user's address.
     *
     * Note: This functionality could have been (easily) implemented in the
     * previous loop, but it would hurt the performance for all providers in
     * general. Hence, we choose to iterate through the accounts list again.
     */
    if (!pitip->to_address)
        while (e_iterator_is_valid (it)) {
            const EAccount *account = e_iterator_get (it);
            icalproperty *prop = NULL;

            if (!account->enabled) {
                e_iterator_next (it);
                continue;
            }

            prop = find_attendee_if_sentby (ical_comp, account->id->address);

            if (prop) {
                gchar *text;
                icalparameter *param;

                param = icalproperty_get_first_parameter (prop, ICAL_CN_PARAMETER);
                if (param)
                    pitip->to_name = g_strdup (icalparameter_get_cn (param));

                text = icalproperty_get_value_as_string_r (prop);

                pitip->to_address = g_strdup (itip_strip_mailto (text));
                g_free (text);
                g_strstrip (pitip->to_address);

                pitip->my_address = g_strdup (account->id->address);

                param = icalproperty_get_first_parameter (prop, ICAL_RSVP_PARAMETER);
                if (param &&
                    ICAL_RSVP_FALSE == icalparameter_get_rsvp (param)) {
                    pitip->no_reply_wanted = TRUE;
                }

                if (status) {
                    param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
                    *status = param ? icalparameter_get_partstat (param) : ICAL_PARTSTAT_NEEDSACTION;
                }

                break;
            }
            e_iterator_next (it);
        }

    g_object_unref (it);
}

static void
find_from_address (struct _itip_puri *pitip, icalcomponent *ical_comp)
{
    EIterator *it;
    icalproperty *prop;
    gchar *organizer;
    icalparameter *param;
    const gchar *organizer_sentby;
    gchar *organizer_clean = NULL;
    gchar *organizer_sentby_clean = NULL;

    prop = icalcomponent_get_first_property (ical_comp, ICAL_ORGANIZER_PROPERTY);

    if (!prop)
        return;

    organizer = icalproperty_get_value_as_string_r (prop);
    if (organizer) {
        organizer_clean = g_strdup (itip_strip_mailto (organizer));
        organizer_clean = g_strstrip (organizer_clean);
        g_free (organizer);
    }

    param = icalproperty_get_first_parameter (prop, ICAL_SENTBY_PARAMETER);
    if (param) {
        organizer_sentby = icalparameter_get_sentby (param);
        if (organizer_sentby) {
            organizer_sentby_clean = g_strdup (itip_strip_mailto (organizer_sentby));
            organizer_sentby_clean = g_strstrip (organizer_sentby_clean);
        }
    }

    if (!(organizer_sentby_clean || organizer_clean))
        return;

    pitip->from_address = g_strdup (organizer_clean);

    param = icalproperty_get_first_parameter (prop, ICAL_CN_PARAMETER);
    if (param)
        pitip->from_name = g_strdup (icalparameter_get_cn (param));

    it = e_list_get_iterator ((EList *) pitip->accounts);
    while (e_iterator_is_valid (it)) {
        const EAccount *account = e_iterator_get (it);

        if (!account->enabled) {
            e_iterator_next (it);
            continue;
        }

        if ((organizer_clean && !g_ascii_strcasecmp (organizer_clean, account->id->address))
            || (organizer_sentby_clean && !g_ascii_strcasecmp (organizer_sentby_clean, account->id->address))) {
            pitip->my_address = g_strdup (account->id->address);

            break;
        }
        e_iterator_next (it);
    }
    g_object_unref (it);
    g_free (organizer_sentby_clean);
    g_free (organizer_clean);
}

static ECalComponent *
get_real_item (struct _itip_puri *pitip)
{
    ECalComponent *comp;
    icalcomponent *icalcomp;
    gboolean found = FALSE;
    const gchar *uid;

    e_cal_component_get_uid (pitip->comp, &uid);

    found = e_cal_client_get_object_sync (pitip->current_client, uid, NULL, &icalcomp, NULL, NULL);
    if (!found)
        return NULL;

    comp = e_cal_component_new ();
    if (!e_cal_component_set_icalcomponent (comp, icalcomp)) {
        g_object_unref (comp);
        icalcomponent_free (icalcomp);
        return NULL;
    }

    return comp;
}

static void
adjust_item (struct _itip_puri *pitip, ECalComponent *comp)
{
    ECalComponent *real_comp;

    real_comp = get_real_item (pitip);
    if (real_comp != NULL) {
        ECalComponentText text;
        const gchar *string;
        GSList *l;

        e_cal_component_get_summary (real_comp, &text);
        e_cal_component_set_summary (comp, &text);
        e_cal_component_get_location (real_comp, &string);
        e_cal_component_set_location (comp, string);
        e_cal_component_get_description_list (real_comp, &l);
        e_cal_component_set_description_list (comp, l);
        e_cal_component_free_text_list (l);

        g_object_unref (real_comp);
    } else {
        ECalComponentText text = {_("Unknown"), NULL};

        e_cal_component_set_summary (comp, &text);
    }
}

static void
set_buttons_sensitive (struct _itip_puri *pitip)
{
    gboolean read_only = TRUE;

    if (pitip->current_client)
        read_only = e_client_is_readonly (E_CLIENT (pitip->current_client));

    itip_view_set_buttons_sensitive (ITIP_VIEW (pitip->view), pitip->current_client != NULL && !read_only);
}

static void
add_failed_to_load_msg (ItipView *view, ESource *source, const GError *error)
{
    gchar *msg;

    g_return_if_fail (view != NULL);
    g_return_if_fail (source != NULL);
    g_return_if_fail (error != NULL);

    /* Translators: The first '%s' is replaced with a calendar name,
       the second '%s' with an error message */
    msg = g_strdup_printf (_("Failed to load the calendar '%s' (%s)"), e_source_peek_name (source), error->message);

    itip_view_add_lower_info_item (view, ITIP_VIEW_INFO_ITEM_TYPE_WARNING, msg);

    g_free (msg);
}

static void
cal_opened_cb (GObject *source_object, GAsyncResult *result, gpointer user_data)
{
    struct _itip_puri *pitip = user_data;
    ESource *source;
    ECalClientSourceType source_type;
    EClient *client = NULL;
    ECalClient *cal_client;
    GError *error = NULL;

    source = E_SOURCE (source_object);

    if (!e_client_utils_open_new_finish (source, result, &client, &error)) {
        client = NULL;
        if (g_error_matches (error, E_CLIENT_ERROR, E_CLIENT_ERROR_CANCELLED) ||
            g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
            g_error_free (error);
            return;
        }
    }

    if (error) {
        d(printf ("Failed opening itip formatter calendar '%s' during non-search opening\n", e_source_peek_name (source)));

        add_failed_to_load_msg (ITIP_VIEW (pitip->view), source, error);

        g_error_free (error);
        return;
    }

    cal_client = E_CAL_CLIENT (client);
    g_return_if_fail (cal_client != NULL);

    source_type = e_cal_client_get_source_type (cal_client);
    g_hash_table_insert (pitip->clients[source_type], g_strdup (e_source_peek_uid (source)), cal_client);

    if (e_cal_client_check_recurrences_no_master (cal_client)) {
        icalcomponent *icalcomp = e_cal_component_get_icalcomponent (pitip->comp);

        if (check_is_instance (icalcomp))
            itip_view_set_show_recur_check (ITIP_VIEW (pitip->view), TRUE);
        else
            itip_view_set_show_recur_check (ITIP_VIEW (pitip->view), FALSE);
    }

    if (pitip->type == E_CAL_CLIENT_SOURCE_TYPE_MEMOS) {
        if (e_client_check_capability (E_CLIENT (client), CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING))
            itip_view_set_needs_decline (ITIP_VIEW (pitip->view), TRUE);
        else
            itip_view_set_needs_decline (ITIP_VIEW (pitip->view), FALSE);
        itip_view_set_mode (ITIP_VIEW (pitip->view), ITIP_VIEW_MODE_PUBLISH);
    }

    pitip->current_client = cal_client;

    set_buttons_sensitive (pitip);
}

static void
start_calendar_server (struct _itip_puri *pitip, ESource *source, ECalClientSourceType type, GAsyncReadyCallback func, gpointer data)
{
    ECalClient *client;

    g_return_if_fail (source != NULL);

    client = g_hash_table_lookup (pitip->clients[type], e_source_peek_uid (source));
    if (client) {
        pitip->current_client = client;

        itip_view_remove_lower_info_item (ITIP_VIEW (pitip->view), pitip->progress_info_id);
        pitip->progress_info_id = 0;

        set_buttons_sensitive (pitip);

        return;
    }

    e_client_utils_open_new (source,
        type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS ? E_CLIENT_SOURCE_TYPE_EVENTS :
        type == E_CAL_CLIENT_SOURCE_TYPE_MEMOS ? E_CLIENT_SOURCE_TYPE_MEMOS :
        type == E_CAL_CLIENT_SOURCE_TYPE_TASKS ? E_CLIENT_SOURCE_TYPE_TASKS : E_CLIENT_SOURCE_TYPE_LAST,
        TRUE, pitip->cancellable,
        e_client_utils_authenticate_handler, NULL,
        func, data);
}

static void
start_calendar_server_by_uid (struct _itip_puri *pitip, const gchar *uid, ECalClientSourceType type)
{
    gint i;

    itip_view_set_buttons_sensitive (ITIP_VIEW (pitip->view), FALSE);

    for (i = 0; i < E_CAL_CLIENT_SOURCE_TYPE_LAST; i++) {
        ESource *source;

        source = e_source_list_peek_source_by_uid (pitip->source_lists[i], uid);
        if (source) {
            start_calendar_server (pitip, source, type, cal_opened_cb, pitip);
            break;
        }
    }
}

static void
source_selected_cb (ItipView *view, ESource *source, gpointer data)
{
    struct _itip_puri *pitip = data;

    itip_view_set_buttons_sensitive (ITIP_VIEW (pitip->view), FALSE);

    g_return_if_fail (source != NULL);

    start_calendar_server (pitip, source, pitip->type, cal_opened_cb, pitip);
}

static void
find_cal_update_ui (FormatItipFindData *fd, ECalClient *cal_client)
{
    struct _itip_puri *pitip;
    ESource *source;

    g_return_if_fail (fd != NULL);

    pitip = fd->puri;

    /* UI part gone */
    if (g_cancellable_is_cancelled (fd->cancellable))
        return;

    source = cal_client ? e_client_get_source (E_CLIENT (cal_client)) : NULL;

    if (cal_client && g_hash_table_lookup (fd->conflicts, cal_client)) {
        itip_view_add_upper_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_WARNING,
                              _("An appointment in the calendar '%s' conflicts with this meeting"), e_source_peek_name (source));
    }

    /* search for a master object if the detached object doesn't exist in the calendar */
    if (pitip->current_client && pitip->current_client == cal_client) {
        itip_view_set_show_keep_alarm_check (ITIP_VIEW (pitip->view), fd->keep_alarm_check);

        pitip->current_client = cal_client;

        /* Provide extra info, since its not in the component */
        /* FIXME Check sequence number of meeting? */
        /* FIXME Do we need to adjust elsewhere for the delegated calendar item? */
        /* FIXME Need to update the fields in the view now */
        if (pitip->method == ICAL_METHOD_REPLY || pitip->method == ICAL_METHOD_REFRESH)
            adjust_item (pitip, pitip->comp);

        /* We clear everything because we don't really care
         * about any other info/warnings now we found an
         * existing versions */
        itip_view_clear_lower_info_items (ITIP_VIEW (pitip->view));
        pitip->progress_info_id = 0;

