diff options
Diffstat (limited to 'mail/mail-display.c')
| -rw-r--r-- | mail/mail-display.c | 2995 |
1 files changed, 0 insertions, 2995 deletions
diff --git a/mail/mail-display.c b/mail/mail-display.c deleted file mode 100644 index 6c6d9aaf2a..0000000000 --- a/mail/mail-display.c +++ /dev/null @@ -1,2995 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: Dan Winship <danw@ximian.com> - * Jeffrey Stedfast <fejj@ximian.com> - * Michael Zucchi <notzed@ximian.com> - * Miguel de Icaza <miguel@ximian.com> - * Larry Ewing <lewing@ximian.com> - * - * Copyright 2002 Ximian, Inc. (www.ximian.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ - - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> -#include <sys/stat.h> -#include <ctype.h> -#include <fcntl.h> -#include <errno.h> - -#include <gtk/gtkinvisible.h> -#include <libgnome/gnome-program.h> - -#include <gconf/gconf.h> -#include <gconf/gconf-client.h> - -#include <libgnomevfs/gnome-vfs.h> -#include <libgnome/gnome-url.h> -#include <bonobo/bonobo-exception.h> -#include <bonobo/bonobo-control-frame.h> -#include <bonobo/bonobo-stream-memory.h> -#include <bonobo/bonobo-widget.h> -#include <bonobo/bonobo-socket.h> - -#include <gdk/gdkkeysyms.h> -#include <gdk-pixbuf/gdk-pixbuf.h> -#include <gdk-pixbuf/gdk-pixbuf-loader.h> -#include <gal/util/e-util.h> -#include <gal/widgets/e-gui-utils.h> -#include <gal/widgets/e-popup-menu.h> - -#include <gtkhtml/gtkhtml.h> -#include <gtkhtml/gtkhtml-embedded.h> -#include <gtkhtml/htmlengine.h> -#include <gtkhtml/htmlobject.h> -#include <gtkhtml/htmltext.h> -#include <gtkhtml/htmlinterval.h> -#include <gtkhtml/gtkhtml-stream.h> - -#include <libsoup/soup-message.h> - -#include "e-util/e-gui-utils.h" -#include "e-util/e-mktemp.h" -#include "addressbook/backend/ebook/e-book-util.h" - -#include "e-searching-tokenizer.h" -#include "folder-browser-factory.h" -#include "mail-display-stream.h" -#include "folder-browser.h" -#include "mail-component.h" -#include "mail-config.h" -#include "mail-display.h" -#include "mail-format.h" -#include "mail-ops.h" -#include "mail-mt.h" -#include "mail.h" - -#include "camel/camel-data-cache.h" - -#define d(x) - -struct _MailDisplayPrivate { - - /* because we want to control resource usage, we need our own queues, etc */ - EDList fetch_active; - EDList fetch_queue; - - /* used to try and make some sense with progress reporting */ - int fetch_total; - int fetch_total_done; - - /* bit hackish, 'fake' an async message and processing, - so we can use that to get cancel and report progress */ - struct _mail_msg *fetch_msg ; - GIOChannel *fetch_cancel_channel; - guint fetch_cancel_watch; - - guint display_notify_id; -}; - -/* max number of connections to download images */ -#define FETCH_MAX_CONNECTIONS (4) - -/* path to http cache in fetch_cache */ -#define FETCH_HTTP_CACHE "http" - -/* for asynchronously downloading remote content */ -struct _remote_data { - struct _remote_data *next; - struct _remote_data *prev; - - MailDisplay *md; /* not ref'd */ - - SoupMessage *msg; - char *uri; - GtkHTML *html; - GtkHTMLStream *stream; - CamelStream *cstream; /* cache stream */ - size_t length; - size_t total; -}; - -static void fetch_remote(MailDisplay *md, const char *uri, GtkHTML *html, GtkHTMLStream *stream); -static void fetch_cancel(MailDisplay *md); -static void fetch_next(MailDisplay *md); -static void fetch_data(SoupMessage *req, void *data); -static void fetch_free(struct _remote_data *rd); -static void fetch_done(SoupMessage *req, void *data); - -/* global http cache, relies on external evolution_dir as well */ -static CamelDataCache *fetch_cache; - -#define PARENT_TYPE (gtk_vbox_get_type ()) - -static GtkObjectClass *mail_display_parent_class; - -struct _PixbufLoader { - CamelDataWrapper *wrapper; /* The data */ - CamelStream *mstream; - GdkPixbufLoader *loader; - GtkHTMLEmbedded *eb; - char *type; /* Type of data, in case the conversion fails */ - char *cid; /* Strdupped on creation, but not freed until - the hashtable is destroyed */ - GtkWidget *pixmap; - guint32 destroy_id; -}; -static GHashTable *thumbnail_cache = NULL; - -/* Drag & Drop types */ -#define TEXT_URI_LIST_TYPE "text/uri-list" - -enum DndTargetType { - DND_TARGET_TYPE_TEXT_URI_LIST, - DND_TARGET_TYPE_PART_MIME_TYPE -}; - -static GtkTargetEntry drag_types[] = { - { TEXT_URI_LIST_TYPE, 0, DND_TARGET_TYPE_TEXT_URI_LIST }, - { NULL, 0, DND_TARGET_TYPE_PART_MIME_TYPE } -}; - -static const int num_drag_types = sizeof (drag_types) / sizeof (drag_types[0]); - -/*----------------------------------------------------------------------* - * Callbacks - *----------------------------------------------------------------------*/ - -static void -write_data_written(CamelMimePart *part, char *name, int done, void *data) -{ - int *ret = data; - - /* should we popup a dialogue to say its done too? */ - *ret = done; -} - -static gboolean -write_data_to_file (CamelMimePart *part, const char *name, gboolean unique) -{ - int fd, ret = FALSE; - - g_return_val_if_fail (CAMEL_IS_MIME_PART (part), FALSE); - - fd = open (name, O_WRONLY | O_CREAT | O_EXCL, 0666); - if (fd == -1 && errno == EEXIST && !unique) { - GtkWidget *dialog; - int button; - - dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, - _("File `%s' already exists.\nOverwrite it?"), - name); - - g_object_set (dialog, "title", _("Overwrite file?"), "allow_grow", TRUE, NULL); - button = gtk_dialog_run ((GtkDialog *) dialog); - gtk_widget_destroy (dialog); - - if (button != GTK_RESPONSE_YES) - return FALSE; - } - - if (fd != -1) - close (fd); - - /* should this have progress of what its doing? */ - mail_msg_wait (mail_save_part (part, name, write_data_written, &ret)); - - return ret; -} - -static char * -make_safe_filename (const char *prefix, CamelMimePart *part) -{ - const char *name; - char *safe, *p; - - name = part ? camel_mime_part_get_filename (part) : NULL; - - if (!name) { - /* This is a filename. Translators take note. */ - name = _("attachment"); - } - - p = strrchr (name, '/'); - if (p) - safe = g_strdup_printf ("%s%s", prefix, p); - else - safe = g_strdup_printf ("%s/%s", prefix, name); - - p = strrchr (safe, '/'); - if (p) - e_filename_make_safe (p + 1); - - return safe; -} - -static void -save_data_cb (GtkWidget *widget, gpointer user_data) -{ - GtkFileSelection *file_select; - GConfClient *gconf; - char *dir; - - file_select = (GtkFileSelection *) gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION); - - /* uh, this doesn't really feel right, but i dont know what to do better */ - gtk_widget_hide (GTK_WIDGET (file_select)); - write_data_to_file (user_data, gtk_file_selection_get_filename (file_select), FALSE); - - /* preserve the pathname */ - dir = g_path_get_dirname (gtk_file_selection_get_filename (file_select)); - gconf = mail_config_get_gconf_client (); - gconf_client_set_string (gconf, "/apps/evolution/mail/save_dir", dir, NULL); - g_free (dir); - - gtk_widget_destroy (GTK_WIDGET (file_select)); -} - -static void -save_destroy_cb (CamelMimePart *part, GObject *deadbeef) -{ - camel_object_unref (part); -} - -static gboolean -idle_redisplay (gpointer data) -{ - MailDisplay *md = data; - - md->idle_id = 0; - mail_display_redisplay (md, FALSE); - - return FALSE; -} - -void -mail_display_queue_redisplay (MailDisplay *md) -{ - if (!md->idle_id) { - md->idle_id = g_idle_add_full (G_PRIORITY_LOW, idle_redisplay, - md, NULL); - } -} - -static void -mail_display_jump_to_anchor (MailDisplay *md, const char *url) -{ - char *anchor = strstr (url, "#"); - - g_return_if_fail (anchor != NULL); - - if (anchor) - gtk_html_jump_to_anchor (md->html, anchor + 1); -} - -static void -on_link_clicked (GtkHTML *html, const char *url, MailDisplay *md) -{ - if (!strncasecmp (url, "mailto:", 7)) { - send_to_url (url, NULL); - } else if (*url == '#') { - mail_display_jump_to_anchor (md, url); - } else { - GError *err = NULL; - - gnome_url_show (url, &err); - - if (err) { - g_warning ("gnome_url_show: %s", err->message); - g_error_free (err); - } - } -} - -static void -save_part (CamelMimePart *part) -{ - char *filename, *dir, *home, *base; - GtkFileSelection *file_select; - GConfClient *gconf; - - camel_object_ref (part); - - home = getenv ("HOME"); - gconf = mail_config_get_gconf_client (); - dir = gconf_client_get_string (gconf, "/apps/evolution/mail/save_dir", NULL); - filename = make_safe_filename (dir ? dir : (home ? home : ""), part); - g_free (dir); - - file_select = GTK_FILE_SELECTION (gtk_file_selection_new (_("Save Attachment"))); - gtk_file_selection_set_filename (file_select, filename); - /* set the GtkEntry with the locale filename by breaking abstraction */ - base = g_path_get_basename (filename); - gtk_entry_set_text (GTK_ENTRY (file_select->selection_entry), base); - g_free (filename); - g_free (base); - - g_signal_connect (file_select->ok_button, "clicked", - G_CALLBACK (save_data_cb), part); - - g_signal_connect_swapped (file_select->cancel_button, "clicked", - G_CALLBACK (gtk_widget_destroy), file_select); - - g_object_weak_ref ((GObject *) file_select, (GWeakNotify) save_destroy_cb, part); - - gtk_widget_show (GTK_WIDGET (file_select)); -} - -static void -save_cb (GtkWidget *widget, gpointer user_data) -{ - CamelMimePart *part = g_object_get_data ((GObject *) user_data, "CamelMimePart"); - - save_part (part); -} - -static void -launch_cb (GtkWidget *widget, gpointer user_data) -{ - CamelMimePart *part = g_object_get_data(user_data, "CamelMimePart"); - MailMimeHandler *handler; - GList *apps, *children, *c; - GnomeVFSMimeApplication *app; - char *command, *filename; - const char *tmpdir; - - handler = mail_lookup_handler (g_object_get_data(user_data, "mime_type")); - g_return_if_fail (handler != NULL && handler->applications != NULL); - - /* Yum. Too bad EPopupMenu doesn't allow per-item closures. */ - children = gtk_container_get_children (GTK_CONTAINER (widget->parent)); - /* We need to bypass the first 2 menu items */ - g_return_if_fail (children != NULL && children->next != NULL - && children->next->next != NULL && children->next->next->next != NULL); - - for (c = children->next->next->next, apps = handler->applications; c && apps; c = c->next, apps = apps->next) { - if (c->data == widget) - break; - } - g_list_free (children); - g_return_if_fail (c != NULL && apps != NULL); - app = apps->data; - - tmpdir = e_mkdtemp ("app-launcher-XXXXXX"); - - if (!tmpdir) { - GtkWidget *dialog; - - dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, - _("Could not create temporary directory: %s"), - g_strerror (errno)); - - /* FIXME: this should be async */ - gtk_dialog_run ((GtkDialog *) dialog); - gtk_widget_destroy (dialog); - return; - } - - filename = make_safe_filename (tmpdir, part); - - if (!write_data_to_file (part, filename, TRUE)) { - GtkWidget *dialog; - - dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, - _("Could not create temporary file '%s': %s"), - filename, g_strerror (errno)); - - /* FIXME: this should be async */ - gtk_dialog_run ((GtkDialog *) dialog); - gtk_widget_destroy (dialog); - g_free (filename); - return; - } - - command = g_strdup_printf ("%s %s%s &", app->command, - app->expects_uris == GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS ? - "file://" : "", filename); - g_free (filename); - - system (command); - g_free (command); -} - -static void -inline_cb (GtkWidget *widget, gpointer user_data) -{ - MailDisplay *md = g_object_get_data (user_data, "MailDisplay"); - CamelMimePart *part = g_object_get_data (user_data, "CamelMimePart"); - - mail_part_toggle_displayed (part, md); - mail_display_queue_redisplay (md); -} - -static void -save_all_parts_cb (GtkWidget *widget, gpointer user_data) -{ - GtkFileSelection *dir_select = (GtkFileSelection *) - gtk_widget_get_ancestor (widget, GTK_TYPE_FILE_SELECTION); - const char *filename; - char *save_filename, *dir; - struct stat st; - int i; - GPtrArray *attachment_array; - CamelMimePart *part; - GConfClient *gconf; - - gtk_widget_hide (GTK_WIDGET (dir_select)); - - /* Get the selected directory name */ - filename = gtk_file_selection_get_filename (dir_select); - if (stat (filename, &st) == -1 || !S_ISDIR (st.st_mode)) { - GtkWidget *dialog; - - dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, - _("%s is not a valid directory name."), filename); - - /* FIXME: this should be async */ - gtk_dialog_run ((GtkDialog *) dialog); - gtk_widget_destroy (dialog); - gtk_widget_destroy (GTK_WIDGET (dir_select)); - return; - } else { - dir = g_strdup (filename); - } - - /* Now save the attachment one by one */ - attachment_array = (GPtrArray *)user_data; - for (i = 0; i < attachment_array->len; i++) { - part = g_ptr_array_index (attachment_array, i); - save_filename = make_safe_filename (dir, part); - write_data_to_file (part, save_filename, FALSE); - g_free (save_filename); - } - - /* preserve the pathname */ - gconf = mail_config_get_gconf_client (); - gconf_client_set_string (gconf, "/apps/evolution/mail/save_dir", dir, NULL); - g_free (dir); - - gtk_widget_destroy (GTK_WIDGET (dir_select)); -} - -static void -save_all_parts (GPtrArray *attachment_array) -{ - GtkFileSelection *dir_select; - char *dir, *home, *dir2; - GConfClient *gconf; - - g_return_if_fail (attachment_array != NULL); - - home = getenv ("HOME"); - gconf = mail_config_get_gconf_client (); - dir = gconf_client_get_string (gconf, "/apps/evolution/mail/save_dir", NULL); - dir = dir ? dir : (home ? g_strdup (home) : g_strdup ("")); - - /* Make sure dir2 has a '/' as its tail */ - dir2 = g_strdup_printf ("%s/", dir); - g_free (dir); - - dir_select = GTK_FILE_SELECTION ( - gtk_file_selection_new (_("Select Directory for Attachments"))); - gtk_file_selection_set_filename (dir_select, dir2); - gtk_widget_set_sensitive (dir_select->file_list, FALSE); - gtk_widget_hide (dir_select->selection_entry); - g_free (dir2); - - g_signal_connect (dir_select->ok_button, "clicked", - G_CALLBACK (save_all_parts_cb), attachment_array); - g_signal_connect_swapped (dir_select->cancel_button, - "clicked", - G_CALLBACK (gtk_widget_destroy), - dir_select); - - gtk_widget_show (GTK_WIDGET (dir_select)); -} - -static void -save_all_cb (GtkWidget *widget, gpointer user_data) -{ - MailDisplay *md = g_object_get_data (user_data, "MailDisplay"); - GPtrArray *attachment_array; - - if (md == NULL) { - g_warning ("No MailDisplay!"); - return; - } - - attachment_array = g_datalist_get_data (md->data, "attachment_array"); - save_all_parts (attachment_array); -} - -static void -inline_toggle(MailDisplay *md, CamelMimePart *part) -{ - g_return_if_fail(md != NULL); - - mail_part_toggle_displayed (part, md); - mail_display_queue_redisplay (md); -} - -static void -inline_button_clicked(GtkWidget *widget, CamelMimePart *part) -{ - inline_toggle((MailDisplay *)g_object_get_data((GObject *)widget, "MailDisplay"), part); -} - -static gboolean -inline_button_press(GtkWidget *widget, GdkEventKey *event, CamelMimePart *part) -{ - if (event->keyval != GDK_Return) - return FALSE; - - inline_toggle((MailDisplay *)g_object_get_data((GObject *)widget, "MailDisplay"), part); - - return TRUE; -} - -static void -popup_menu_placement_callback(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer user_data) -{ - GtkWidget *widget = (GtkWidget*) user_data; - - gdk_window_get_origin (gtk_widget_get_parent_window (widget), x, y); - *x += widget->allocation.x + widget->allocation.width; - *y += widget->allocation.y; - - return; -} - -static gboolean -pixmap_press (GtkWidget *widget, GdkEvent *event, gpointer user_data) -{ - EPopupMenu *menu; - GtkMenu *gtk_menu; - EPopupMenu save_item = E_POPUP_ITEM (N_("Save Attachment..."), G_CALLBACK (save_cb), 0); - EPopupMenu save_all_item = E_POPUP_ITEM (N_("Save all attachments..."), G_CALLBACK (save_all_cb), 0); - EPopupMenu view_item = E_POPUP_ITEM (N_("View Inline"), G_CALLBACK (inline_cb), 2); - EPopupMenu open_item = E_POPUP_ITEM (N_("Open in %s..."), G_CALLBACK (launch_cb), 1); - MailDisplay *md; - CamelMimePart *part; - MailMimeHandler *handler; - int mask = 0, i, nitems; - int current_item = 0; - - if (event->type == GDK_BUTTON_PRESS) { -#ifdef USE_OLD_DISPLAY_STYLE - if (event->button.button != 3) { - gtk_propagate_event (GTK_WIDGET (user_data), - (GdkEvent *)event); - return TRUE; - } -#endif - - if (event->button.button != 1 && event->button.button != 3) { - gtk_propagate_event (GTK_WIDGET (user_data), - (GdkEvent *)event); - return TRUE; - } - /* Stop the signal, since we don't want the button's class method to - mess up our popup. */ - g_signal_stop_emission_by_name (widget, "button_press_event"); - } else { - if (event->key.keyval != GDK_Return) - return FALSE; - } - - part = g_object_get_data ((GObject *) widget, "CamelMimePart"); - handler = mail_lookup_handler (g_object_get_data ((GObject *) widget, "mime_type")); - - if (handler && handler->applications) - nitems = g_list_length (handler->applications) + 3; - else - nitems = 4; - menu = g_new0 (EPopupMenu, nitems + 1); - - /* Save item */ - memcpy (&menu[current_item], &save_item, sizeof (menu[current_item])); - menu[current_item].name = g_strdup (_(menu[current_item].name)); - current_item++; - - /* Save All item */ - memcpy (&menu[current_item], &save_all_item, sizeof (menu[current_item])); - menu[current_item].name = g_strdup (_(menu[current_item].name)); - current_item++; - - /* Inline view item */ - memcpy (&menu[current_item], &view_item, sizeof (menu[current_item])); - if (handler && handler->builtin) { - md = g_object_get_data ((GObject *) widget, "MailDisplay"); - - if (!mail_part_is_displayed_inline (part, md)) { - if (handler->component) { - Bonobo_ActivationProperty *prop; - char *name; - - prop = bonobo_server_info_prop_find (handler->component, "name"); - if (!prop) { - prop = bonobo_server_info_prop_find (handler->component, - "description"); - } - if (prop && prop->v._d == Bonobo_ACTIVATION_P_STRING) - name = prop->v._u.value_string; - else - name = "bonobo"; - menu[current_item].name = g_strdup_printf (_("View Inline (via %s)"), name); - } else - menu[current_item].name = g_strdup (_(menu[current_item].name)); - } else - menu[current_item].name = g_strdup (_("Hide")); - } else { - menu[current_item].name = g_strdup (_(menu[current_item].name)); - mask |= 2; - } - current_item++; - - /* External views */ - if (handler && handler->applications) { - GnomeVFSMimeApplication *app; - GList *apps; - int i; - - apps = handler->applications; - for (i = current_item; i < nitems; i++, apps = apps->next) { - app = apps->data; - memcpy (&menu[i], &open_item, sizeof (menu[i])); - menu[i].name = g_strdup_printf (_(menu[i].name), app->name); - current_item++; - } - } else { - memcpy (&menu[current_item], &open_item, sizeof (menu[current_item])); - menu[current_item].name = g_strdup_printf (_(menu[current_item].name), _("External Viewer")); - mask |= 1; - } - - gtk_menu = e_popup_menu_create (menu, mask, 0, widget); - e_auto_kill_popup_menu_on_selection_done (gtk_menu); - - if (event->type == GDK_BUTTON_PRESS) - gtk_menu_popup (gtk_menu, NULL, NULL, NULL, (gpointer)widget, event->button.button, event->button.time); - else - gtk_menu_popup (gtk_menu, NULL, NULL, popup_menu_placement_callback, (gpointer)widget, 0, event->key.time); - - for (i = 1; i < nitems; i++) - g_free (menu[i].name); - g_free (menu); - - return TRUE; -} - -static gboolean -pixbuf_uncache (gpointer key) -{ - GdkPixbuf *pixbuf; - - pixbuf = g_hash_table_lookup (thumbnail_cache, key); - g_object_unref (pixbuf); - g_hash_table_remove (thumbnail_cache, key); - g_free (key); - return FALSE; -} - -static gint -pixbuf_gen_idle (struct _PixbufLoader *pbl) -{ - GdkPixbuf *pixbuf, *mini; - gboolean error = FALSE; - char tmp[4096]; - int len, width, height, ratio; - gpointer orig_key; - - /* Get the pixbuf from the cache */ - if (g_hash_table_lookup_extended (thumbnail_cache, pbl->cid, - &orig_key, (gpointer *)&mini)) { - width = gdk_pixbuf_get_width (mini); - height = gdk_pixbuf_get_height (mini); - - gtk_image_set_from_pixbuf ((GtkImage *) pbl->pixmap, mini); - gtk_widget_set_size_request (pbl->pixmap, width, height); - - /* Restart the cache-cleaning timer */ - g_source_remove_by_user_data (orig_key); - g_timeout_add (5 * 60 * 1000, pixbuf_uncache, orig_key); - - if (pbl->loader) { - gdk_pixbuf_loader_close (pbl->loader, NULL); - g_object_unref (pbl->loader); - camel_object_unref (pbl->mstream); - } - - g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); - g_free (pbl->type); - g_free (pbl->cid); - g_free (pbl); - - return FALSE; - } - - /* Not in cache, so get a pixbuf from the wrapper */ - - if (!GTK_IS_WIDGET (pbl->pixmap)) { - /* Widget has died */ - if (pbl->mstream) - camel_object_unref (pbl->mstream); - - if (pbl->loader) { - gdk_pixbuf_loader_close (pbl->loader, NULL); - g_object_unref (pbl->loader); - } - - g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); - g_free (pbl->type); - g_free (pbl->cid); - g_free (pbl); - - return FALSE; - } - - if (pbl->mstream) { - if (pbl->loader == NULL) - pbl->loader = gdk_pixbuf_loader_new (); - - len = camel_stream_read (pbl->mstream, tmp, 4096); - if (len > 0) { - error = !gdk_pixbuf_loader_write (pbl->loader, tmp, len, NULL); - if (!error) - return TRUE; - } else if (!camel_stream_eos (pbl->mstream)) - error = TRUE; - } - - if (error || !pbl->mstream) { - if (pbl->type) - pixbuf = e_icon_for_mime_type (pbl->type, 24); - else - pixbuf = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/pgp-signature-nokey.png", NULL); - } else - pixbuf = gdk_pixbuf_loader_get_pixbuf (pbl->loader); - - if (pixbuf == NULL) { - /* pixbuf is non-existant */ - if (pbl->mstream) - camel_object_unref (pbl->mstream); - - if (pbl->loader) { - gdk_pixbuf_loader_close (pbl->loader, NULL); - g_object_unref (pbl->loader); - } - - g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); - g_free (pbl->type); - g_free (pbl->cid); - g_free (pbl); - - return FALSE; - } - - width = gdk_pixbuf_get_width (pixbuf); - height = gdk_pixbuf_get_height (pixbuf); - - if (width >= height) { - if (width > 24) { - ratio = width / 24; - width = 24; - height /= ratio; - } - } else { - if (height > 24) { - ratio = height / 24; - height = 24; - width /= ratio; - } - } - - mini = gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_BILINEAR); - if (error || !pbl->mstream) - g_object_unref (pixbuf); - - gtk_image_set_from_pixbuf ((GtkImage *) pbl->pixmap, mini); - - /* Add the pixbuf to the cache */ - g_hash_table_insert (thumbnail_cache, pbl->cid, mini); - g_timeout_add (5 * 60 * 1000, pixbuf_uncache, pbl->cid); - - g_signal_handler_disconnect (pbl->eb, pbl->destroy_id); - if (pbl->loader) { - gdk_pixbuf_loader_close (pbl->loader, NULL); - g_object_unref (pbl->loader); - camel_object_unref (pbl->mstream); - } - - g_free (pbl->type); - g_free (pbl); - - return FALSE; -} - -/* Stop the idle function and free the pbl structure - as the widget that the pixbuf was to be rendered to - has died on us. */ -static void -embeddable_destroy_cb (GtkObject *embeddable, struct _PixbufLoader *pbl) -{ - g_idle_remove_by_data (pbl); - if (pbl->mstream) - camel_object_unref (pbl->mstream); - - if (pbl->loader) { - gdk_pixbuf_loader_close (pbl->loader, NULL); - g_object_unref (pbl->loader); - } - - g_free (pbl->type); - g_free (pbl->cid); - g_free (pbl); -}; - -static GtkWidget * -get_embedded_for_component (const char *iid, MailDisplay *md) -{ - GtkWidget *embedded; - BonoboControlFrame *control_frame; - Bonobo_PropertyBag prop_bag; - - /* - * First try a control. - */ - embedded = bonobo_widget_new_control (iid, NULL); - if (embedded == NULL) { -#warning "what about bonobo_widget_new_subdoc?" -#if 0 - /* - * No control, try an embeddable instead. - */ - embedded = bonobo_widget_new_subdoc (iid, NULL); - if (embedded != NULL) { - /* FIXME: as of bonobo 0.18, there's an extra - * client_site dereference in the BonoboWidget - * destruction path that we have to balance out to - * prevent problems. - */ - bonobo_object_ref (BONOBO_OBJECT (bonobo_widget_get_client_site ( - BONOBO_WIDGET (embedded)))); - - return embedded; - } -#endif - } - - if (embedded == NULL) - return NULL; - - control_frame = bonobo_widget_get_control_frame (BONOBO_WIDGET (embedded)); - - prop_bag = bonobo_control_frame_get_control_property_bag (control_frame, NULL); - - if (prop_bag != CORBA_OBJECT_NIL) { - CORBA_Environment ev; - /* - * Now we can take care of business. Currently, the only control - * that needs something passed to it through a property bag is - * the iTip control, and it needs only the From email address, - * but perhaps in the future we can generalize this section of code - * to pass a bunch of useful things to all embedded controls. - */ - const CamelInternetAddress *from; - char *from_address; - - CORBA_exception_init (&ev); - - from = camel_mime_message_get_from (md->current_message); - from_address = camel_address_encode ((CamelAddress *) from); - bonobo_property_bag_client_set_value_string ( - prop_bag, "from_address", - from_address, &ev); - g_free (from_address); - - Bonobo_Unknown_unref (prop_bag, &ev); - CORBA_exception_free (&ev); - } - - return embedded; -} - -static void * -save_url (MailDisplay *md, const char *url) -{ - GHashTable *urls; - CamelMimePart *part; - - urls = g_datalist_get_data (md->data, "part_urls"); - g_return_val_if_fail (url != NULL, NULL); - g_return_val_if_fail (urls != NULL, NULL); - - part = g_hash_table_lookup (urls, url); - if (part == NULL) { - CamelDataWrapper *wrapper; - CamelStream *stream = NULL; - const char *name; - - /* See if it's some piece of cached data if it is then pretend it - * is a mime part so that we can use the mime part saving routines. - * It is gross but it keeps duplicated code to a minimum and helps - * out with ref counting and the like. - */ - name = strrchr (url, '/'); - name = name ? name : url; - - if (fetch_cache) { - /* look in the soup cache */ - stream = camel_data_cache_get(fetch_cache, FETCH_HTTP_CACHE, url, NULL); - } else { - GByteArray *ba = NULL; - - urls = g_datalist_get_data (md->data, "data_urls"); - g_return_val_if_fail (urls != NULL, NULL); - - ba = g_hash_table_lookup (urls, url); - if (ba) { - /* we have to copy the data here since the ba may be long gone - * by the time the user actually saves the file - */ - stream = camel_stream_mem_new_with_buffer (ba->data, ba->len); - } - } - - if (stream) { - wrapper = camel_data_wrapper_new (); - camel_data_wrapper_construct_from_stream (wrapper, stream); - camel_object_unref (stream); - part = camel_mime_part_new (); - camel_medium_set_content_object (CAMEL_MEDIUM (part), wrapper); - camel_object_unref (wrapper); - camel_mime_part_set_filename (part, name); - } - } else { - camel_object_ref (part); - } - - if (part) { - CamelDataWrapper *data; - - g_return_val_if_fail (CAMEL_IS_MIME_PART (part), NULL); - - data = camel_medium_get_content_object ((CamelMedium *)part); - if (!mail_content_loaded (data, md, TRUE, NULL, NULL, NULL)) { - return NULL; - } - - save_part (part); - camel_object_unref (part); - return NULL; - } - - g_warning ("Data for url: \"%s\" not found", url); - - return NULL; -} - -static void -drag_data_get_cb (GtkWidget *widget, - GdkDragContext *drag_context, - GtkSelectionData *selection_data, - guint info, - guint time, - gpointer user_data) -{ - CamelMimePart *part = user_data; - const char *filename, *tmpdir; - char *uri_list; - - switch (info) { - case DND_TARGET_TYPE_TEXT_URI_LIST: - /* Kludge around Nautilus requesting the same data many times */ - uri_list = g_object_get_data ((GObject *) widget, "uri-list"); - if (uri_list) { - gtk_selection_data_set (selection_data, selection_data->target, 8, - uri_list, strlen (uri_list)); - return; - } - - tmpdir = e_mkdtemp ("drag-n-drop-XXXXXX"); - if (!tmpdir) { - GtkWidget *dialog; - - dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_ERROR, GTK_RESPONSE_CLOSE, - _("Could not create temporary directory: %s"), - g_strerror (errno)); - - /* FIXME: this should be async */ - gtk_dialog_run ((GtkDialog *) dialog); - gtk_widget_destroy (dialog); - } - - filename = camel_mime_part_get_filename (part); - /* This is the default filename used for dnd temporary target of attachment */ - if (!filename) - filename = _("Unknown"); - - uri_list = g_strdup_printf ("file://%s/%s", tmpdir, filename); - - if (!write_data_to_file (part, uri_list + 7, TRUE)) { - g_free (uri_list); - return; - } - - gtk_selection_data_set (selection_data, selection_data->target, 8, - uri_list, strlen (uri_list)); - - g_object_set_data_full ((GObject *) widget, "uri-list", uri_list, g_free); - break; - case DND_TARGET_TYPE_PART_MIME_TYPE: - if (header_content_type_is (((CamelDataWrapper *) part)->mime_type, "text", "*")) { - GByteArray *ba; - - ba = mail_format_get_data_wrapper_text ((CamelDataWrapper *) part, NULL); - if (ba) { - gtk_selection_data_set (selection_data, selection_data->target, 8, - ba->data, ba->len); - g_byte_array_free (ba, TRUE); - } - } else { - CamelDataWrapper *wrapper; - CamelStreamMem *mem; - - mem = (CamelStreamMem *) camel_stream_mem_new (); - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - camel_data_wrapper_decode_to_stream (wrapper, (CamelStream *) mem); - - gtk_selection_data_set (selection_data, selection_data->target, 8, - mem->buffer->data, mem->buffer->len); - - camel_object_unref (mem); - } - break; - default: - g_assert_not_reached (); - } -} - -static void -drag_data_delete_cb (GtkWidget *widget, - GdkDragContext *drag_context, - gpointer user_data) -{ - char *uri_list; - - uri_list = g_object_get_data ((GObject *) widget, "uri-list"); - if (uri_list) { - unlink (uri_list + 7); - g_object_set_data ((GObject *) widget, "uri-list", NULL); - } -} - -/* This is a wrapper function */ -void ptr_array_free_notify (gpointer array) -{ - g_ptr_array_free ((GPtrArray *) array, TRUE); -} - -static gboolean -do_attachment_header (GtkHTML *html, GtkHTMLEmbedded *eb, - CamelMimePart *part, MailDisplay *md) -{ - GtkWidget *button, *mainbox, *hbox, *arrow, *popup; - MailMimeHandler *handler; - struct _PixbufLoader *pbl; - GPtrArray *attachment_array; - - pbl = g_new0 (struct _PixbufLoader, 1); - if (strncasecmp (eb->type, "image/", 6) == 0) { - CamelDataWrapper *content; - - content = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - if (!camel_data_wrapper_is_offline (content)) { - pbl->mstream = camel_stream_mem_new (); - camel_data_wrapper_decode_to_stream (content, pbl->mstream); - camel_stream_reset (pbl->mstream); - } - } - - pbl->type = g_strdup (eb->type); - pbl->cid = g_strdup (eb->classid + 6); - pbl->pixmap = gtk_image_new(); - gtk_widget_set_size_request (pbl->pixmap, 24, 24); - pbl->eb = eb; - pbl->destroy_id = g_signal_connect (eb, "destroy", G_CALLBACK (embeddable_destroy_cb), pbl); - - g_idle_add_full (G_PRIORITY_LOW, (GSourceFunc) pixbuf_gen_idle, pbl, NULL); - - mainbox = gtk_hbox_new (FALSE, 0); - - button = gtk_button_new (); - g_object_set_data ((GObject *) button, "MailDisplay", md); - - handler = mail_lookup_handler (eb->type); - if (handler && handler->builtin) { - g_signal_connect (button, "clicked", G_CALLBACK (inline_button_clicked), part); - g_signal_connect (button, "key_press_event", G_CALLBACK (inline_button_press), part); - } else { - gtk_widget_set_sensitive (button, FALSE); - GTK_WIDGET_UNSET_FLAGS (button, GTK_CAN_FOCUS); - } - - /* Drag & Drop */ - drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target = header_content_type_simple (((CamelDataWrapper *) part)->mime_type); - camel_strdown (drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target); - - gtk_drag_source_set (button, GDK_BUTTON1_MASK, - drag_types, num_drag_types, - GDK_ACTION_COPY); - g_signal_connect (button, "drag-data-get", G_CALLBACK (drag_data_get_cb), part); - g_signal_connect (button, "drag-data-delete", G_CALLBACK (drag_data_delete_cb), part); - - g_free (drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target); - drag_types[DND_TARGET_TYPE_PART_MIME_TYPE].target = NULL; - - hbox = gtk_hbox_new (FALSE, 2); - gtk_container_set_border_width (GTK_CONTAINER (hbox), 2); - - /* should this be a gtk_arrow? */ - if (handler && mail_part_is_displayed_inline (part, md)) - arrow = gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON); - else - arrow = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD, GTK_ICON_SIZE_BUTTON); - gtk_box_pack_start (GTK_BOX (hbox), arrow, TRUE, TRUE, 0); - gtk_box_pack_start (GTK_BOX (hbox), pbl->pixmap, TRUE, TRUE, 0); - gtk_container_add (GTK_CONTAINER (button), hbox); - - popup = gtk_button_new (); - gtk_container_add (GTK_CONTAINER (popup), - gtk_arrow_new (GTK_ARROW_DOWN, - GTK_SHADOW_ETCHED_IN)); - - g_object_set_data ((GObject *) popup, "MailDisplay", md); - g_object_set_data ((GObject *) popup, "CamelMimePart", part); - g_object_set_data_full ((GObject *) popup, "mime_type", g_strdup (eb->type), (GDestroyNotify) g_free); - - /* Save attachment pointer in an array for "save all attachment" use */ - attachment_array = g_datalist_get_data (md->data, "attachment_array"); - if (!attachment_array) { - attachment_array = g_ptr_array_new (); - g_datalist_set_data_full (md->data, "attachment_array", - attachment_array, (GDestroyNotify) ptr_array_free_notify); - } - /* Since the attachment pointer might have been added to the array before, - remove it first anyway to avoide duplication */ - g_ptr_array_remove (attachment_array, part); - g_ptr_array_add (attachment_array, part); - - - g_signal_connect (popup, "button_press_event", G_CALLBACK (pixmap_press), md->scroll); - g_signal_connect (popup, "key_press_event", G_CALLBACK (pixmap_press), md->scroll); - - gtk_box_pack_start (GTK_BOX (mainbox), button, TRUE, TRUE, 0); - gtk_box_pack_start (GTK_BOX (mainbox), popup, TRUE, TRUE, 0); - gtk_widget_show_all (mainbox); - - gtk_container_add (GTK_CONTAINER (eb), mainbox); - - return TRUE; -} - -static gboolean -do_external_viewer (GtkHTML *html, GtkHTMLEmbedded *eb, - CamelMimePart *part, MailDisplay *md) -{ - CamelDataWrapper *wrapper; - Bonobo_ServerInfo *component; - GtkWidget *embedded; - Bonobo_PersistStream persist; - CORBA_Environment ev; - CamelStreamMem *cstream; - BonoboStream *bstream; - MailMimeHandler *handler; - - handler = mail_lookup_handler (eb->type); - if (!handler || !handler->is_bonobo) - return FALSE; - - component = gnome_vfs_mime_get_default_component (eb->type); - if (!component) - return FALSE; - - embedded = get_embedded_for_component (component->iid, md); - CORBA_free (component); - if (!embedded) - return FALSE; - - persist = (Bonobo_PersistStream) Bonobo_Unknown_queryInterface ( - bonobo_widget_get_objref (BONOBO_WIDGET (embedded)), - "IDL:Bonobo/PersistStream:1.0", NULL); - - if (persist == CORBA_OBJECT_NIL) { - gtk_object_sink (GTK_OBJECT (embedded)); - return FALSE; - } - - /* Write the data to a CamelStreamMem... */ - cstream = (CamelStreamMem *) camel_stream_mem_new (); - wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part)); - camel_data_wrapper_decode_to_stream (wrapper, (CamelStream *)cstream); - - /* ...convert the CamelStreamMem to a BonoboStreamMem... */ - bstream = bonobo_stream_mem_create (cstream->buffer->data, cstream->buffer->len, TRUE, FALSE); - camel_object_unref (cstream); - - /* ...and hydrate the PersistStream from the BonoboStream. */ - CORBA_exception_init (&ev); - Bonobo_PersistStream_load (persist, - bonobo_object_corba_objref (BONOBO_OBJECT (bstream)), - eb->type, &ev); - bonobo_object_unref (BONOBO_OBJECT (bstream)); - Bonobo_Unknown_unref (persist, &ev); - CORBA_Object_release (persist, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) { - gtk_object_sink (GTK_OBJECT (embedded)); - CORBA_exception_free (&ev); - return FALSE; - } - CORBA_exception_free (&ev); - - gtk_widget_show (embedded); - gtk_container_add (GTK_CONTAINER (eb), embedded); - - return TRUE; -} - -static gboolean -do_signature (GtkHTML *html, GtkHTMLEmbedded *eb, - CamelMimePart *part, MailDisplay *md) -{ - GtkWidget *button; - struct _PixbufLoader *pbl; - - pbl = g_new0 (struct _PixbufLoader, 1); - pbl->type = NULL; - pbl->cid = g_strdup (eb->classid); - pbl->pixmap = gtk_image_new (); - gtk_widget_set_size_request (pbl->pixmap, 24, 24); - pbl->eb = eb; - pbl->destroy_id = g_signal_connect (eb, "destroy", G_CALLBACK (embeddable_destroy_cb), pbl); - - g_idle_add_full (G_PRIORITY_LOW, (GSourceFunc) pixbuf_gen_idle, pbl, NULL); - - button = gtk_button_new (); - g_object_set_data ((GObject *) button, "MailDisplay", md); - g_signal_connect (button, "clicked", G_CALLBACK (inline_button_clicked), part); - g_signal_connect (button, "key_press_event", G_CALLBACK (inline_button_press), part); - - gtk_container_add (GTK_CONTAINER (button), pbl->pixmap); - gtk_widget_show_all (button); - gtk_container_add (GTK_CONTAINER (eb), button); - - return TRUE; -} - -static gboolean -on_object_requested (GtkHTML *html, GtkHTMLEmbedded *eb, gpointer data) -{ - MailDisplay *md = data; - GHashTable *urls; - CamelMimePart *part; - - if (!eb->classid) - return FALSE; - - urls = g_datalist_get_data (md->data, "part_urls"); - if (!urls) - return FALSE; - - if (!strncmp (eb->classid, "popup:", 6) && eb->type) { - part = g_hash_table_lookup (urls, eb->classid + 6); - if (!CAMEL_IS_MIME_PART (part)) - return FALSE; - return do_attachment_header (html, eb, part, md); - } else if (!strncmp (eb->classid, "signature:", 10)) { - part = g_hash_table_lookup (urls, eb->classid); - if (!CAMEL_IS_MIME_PART (part)) - return FALSE; - return do_signature (html, eb, part, md); - } else if (!strncmp (eb->classid, "cid:", 4) && eb->type) { - part = g_hash_table_lookup (urls, eb->classid); - if (!CAMEL_IS_MIME_PART (part)) - return FALSE; - return do_external_viewer (html, eb, part, md); - } - - return FALSE; -} - -static void -ebook_callback (EBook *book, const gchar *addr, ECard *card, gpointer data) -{ - MailDisplay *md = data; - - if (card && md->current_message) { - const CamelInternetAddress *from = camel_mime_message_get_from (md->current_message); - const char *md_name = NULL, *md_addr = NULL; - - /* We are extra anal, in case we are dealing with some sort of pathological message - w/o a From: header. */ - if (from != NULL && camel_internet_address_get (from, 0, &md_name, &md_addr)) { - if (md_addr != NULL && !strcmp (addr, md_addr)) - mail_display_load_images (md); - } - } -} - -static void -on_url_requested (GtkHTML *html, const char *url, GtkHTMLStream *handle, - gpointer user_data) -{ - MailDisplay *md = user_data; - GConfClient *gconf; - GHashTable *urls; - CamelMedium *medium; - GByteArray *ba; - - gconf = mail_config_get_gconf_client (); - - urls = g_datalist_get_data (md->data, "part_urls"); - g_return_if_fail (urls != NULL); - - /* See if it refers to a MIME part (cid: or http:) */ - medium = g_hash_table_lookup (urls, url); - if (medium) { - CamelContentType *content_type; - CamelDataWrapper *wrapper; - CamelStream *html_stream; - - g_return_if_fail (CAMEL_IS_MEDIUM (medium)); - - if (md->related) - g_hash_table_remove (md->related, medium); - - wrapper = camel_medium_get_content_object (medium); - if (!mail_content_loaded (wrapper, md, FALSE, url, html, handle)) - return; - - content_type = camel_data_wrapper_get_mime_type_field (wrapper); - - html_stream = mail_display_stream_new (html, handle); - - if (header_content_type_is (content_type, "text", "*")) { - mail_format_data_wrapper_write_to_stream (wrapper, TRUE, md, html_stream); - } else { - camel_data_wrapper_decode_to_stream (wrapper, html_stream); - } - - camel_object_unref (html_stream); - - gtk_html_end (html, handle, GTK_HTML_STREAM_OK); - return; - } - - urls = g_datalist_get_data (md->data, "data_urls"); - g_return_if_fail (urls != NULL); - - /* See if it's some piece of cached data */ - ba = g_hash_table_lookup (urls, url); - if (ba) { - if (ba->len) { - gtk_html_write (html, handle, ba->data, ba->len); - /* printf ("-- begin --\n"); - printf (ba->data); - printf ("-- end --\n"); */ - } - gtk_html_end (html, handle, GTK_HTML_STREAM_OK); - return; - } - - /* See if it's something we can load. */ - if (strncmp (url, "http:", 5) == 0 || strncmp (url, "https:", 6) == 0) { - int http_mode; - - http_mode = gconf_client_get_int (gconf, "/apps/evolution/mail/display/load_http_images", NULL); - if (http_mode == MAIL_CONFIG_HTTP_ALWAYS || - g_datalist_get_data (md->data, "load_images")) { - fetch_remote (md, url, html, handle); - } else if (http_mode == MAIL_CONFIG_HTTP_SOMETIMES && - !g_datalist_get_data (md->data, "checking_from")) { - const CamelInternetAddress *from; - const char *name, *addr; - - from = camel_mime_message_get_from (md->current_message); - g_datalist_set_data (md->data, "checking_from", GINT_TO_POINTER (1)); - - /* Make sure we aren't deal w/ some sort of a - pathological message w/o a From: header */ - if (from != NULL && camel_internet_address_get (from, 0, &name, &addr)) - e_book_query_address_default (addr, ebook_callback, md); - else - gtk_html_end (html, handle, GTK_HTML_STREAM_ERROR); - } - } -} - -/* for processing asynchronous url fetch cancels */ -static struct _mail_msg_op fetch_fake_op = { - NULL, NULL, NULL, NULL, -}; - -static gboolean -fetch_cancelled (GIOChannel *source, GIOCondition cond, void *user_data) -{ - fetch_cancel ((MailDisplay *) user_data); - - return FALSE; -} - -static void -fetch_next (MailDisplay *md) -{ - struct _remote_data *rd; - struct _MailDisplayPrivate *p = md->priv; - SoupMessage *msg; - SoupContext *ctx; - - /* if we're called and no more work to do, clean up, otherwise, setup */ - if (e_dlist_empty(&p->fetch_active) && e_dlist_empty(&p->fetch_queue)) { - if (p->fetch_msg) { - p->fetch_total = 0; - mail_disable_stop(); - camel_operation_end(p->fetch_msg->cancel); - camel_operation_unregister(p->fetch_msg->cancel); - mail_msg_free(p->fetch_msg); - p->fetch_msg = NULL; - g_source_remove(p->fetch_cancel_watch); - g_io_channel_unref(p->fetch_cancel_channel); - } - } else { - if (p->fetch_msg == NULL) { - p->fetch_total_done = 0; - p->fetch_msg = mail_msg_new(&fetch_fake_op, NULL, sizeof(*p->fetch_msg)); - camel_operation_register(p->fetch_msg->cancel); - camel_operation_start(p->fetch_msg->cancel, _("Downloading images")); - p->fetch_cancel_channel = g_io_channel_unix_new(camel_operation_cancel_fd(p->fetch_msg->cancel)); - p->fetch_cancel_watch = g_io_add_watch(p->fetch_cancel_channel, G_IO_IN, fetch_cancelled, md); - mail_enable_stop(); - } - } - - while (e_dlist_length(&p->fetch_active) < FETCH_MAX_CONNECTIONS - && (rd = (struct _remote_data *)e_dlist_remhead(&p->fetch_queue))) { - - ctx = soup_context_get(rd->uri); - rd->msg = msg = soup_message_new(ctx, SOUP_METHOD_GET); - - if (ctx) - soup_context_unref(ctx); - - soup_message_set_flags(msg, SOUP_MESSAGE_OVERWRITE_CHUNKS); - soup_message_add_handler(msg, SOUP_HANDLER_BODY_CHUNK, fetch_data, rd); - e_dlist_addtail(&p->fetch_active, (EDListNode *)rd); - soup_message_queue(msg, fetch_done, rd); - } -} - -static void fetch_remote(MailDisplay *md, const char *uri, GtkHTML *html, GtkHTMLStream *stream) -{ - struct _remote_data *rd; - CamelStream *cstream = NULL; - - if (fetch_cache) { - cstream = camel_data_cache_get(fetch_cache, FETCH_HTTP_CACHE, uri, NULL); - if (cstream) { - char buf[1024]; - ssize_t len; - - /* need to verify header? */ - - while (!camel_stream_eos(cstream)) { - len = camel_stream_read(cstream, buf, 1024); - if (len > 0) { - gtk_html_write(html, stream, buf, len); - } else if (len < 0) { - gtk_html_end(html, stream, GTK_HTML_STREAM_ERROR); - camel_object_unref(cstream); - return; - } - } - gtk_html_end(html, stream, GTK_HTML_STREAM_OK); - camel_object_unref(cstream); - return; - } - cstream = camel_data_cache_add(fetch_cache, FETCH_HTTP_CACHE, uri, NULL); - } - - rd = g_malloc0(sizeof(*rd)); - rd->md = md; /* dont ref */ - rd->uri = g_strdup(uri); - rd->html = html; - g_object_ref(html); - rd->stream = stream; - rd->cstream = cstream; - - md->priv->fetch_total++; - e_dlist_addtail(&md->priv->fetch_queue, (EDListNode *)rd); - - fetch_next(md); -} - -static void fetch_data(SoupMessage *req, void *data) -{ - struct _remote_data *rd = data, *wd; - struct _MailDisplayPrivate *p = rd->md->priv; - int count; - double complete; - - /* we could just hook into the header function for this, but i'm lazy today */ - if (rd->total == 0) { - const char *cl = soup_message_get_header(req->response_headers, "content-length"); - if (cl) - rd->total = strtoul(cl, 0, 10); - else - rd->total = 0; - } - rd->length += req->response.length; - - gtk_html_write(rd->html, rd->stream, req->response.body, req->response.length); - - /* copy to cache, clear cache if we get a cache failure */ - if (rd->cstream) { - if (camel_stream_write(rd->cstream, req->response.body, req->response.length) == -1) { - camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); - camel_object_unref(rd->cstream); - rd->cstream = NULL; - } - } - - /* update based on total active + finished totals */ - complete = 0.0; - wd = (struct _remote_data *)p->fetch_active.head; - count = e_dlist_length(&p->fetch_active); - while (wd->next) { - if (wd->total) - complete += (double)wd->length / wd->total / count; - wd = wd->next; - } - - d(printf("%s: %f total %f (%d,%d)\n", rd->uri, complete, (p->fetch_total_done + complete ) * 100.0 / p->fetch_total, p->fetch_total, p->fetch_total_done)); - - camel_operation_progress(p->fetch_msg->cancel, (p->fetch_total_done + complete ) * 100.0 / p->fetch_total); -} - -static void fetch_free(struct _remote_data *rd) -{ - g_object_unref(rd->html); - if (rd->cstream) - camel_object_unref(rd->cstream); - g_free(rd->uri); - g_free(rd); -} - -static void fetch_done(SoupMessage *req, void *data) -{ - struct _remote_data *rd = data; - MailDisplay *md = rd->md; - - if (SOUP_MESSAGE_IS_ERROR(req)) { - d(printf("Loading '%s' failed!\n", rd->uri)); - gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_ERROR); - if (fetch_cache) - camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); - } else { - d(printf("Loading '%s' complete!\n", rd->uri)); - gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_OK); - } - - e_dlist_remove((EDListNode *)rd); - fetch_free(rd); - md->priv->fetch_total_done++; - - fetch_next(md); -} - -static void fetch_cancel(MailDisplay *md) -{ - struct _remote_data *rd; - - /* first, clean up all the ones we haven't finished yet */ - while ((rd = (struct _remote_data *)e_dlist_remhead(&md->priv->fetch_queue))) { - gtk_html_end(rd->html, rd->stream, GTK_HTML_STREAM_ERROR); - if (fetch_cache) - camel_data_cache_remove(fetch_cache, FETCH_HTTP_CACHE, rd->uri, NULL); - fetch_free(rd); - } - - /* cancel the rest, cancellation will free it/etc */ - while (!e_dlist_empty(&md->priv->fetch_active)) { - rd = (struct _remote_data *)md->priv->fetch_active.head; - soup_message_cancel(rd->msg); - } -} - -struct _load_content_msg { - struct _mail_msg msg; - - MailDisplay *display; - GtkHTML *html; - - GtkHTMLStream *handle; - int redisplay_counter; - char *url; - CamelMimeMessage *message; - void (*callback)(MailDisplay *, gpointer); - gpointer data; -}; - -static char * -load_content_desc (struct _mail_msg *mm, int done) -{ - return g_strdup (_("Loading message content")); -} - -static void -load_content_load (struct _mail_msg *mm) -{ - struct _load_content_msg *m = (struct _load_content_msg *)mm; - - m->callback (m->display, m->data); -} - -static gboolean -try_part_urls (struct _load_content_msg *m) -{ - GHashTable *urls; - CamelMedium *medium; - - urls = g_datalist_get_data (m->display->data, "part_urls"); - g_return_val_if_fail (urls != NULL, FALSE); - - /* See if it refers to a MIME part (cid: or http:) */ - medium = g_hash_table_lookup (urls, m->url); - if (medium) { - CamelDataWrapper *data; - CamelStream *html_stream; - - g_return_val_if_fail (CAMEL_IS_MEDIUM (medium), FALSE); - - data = camel_medium_get_content_object (medium); - if (!mail_content_loaded (data, m->display, FALSE, m->url, m->html, m->handle)) { - g_warning ("This code should not be reached\n"); - return TRUE; - } - - html_stream = mail_display_stream_new (m->html, m->handle); - camel_data_wrapper_decode_to_stream (data, html_stream); - camel_object_unref (html_stream); - - gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_OK); - return TRUE; - } - - return FALSE; -} - -static gboolean -try_data_urls (struct _load_content_msg *m) -{ - GHashTable *urls; - GByteArray *ba; - - urls = g_datalist_get_data (m->display->data, "data_urls"); - ba = g_hash_table_lookup (urls, m->url); - - if (ba) { - if (ba->len) - gtk_html_write (m->html, m->handle, ba->data, ba->len); - gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_OK); - return TRUE; - } - - return FALSE; -} - -static void -load_content_loaded (struct _mail_msg *mm) -{ - struct _load_content_msg *m = (struct _load_content_msg *)mm; - - if (m->display->destroyed) - return; - - if (m->display->current_message == m->message) { - if (m->handle) { - if (m->redisplay_counter == m->display->redisplay_counter) { - if (!try_part_urls (m) && !try_data_urls (m)) - gtk_html_end (m->html, m->handle, GTK_HTML_STREAM_ERROR); - } - } else { - mail_display_redisplay (m->display, FALSE); - } - } -} - -static void -load_content_free (struct _mail_msg *mm) -{ - struct _load_content_msg *m = (struct _load_content_msg *)mm; - - g_free (m->url); - g_object_unref (m->html); - g_object_unref (m->display); - camel_object_unref (m->message); -} - -static struct _mail_msg_op load_content_op = { - load_content_desc, - load_content_load, - load_content_loaded, - load_content_free, -}; - -static void -stream_write_or_redisplay_when_loaded (MailDisplay *md, - GtkHTML *html, - gconstpointer key, - const gchar *url, - void (*callback)(MailDisplay *, gpointer), - GtkHTMLStream *handle, - gpointer data) -{ - struct _load_content_msg *m; - GHashTable *loading; - - if (md->destroyed) - return; - - loading = g_datalist_get_data (md->data, "loading"); - if (loading) { - if (g_hash_table_lookup (loading, key)) - return; - } else { - loading = g_hash_table_new (NULL, NULL); - g_datalist_set_data_full (md->data, "loading", loading, - (GDestroyNotify) g_hash_table_destroy); - } - g_hash_table_insert (loading, (gpointer) key, GINT_TO_POINTER (1)); - - m = mail_msg_new (&load_content_op, NULL, sizeof (*m)); - m->display = md; - g_object_ref((m->display)); - m->html = html; - g_object_ref((html)); - m->handle = handle; - m->url = g_strdup (url); - m->redisplay_counter = md->redisplay_counter; - m->message = md->current_message; - camel_object_ref (m->message); - m->callback = callback; - m->data = data; - - e_thread_put (mail_thread_queued, (EMsg *)m); - return; -} - -void -mail_display_stream_write_when_loaded (MailDisplay *md, - gconstpointer key, - const char *url, - void (*callback)(MailDisplay *, gpointer), - GtkHTML *html, - GtkHTMLStream *handle, - gpointer data) -{ - stream_write_or_redisplay_when_loaded (md, html, key, url, callback, handle, data); -} - -void -mail_display_redisplay_when_loaded (MailDisplay *md, - gconstpointer key, - void (*callback)(MailDisplay *, gpointer), - GtkHTML *html, - gpointer data) -{ - stream_write_or_redisplay_when_loaded (md, html, key, NULL, callback, NULL, data); -} - -void -mail_text_write (MailDisplayStream *stream, MailDisplay *md, CamelMimePart *part, - int idx, gboolean printing, const char *text) -{ - CamelStreamFilter *filtered_stream; - CamelMimeFilter *html_filter; - GConfClient *gconf; - guint32 flags, rgb; - GdkColor colour; - char *buf; - - gconf = mail_config_get_gconf_client (); - - flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; - - if (!printing) - flags |= CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES; - - if (!printing && gconf_client_get_bool (gconf, "/apps/evolution/mail/display/mark_citations", NULL)) - flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; - - buf = gconf_client_get_string (gconf, "/apps/evolution/mail/display/citation_colour", NULL); - gdk_color_parse (buf ? buf : "#737373", &colour); - g_free (buf); - - rgb = ((colour.red & 0xff00) << 8) | (colour.green & 0xff00) | ((colour.blue & 0xff00) >> 8); - html_filter = camel_mime_filter_tohtml_new (flags, rgb); - filtered_stream = camel_stream_filter_new_with_stream ((CamelStream *) stream); - camel_stream_filter_add (filtered_stream, html_filter); - camel_object_unref (html_filter); - - camel_stream_write ((CamelStream *) stream, "<tt>\n", 5); - camel_stream_write ((CamelStream *) filtered_stream, text, strlen (text)); - camel_stream_flush ((CamelStream *) filtered_stream); - camel_stream_write ((CamelStream *) stream, "</tt>\n", 6); - camel_object_unref (filtered_stream); - -#if 0 - /* this was the old way of doing it, I don't understand why we need iframes... */ - GByteArray *ba; - char *xed, *iframe; - char *btt = "<tt>\n"; - char *ett = "</tt>\n"; - char *htmltext; - guint32 flags; - - flags = CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | CAMEL_MIME_FILTER_TOHTML_CONVERT_SPACES; - - if (!printing) - flags |= CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS | CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES; - - if (!printing && mail_config_get_citation_highlight ()) - flags |= CAMEL_MIME_FILTER_TOHTML_MARK_CITATION; - - htmltext = camel_text_to_html (text, flags, mail_config_get_citation_color ()); - - ba = g_byte_array_new (); - g_byte_array_append (ba, (const guint8 *) btt, strlen (btt) + 1); - g_byte_array_append (ba, (const guint8 *) htmltext, strlen (htmltext) + 1); - g_byte_array_append (ba, (const guint8 *) ett, strlen (ett) + 1); - g_free (htmltext); - - xed = g_strdup_printf ("x-evolution-data:%p-%d", part, idx); - iframe = g_strdup_printf ("<iframe src=\"%s\" frameborder=0 scrolling=no>could not get %s</iframe>", xed, xed); - mail_display_add_url (md, "data_urls", xed, ba); - camel_stream_write ((CamelStream *) stream, iframe, strlen (iframe)); - g_free (iframe); -#endif -} - -void -mail_error_printf (MailDisplayStream *stream, const char *format, ...) -{ - /* FIXME: it'd be nice if camel-stream had a vprintf method... */ - char *buf, *htmltext; - va_list ap; - - va_start (ap, format); - buf = g_strdup_vprintf (format, ap); - va_end (ap); - - htmltext = camel_text_to_html (buf, CAMEL_MIME_FILTER_TOHTML_CONVERT_NL | - CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS, 0); - g_free (buf); - - camel_stream_printf ((CamelStream *) stream, "<em><font color=red>"); - camel_stream_write ((CamelStream *) stream, htmltext, strlen (htmltext)); - camel_stream_printf ((CamelStream *) stream, "</font></em>"); - - g_free (htmltext); -} - - -#define COLOR_IS_LIGHT(r, g, b) ((r + g + b) > (128 * 3)) - -#define HTML_HEADER "<!doctype html public \"-//W3C//DTD HTML 4.0 TRANSITIONAL//EN\">\n<html>\n" \ - "<head>\n<meta name=\"generator\" content=\"Evolution Mail Component\">\n</head>\n" - -void -mail_display_render (MailDisplay *md, GtkHTML *html, gboolean reset_scroll) -{ - const char *flag, *completed; - GtkHTMLStream *html_stream; - MailDisplayStream *stream; - - g_return_if_fail (IS_MAIL_DISPLAY (md)); - g_return_if_fail (GTK_IS_HTML (html)); - - if (!md->html) { - /* we've been destroyed */ - return; - } - - html_stream = gtk_html_begin (html); - if (!reset_scroll) { - /* This is a hack until there's a clean way to do this. */ - GTK_HTML (md->html)->engine->newPage = FALSE; - } - - gtk_html_stream_write (html_stream, HTML_HEADER, sizeof (HTML_HEADER) - 1); - - if (md->current_message && md->display_style == MAIL_CONFIG_DISPLAY_SOURCE) - gtk_html_stream_write (html_stream, "<body>\n", 7); - else - gtk_html_stream_write (html_stream, "<body marginwidth=0 marginheight=0>\n", 36); - - flag = md->info ? camel_tag_get (&md->info->user_tags, "follow-up") : NULL; - completed = md->info ? camel_tag_get (&md->info->user_tags, "completed-on") : NULL; - if ((flag && *flag) && !(completed && *completed)) { - const char *due_by, *overdue = ""; - char bgcolor[7], fontcolor[7]; - time_t target_date, now; - GtkStyle *style = NULL; - char due_date[256]; - struct tm due; - int offset; - - /* my favorite thing to do... muck around with colors so we respect people's stupid themes. */ - /* FIXME: this is also in mail-format.c */ - style = gtk_widget_get_style (GTK_WIDGET (html)); - if (style && !md->printing) { - int state = GTK_WIDGET_STATE (GTK_WIDGET (html)); - gushort r, g, b; - - r = style->base[state].red / 256; - g = style->base[state].green / 256; - b = style->base[state].blue / 256; - - if (COLOR_IS_LIGHT (r, g, b)) { - r *= 1.0; - g *= 0.97; - b *= 0.75; - } else { - r = 255 - (1.0 * (255 - r)); - g = 255 - (0.97 * (255 - g)); - b = 255 - (0.75 * (255 - b)); - } - - sprintf (bgcolor, "%.2X%.2X%.2X", r, g, b); - - r = style->text[state].red / 256; - g = style->text[state].green / 256; - b = style->text[state].blue / 256; - - sprintf (fontcolor, "%.2X%.2X%.2X", r, g, b); - } else { - strcpy (bgcolor, "EEEEEE"); - strcpy (fontcolor, "000000"); - } - - due_by = camel_tag_get (&md->info->user_tags, "due-by"); - if (due_by && *due_by) { - target_date = header_decode_date (due_by, &offset); - now = time (NULL); - if (now >= target_date) - overdue = _("Overdue:"); - - localtime_r (&target_date, &due); - - e_utf8_strftime_fix_am_pm (due_date, sizeof (due_date), _("by %B %d, %Y, %l:%M %p"), &due); - } else { - due_date[0] = '\0'; - } - - gtk_html_stream_printf (html_stream, "<font color=\"#%s\">" - "<table width=\"100%%\" cellpadding=0 cellspacing=0><tr><td colspan=3 height=10></td></tr>" - "<tr><td width=10></td><td>" - "<table cellspacing=1 cellpadding=1 bgcolor=\"#000000\" width=\"100%%\"><tr><td>" - "<table cellspacing=0 bgcolor=\"#%s\" cellpadding=2 cellspacing=2 width=\"100%%\">" - "<tr><td align=\"left\" width=20><img src=\"%s\" align=\"middle\"></td>" - "<td>%s%s%s%s %s</td></table></td></tr></table>" - "</td><td width=10></td></tr></table></font>", fontcolor, bgcolor, - mail_display_get_url_for_icon (md, EVOLUTION_IMAGES "/flag-for-followup-16.png"), - overdue ? "<b>" : "", overdue, overdue ? "</b> " : "", - flag, due_date); - } - - if (md->current_message) { - stream = (MailDisplayStream *) mail_display_stream_new (html, html_stream); - - if (md->display_style == MAIL_CONFIG_DISPLAY_SOURCE) - mail_format_raw_message (md->current_message, md, stream); - else - mail_format_mime_message (md->current_message, md, stream); - - camel_object_unref (stream); - } - - gtk_html_stream_write (html_stream, "</body></html>\n", 15); - gtk_html_end (html, html_stream, GTK_HTML_STREAM_OK); -} - -/** - * mail_display_redisplay: - * @mail_display: the mail display object - * @reset_scroll: specifies whether or not to reset current scroll - * - * Force a redraw of the message display. - **/ -void -mail_display_redisplay (MailDisplay *md, gboolean reset_scroll) -{ - if (md->destroyed) - return; - - /* we're in effect stealing the queued redisplay */ - if (md->idle_id) { - g_source_remove(md->idle_id); - md->idle_id = 0; - } - - fetch_cancel(md); - - md->last_active = NULL; - md->redisplay_counter++; - /* printf ("md %p redisplay %d\n", md, md->redisplay_counter); */ - - mail_display_render (md, md->html, reset_scroll); -} - - -/** - * mail_display_set_message: - * @mail_display: the mail display object - * @medium: the input camel medium, or %NULL - * @folder: CamelFolder - * @info: message info - * - * Makes the mail_display object show the contents of the medium - * param. - **/ -void -mail_display_set_message (MailDisplay *md, CamelMedium *medium, CamelFolder *folder, CamelMessageInfo *info) -{ - /* For the moment, we deal only with CamelMimeMessage, but in - * the future, we should be able to deal with any medium. - */ - if (md->destroyed - || (medium && !CAMEL_IS_MIME_MESSAGE (medium))) - return; - - /* Clean up from previous message. */ - if (md->current_message) { - fetch_cancel (md); - camel_object_unref (md->current_message); - g_datalist_clear (md->data); - } - - if (medium) { - camel_object_ref (medium); - md->current_message = (CamelMimeMessage *) medium; - } else - md->current_message = NULL; - - if (md->folder && md->info) { - camel_folder_free_message_info (md->folder, md->info); - camel_object_unref (md->folder); - } - - if (folder && info) { - md->info = info; - md->folder = folder; - camel_object_ref (folder); - camel_folder_ref_message_info (folder, info); - } else { - md->info = NULL; - md->folder = NULL; - } - - g_datalist_init (md->data); - mail_display_redisplay (md, TRUE); -} - -/** - * mail_display_set_charset: - * @mail_display: the mail display object - * @charset: charset or %NULL - * - * Makes the mail_display object show the contents of the medium - * param. - **/ -void -mail_display_set_charset (MailDisplay *mail_display, const char *charset) -{ - g_free (mail_display->charset); - mail_display->charset = g_strdup (charset); - - mail_display_queue_redisplay (mail_display); -} - -/** - * mail_display_load_images: - * @md: the mail display object - * - * Load all HTTP images in the current message - **/ -void -mail_display_load_images (MailDisplay *md) -{ - g_datalist_set_data (md->data, "load_images", GINT_TO_POINTER (1)); - mail_display_redisplay (md, FALSE); -} - -/*----------------------------------------------------------------------* - * Standard Gtk+ Class functions - *----------------------------------------------------------------------*/ - -static void -mail_display_init (GObject *object) -{ - MailDisplay *mail_display = MAIL_DISPLAY (object); - GConfClient *gconf; - int style; - - mail_display->scroll = NULL; - mail_display->html = NULL; - mail_display->redisplay_counter = 0; - mail_display->last_active = NULL; - mail_display->idle_id = 0; - mail_display->selection = NULL; - mail_display->charset = NULL; - mail_display->current_message = NULL; - mail_display->folder = NULL; - mail_display->info = NULL; - mail_display->data = NULL; - - mail_display->invisible = gtk_invisible_new (); - g_object_ref (mail_display->invisible); - gtk_object_sink ((GtkObject *) mail_display->invisible); - - gconf = mail_config_get_gconf_client (); - style = gconf_client_get_int (gconf, "/apps/evolution/mail/format/message_display_style", NULL); - mail_display->display_style = style; - - mail_display->printing = FALSE; - - mail_display->priv = g_malloc0(sizeof(*mail_display->priv)); - e_dlist_init(&mail_display->priv->fetch_active); - e_dlist_init(&mail_display->priv->fetch_queue); -} - -static void -mail_display_destroy (GtkObject *object) -{ - MailDisplay *mail_display = MAIL_DISPLAY (object); - - if (mail_display->html) { - g_object_unref (mail_display->html); - mail_display->html = NULL; - } - - if (mail_display->current_message) { - camel_object_unref (mail_display->current_message); - g_datalist_clear (mail_display->data); - fetch_cancel(mail_display); - mail_display->current_message = NULL; - } - - g_free (mail_display->charset); - mail_display->charset = NULL; - g_free (mail_display->selection); - mail_display->selection = NULL; - - if (mail_display->folder) { - if (mail_display->info) - camel_folder_free_message_info (mail_display->folder, mail_display->info); - camel_object_unref (mail_display->folder); - mail_display->folder = NULL; - } - - g_free (mail_display->data); - mail_display->data = NULL; - - if (mail_display->idle_id) { - g_source_remove (mail_display->idle_id); - mail_display->idle_id = 0; - } - - if (mail_display->invisible) { - g_object_unref (mail_display->invisible); - mail_display->invisible = NULL; - } - - if (mail_display->priv && mail_display->priv->display_notify_id) { - GConfClient *gconf = mail_config_get_gconf_client (); - gconf_client_notify_remove (gconf, mail_display->priv->display_notify_id); - mail_display->priv->display_notify_id = 0; - } - - g_free (mail_display->priv); - mail_display->priv = NULL; - - mail_display->destroyed = TRUE; - - mail_display_parent_class->destroy (object); -} - -static void -invisible_selection_get_callback (GtkWidget *widget, - GtkSelectionData *selection_data, - guint info, - guint time, - void *data) -{ - MailDisplay *display; - - display = MAIL_DISPLAY (data); - - if (!display->selection) - return; - - g_assert (info == 1); - - gtk_selection_data_set (selection_data, GDK_SELECTION_TYPE_STRING, 8, - display->selection, strlen (display->selection)); -} - -static gint -invisible_selection_clear_event_callback (GtkWidget *widget, - GdkEventSelection *event, - void *data) -{ - MailDisplay *display; - - display = MAIL_DISPLAY (data); - - g_free (display->selection); - display->selection = NULL; - - return TRUE; -} - -static void -mail_display_class_init (GtkObjectClass *object_class) -{ - object_class->destroy = mail_display_destroy; - - if (mail_display_parent_class == NULL) { - const char *base_directory = mail_component_peek_base_directory (mail_component_peek ()); - char *path; - - path = g_alloca (strlen (base_directory) + 16); - sprintf (path, "%s/cache", base_directory); - - /* cache expiry - 2 hour access, 1 day max */ - fetch_cache = camel_data_cache_new(path, 0, NULL); - camel_data_cache_set_expire_age(fetch_cache, 24*60*60); - camel_data_cache_set_expire_access(fetch_cache, 2*60*60); - - mail_display_parent_class = g_type_class_ref (PARENT_TYPE); - thumbnail_cache = g_hash_table_new (g_str_hash, g_str_equal); - } -} - -static void -link_open_in_browser (GtkWidget *w, MailDisplay *mail_display) -{ - if (!mail_display->html->pointer_url) - return; - - on_link_clicked (mail_display->html, mail_display->html->pointer_url, - mail_display); -} - -#if 0 -static void -link_save_as (GtkWidget *w, MailDisplay *mail_display) -{ - g_print ("FIXME save %s\n", mail_display->html->pointer_url); -} -#endif - -static void -link_copy_location (GtkWidget *w, MailDisplay *mail_display) -{ - GdkAtom clipboard_atom; - - g_free (mail_display->selection); - mail_display->selection = g_strdup (mail_display->html->pointer_url); - - clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); - if (clipboard_atom == GDK_NONE) - return; /* failed */ - - /* We don't check the return values of the following since there is not - * much we can do if we cannot assert the selection. - */ - - gtk_selection_owner_set (GTK_WIDGET (mail_display->invisible), - GDK_SELECTION_PRIMARY, - GDK_CURRENT_TIME); - gtk_selection_owner_set (GTK_WIDGET (mail_display->invisible), - clipboard_atom, - GDK_CURRENT_TIME); -} - -static void -image_save_as (GtkWidget *w, MailDisplay *mail_display) -{ - const char *src; - - src = g_object_get_data ((GObject *) mail_display, "current_src_uri"); - - save_url (mail_display, src); -} - -enum { - /* - * This is used to mask the link specific menu items. - */ - MASK_URL = 1, - - /* - * This is used to mask src specific menu items. - */ - MASK_SRC = 2 -}; - -#define SEPARATOR { "", NULL, (NULL), NULL, 0 } -#define TERMINATOR { NULL, NULL, (NULL), NULL, 0 } - -static EPopupMenu link_menu [] = { - E_POPUP_ITEM (N_("Open Link in Browser"), G_CALLBACK (link_open_in_browser), MASK_URL), - E_POPUP_ITEM (N_("Copy Link Location"), G_CALLBACK (link_copy_location), MASK_URL), -#if 0 - E_POPUP_ITEM (N_("Save Link as (FIXME)"), G_CALLBACK (link_save_as), MASK_URL), -#endif - E_POPUP_ITEM (N_("Save Image as..."), G_CALLBACK (image_save_as), MASK_SRC), - - TERMINATOR -}; - - -/* - * Create a window and popup our widget, with reasonable semantics for the popup - * disappearing, etc. - */ - -typedef struct _PopupInfo PopupInfo; -struct _PopupInfo { - GtkWidget *w; - GtkWidget *win; - guint destroy_timeout; - guint widget_destroy_handle; - Bonobo_Listener listener; - gboolean hidden; -}; - -/* Aiieee! Global Data! */ -static GtkWidget *the_popup = NULL; - -static void -popup_window_destroy_cb (PopupInfo *pop, GObject *deadbeef) -{ - the_popup = NULL; - - if (pop->destroy_timeout != 0) - g_source_remove(pop->destroy_timeout); - - bonobo_event_source_client_remove_listener (bonobo_widget_get_objref (BONOBO_WIDGET (pop->w)), - pop->listener, - NULL); - CORBA_Object_release (pop->listener, NULL); - g_object_unref(pop->w); - g_free (pop); -} - -static int -popup_timeout_cb (gpointer user_data) -{ - PopupInfo *pop = (PopupInfo *) user_data; - - pop->destroy_timeout = 0; - gtk_widget_destroy (pop->win); - - return 0; -} - -static int -popup_enter_cb (GtkWidget *w, GdkEventCrossing *ev, gpointer user_data) -{ - PopupInfo *pop = (PopupInfo *) user_data; - - if (pop->destroy_timeout) - g_source_remove (pop->destroy_timeout); - pop->destroy_timeout = 0; - - return 0; -} - -static int -popup_leave_cb (GtkWidget *w, GdkEventCrossing *ev, gpointer user_data) -{ - PopupInfo *pop = (PopupInfo *) user_data; - - if (pop->destroy_timeout) - g_source_remove (pop->destroy_timeout); - - if (!pop->hidden) - pop->destroy_timeout = g_timeout_add (500, popup_timeout_cb, pop); - - return 0; -} - -static void -popup_realize_cb (GtkWidget *widget, gpointer user_data) -{ - PopupInfo *pop = (PopupInfo *) user_data; - - gtk_widget_add_events (pop->win, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK); - - if (pop->destroy_timeout == 0) { - if (!pop->hidden) { - pop->destroy_timeout = g_timeout_add (5000, popup_timeout_cb, pop); - } else { - pop->destroy_timeout = 0; - } - } -} - -static void -popup_size_allocate_cb (GtkWidget *widget, GtkAllocation *alloc, gpointer user_data) -{ - gtk_window_set_position (GTK_WINDOW (widget), GTK_WIN_POS_MOUSE); -} - -static PopupInfo * -make_popup_window (GtkWidget *w) -{ - PopupInfo *pop = g_new0 (PopupInfo, 1); - GtkWidget *fr; - - /* Only allow for one popup at a time. Ugly. */ - if (the_popup) - gtk_widget_destroy (the_popup); - - pop->w = w; - g_object_ref(w); - the_popup = pop->win = gtk_window_new (GTK_WINDOW_POPUP); - fr = gtk_frame_new (NULL); - - gtk_container_add (GTK_CONTAINER (pop->win), fr); - gtk_container_add (GTK_CONTAINER (fr), w); - - gtk_window_set_resizable (GTK_WINDOW (pop->win), FALSE); - - g_signal_connect (pop->win, "enter_notify_event", G_CALLBACK (popup_enter_cb), pop); - g_signal_connect (pop->win, "leave_notify_event", G_CALLBACK (popup_leave_cb), pop); - g_signal_connect_after (pop->win, "realize", G_CALLBACK (popup_realize_cb), pop); - g_signal_connect (pop->win, "size_allocate", G_CALLBACK (popup_size_allocate_cb), pop); - - g_object_weak_ref ((GObject *) pop->win, (GWeakNotify) popup_window_destroy_cb, pop); - - gtk_widget_show (w); - gtk_widget_show (fr); - gtk_widget_show (pop->win); - - return pop; -} - -static void -listener_cb (BonoboListener *listener, - char *event_name, - CORBA_any *any, - CORBA_Environment *ev, - gpointer user_data) -{ - PopupInfo *pop; - char *type; - - pop = user_data; - - if (pop->destroy_timeout) - g_source_remove (pop->destroy_timeout); - pop->destroy_timeout = 0; - - type = bonobo_event_subtype (event_name); - - if (!strcmp (type, "Destroy")) { - gtk_widget_destroy (GTK_WIDGET (pop->win)); - } else if (!strcmp (type, "Hide")) { - pop->hidden = TRUE; - gtk_widget_hide (GTK_WIDGET (pop->win)); - } - - g_free (type); -} - -static int -html_button_press_event (GtkWidget *widget, GdkEventButton *event, MailDisplay *mail_display) -{ - g_return_val_if_fail (widget != NULL, FALSE); - g_return_val_if_fail (event != NULL, FALSE); - - if (event->type == GDK_BUTTON_PRESS) { - if (event->button == 3) { - HTMLEngine *e; - HTMLPoint *point; - GtkWidget *popup_thing; - - e = GTK_HTML (widget)->engine; - point = html_engine_get_point_at (e, event->x, event->y, FALSE); - - if (point) { - const char *url, *src; - - url = html_object_get_url (point->object); - src = html_object_get_src (point->object); - - if (url && !strncasecmp (url, "mailto:", 7)) { - PopupInfo *pop; - char *url_decoded; - - url_decoded = gtk_html_get_url_object_relative (GTK_HTML (widget), - point->object, - url); - camel_url_decode (url_decoded); - - popup_thing = bonobo_widget_new_control ("OAFIID:GNOME_Evolution_Addressbook_AddressPopup", - CORBA_OBJECT_NIL); - - bonobo_widget_set_property (BONOBO_WIDGET (popup_thing), - "email", TC_CORBA_string, url_decoded+7, - NULL); - g_free (url_decoded); - - pop = make_popup_window (popup_thing); - - pop->listener = bonobo_event_source_client_add_listener_full( - bonobo_widget_get_objref (BONOBO_WIDGET (popup_thing)), - g_cclosure_new (G_CALLBACK (listener_cb), pop, NULL), - NULL, NULL); - } else if (url || src) { - int hide_mask = 0; - - if (!url) - hide_mask |= MASK_URL; - - if (!src) - hide_mask |= MASK_SRC; - - g_free (g_object_get_data ((GObject *) mail_display, "current_src_uri")); - g_object_set_data ((GObject *) mail_display, "current_src_uri", - gtk_html_get_url_object_relative (GTK_HTML (widget), - point->object, - src)); - - e_popup_menu_run (link_menu, (GdkEvent *) event, 0, hide_mask, mail_display); - } - - html_point_destroy (point); - return TRUE; - } - } - } - - return FALSE; -} - -static inline void -set_underline (HTMLEngine *e, HTMLObject *o, gboolean underline) -{ - HTMLText *text = HTML_TEXT (o); - - html_text_set_font_style (text, e, underline - ? html_text_get_font_style (text) | GTK_HTML_FONT_STYLE_UNDERLINE - : html_text_get_font_style (text) & ~GTK_HTML_FONT_STYLE_UNDERLINE); - html_engine_queue_draw (e, o); -} - -static void -update_active (GtkWidget *widget, gint x, gint y, MailDisplay *mail_display) -{ - HTMLEngine *e; - HTMLPoint *point; - const gchar *email; - - e = GTK_HTML (widget)->engine; - - point = html_engine_get_point_at (e, x, y, FALSE); - if (mail_display->last_active && (!point || mail_display->last_active != point->object)) { - set_underline (e, HTML_OBJECT (mail_display->last_active), FALSE); - mail_display->last_active = NULL; - } - if (point) { - email = (const gchar *) html_object_get_data (point->object, "email"); - if (email && html_object_is_text (point->object)) { - set_underline (e, point->object, TRUE); - mail_display->last_active = point->object; - } - html_point_destroy (point); - } -} - -static int -html_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event, MailDisplay *mail_display) -{ - update_active (widget, event->x, event->y, mail_display); - - return FALSE; -} - -static int -html_motion_notify_event (GtkWidget *widget, GdkEventMotion *event, MailDisplay *mail_display) -{ - int x, y; - - g_return_val_if_fail (widget != NULL, 0); - g_return_val_if_fail (GTK_IS_HTML (widget), 0); - g_return_val_if_fail (event != NULL, 0); - - if (event->is_hint) - gdk_window_get_pointer (GTK_LAYOUT (widget)->bin_window, &x, &y, NULL); - else { - x = event->x; - y = event->y; - } - - update_active (widget, x, y, mail_display); - - return FALSE; -} - -static void -html_iframe_created (GtkWidget *w, GtkHTML *iframe, MailDisplay *mail_display) -{ - g_signal_connect (iframe, "button_press_event", - G_CALLBACK (html_button_press_event), mail_display); - g_signal_connect (iframe, "motion_notify_event", - G_CALLBACK (html_motion_notify_event), mail_display); - g_signal_connect (iframe, "enter_notify_event", - G_CALLBACK (html_enter_notify_event), mail_display); -} - -static GNOME_Evolution_ShellView -retrieve_shell_view_interface_from_control (BonoboControl *control) -{ - Bonobo_ControlFrame control_frame; - GNOME_Evolution_ShellView shell_view_interface; - CORBA_Environment ev; - - control_frame = bonobo_control_get_control_frame (control, NULL); - - if (control_frame == NULL) - return CORBA_OBJECT_NIL; - - CORBA_exception_init (&ev); - shell_view_interface = Bonobo_Unknown_queryInterface (control_frame, - "IDL:GNOME/Evolution/ShellView:1.0", - &ev); - - if (BONOBO_EX (&ev)) - shell_view_interface = CORBA_OBJECT_NIL; - - CORBA_exception_free (&ev); - - return shell_view_interface; -} - -static void -set_status_message (const char *message, int busy) -{ - EList *controls; - EIterator *it; - - controls = folder_browser_factory_get_control_list (); - for (it = e_list_get_iterator (controls); e_iterator_is_valid (it); e_iterator_next (it)) { - BonoboControl *control; - GNOME_Evolution_ShellView shell_view_interface; - CORBA_Environment ev; - - control = BONOBO_CONTROL (e_iterator_get (it)); - - shell_view_interface = retrieve_shell_view_interface_from_control (control); - - CORBA_exception_init (&ev); - - if (shell_view_interface != CORBA_OBJECT_NIL) { - if (message != NULL) - GNOME_Evolution_ShellView_setMessage (shell_view_interface, - message[0] ? message: "", - busy, - &ev); - } - - CORBA_exception_free (&ev); - - bonobo_object_release_unref (shell_view_interface, NULL); - - /* yeah we only set the first one. Why? Because it seems to leave - random ones lying around otherwise. Shrug. */ - break; - } - - g_object_unref (it); -} - -/* For now show every url but possibly limit it to showing only http: - or ftp: urls */ -static void -html_on_url (GtkHTML *html, const char *url, MailDisplay *mail_display) -{ - static char *previous_url = NULL; - - /* This all looks silly but yes, this is the proper way to mix - GtkHTML's on_url with BonoboUIComponent statusbar */ - if (!url || (previous_url && (strcmp (url, previous_url) != 0))) - set_status_message ("", FALSE); - if (url) { - set_status_message (url, FALSE); - g_free (previous_url); - previous_url = g_strdup (url); - } -} - -/* If if a gconf setting for the mail display has changed redisplay to pick up the changes */ -static void -display_notify (GConfClient *gconf, guint cnxn_id, GConfEntry *entry, gpointer data) -{ - MailDisplay *md = data; - gchar *tkey; - - g_return_if_fail (entry != NULL); - g_return_if_fail (gconf_entry_get_key (entry) != NULL); - g_return_if_fail (gconf_entry_get_value (entry) != NULL); - - tkey = strrchr (entry->key, '/'); - - g_return_if_fail (tkey != NULL); - - if (!strcmp (tkey, "/animate_images")) { - gtk_html_set_animate (md->html, gconf_value_get_bool (gconf_entry_get_value(entry))); - } else if (!strcmp (tkey, "/citation_color") - || !strcmp (tkey, "/mark_citations")) { - mail_display_queue_redisplay (md); - } else if (!strcmp (tkey, "/caret_mode")) { - gtk_html_set_caret_mode(md->html, gconf_value_get_bool (gconf_entry_get_value(entry))); - } -} - -GtkWidget * -mail_display_new (void) -{ - MailDisplay *mail_display = g_object_new (mail_display_get_type (), NULL); - GtkWidget *scroll, *html; - GdkAtom clipboard_atom; - HTMLTokenizer *tok; - GConfClient *gconf; - - gtk_box_set_homogeneous (GTK_BOX (mail_display), FALSE); - gtk_widget_show (GTK_WIDGET (mail_display)); - - scroll = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_IN); - gtk_box_pack_start_defaults (GTK_BOX (mail_display), scroll); - gtk_widget_show (scroll); - - html = gtk_html_new (); - tok = e_searching_tokenizer_new (); - html_engine_set_tokenizer (GTK_HTML (html)->engine, tok); - g_object_unref (tok); - - mail_display_initialize_gtkhtml (mail_display, GTK_HTML (html)); - - gtk_container_add (GTK_CONTAINER (scroll), html); - gtk_widget_show (GTK_WIDGET (html)); - - g_signal_connect (mail_display->invisible, "selection_get", - G_CALLBACK (invisible_selection_get_callback), mail_display); - g_signal_connect (mail_display->invisible, "selection_clear_event", - G_CALLBACK (invisible_selection_clear_event_callback), mail_display); - - gtk_selection_add_target (mail_display->invisible, - GDK_SELECTION_PRIMARY, GDK_SELECTION_TYPE_STRING, 1); - - clipboard_atom = gdk_atom_intern ("CLIPBOARD", FALSE); - if (clipboard_atom != GDK_NONE) - gtk_selection_add_target (mail_display->invisible, - clipboard_atom, GDK_SELECTION_TYPE_STRING, 1); - - gconf = mail_config_get_gconf_client (); - gtk_html_set_animate (GTK_HTML (html), gconf_client_get_bool (gconf, "/apps/evolution/mail/display/animate_images", NULL)); - gtk_html_set_caret_mode (GTK_HTML (html), gconf_client_get_bool (gconf, "/apps/evolution/mail/display/caret_mode", NULL)); - - gconf_client_add_dir (gconf, "/apps/evolution/mail/display",GCONF_CLIENT_PRELOAD_NONE, NULL); - mail_display->priv->display_notify_id = gconf_client