        /* FIXME Check read only state of calendar? */
        itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                              _("Found the appointment in the calendar '%s'"), e_source_peek_name (source));

        set_buttons_sensitive (pitip);
    } else if (!pitip->current_client)
        itip_view_set_show_keep_alarm_check (ITIP_VIEW (pitip->view), FALSE);

    if (pitip->current_client && pitip->current_client == cal_client) {
        if (e_cal_client_check_recurrences_no_master (pitip->current_client)) {
            icalcomponent *icalcomp = e_cal_component_get_icalcomponent (pitip->comp);

            if (check_is_instance (icalcomp))
                itip_view_set_show_recur_check (ITIP_VIEW (pitip->view), TRUE);
            else
                itip_view_set_show_recur_check (ITIP_VIEW (pitip->view), FALSE);
        }

        if (pitip->type == E_CAL_CLIENT_SOURCE_TYPE_MEMOS) {
            /* TODO The static capability should be made generic to convey that the calendar contains unaccepted items */
            if (e_client_check_capability (E_CLIENT (pitip->current_client), CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING))
                itip_view_set_needs_decline (ITIP_VIEW (pitip->view), TRUE);
            else
                itip_view_set_needs_decline (ITIP_VIEW (pitip->view), FALSE);

            itip_view_set_mode (ITIP_VIEW (pitip->view), ITIP_VIEW_MODE_PUBLISH);
        }
    }
}

static void
decrease_find_data (FormatItipFindData *fd)
{
    g_return_if_fail (fd != NULL);

    fd->count--;
    d(printf ("Decreasing itip formatter search count to %d\n", fd->count));

    if (fd->count == 0 && !g_cancellable_is_cancelled (fd->cancellable)) {
        gboolean rsvp_enabled = FALSE;
        struct _itip_puri *pitip = fd->puri;

        itip_view_remove_lower_info_item (ITIP_VIEW (pitip->view), pitip->progress_info_id);
        pitip->progress_info_id = 0;

        /*
         * Only allow replies if backend doesn't do that automatically.
                 * Only enable it for forwarded invitiations (PUBLISH) or direct
                 * invitiations (REQUEST), but not replies (REPLY).
         * Replies only make sense for events with an organizer.
         */
        if (pitip->current_client && !e_cal_client_check_save_schedules (pitip->current_client) &&
            (pitip->method == ICAL_METHOD_PUBLISH || pitip->method ==  ICAL_METHOD_REQUEST) &&
            pitip->has_organizer) {
            rsvp_enabled = TRUE;
        }
        itip_view_set_show_rsvp (ITIP_VIEW (pitip->view), rsvp_enabled);

        /* default is chosen in extract_itip_data() based on content of the VEVENT */
        itip_view_set_rsvp (ITIP_VIEW (pitip->view), !pitip->no_reply_wanted);

        if ((pitip->method == ICAL_METHOD_PUBLISH || pitip->method ==  ICAL_METHOD_REQUEST)
            && !pitip->current_client) {
            /* Reuse already declared one or rename? */
            EShell *shell;
            EShellSettings *shell_settings;
            ESource *source = NULL;
            gchar *uid;

            /* FIXME Find a better way to obtain the shell. */
            shell = e_shell_get_default ();
            shell_settings = e_shell_get_shell_settings (shell);

            switch (pitip->type) {
            case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
                uid = e_shell_settings_get_string (
                    shell_settings, "cal-primary-calendar");
                break;
            case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
                uid = e_shell_settings_get_string (
                    shell_settings, "cal-primary-task-list");
                break;
            case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
                uid = e_shell_settings_get_string (
                    shell_settings, "cal-primary-memo-list");
                break;
            default:
                uid = NULL;
                g_assert_not_reached ();
            }

            if (uid) {
                source = e_source_list_peek_source_by_uid (pitip->source_lists[pitip->type], uid);
                g_free (uid);
            }

            /* Try to create a default if there isn't one */
            if (!source)
                source = e_source_list_peek_source_any (pitip->source_lists[pitip->type]);

            itip_view_set_source_list (ITIP_VIEW (pitip->view), pitip->source_lists[pitip->type]);
            g_signal_connect (pitip->view, "source_selected", G_CALLBACK (source_selected_cb), pitip);

            if (source) {
                itip_view_set_source (ITIP_VIEW (pitip->view), source);

                /* FIXME Shouldn't the buttons be sensitized here? */
            } else {
                itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, _("Unable to find any calendars"));
                itip_view_set_buttons_sensitive (ITIP_VIEW (pitip->view), FALSE);
            }
        } else if (!pitip->current_client) {
            switch (pitip->type) {
            case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
                itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_WARNING,
                                      _("Unable to find this meeting in any calendar"));
                break;
            case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
                itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_WARNING,
                                      _("Unable to find this task in any task list"));
                break;
            case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
                itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_WARNING,
                                      _("Unable to find this memo in any memo list"));
                break;
            default:
                g_assert_not_reached ();
                break;
            }
        }
    }

    if (fd->count == 0) {
        g_hash_table_destroy (fd->conflicts);
        g_object_unref (fd->cancellable);
        g_free (fd->uid);
        g_free (fd->rid);
        g_free (fd);
    }
}

static void
get_object_without_rid_ready_cb (GObject *source_object, GAsyncResult *result, gpointer user_data)
{
    ECalClient *cal_client = E_CAL_CLIENT (source_object);
    FormatItipFindData *fd = user_data;
    icalcomponent *icalcomp = NULL;
    GError *error = NULL;

    if (!e_cal_client_get_object_finish (cal_client, result, &icalcomp, &error))
        icalcomp = NULL;

    if (g_error_matches (error, E_CLIENT_ERROR, E_CLIENT_ERROR_CANCELLED) ||
        g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
        g_error_free (error);
        find_cal_update_ui (fd, cal_client);
        decrease_find_data (fd);
        return;
    }

    g_clear_error (&error);

    if (icalcomp) {
        fd->puri->current_client = cal_client;
        fd->keep_alarm_check = (fd->puri->method == ICAL_METHOD_PUBLISH || fd->puri->method ==  ICAL_METHOD_REQUEST) &&
            (icalcomponent_get_first_component (icalcomp, ICAL_VALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XAUDIOALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XDISPLAYALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XPROCEDUREALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XEMAILALARM_COMPONENT));

        icalcomponent_free (icalcomp);
        find_cal_update_ui (fd, cal_client);
        decrease_find_data (fd);
        return;
    }

    find_cal_update_ui (fd, cal_client);
    decrease_find_data (fd);
}

static void
get_object_with_rid_ready_cb (GObject *source_object, GAsyncResult *result, gpointer user_data)
{
    ECalClient *cal_client = E_CAL_CLIENT (source_object);
    FormatItipFindData *fd = user_data;
    icalcomponent *icalcomp = NULL;
    GError *error = NULL;

    if (!e_cal_client_get_object_finish (cal_client, result, &icalcomp, &error))
        icalcomp = NULL;

    if (g_error_matches (error, E_CLIENT_ERROR, E_CLIENT_ERROR_CANCELLED) ||
        g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
        g_error_free (error);
        find_cal_update_ui (fd, cal_client);
        decrease_find_data (fd);
        return;
    }

    g_clear_error (&error);

    if (icalcomp) {
        fd->puri->current_client = cal_client;
        fd->keep_alarm_check = (fd->puri->method == ICAL_METHOD_PUBLISH || fd->puri->method ==  ICAL_METHOD_REQUEST) &&
            (icalcomponent_get_first_component (icalcomp, ICAL_VALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XAUDIOALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XDISPLAYALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XPROCEDUREALARM_COMPONENT) ||
            icalcomponent_get_first_component (icalcomp, ICAL_XEMAILALARM_COMPONENT));

        icalcomponent_free (icalcomp);
        find_cal_update_ui (fd, cal_client);
        decrease_find_data (fd);
        return;
    }

    if (fd->rid && *fd->rid) {
        e_cal_client_get_object (cal_client, fd->uid, NULL, fd->cancellable, get_object_without_rid_ready_cb, fd);
        return;
    }

    find_cal_update_ui (fd, cal_client);
    decrease_find_data (fd);
}

static void
get_object_list_ready_cb (GObject *source_object, GAsyncResult *result, gpointer user_data)
{
    ECalClient *cal_client = E_CAL_CLIENT (source_object);
    FormatItipFindData *fd = user_data;
    GSList *objects = NULL;
    GError *error = NULL;

    if (!e_cal_client_get_object_list_finish (cal_client, result, &objects, &error))
        objects = NULL;

    if (error) {
        if (g_error_matches (error, E_CLIENT_ERROR, E_CLIENT_ERROR_CANCELLED) ||
            g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
            g_error_free (error);
            decrease_find_data (fd);
            return;
        }

        g_error_free (error);
    } else {
        g_hash_table_insert (fd->conflicts, cal_client, GINT_TO_POINTER (g_slist_length (objects)));
        e_cal_client_free_icalcomp_slist (objects);
    }

    e_cal_client_get_object (cal_client, fd->uid, fd->rid, fd->cancellable, get_object_with_rid_ready_cb, fd);
}

static void
find_cal_opened_cb (GObject *source_object, GAsyncResult *result, gpointer user_data)
{
    FormatItipFindData *fd = user_data;
    struct _itip_puri *pitip = fd->puri;
    ESource *source;
    ECalClientSourceType source_type;
    EClient *client = NULL;
    ECalClient *cal_client;
    GError *error = NULL;

    source = E_SOURCE (source_object);

    if (!e_client_utils_open_new_finish (source, result, &client, &error)) {
        if (g_error_matches (error, E_CLIENT_ERROR, E_CLIENT_ERROR_CANCELLED) ||
            g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
            g_error_free (error);
            decrease_find_data (fd);
            return;
        }
    }

    if (error) {
        /* FIXME Do we really want to warn here?  If we fail
         * to find the item, this won't be cleared but the
         * selector might be shown */
        d(printf ("Failed opening itip formatter calendar '%s' during search opening... ", e_source_peek_name (source)));
        add_failed_to_load_msg (ITIP_VIEW (pitip->view), source, error);

        g_error_free (error);
        decrease_find_data (fd);
        return;
    }

    cal_client = E_CAL_CLIENT (client);
    source_type = e_cal_client_get_source_type (cal_client);

    g_hash_table_insert (pitip->clients[source_type], g_strdup (e_source_peek_uid (source)), cal_client);

    /* Check for conflicts */
    /* If the query fails, we'll just ignore it */
    /* FIXME What happens for recurring conflicts? */
    if (pitip->type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS
        && e_source_get_property (E_SOURCE (source), "conflict")
        && !g_ascii_strcasecmp (e_source_get_property (E_SOURCE (source), "conflict"), "true")) {
        e_cal_client_get_object_list (cal_client, fd->sexp, fd->cancellable, get_object_list_ready_cb, fd);
        return;
    }

    if (!pitip->current_client) {
        e_cal_client_get_object (cal_client, fd->uid, fd->rid, fd->cancellable, get_object_with_rid_ready_cb, fd);
        return;
    }

    decrease_find_data (fd);
}

static void
find_server (struct _itip_puri *pitip, ECalComponent *comp)
{
    FormatItipFindData *fd = NULL;
    GSList *groups, *l, *sources_conflict = NULL, *all_sources = NULL;
    const gchar *uid;
    gchar *rid = NULL;
    CamelStore *parent_store;
    CamelURL *url;
    gchar *uri;
    ESource *source = NULL, *current_source = NULL;

    g_return_if_fail (pitip->folder != NULL);

    e_cal_component_get_uid (comp, &uid);
    rid = e_cal_component_get_recurid_as_string (comp);

    parent_store = camel_folder_get_parent_store (pitip->folder);

    url = camel_service_get_camel_url (CAMEL_SERVICE (parent_store));
    uri = camel_url_to_string (url, CAMEL_URL_HIDE_ALL);

    itip_view_set_buttons_sensitive (ITIP_VIEW (pitip->view), FALSE);

    groups = e_source_list_peek_groups (pitip->source_lists[pitip->type]);
    for (l = groups; l; l = l->next) {
        ESourceGroup *group;
        GSList *sources, *m;

        group = l->data;

        sources = e_source_group_peek_sources (group);
        for (m = sources; m; m = m->next) {
            gchar *source_uri = NULL;

            source = m->data;

            if (e_source_get_property (source, "conflict"))
                sources_conflict = g_slist_prepend (sources_conflict, source);

            if (current_source)
                continue;

            source_uri = e_source_get_uri (source);
            if (source_uri && (strcmp (uri, source_uri) == 0)) {
                current_source = source;
                sources_conflict = g_slist_prepend (sources_conflict, source);

                g_free (source_uri);
                continue;
            }

            all_sources = g_slist_prepend (all_sources, source);
            g_free (source_uri);

        }
    }

    if (current_source) {
        l = sources_conflict;

        pitip->progress_info_id = itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_PROGRESS,
                _("Opening the calendar. Please wait..."));
    } else {
        pitip->progress_info_id = itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_PROGRESS,
                _("Searching for an existing version of this appointment"));

        l = all_sources;
    }

    for (; l != NULL; l = l->next) {
        source = l->data;

        if (!fd) {
            gchar *start = NULL, *end = NULL;

            fd = g_new0 (FormatItipFindData, 1);
            fd->puri = pitip;
            fd->cancellable = g_object_ref (pitip->cancellable);
            fd->conflicts = g_hash_table_new (g_direct_hash, g_direct_equal);
            fd->uid = g_strdup (uid);
            fd->rid = rid;
            /* avoid free this at the end */
            rid = NULL;

            if (pitip->start_time && pitip->end_time) {
                start = isodate_from_time_t (pitip->start_time);
                end = isodate_from_time_t (pitip->end_time);

                fd->sexp = g_strdup_printf ("(and (occur-in-time-range? (make-time \"%s\") (make-time \"%s\")) (not (uid? \"%s\")))",
                        start, end, icalcomponent_get_uid (pitip->ical_comp));
            }

            g_free (start);
            g_free (end);
        }
        fd->count++;
        d(printf ("Increasing itip formatter search count to %d\n", fd->count));

        if (current_source == source)
            start_calendar_server (pitip, source, pitip->type, find_cal_opened_cb, fd);
        else
            start_calendar_server (pitip, source, pitip->type, find_cal_opened_cb, fd);

    }

    g_slist_free (all_sources);
    g_slist_free (sources_conflict);
    g_free (uri);
    g_free (rid);
}

static gboolean
change_status (icalcomponent *ical_comp, const gchar *address, icalparameter_partstat status)
{
    icalproperty *prop;

    prop = find_attendee (ical_comp, address);
    if (prop) {
        icalparameter *param;

        icalproperty_remove_parameter (prop, ICAL_PARTSTAT_PARAMETER);
        param = icalparameter_new_partstat (status);
        icalproperty_add_parameter (prop, param);
    } else {
        icalparameter *param;

        if (address != NULL) {
            prop = icalproperty_new_attendee (address);
            icalcomponent_add_property (ical_comp, prop);

            param = icalparameter_new_role (ICAL_ROLE_OPTPARTICIPANT);
            icalproperty_add_parameter (prop, param);

            param = icalparameter_new_partstat (status);
            icalproperty_add_parameter (prop, param);
        } else {
            EAccount *a;

            a = e_get_default_account ();

            prop = icalproperty_new_attendee (a->id->address);
            icalcomponent_add_property (ical_comp, prop);

            param = icalparameter_new_cn (a->id->name);
            icalproperty_add_parameter (prop, param);

            param = icalparameter_new_role (ICAL_ROLE_REQPARTICIPANT);
            icalproperty_add_parameter (prop, param);

            param = icalparameter_new_partstat (status);
            icalproperty_add_parameter (prop, param);
        }
    }

    return TRUE;
}

static void
message_foreach_part (CamelMimePart *part, GSList **part_list)
{
    CamelDataWrapper *containee;
    gint parts, i;
    gint go = TRUE;

    if (!part)
        return;

    *part_list = g_slist_append (*part_list, part);

    containee = camel_medium_get_content (CAMEL_MEDIUM (part));

    if (containee == NULL)
        return;

    /* using the object types is more accurate than using the mime/types */
    if (CAMEL_IS_MULTIPART (containee)) {
        parts = camel_multipart_get_number (CAMEL_MULTIPART (containee));
        for (i = 0; go && i < parts; i++) {
            /* Reuse already declared *parts? */
            CamelMimePart *part = camel_multipart_get_part (CAMEL_MULTIPART (containee), i);

            message_foreach_part (part, part_list);
        }
    } else if (CAMEL_IS_MIME_MESSAGE (containee)) {
        message_foreach_part ((CamelMimePart *) containee, part_list);
    }
}

static void
attachment_load_finished (EAttachment *attachment,
                          GAsyncResult *result,
                          gpointer user_data)
{
    struct {
        GFile *file;
        gboolean done;
    } *status = user_data;

    /* Should be no need to check for error here. */
    e_attachment_load_finish (attachment, result, NULL);

    status->done = TRUE;
}

static void
attachment_save_finished (EAttachment *attachment,
                          GAsyncResult *result,
                          gpointer user_data)
{
    GError *error = NULL;

    struct {
        GFile *file;
        gboolean done;
    } *status = user_data;

    status->file = e_attachment_save_finish (attachment, result, &error);
    status->done = TRUE;

    /* XXX Error handling needs improvement. */
    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }
}

static gchar *
get_uri_for_part (CamelMimePart *mime_part)
{
    EAttachment *attachment;
    GFile *temp_directory;
    gchar *template;
    gchar *path;

    struct {
        GFile *file;
        gboolean done;
    } status;

    /* XXX Error handling leaves much to be desired. */

    template = g_strdup_printf (PACKAGE "-%s-XXXXXX", g_get_user_name ());
    path = e_mkdtemp (template);
    g_free (template);

    if (path == NULL)
        return NULL;

    temp_directory = g_file_new_for_path (path);
    g_free (path);

    attachment = e_attachment_new ();
    e_attachment_set_mime_part (attachment, mime_part);

    status.done = FALSE;

    e_attachment_load_async (
        attachment, (GAsyncReadyCallback)
        attachment_load_finished, &status);

    /* Loading should be instantaneous since we already have
     * the full content, but we still have to crank the main
     * loop until the callback gets triggered. */
    while (!status.done)
        gtk_main_iteration ();

    status.file = NULL;
    status.done = FALSE;

    e_attachment_save_async (
        attachment, temp_directory, (GAsyncReadyCallback)
        attachment_save_finished, &status);

    /* We can't return until we have results, so crank
     * the main loop until the callback gets triggered. */
    while (!status.done)
        gtk_main_iteration ();

    if (status.file != NULL) {
        path = g_file_get_path (status.file);
        g_object_unref (status.file);
    } else
        path = NULL;

    g_object_unref (attachment);
    g_object_unref (temp_directory);

    return path;
}

static gboolean
update_item (struct _itip_puri *pitip, ItipViewResponse response)
{
    struct icaltimetype stamp;
    icalproperty *prop;
    icalcomponent *clone;
    ECalComponent *clone_comp;
    ESource *source;
    GError *error = NULL;
    gboolean result = TRUE;
    gchar *str;

    /* Set X-MICROSOFT-CDO-REPLYTIME to record the time at which
     * the user accepted/declined the request. (Outlook ignores
     * SEQUENCE in REPLY reponses and instead requires that each
     * updated response have a later REPLYTIME than the previous
     * one.) This also ends up getting saved in our own copy of
     * the meeting, though there's currently no way to see that
     * information (unless it's being saved to an Exchange folder
     * and you then look at it in Outlook).
     */
    stamp = icaltime_current_time_with_zone (icaltimezone_get_utc_timezone ());
    str = icaltime_as_ical_string_r (stamp);
    prop = icalproperty_new_x (str);
    g_free (str);
    icalproperty_set_x_name (prop, "X-MICROSOFT-CDO-REPLYTIME");
    icalcomponent_add_property (pitip->ical_comp, prop);

    clone = icalcomponent_new_clone (pitip->ical_comp);
    icalcomponent_add_component (pitip->top_level, clone);
    icalcomponent_set_method (pitip->top_level, pitip->method);

    if (!itip_view_get_inherit_alarm_check_state (ITIP_VIEW (pitip->view))) {
        icalcomponent *alarm_comp;
        icalcompiter alarm_iter;

        alarm_iter = icalcomponent_begin_component (clone, ICAL_VALARM_COMPONENT);
        while ((alarm_comp = icalcompiter_deref (&alarm_iter)) != NULL) {
            icalcompiter_next (&alarm_iter);

            icalcomponent_remove_component (clone, alarm_comp);
            icalcomponent_free (alarm_comp);
        }
    }

    clone_comp = e_cal_component_new ();
    if (!e_cal_component_set_icalcomponent (clone_comp, clone)) {
        itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, _("Unable to parse item"));
        result = FALSE;
        goto cleanup;
    }
    source = e_client_get_source (E_CLIENT (pitip->current_client));

    if (itip_view_get_keep_alarm_check_state (ITIP_VIEW (pitip->view))) {
        ECalComponent *real_comp;
        GList *alarms, *l;
        ECalComponentAlarm *alarm;

        real_comp = get_real_item (pitip);
        if (real_comp != NULL) {
            alarms = e_cal_component_get_alarm_uids (real_comp);

            for (l = alarms; l; l = l->next) {
                alarm = e_cal_component_get_alarm (real_comp, (const gchar *) l->data);

                if (alarm) {
                    ECalComponentAlarm *aclone = e_cal_component_alarm_clone (alarm);

                    if (aclone) {
                        e_cal_component_add_alarm (clone_comp, aclone);
                        e_cal_component_alarm_free (aclone);
                    }

                    e_cal_component_alarm_free (alarm);
                }
            }

            cal_obj_uid_list_free (alarms);
            g_object_unref (real_comp);
        }
    }

    if ((response != ITIP_VIEW_RESPONSE_CANCEL)
        && (response != ITIP_VIEW_RESPONSE_DECLINE)) {
        GSList *attachments = NULL, *new_attachments = NULL, *l;
        CamelMimeMessage *msg = pitip->msg;

        e_cal_component_get_attachment_list (clone_comp, &attachments);

        for (l = attachments; l; l = l->next) {
            GSList *parts = NULL, *m;
            gchar *uri, *new_uri;
            CamelMimePart *part;

            uri = l->data;

            if (!g_ascii_strncasecmp (uri, "cid:...", 7)) {
                message_foreach_part ((CamelMimePart *) msg, &parts);

                for (m = parts; m; m = m->next) {
                    part = m->data;

                    /* Skip the actual message and the text/calendar part */
                    /* FIXME Do we need to skip anything else? */
                    if (part == (CamelMimePart *) msg || part == pitip->part)
                        continue;

                    new_uri = get_uri_for_part (part);
                    if (new_uri != NULL)
                        new_attachments = g_slist_append (new_attachments, new_uri);
                }

                g_slist_free (parts);

            } else if (!g_ascii_strncasecmp (uri, "cid:", 4)) {
                part = camel_mime_message_get_part_by_content_id (msg, uri + 4);
                if (part) {
                    new_uri = get_uri_for_part (part);
                    if (new_uri != NULL)
                        new_attachments = g_slist_append (new_attachments, new_uri);
                }

            } else {
                /* Preserve existing non-cid ones */
                new_attachments = g_slist_append (new_attachments, g_strdup (uri));
            }
        }

        g_slist_foreach (attachments, (GFunc) g_free, NULL);
        g_slist_free (attachments);

        e_cal_component_set_attachment_list (clone_comp, new_attachments);
    }

    if (!e_cal_client_receive_objects_sync (pitip->current_client, pitip->top_level, NULL, &error)) {
        itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                              _("Unable to send item to calendar '%s'.  %s"),
                              e_source_peek_name (source), error->message);
        g_error_free (error);
        result = FALSE;
    } else {
        itip_view_set_source_list (ITIP_VIEW (pitip->view), NULL);

        itip_view_clear_lower_info_items (ITIP_VIEW (pitip->view));

        switch (response) {
        case ITIP_VIEW_RESPONSE_ACCEPT:
            itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                                  _("Sent to calendar '%s' as accepted"), e_source_peek_name (source));
            break;
        case ITIP_VIEW_RESPONSE_TENTATIVE:
            itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                                  _("Sent to calendar '%s' as tentative"), e_source_peek_name (source));
            break;
        case ITIP_VIEW_RESPONSE_DECLINE:
            /* FIXME some calendars just might not save it at all, is this accurate? */
            itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                                  _("Sent to calendar '%s' as declined"), e_source_peek_name (source));
            break;
        case ITIP_VIEW_RESPONSE_CANCEL:
            /* FIXME some calendars just might not save it at all, is this accurate? */
            itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO,
                                  _("Sent to calendar '%s' as canceled"), e_source_peek_name (source));
            break;
        default:
            g_assert_not_reached ();
            break;
        }

        /* FIXME Should we hide or desensitize the buttons now? */
    }

 cleanup:
    icalcomponent_remove_component (pitip->top_level, clone);
    g_object_unref (clone_comp);
    return result;
}

/* TODO These operations should be available in e-cal-component.c */
static void
set_attendee (ECalComponent *comp, const gchar *address)
{
    icalproperty *prop;
    icalcomponent *icalcomp;
    gboolean found = FALSE;

    icalcomp = e_cal_component_get_icalcomponent (comp);

    for (prop = icalcomponent_get_first_property (icalcomp, ICAL_ATTENDEE_PROPERTY);
            prop;
            prop = icalcomponent_get_next_property (icalcomp, ICAL_ATTENDEE_PROPERTY)) {
        const gchar *attendee = icalproperty_get_attendee (prop);

        if (!(g_str_equal (itip_strip_mailto (attendee), address)))
            icalcomponent_remove_property (icalcomp, prop);
        else
            found = TRUE;
    }

    if (!found) {
        icalparameter *param;
        gchar *temp = g_strdup_printf ("MAILTO:%s", address);

        prop = icalproperty_new_attendee ((const gchar *) temp);
        icalcomponent_add_property (icalcomp, prop);

        param = icalparameter_new_partstat (ICAL_PARTSTAT_NEEDSACTION);
        icalproperty_add_parameter (prop, param);

        param = icalparameter_new_role (ICAL_ROLE_REQPARTICIPANT);
        icalproperty_add_parameter (prop, param);

        param = icalparameter_new_cutype (ICAL_CUTYPE_INDIVIDUAL);
        icalproperty_add_parameter (prop, param);

        param = icalparameter_new_rsvp (ICAL_RSVP_TRUE);
        icalproperty_add_parameter (prop, param);

        g_free (temp);
    }

}

static gboolean
send_comp_to_attendee (ECalComponentItipMethod method, ECalComponent *comp, const gchar *user, ECalClient *client, const gchar *comment)
{
    gboolean status;
    ECalComponent *send_comp = e_cal_component_clone (comp);

    set_attendee (send_comp, user);

    if (comment) {
        GSList comments;
        ECalComponentText text;

        text.value = comment;
        text.altrep = NULL;

        comments.data = &text;
        comments.next = NULL;

        e_cal_component_set_comment_list (send_comp, &comments);
    }

    /* FIXME send the attachments in the request */
    status = itip_send_comp (method, send_comp, client, NULL, NULL, NULL, TRUE, FALSE);

    g_object_unref (send_comp);

    return status;
}

static void
remove_delegate (struct _itip_puri *pitip, const gchar *delegate, const gchar *delegator, ECalComponent *comp)
{
    gboolean status;
    gchar *comment = g_strdup_printf (_("Organizer has removed the delegate %s "), itip_strip_mailto (delegate));

    /* send cancellation notice to delegate */
    status = send_comp_to_attendee (E_CAL_COMPONENT_METHOD_CANCEL, pitip->comp, delegate, pitip->current_client, comment);
    if (status)
        send_comp_to_attendee (E_CAL_COMPONENT_METHOD_REQUEST, pitip->comp, delegator, pitip->current_client, comment);
    if (status) {
        itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Sent a cancelation notice to the delegate"));
    } else
        itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Could not send the cancelation notice to the delegate"));

    g_free (comment);

}

static void
update_x (ECalComponent *pitip_comp, ECalComponent *comp)
{
    icalcomponent *itip_icalcomp = e_cal_component_get_icalcomponent (pitip_comp);
    icalcomponent *icalcomp = e_cal_component_get_icalcomponent (comp);

    icalproperty *prop = icalcomponent_get_first_property (itip_icalcomp, ICAL_X_PROPERTY);
    while (prop) {
        const gchar *name = icalproperty_get_x_name (prop);
        if (!g_ascii_strcasecmp (name, "X-EVOLUTION-IS-REPLY")) {
            icalproperty *new_prop = icalproperty_new_x (icalproperty_get_x (prop));
            icalproperty_set_x_name (new_prop, "X-EVOLUTION-IS-REPLY");
            icalcomponent_add_property (icalcomp, new_prop);
        }
        prop = icalcomponent_get_next_property (itip_icalcomp, ICAL_X_PROPERTY);
    }

    e_cal_component_set_icalcomponent (comp, icalcomp);
}

static void
update_attendee_status (struct _itip_puri *pitip)
{
    ECalComponent *comp = NULL;
    icalcomponent *icalcomp = NULL, *org_icalcomp;
    const gchar *uid;
    gchar *rid = NULL;
    const gchar *delegate;
    GError *error = NULL;

    /* Obtain our version */
    e_cal_component_get_uid (pitip->comp, &uid);
    org_icalcomp = e_cal_component_get_icalcomponent (pitip->comp);

    rid = e_cal_component_get_recurid_as_string (pitip->comp);

    /* search for a master object if the detached object doesn't exist in the calendar */
    if (e_cal_client_get_object_sync (pitip->current_client, uid, rid, &icalcomp, NULL, NULL) || (rid && e_cal_client_get_object_sync (pitip->current_client, uid, NULL, &icalcomp, NULL, NULL))) {
        GSList *attendees;

        comp = e_cal_component_new ();
        if (!e_cal_component_set_icalcomponent (comp, icalcomp)) {
            icalcomponent_free (icalcomp);

            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, "The meeting is invalid and cannot be updated");
        } else {
            e_cal_component_get_attendee_list (pitip->comp, &attendees);
            if (attendees != NULL) {
                ECalComponentAttendee *a = attendees->data;
                icalproperty *prop, *del_prop;

                prop = find_attendee (icalcomp, itip_strip_mailto (a->value));
                if ((a->status == ICAL_PARTSTAT_DELEGATED) && (del_prop = find_attendee (org_icalcomp, itip_strip_mailto (a->delto))) && !(find_attendee (icalcomp, itip_strip_mailto (a->delto)))) {
                    gint response;
                    delegate = icalproperty_get_attendee (del_prop);
                    response = e_alert_run_dialog_for_args (GTK_WINDOW (gtk_widget_get_toplevel (pitip->view)),
                                        "org.gnome.itip-formatter:add-delegate",
                                        itip_strip_mailto (a->value),
                                        itip_strip_mailto (delegate), NULL);
                    if (response == GTK_RESPONSE_YES) {
                        icalcomponent_add_property (icalcomp, icalproperty_new_clone (del_prop));
                        e_cal_component_rescan (comp);
                    } else if (response == GTK_RESPONSE_NO) {
                        remove_delegate (pitip, delegate, itip_strip_mailto (a->value), comp);
                        goto cleanup;
                    } else {
                        goto cleanup;
                    }
                }

                if (prop == NULL) {
                    gint response;

                    if (a->delfrom && *a->delfrom) {
                        response = e_alert_run_dialog_for_args (GTK_WINDOW (gtk_widget_get_toplevel (pitip->view)),
                                            "org.gnome.itip-formatter:add-delegate",
                                            itip_strip_mailto (a->delfrom),
                                            itip_strip_mailto (a->value), NULL);
                        if (response == GTK_RESPONSE_YES) {
                            /* Already declared in this function */
                            icalproperty *prop = find_attendee (icalcomp, itip_strip_mailto (a->value));
                            icalcomponent_add_property (icalcomp,icalproperty_new_clone (prop));
                            e_cal_component_rescan (comp);
                        } else if (response == GTK_RESPONSE_NO) {
                            remove_delegate (pitip,
                                     itip_strip_mailto (a->value),
                                     itip_strip_mailto (a->delfrom),
                                     comp);
                            goto cleanup;
                        } else {
                            goto cleanup;
                        }
                    }

                    response = e_alert_run_dialog_for_args (GTK_WINDOW (gtk_widget_get_toplevel (pitip->view)),
                                        "org.gnome.itip-formatter:add-unknown-attendee", NULL);

                    if (response == GTK_RESPONSE_YES) {
                        change_status (icalcomp, itip_strip_mailto (a->value), a->status);
                        e_cal_component_rescan (comp);
                    } else {
                        goto cleanup;
                    }
                } else if (a->status == ICAL_PARTSTAT_NONE || a->status == ICAL_PARTSTAT_X) {
                    itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR,
                                       _("Attendee status could not be updated because the status is invalid"));
                    goto cleanup;
                } else {
                    if (a->status == ICAL_PARTSTAT_DELEGATED) {
                        /* *prop already declared in this function */
                        icalproperty *prop, *new_prop;

                        prop = find_attendee (icalcomp, itip_strip_mailto (a->value));
                        icalcomponent_remove_property (icalcomp, prop);

                        new_prop = find_attendee (org_icalcomp, itip_strip_mailto (a->value));
                        icalcomponent_add_property (icalcomp, icalproperty_new_clone (new_prop));
                    } else
                        change_status (icalcomp, itip_strip_mailto (a->value), a->status);

                    e_cal_component_rescan (comp);
                }
            }
        }

        update_x (pitip->comp, comp);

        if (itip_view_get_update (ITIP_VIEW (pitip->view))) {
            e_cal_component_commit_sequence (comp);
            itip_send_comp (E_CAL_COMPONENT_METHOD_REQUEST, comp, pitip->current_client, NULL, NULL, NULL, TRUE, FALSE);
        }

        if (!e_cal_client_modify_object_sync (pitip->current_client, icalcomp, rid ? CALOBJ_MOD_THIS : CALOBJ_MOD_ALL, NULL, &error)) {
            itip_view_add_lower_info_item_printf (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR,
                                  _("Unable to update attendee. %s"), error->message);

            g_error_free (error);
        } else {
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Attendee status updated"));
        }
    } else {
        itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_WARNING,
                           _("Attendee status can not be updated because the item no longer exists"));
    }

 cleanup:
    if (comp != NULL)
        g_object_unref (comp);
    g_free (rid);
}

static void
send_item (struct _itip_puri *pitip)
{
    ECalComponent *comp;

    comp = get_real_item (pitip);

    if (comp != NULL) {
        itip_send_comp (E_CAL_COMPONENT_METHOD_REQUEST, comp, pitip->current_client, NULL, NULL, NULL, TRUE, FALSE);
        g_object_unref (comp);

        switch (pitip->type) {
        case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Meeting information sent"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Task information sent"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("Memo information sent"));
            break;
        default:
            g_assert_not_reached ();
            break;
        }
    } else {
        switch (pitip->type) {
        case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, _("Unable to send meeting information, the meeting does not exist"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, _("Unable to send task information, the task does not exist"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
            itip_view_add_lower_info_item (ITIP_VIEW (pitip->view), ITIP_VIEW_INFO_ITEM_TYPE_ERROR, _("Unable to send memo information, the memo does not exist"));
            break;
        default:
            g_assert_not_reached ();
            break;
        }
    }
}

static icalcomponent *
get_next (icalcompiter *iter)
{
    icalcomponent *ret = NULL;
    icalcomponent_kind kind;

    do {
        icalcompiter_next (iter);
        ret = icalcompiter_deref (iter);
        if (ret == NULL)
            break;
        kind = icalcomponent_isa (ret);
    } while (ret != NULL
         && kind != ICAL_VEVENT_COMPONENT
         && kind != ICAL_VTODO_COMPONENT
         && kind != ICAL_VFREEBUSY_COMPONENT);

    return ret;
}

static void
attachment_load_finish (EAttachment *attachment,
                        GAsyncResult *result,
                        GFile *file)
{
    EShell *shell;
    GtkWindow *parent;

    /* XXX Theoretically, this should never fail. */
    e_attachment_load_finish (attachment, result, NULL);

    shell = e_shell_get_default ();
    parent = e_shell_get_active_window (shell);

    e_attachment_save_async (
        attachment, file, (GAsyncReadyCallback)
        e_attachment_save_handle_error, parent);

    g_object_unref (file);
}

static void
save_vcalendar_cb (GtkWidget *button, struct _itip_puri *pitip)
{
    EAttachment *attachment;
    EShell *shell;
    GFile *file;
    const gchar *suggestion;

    g_return_if_fail (pitip != NULL);
    g_return_if_fail (pitip->vcalendar != NULL);
    g_return_if_fail (pitip->part != NULL);

    suggestion = camel_mime_part_get_filename (pitip->part);
    if (suggestion == NULL) {
        /* Translators: This is a default filename for a calendar. */
        suggestion = _("calendar.ics");
    }

    shell = e_shell_get_default ();
    file = e_shell_run_save_dialog (
        shell, _("Save Calendar"), suggestion, "*.ics:text/calendar", NULL, NULL);
    if (file == NULL)
        return;

    attachment = e_attachment_new ();
    e_attachment_set_mime_part (attachment, pitip->part);

    e_attachment_load_async (
        attachment, (GAsyncReadyCallback)
        attachment_load_finish, file);
}

static GtkWidget *
set_itip_error (struct _itip_puri *pitip, GtkContainer *container, const gchar *primary, const gchar *secondary)
{
    GtkWidget *vbox, *label;
    gchar *message;

    vbox = gtk_vbox_new (FALSE, 12);
    gtk_widget_show (vbox);

    message = g_strdup_printf ("<b>%s</b>", primary);
    label = gtk_label_new (NULL);
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
    gtk_label_set_markup (GTK_LABEL (label), message);
    g_free (message);
    gtk_widget_show (label);
    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

    label = gtk_label_new (secondary);
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
    gtk_widget_show (label);
    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);

    gtk_container_add (container, vbox);

    return vbox;
}

static gboolean
extract_itip_data (struct _itip_puri *pitip, GtkContainer *container, gboolean *have_alarms)
{
    EShell *shell;
    EShellSettings *shell_settings;
    icalproperty *prop;
    icalcomponent_kind kind = ICAL_NO_COMPONENT;
    icalcomponent *tz_comp;
    icalcompiter tz_iter;
    icalcomponent *alarm_comp;
    icalcompiter alarm_iter;
    ECalComponent *comp;
    gboolean use_default_reminder;

    shell = e_shell_get_default ();
    shell_settings = e_shell_get_shell_settings (shell);

    if (!pitip->vcalendar) {
        set_itip_error (pitip, container,
                _("The calendar attached is not valid"),
                _("The message claims to contain a calendar, but the calendar is not a valid iCalendar."));

        return FALSE;
    }

    pitip->top_level = e_cal_util_new_top_level ();

    pitip->main_comp = icalparser_parse_string (pitip->vcalendar);
    if (pitip->main_comp == NULL || !is_icalcomp_valid (pitip->main_comp)) {
        set_itip_error (pitip, container,
                _("The calendar attached is not valid"),
                _("The message claims to contain a calendar, but the calendar is not a valid iCalendar."));

        if (pitip->main_comp) {
            icalcomponent_free (pitip->main_comp);
            pitip->main_comp = NULL;
        }

        return FALSE;
    }

    prop = icalcomponent_get_first_property (pitip->main_comp, ICAL_METHOD_PROPERTY);
    if (prop == NULL) {
        pitip->method = ICAL_METHOD_PUBLISH;
    } else {
        pitip->method = icalproperty_get_method (prop);
    }

    tz_iter = icalcomponent_begin_component (pitip->main_comp, ICAL_VTIMEZONE_COMPONENT);
    while ((tz_comp = icalcompiter_deref (&tz_iter)) != NULL) {
        icalcomponent *clone;

        clone = icalcomponent_new_clone (tz_comp);
        icalcomponent_add_component (pitip->top_level, clone);

        icalcompiter_next (&tz_iter);
    }

    pitip->iter = icalcomponent_begin_component (pitip->main_comp, ICAL_ANY_COMPONENT);
    pitip->ical_comp = icalcompiter_deref (&pitip->iter);
    if (pitip->ical_comp != NULL) {
        kind = icalcomponent_isa (pitip->ical_comp);
        if (kind != ICAL_VEVENT_COMPONENT
            && kind != ICAL_VTODO_COMPONENT
            && kind != ICAL_VFREEBUSY_COMPONENT
            && kind != ICAL_VJOURNAL_COMPONENT)
            pitip->ical_comp = get_next (&pitip->iter);
    }

    if (pitip->ical_comp == NULL) {
        set_itip_error (pitip, container,
                _("The item in the calendar is not valid"),
                _("The message does contain a calendar, but the calendar contains no events, tasks or free/busy information"));

        return FALSE;
    }

    switch (icalcomponent_isa (pitip->ical_comp)) {
    case ICAL_VEVENT_COMPONENT:
        pitip->type = E_CAL_CLIENT_SOURCE_TYPE_EVENTS;
        pitip->has_organizer = icalcomponent_get_first_property (pitip->ical_comp, ICAL_ORGANIZER_PROPERTY) != NULL;
        if (icalcomponent_get_first_property (pitip->ical_comp, ICAL_ATTENDEE_PROPERTY) == NULL) {
            /* no attendees: assume that that this is not a meeting and organizer doesn't want a reply */
            pitip->no_reply_wanted = TRUE;
        } else {
            /*
             * if we have attendees, then find_to_address() will check for our RSVP
             * and set no_reply_wanted=TRUE if RSVP=FALSE for the current user
             */
        }
        break;
    case ICAL_VTODO_COMPONENT:
        pitip->type = E_CAL_CLIENT_SOURCE_TYPE_TASKS;
        break;
    case ICAL_VJOURNAL_COMPONENT:
        pitip->type = E_CAL_CLIENT_SOURCE_TYPE_MEMOS;
        break;
    default:
        set_itip_error (pitip, container,
                _("The item in the calendar is not valid"),
                _("The message does contain a calendar, but the calendar contains no events, tasks or free/busy information"));
        return FALSE;
    }

    pitip->total = icalcomponent_count_components (pitip->main_comp, ICAL_VEVENT_COMPONENT);
    pitip->total += icalcomponent_count_components (pitip->main_comp, ICAL_VTODO_COMPONENT);
    pitip->total += icalcomponent_count_components (pitip->main_comp, ICAL_VFREEBUSY_COMPONENT);
    pitip->total += icalcomponent_count_components (pitip->main_comp, ICAL_VJOURNAL_COMPONENT);

    if (pitip->total > 1) {
        GtkWidget *save, *vbox, *hbox;

        vbox = set_itip_error (pitip, container,
                _("The calendar attached contains multiple items"),
                _("To process all of these items, the file should be saved and the calendar imported"));

        g_return_val_if_fail (vbox != NULL, FALSE);

        hbox = gtk_hbox_new (FALSE, 0);

        save = gtk_button_new_from_stock (GTK_STOCK_SAVE);
        gtk_container_set_border_width (GTK_CONTAINER (save), 10);
        gtk_box_pack_start (GTK_BOX (hbox), save, FALSE, FALSE, 0);

        gtk_widget_show_all (hbox);
        gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

        g_signal_connect (save, "clicked", G_CALLBACK (save_vcalendar_cb), pitip);
        return FALSE;
    } if (pitip->total > 0) {
        pitip->current = 1;
    } else {
        pitip->current = 0;
    }

    if (icalcomponent_isa (pitip->ical_comp) != ICAL_VJOURNAL_COMPONENT) {
        gchar *my_address;

        prop = NULL;
        comp = e_cal_component_new ();
        e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (pitip->ical_comp));
        my_address = itip_get_comp_attendee (comp, NULL);
        g_object_unref (comp);
        comp = NULL;

        if (!prop)
            prop = find_attendee (pitip->ical_comp, my_address);
        if (!prop)
            prop = find_attendee_if_sentby (pitip->ical_comp, my_address);
        if (prop) {
            icalparameter *param;
            const gchar * delfrom;

            if ((param = icalproperty_get_first_parameter (prop, ICAL_DELEGATEDFROM_PARAMETER))) {
                delfrom = icalparameter_get_delegatedfrom (param);

                pitip->delegator_address = g_strdup (itip_strip_mailto (delfrom));
            }
        }
        g_free (my_address);
        prop = NULL;

        /* Determine any delegate sections */
        prop = icalcomponent_get_first_property (pitip->ical_comp, ICAL_X_PROPERTY);
        while (prop) {
            const gchar *x_name, *x_val;

            x_name = icalproperty_get_x_name (prop);
            x_val = icalproperty_get_x (prop);

            if (!strcmp (x_name, "X-EVOLUTION-DELEGATOR-CALENDAR-UID"))
                pitip->calendar_uid = g_strdup (x_val);
            else if (!strcmp (x_name, "X-EVOLUTION-DELEGATOR-CALENDAR-URI"))
                g_warning (G_STRLOC ": X-EVOLUTION-DELEGATOR-CALENDAR-URI used");
            else if (!strcmp (x_name, "X-EVOLUTION-DELEGATOR-ADDRESS"))
                pitip->delegator_address = g_strdup (x_val);
            else if (!strcmp (x_name, "X-EVOLUTION-DELEGATOR-NAME"))
                pitip->delegator_name = g_strdup (x_val);

            prop = icalcomponent_get_next_property (pitip->ical_comp, ICAL_X_PROPERTY);
        }

        /* Strip out procedural alarms for security purposes */
        alarm_iter = icalcomponent_begin_component (pitip->ical_comp, ICAL_VALARM_COMPONENT);
        while ((alarm_comp = icalcompiter_deref (&alarm_iter)) != NULL) {
            icalproperty *p;

            icalcompiter_next (&alarm_iter);

            p = icalcomponent_get_first_property (alarm_comp, ICAL_ACTION_PROPERTY);
            if (!p || icalproperty_get_action (p) == ICAL_ACTION_PROCEDURE)
                icalcomponent_remove_component (pitip->ical_comp, alarm_comp);

            icalcomponent_free (alarm_comp);
        }

        if (have_alarms) {
            alarm_iter = icalcomponent_begin_component (pitip->ical_comp, ICAL_VALARM_COMPONENT);
            *have_alarms = icalcompiter_deref (&alarm_iter) != NULL;
        }
    }

    pitip->comp = e_cal_component_new ();
    if (!e_cal_component_set_icalcomponent (pitip->comp, pitip->ical_comp)) {
        g_object_unref (pitip->comp);
        pitip->comp = NULL;

        set_itip_error (pitip, container,
                _("The item in the calendar is not valid"),
                _("The message does contain a calendar, but the calendar contains no events, tasks or free/busy information"));

        return FALSE;
    };

    /* Add default reminder if the config says so */

    use_default_reminder = e_shell_settings_get_boolean (
        shell_settings, "cal-use-default-reminder");

    if (use_default_reminder) {
        ECalComponentAlarm *acomp;
        gint interval;
        EDurationType units;
        ECalComponentAlarmTrigger trigger;

        interval = e_shell_settings_get_int (
            shell_settings, "cal-default-reminder-interval");
        units = e_shell_settings_get_int (
            shell_settings, "cal-default-reminder-units");

        acomp = e_cal_component_alarm_new ();

        e_cal_component_alarm_set_action (acomp, E_CAL_COMPONENT_ALARM_DISPLAY);

        trigger.type = E_CAL_COMPONENT_ALARM_TRIGGER_RELATIVE_START;
        memset (&trigger.u.rel_duration, 0, sizeof (trigger.u.rel_duration));

        trigger.u.rel_duration.is_neg = TRUE;

        switch (units) {
            case E_DURATION_MINUTES:
                trigger.u.rel_duration.minutes = interval;
                break;
            case E_DURATION_HOURS:
                trigger.u.rel_duration.hours = interval;
                break;
            case E_DURATION_DAYS:
                trigger.u.rel_duration.days = interval;
                break;
            default:
                g_assert_not_reached ();
        }

        e_cal_component_alarm_set_trigger (acomp, trigger);
        e_cal_component_add_alarm (pitip->comp, acomp);

        e_cal_component_alarm_free (acomp);
    }

    find_from_address (pitip, pitip->ical_comp);
    find_to_address (pitip, pitip->ical_comp, NULL);

    return TRUE;
}

struct _opencal_msg {
    MailMsg base;

    gchar *command; /* command line to run */
};

static gchar *
open_calendar__desc (struct _opencal_msg *m, gint complete)
{
    return g_strdup (_("Opening calendar"));
}

static void
open_calendar__exec (struct _opencal_msg *m,
                     GCancellable *cancellable,
                     GError **error)
{
    if (!g_spawn_command_line_async (m->command, NULL)) {
        g_warning ("Could not launch %s", m->command);
    }
}

static void
open_calendar__free (struct _opencal_msg *m)
{
    g_free (m->command);
    m->command = NULL;
}

static MailMsgInfo open_calendar_info = {
    sizeof (struct _opencal_msg),
    (MailMsgDescFunc) open_calendar__desc,
    (MailMsgExecFunc) open_calendar__exec,
    (MailMsgDoneFunc) NULL,
    (MailMsgFreeFunc) open_calendar__free,
};

static gboolean
idle_open_cb (gpointer data)
{
    struct _itip_puri *pitip = data;
    struct _opencal_msg *m;
    gchar *start, *end;

    start = isodate_from_time_t (pitip->start_time);
    end = isodate_from_time_t (pitip->end_time);
    m = mail_msg_new (&open_calendar_info);
    m->command = g_strdup_printf ("evolution \"calendar://?startdate=%s&enddate=%s\"", start, end);
    mail_msg_slow_ordered_push (m);

    g_free (start);
    g_free (end);

    return FALSE;
}

static void
view_response_cb (GtkWidget *widget, ItipViewResponse response, gpointer data)
{
    struct _itip_puri *pitip = data;
    gboolean status = FALSE, delete_invitation_from_cache = FALSE;
    icalproperty *prop;
    ECalComponentTransparency trans;
    gboolean flag, save_schedules;

    if (pitip->method == ICAL_METHOD_PUBLISH || pitip->method ==  ICAL_METHOD_REQUEST) {
        if (itip_view_get_free_time_check_state (ITIP_VIEW (pitip->view)))
            e_cal_component_set_transparency (pitip->comp, E_CAL_COMPONENT_TRANSP_TRANSPARENT);
        else
            e_cal_component_set_transparency (pitip->comp, E_CAL_COMPONENT_TRANSP_OPAQUE);
    } else {
        e_cal_component_get_transparency (pitip->comp, &trans);

        if (trans == E_CAL_COMPONENT_TRANSP_NONE)
            e_cal_component_set_transparency (pitip->comp, E_CAL_COMPONENT_TRANSP_OPAQUE);
    }

    if (!pitip->to_address && pitip->current_client != NULL)
        e_client_get_backend_property_sync (E_CLIENT (pitip->current_client), CAL_BACKEND_PROPERTY_CAL_EMAIL_ADDRESS, &pitip->to_address, NULL, NULL);

    /* check if it is a  recur instance (no master object) and
     * add a property */
    if (itip_view_get_recur_check_state (ITIP_VIEW (pitip->view))) {
        prop = icalproperty_new_x ("All");
        icalproperty_set_x_name (prop, "X-GW-RECUR-INSTANCES-MOD-TYPE");
        icalcomponent_add_property (pitip->ical_comp, prop);
    }

    /*FIXME Save schedules is misused here, remove it */
    save_schedules = e_cal_client_check_save_schedules (pitip->current_client);

    switch (response) {
        case ITIP_VIEW_RESPONSE_ACCEPT:
            if (pitip->type != E_CAL_CLIENT_SOURCE_TYPE_MEMOS)
                status = change_status (pitip->ical_comp, pitip->to_address,
                    ICAL_PARTSTAT_ACCEPTED);
            else
                status = TRUE;
            if (status) {
                e_cal_component_rescan (pitip->comp);
                flag = update_item (pitip, response);
                if (save_schedules && flag)
                    delete_invitation_from_cache = TRUE;
            }
            break;
        case ITIP_VIEW_RESPONSE_TENTATIVE:
            status = change_status (pitip->ical_comp, pitip->to_address,
                    ICAL_PARTSTAT_TENTATIVE);
            if (status) {
                e_cal_component_rescan (pitip->comp);
                flag = update_item (pitip, response);
                if (save_schedules && flag)
                    delete_invitation_from_cache = TRUE;

            }
            break;
        case ITIP_VIEW_RESPONSE_DECLINE:
            if (pitip->type != E_CAL_CLIENT_SOURCE_TYPE_MEMOS)
                status = change_status (pitip->ical_comp, pitip->to_address,
                    ICAL_PARTSTAT_DECLINED);
            else {
                prop = icalproperty_new_x ("1");
                icalproperty_set_x_name (prop, "X-GW-DECLINED");
                icalcomponent_add_property (pitip->ical_comp, prop);
                status = TRUE;
            }

            if (status) {
                e_cal_component_rescan (pitip->comp);
                flag = update_item (pitip, response);
                if (save_schedules && flag)
                    delete_invitation_from_cache = TRUE;
            }
            break;
        case ITIP_VIEW_RESPONSE_UPDATE:
            update_attendee_status (pitip);
            break;
        case ITIP_VIEW_RESPONSE_CANCEL:
            update_item (pitip, response);
            break;
        case ITIP_VIEW_RESPONSE_REFRESH:
            send_item (pitip);
            break;
        case ITIP_VIEW_RESPONSE_OPEN:
            g_idle_add (idle_open_cb, pitip);
            return;
        default:
            break;
    }

    /* FIXME Remove this and handle this at the groupwise mail provider */
    if (delete_invitation_from_cache && pitip->folder) {
        CamelFolderChangeInfo *changes = NULL;
        const gchar *tag = NULL;
        CamelMessageInfo *mi;
        mi = camel_folder_summary_uid (pitip->folder->summary, pitip->uid);
        if (mi) {
            changes = camel_folder_change_info_new ();

            if (itip_view_get_recur_check_state (ITIP_VIEW (pitip->view))) {
                /* Recurring appointment and "apply-to-all" is selected */
                camel_message_info_ref (mi);
                tag = camel_message_info_user_tag (mi, "recurrence-key");
                camel_message_info_free (mi);
                if (tag) {
                    CamelStore *parent_store;
                    GSList *list = NULL;
                    const gchar *full_name;
                    gint i = 0, count;

                    count = camel_folder_summary_count (pitip->folder->summary);
                    for (i = 0; i < count; i++) {
                        mi = camel_folder_summary_index (pitip->folder->summary, i);
                        if (!mi)
                            continue;
                        camel_message_info_ref (mi);
                        if ( camel_message_info_user_tag (mi, "recurrence-key") && g_str_equal (camel_message_info_user_tag (mi, "recurrence-key"), tag)) {
                            camel_folder_summary_remove_uid_fast (pitip->folder->summary, (gchar *)(mi->uid));
                            camel_folder_change_info_remove_uid (changes, (gchar *) mi->uid);
                            list = g_slist_prepend (list, (gpointer) mi->uid);

                            /* step back once to have the right index */
                            count--;
                            i--;
                        }
                        camel_message_info_free (mi);
                    }

                    full_name = camel_folder_get_full_name (pitip->folder);
                    parent_store = camel_folder_get_parent_store (pitip->folder);
                    camel_db_delete_uids (parent_store->cdb_w, full_name, list, NULL);
                    g_slist_free (list);
                }
            } else {
                /* Either not a recurring appointment or "apply-to-all" is not selected. So just delete this instance alone */
                camel_folder_summary_remove_uid (pitip->folder->summary, pitip->uid);
                camel_folder_change_info_remove_uid (changes, pitip->uid);
            }
            camel_folder_changed (pitip->folder, changes);
            camel_folder_change_info_free (changes);
        }
    }

    if (!save_schedules && pitip->delete_message && pitip->folder)
        camel_folder_delete_message (pitip->folder, pitip->uid);

    if (itip_view_get_rsvp (ITIP_VIEW (pitip->view)) && status) {
        ECalComponent *comp = NULL;
        icalcomponent *ical_comp;
        icalvalue *value;
        const gchar *attendee, *comment;
        GSList *l, *list = NULL;
        gboolean found;

        comp = e_cal_component_clone (pitip->comp);
        if (comp == NULL)
            return;

        if (pitip->to_address == NULL)
            find_to_address (pitip, pitip->ical_comp, NULL);
        g_assert (pitip->to_address != NULL);

        ical_comp = e_cal_component_get_icalcomponent (comp);

        /* Remove all attendees except the one we are responding as */
        found = FALSE;
        for (prop = icalcomponent_get_first_property (ical_comp, ICAL_ATTENDEE_PROPERTY);
             prop != NULL;
             prop = icalcomponent_get_next_property (ical_comp, ICAL_ATTENDEE_PROPERTY))
        {
            gchar *text;

            value = icalproperty_get_value (prop);
            if (!value)
                continue;

            attendee = icalvalue_get_string (value);

            text = g_strdup (itip_strip_mailto (attendee));
            text = g_strstrip (text);

            /* We do this to ensure there is at most one
             * attendee in the response */
            if (found || g_ascii_strcasecmp (pitip->to_address, text))
                list = g_slist_prepend (list, prop);
            else if (!g_ascii_strcasecmp (pitip->to_address, text))
                found = TRUE;
            g_free (text);
        }

        for (l = list; l; l = l->next) {
            prop = l->data;
            icalcomponent_remove_property (ical_comp, prop);
            icalproperty_free (prop);
        }
        g_slist_free (list);

        /* Add a comment if there user set one */
        comment = itip_view_get_rsvp_comment (ITIP_VIEW (pitip->view));
        if (comment) {
            GSList comments;
            ECalComponentText text;

            text.value = comment;
            text.altrep = NULL;

            comments.data = &text;
            comments.next = NULL;

            e_cal_component_set_comment_list (comp, &comments);
        }

        e_cal_component_rescan (comp);
        if (itip_send_comp (E_CAL_COMPONENT_METHOD_REPLY, comp, pitip->current_client, pitip->top_level, NULL, NULL, TRUE, FALSE) && pitip->folder) {
            camel_folder_set_message_flags (
                pitip->folder, pitip->uid,
                CAMEL_MESSAGE_ANSWERED,
                CAMEL_MESSAGE_ANSWERED);
        }

        g_object_unref (comp);

    }
}

static gboolean
check_is_instance (icalcomponent *icalcomp)
{
    icalproperty *icalprop;

    icalprop = icalcomponent_get_first_property (icalcomp, ICAL_X_PROPERTY);
    while (icalprop) {
        const gchar *x_name;

        x_name = icalproperty_get_x_name (icalprop);
        if (!strcmp (x_name, "X-GW-RECURRENCE-KEY")) {
            return TRUE;
        }
        icalprop = icalcomponent_get_next_property (icalcomp, ICAL_X_PROPERTY);
    }

    return FALSE;
}

static gboolean
in_proper_folder (CamelFolder *folder)
{
    EShell *shell;
    EShellBackend *shell_backend;
    EMailBackend *backend;
    EMailSession *session;
    MailFolderCache *folder_cache;
    gboolean res = TRUE;
    CamelFolderInfoFlags flags = 0;

    if (!folder)
        return FALSE;

    shell = e_shell_get_default ();
    shell_backend = e_shell_get_backend_by_name (shell, "mail");
    backend = E_MAIL_BACKEND (shell_backend);
    session = e_mail_backend_get_session (backend);
    folder_cache = e_mail_session_get_folder_cache (session);

    if (mail_folder_cache_get_folder_info_flags (folder_cache, folder, &flags)) {
        /* it should be neither trash nor junk folder, */
        res = ((flags & CAMEL_FOLDER_TYPE_TRASH) !=  CAMEL_FOLDER_TYPE_TRASH &&
               (flags & CAMEL_FOLDER_TYPE_JUNK) != CAMEL_FOLDER_TYPE_JUNK &&
              /* it can be Inbox */
            ( (flags & CAMEL_FOLDER_TYPE_INBOX) == CAMEL_FOLDER_TYPE_INBOX ||
              /* or any other virtual folder */
              CAMEL_IS_VEE_FOLDER (folder) ||
              /* or anything else except of sent, outbox or drafts folder */
              (!em_utils_folder_is_sent (folder) &&
               !em_utils_folder_is_outbox (folder) &&
               !em_utils_folder_is_drafts (folder))
            ));
    } else {
        /* cannot check for Inbox folder here */
        res = (folder->folder_flags & (CAMEL_FOLDER_IS_TRASH | CAMEL_FOLDER_IS_JUNK)) == 0 && (
              (CAMEL_IS_VEE_FOLDER (folder)) || (
              !em_utils_folder_is_sent (folder) &&
              !em_utils_folder_is_outbox (folder) &&
              !em_utils_folder_is_drafts (folder)));
    }

    return res;
}

static gboolean
format_itip_object (EMFormatHTML *efh, GtkHTMLEmbedded *eb, EMFormatHTMLPObject *pobject)
{
    EShell *shell;
    EShellSettings *shell_settings;
    struct _itip_puri *info;
    ECalComponentText text;
    ECalComponentOrganizer organizer;
    ECalComponentDateTime datetime;
    icaltimezone *from_zone, *to_zone;
    GString *gstring = NULL;
    GSList *list, *l;
    icalcomponent *icalcomp;
    const gchar *string, *org;
    gint i;
    gboolean response_enabled;
    gboolean have_alarms = FALSE;

    shell = e_shell_get_default ();
    shell_settings = e_shell_get_shell_settings (shell);

    info = (struct _itip_puri *) em_format_find_puri ((EMFormat *) efh, pobject->classid);

    /* Accounts */
    info->accounts = e_get_account_list ();

    /* Source Lists and open ecal clients */
    for (i = 0; i < E_CAL_CLIENT_SOURCE_TYPE_LAST; i++) {
        if (!e_cal_client_get_sources (&info->source_lists[i], i, NULL))
            /* FIXME More error handling? */
            info->source_lists[i] = NULL;

        /* Initialize the ecal hashes */
        info->clients[i] = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
    }

    /* FIXME Handle multiple VEVENTS with the same UID, ie detached instances */
    if (!extract_itip_data (info, GTK_CONTAINER (eb), &have_alarms))
        return TRUE;

    info->view = itip_view_new ();
    gtk_container_add (GTK_CONTAINER (eb), info->view);
    gtk_widget_show (info->view);

    response_enabled = in_proper_folder (((EMFormat*) efh)->folder);

    if (!response_enabled) {
        itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_HIDE_ALL);
    } else {
        itip_view_set_show_inherit_alarm_check (ITIP_VIEW (info->view), have_alarms && (info->method == ICAL_METHOD_PUBLISH || info->method ==  ICAL_METHOD_REQUEST));

        switch (info->method) {
        case ICAL_METHOD_PUBLISH:
        case ICAL_METHOD_REQUEST:
            /*
             * Treat meeting request (sent by organizer directly) and
             * published evend (forwarded by organizer or attendee) alike:
             * if the event has an organizer, then it can be replied to and
             * we show the "accept/tentative/decline" choice.
             * Otherwise only show "accept".
             */
            itip_view_set_mode (ITIP_VIEW (info->view),
                        info->has_organizer ?
                        ITIP_VIEW_MODE_REQUEST :
                        ITIP_VIEW_MODE_PUBLISH);
            break;
        case ICAL_METHOD_REPLY:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_REPLY);
            break;
        case ICAL_METHOD_ADD:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_ADD);
            break;
        case ICAL_METHOD_CANCEL:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_CANCEL);
            break;
        case ICAL_METHOD_REFRESH:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_REFRESH);
            break;
        case ICAL_METHOD_COUNTER:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_COUNTER);
            break;
        case ICAL_METHOD_DECLINECOUNTER:
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_DECLINECOUNTER);
            break;
        case ICAL_METHOD_X :
            /* Handle appointment requests from Microsoft Live. This is
             * a best-at-hand-now handling. Must be revisited when we have
             * better access to the source of such meetings */
            info->method = ICAL_METHOD_REQUEST;
            itip_view_set_mode (ITIP_VIEW (info->view), ITIP_VIEW_MODE_REQUEST);
            break;
        default:
            return FALSE;
        }
    }

    itip_view_set_item_type (ITIP_VIEW (info->view), info->type);

    if (response_enabled) {
        switch (info->method) {
        case ICAL_METHOD_REQUEST:
            /* FIXME What about the name? */
            itip_view_set_delegator (ITIP_VIEW (info->view), info->delegator_name ? info->delegator_name : info->delegator_address);
        case ICAL_METHOD_PUBLISH:
        case ICAL_METHOD_ADD:
        case ICAL_METHOD_CANCEL:
        case ICAL_METHOD_DECLINECOUNTER:
            itip_view_set_show_update (ITIP_VIEW (info->view), FALSE);

            /* An organizer sent this */
            e_cal_component_get_organizer (info->comp, &organizer);
            org = organizer.cn ? organizer.cn : itip_strip_mailto (organizer.value);

            itip_view_set_organizer (ITIP_VIEW (info->view), org);
            if (organizer.sentby)
                itip_view_set_organizer_sentby (ITIP_VIEW (info->view), itip_strip_mailto (organizer.sentby));

            if (info->my_address) {
                if (!(organizer.value && !g_ascii_strcasecmp (itip_strip_mailto (organizer.value), info->my_address))
                && !(organizer.sentby && !g_ascii_strcasecmp (itip_strip_mailto (organizer.sentby), info->my_address))
                && (info->to_address && g_ascii_strcasecmp (info->to_address, info->my_address)))
                    itip_view_set_proxy (ITIP_VIEW (info->view), info->to_name ? info->to_name : info->to_address);
            }
            break;
        case ICAL_METHOD_REPLY:
        case ICAL_METHOD_REFRESH:
        case ICAL_METHOD_COUNTER:
            itip_view_set_show_update (ITIP_VIEW (info->view), TRUE);

            /* An attendee sent this */
            e_cal_component_get_attendee_list (info->comp, &list);
            if (list != NULL) {
                ECalComponentAttendee *attendee;

                attendee = list->data;

                itip_view_set_attendee (ITIP_VIEW (info->view), attendee->cn ? attendee->cn : itip_strip_mailto (attendee->value));

                if (attendee->sentby)
                    itip_view_set_attendee_sentby (ITIP_VIEW (info->view), itip_strip_mailto (attendee->sentby));

                if (info->my_address) {
                    if (!(attendee->value && !g_ascii_strcasecmp (itip_strip_mailto (attendee->value), info->my_address))
                    && !(attendee->sentby && !g_ascii_strcasecmp (itip_strip_mailto (attendee->sentby), info->my_address))
                    && (info->from_address && g_ascii_strcasecmp (info->from_address, info->my_address)))
                        itip_view_set_proxy (ITIP_VIEW (info->view), info->from_name ? info->from_name : info->from_address);
                }

                e_cal_component_free_attendee_list (list);
            }
            break;
        default:
            g_assert_not_reached ();
            break;
        }
    }

    e_cal_component_get_summary (info->comp, &text);
    itip_view_set_summary (ITIP_VIEW (info->view), text.value ? text.value : C_("cal-itip", "None"));

    e_cal_component_get_location (info->comp, &string);
    itip_view_set_location (ITIP_VIEW (info->view), string);

    /* Status really only applies for REPLY */
    if (response_enabled && info->method == ICAL_METHOD_REPLY) {
        e_cal_component_get_attendee_list (info->comp, &list);
        if (list != NULL) {
            ECalComponentAttendee *a = list->data;

            switch (a->status) {
            case ICAL_PARTSTAT_ACCEPTED:
                itip_view_set_status (ITIP_VIEW (info->view), _("Accepted"));
                break;
            case ICAL_PARTSTAT_TENTATIVE:
                itip_view_set_status (ITIP_VIEW (info->view), _("Tentatively Accepted"));
                break;
            case ICAL_PARTSTAT_DECLINED:
                itip_view_set_status (ITIP_VIEW (info->view), _("Declined"));
                break;
            case ICAL_PARTSTAT_DELEGATED:
                itip_view_set_status (ITIP_VIEW (info->view), _("Delegated"));
                break;
            default:
                itip_view_set_status (ITIP_VIEW (info->view), _("Unknown"));
            }
        }
        e_cal_component_free_attendee_list (list);
    }

    if (info->method == ICAL_METHOD_REPLY
        || info->method == ICAL_METHOD_COUNTER
        || info->method == ICAL_METHOD_DECLINECOUNTER) {
        /* FIXME Check spec to see if multiple comments are actually valid */
        /* Comments for iTIP are limited to one per object */
        e_cal_component_get_comment_list (info->comp, &list);
        if (list) {
            ECalComponentText *text = list->data;

            if (text->value)
                itip_view_set_comment (ITIP_VIEW (info->view), text->value);
        }
        e_cal_component_free_text_list (list);
    }

    e_cal_component_get_description_list (info->comp, &list);
    for (l = list; l; l = l->next) {
        ECalComponentText *text = l->data;

        if (!gstring && text->value)
            gstring = g_string_new (text->value);
        else if (text->value)
            g_string_append_printf (gstring, "\n\n%s", text->value);
    }
    e_cal_component_free_text_list (list);

    if (gstring) {
        itip_view_set_description (ITIP_VIEW (info->view), gstring->str);
        g_string_free (gstring, TRUE);
    }

    to_zone = e_shell_settings_get_pointer (shell_settings, "cal-timezone");

    e_cal_component_get_dtstart (info->comp, &datetime);
    info->start_time = 0;
    if (datetime.value) {
        struct tm start_tm;

        /* If the timezone is not in the component, guess the local time */
        /* Should we guess if the timezone is an olsen name somehow? */
        if (datetime.value->is_utc)
            from_zone = icaltimezone_get_utc_timezone ();
        else if (!datetime.value->is_utc && datetime.tzid)
            from_zone = icalcomponent_get_timezone (info->top_level, datetime.tzid);
        else
            from_zone = NULL;

        start_tm = icaltimetype_to_tm_with_zone (datetime.value, from_zone, to_zone);

        itip_view_set_start (ITIP_VIEW (info->view), &start_tm, datetime.value->is_date);
        info->start_time = icaltime_as_timet_with_zone (*datetime.value, from_zone);
    }

    icalcomp = e_cal_component_get_icalcomponent (info->comp);

    /* Set the recurrence id */
    if (check_is_instance (icalcomp) && datetime.value) {
        ECalComponentRange *recur_id;
        struct icaltimetype icaltime = icaltime_convert_to_zone (*datetime.value, to_zone);

        recur_id = g_new0 (ECalComponentRange, 1);
        recur_id->type = E_CAL_COMPONENT_RANGE_SINGLE;
        recur_id->datetime.value = &icaltime;
        recur_id->datetime.tzid = icaltimezone_get_tzid (to_zone);
        e_cal_component_set_recurid (info->comp, recur_id);
        g_free (recur_id); /* it's ok to call g_free here */
    }
    e_cal_component_free_datetime (&datetime);

    e_cal_component_get_dtend (info->comp, &datetime);
    info->end_time = 0;
    if (datetime.value) {
        struct tm end_tm;

        /* If the timezone is not in the component, guess the local time */
        /* Should we guess if the timezone is an olsen name somehow? */
        if (datetime.value->is_utc)
            from_zone = icaltimezone_get_utc_timezone ();
        else if (!datetime.value->is_utc && datetime.tzid)
            from_zone = icalcomponent_get_timezone (info->top_level, datetime.tzid);
        else
            from_zone = NULL;

        if (datetime.value->is_date) {
            /* RFC says the DTEND is not inclusive, thus subtract one day
               if we have a date */

            icaltime_adjust (datetime.value, -1, 0, 0, 0);
        }

        end_tm = icaltimetype_to_tm_with_zone (datetime.value, from_zone, to_zone);

        itip_view_set_end (ITIP_VIEW (info->view), &end_tm, datetime.value->is_date);
        info->end_time = icaltime_as_timet_with_zone (*datetime.value, from_zone);
    }
    e_cal_component_free_datetime (&datetime);

    /* Recurrence info */
    /* FIXME Better recurring description */
    if (e_cal_component_has_recurrences (info->comp)) {
        /* FIXME Tell the user we don't support recurring tasks */
        switch (info->type) {
        case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
            itip_view_add_upper_info_item (ITIP_VIEW (info->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("This meeting recurs"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_TASKS:
            itip_view_add_upper_info_item (ITIP_VIEW (info->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("This task recurs"));
            break;
        case E_CAL_CLIENT_SOURCE_TYPE_MEMOS:
            itip_view_add_upper_info_item (ITIP_VIEW (info->view), ITIP_VIEW_INFO_ITEM_TYPE_INFO, _("This memo recurs"));
            break;
        default:
            g_assert_not_reached ();
            break;
        }
    }

    if (response_enabled) {
        g_signal_connect (info->view, "response", G_CALLBACK (view_response_cb), info);

        itip_view_set_show_free_time_check (ITIP_VIEW (info->view), info->type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS && (info->method == ICAL_METHOD_PUBLISH || info->method ==  ICAL_METHOD_REQUEST));

        if (info->calendar_uid) {
            start_calendar_server_by_uid (info, info->calendar_uid, info->type);
        } else {
            find_server (info, info->comp);
            set_buttons_sensitive (info);
        }
    }

    return TRUE;
}

static void
puri_free (EMFormatPURI *puri)
{
    struct _itip_puri *pitip = (struct _itip_puri*) puri;
    gint i;

    g_cancellable_cancel (pitip->cancellable);
    g_object_unref (pitip->cancellable);

    for (i = 0; i < E_CAL_CLIENT_SOURCE_TYPE_LAST; i++) {
        if (pitip->source_lists[i])
        g_object_unref (pitip->source_lists[i]);
        pitip->source_lists[i] = NULL;

        g_hash_table_destroy (pitip->clients[i]);
        pitip->clients[i] = NULL;
    }

    g_free (pitip->vcalendar);
    pitip->vcalendar = NULL;

    if (pitip->comp) {
        g_object_unref (pitip->comp);
        pitip->comp = NULL;
    }

    if (pitip->top_level) {
        icalcomponent_free (pitip->top_level);
        pitip->top_level = NULL;
    }

    if (pitip->main_comp) {
        icalcomponent_free (pitip->main_comp);
        pitip->main_comp = NULL;
    }
    pitip->ical_comp = NULL;

    g_free (pitip->calendar_uid);
    pitip->calendar_uid = NULL;

    g_free (pitip->from_address);
    pitip->from_address = NULL;
    g_free (pitip->from_name);
    pitip->from_name = NULL;
    g_free (pitip->to_address);
    pitip->to_address = NULL;
    g_free (pitip->to_name);
    pitip->to_name = NULL;
    g_free (pitip->delegator_address);
    pitip->delegator_address = NULL;
    g_free (pitip->delegator_name);
    pitip->delegator_name = NULL;
    g_free (pitip->my_address);
    pitip->my_address = NULL;
    g_free (pitip->uid);
}

void
format_itip (EPlugin *ep, EMFormatHookTarget *target)
{
    GConfClient *gconf;
    gchar *classid;
    struct _itip_puri *puri;
    CamelDataWrapper *content;
    CamelStream *stream;
    GByteArray *byte_array;

    classid = g_strdup_printf("itip:///%s", ((EMFormat *) target->format)->part_id->str);

    /* mark message as containing calendar, thus it will show the icon in message list now on */
    if (target->format->uid && target->format->folder &&
        !camel_folder_get_message_user_flag (target->format->folder, target->format->uid, "$has_cal"))
        camel_folder_set_message_user_flag (target->format->folder, target->format->uid, "$has_cal", TRUE);

    puri = (struct _itip_puri *) em_format_add_puri (target->format, sizeof (struct _itip_puri), classid, target->part, itip_attachment_frame);

    em_format_html_add_pobject ((EMFormatHTML *) target->format, sizeof (EMFormatHTMLPObject), classid, target->part, format_itip_object);

    gconf = gconf_client_get_default ();
    puri->delete_message = gconf_client_get_bool (gconf, GCONF_KEY_DELETE, NULL);
    puri->has_organizer = FALSE;
    puri->no_reply_wanted = FALSE;
    puri->folder = ((EMFormat *) target->format)->folder;
    puri->uid = g_strdup (((EMFormat *) target->format)->uid);
    puri->msg = ((EMFormat *) target->format)->message;
    puri->part = target->part;
    puri->cancellable = g_cancellable_new ();
    puri->puri.free = puri_free;

    g_object_unref (gconf);

    /* This is non-gui thread. Download the part for using in the main thread */
    content = camel_medium_get_content ((CamelMedium *) target->part);

    byte_array = g_byte_array_new ();
    stream = camel_stream_mem_new_with_byte_array (byte_array);
    camel_data_wrapper_decode_to_stream_sync (content, stream, NULL, NULL);

    if (byte_array->len == 0)
        puri->vcalendar = NULL;
    else
        puri->vcalendar = g_strndup (
            (gchar *) byte_array->data, byte_array->len);

    g_object_unref (stream);

    camel_stream_printf (target->stream, "<table border=0 width=\"100%%\" cellpadding=3><tr>");
    camel_stream_printf (target->stream, "<td valign=top><object classid=\"%s\"></object></td><td width=100%% valign=top>", classid);
    camel_stream_printf (target->stream, "</td></tr></table>");

    g_free (classid);
}

static void
delete_toggled_cb (GtkWidget *widget, gpointer data)
{
    EMConfigTargetPrefs *target = data;

    gconf_client_set_bool (target->gconf, GCONF_KEY_DELETE, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)), NULL);
}

static void
initialize_selection (ESourceSelector *selector, ESourceList *source_list)
{
    GSList *groups;

    for (groups = e_source_list_peek_groups (source_list); groups; groups = groups->next) {
        ESourceGroup *group = E_SOURCE_GROUP (groups->data);
        GSList *sources;
        for (sources = e_source_group_peek_sources (group); sources; sources = sources->next) {
            ESource *source = E_SOURCE (sources->data);
            const gchar *completion = e_source_get_property (source, "conflict");
            if (completion && !g_ascii_strcasecmp (completion, "true"))
                e_source_selector_select_source (selector, source);
        }
    }
}

static void
source_selection_changed (ESourceSelector *selector, gpointer data)
{
    ESourceList *source_list = data;
    GSList *selection;
    GSList *l;
    GSList *groups;

    /* first we clear all the completion flags from all sources */
    for (groups = e_source_list_peek_groups (source_list); groups; groups = groups->next) {
        ESourceGroup *group = E_SOURCE_GROUP (groups->data);
        GSList *sources;
        for (sources = e_source_group_peek_sources (group); sources; sources = sources->next) {
            ESource *source = E_SOURCE (sources->data);

            e_source_set_property (source, "conflict", NULL);
        }
    }

    /* then we loop over the selector's selection, setting the
       property on those sources */
    selection = e_source_selector_get_selection (selector);
    for (l = selection; l; l = l->next) {
        e_source_set_property (E_SOURCE (l->data), "conflict", "true");
    }
    e_source_selector_free_selection (selection);

    /* FIXME show an error if this fails? */
    e_source_list_sync (source_list, NULL);
}

GtkWidget *
itip_formatter_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data)
{
    EMConfigTargetPrefs *target = (EMConfigTargetPrefs *) hook_data->config->target;
    GtkWidget *page;
    GtkWidget *tab_label;
    GtkWidget *frame;
    GtkWidget *frame_label;
    GtkWidget *padding_label;
    GtkWidget *hbox;
    GtkWidget *inner_vbox;
    GtkWidget *check;
    GtkWidget *label;
    GtkWidget *ess;
    GtkWidget *scrolledwin;
    ESourceList *source_list;
    gchar *str;

    /* Create a new notebook page */
    page = gtk_vbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (page), 12);
    tab_label = gtk_label_new (_("Calendar and Tasks"));
    gtk_notebook_append_page (GTK_NOTEBOOK (hook_data->parent), page, tab_label);

    /* Frame */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, FALSE, FALSE, 0);

    /* "General" */
    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("General"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    gtk_misc_set_alignment (GTK_MISC (frame_label), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, FALSE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, FALSE, FALSE, 0);

    /* Delete message after acting */
    /* FIXME Need a schema for this */
    check = gtk_check_button_new_with_mnemonic (_("_Delete message after acting"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), gconf_client_get_bool (target->gconf, GCONF_KEY_DELETE, NULL));
    g_signal_connect (GTK_TOGGLE_BUTTON (check), "toggled", G_CALLBACK (delete_toggled_cb), target);
    gtk_box_pack_start (GTK_BOX (inner_vbox), check, FALSE, FALSE, 0);

    /* "Conflict searching" */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, TRUE, TRUE, 24);

    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("Conflict Search"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    gtk_misc_set_alignment (GTK_MISC (frame_label), 0.0, 0.5);
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, TRUE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, TRUE, TRUE, 0);

    /* Source selector */
    label = gtk_label_new (_("Select the calendars to search for meeting conflicts"));
    gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
    gtk_box_pack_start (GTK_BOX (inner_vbox), label, FALSE, FALSE, 0);

    if (!e_cal_client_get_sources (&source_list, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, NULL)) {
        /* FIXME Error handling */;
    }

    scrolledwin = gtk_scrolled_window_new (NULL, NULL);

    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwin),
                    GTK_POLICY_AUTOMATIC,
                    GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolledwin),
                         GTK_SHADOW_IN);
    gtk_box_pack_start (GTK_BOX (inner_vbox), scrolledwin, TRUE, TRUE, 0);

    ess = e_source_selector_new (source_list);
    atk_object_set_name (gtk_widget_get_accessible (ess), _("Conflict Search"));
    gtk_container_add (GTK_CONTAINER (scrolledwin), ess);

    initialize_selection (E_SOURCE_SELECTOR (ess), source_list);

    g_signal_connect (ess, "selection_changed", G_CALLBACK (source_selection_changed), source_list);
    g_object_weak_ref (G_OBJECT (page), (GWeakNotify) g_object_unref, source_list);

    gtk_widget_show_all (page);

    return page;
}

static void
itip_attachment_frame (EMFormat *emf,
                       CamelStream *stream,
                       EMFormatPURI *puri,
                       GCancellable *cancellable)
{
    struct _itip_puri *info = (struct _itip_puri *) puri;

    info->handle->handler (
        emf, stream, info->puri.part,
        info->handle, cancellable, FALSE);

    camel_stream_close (stream, cancellable, NULL);
}
generated by cgit (git 2.34.1) at 2024-10-05 00:26:43 +0800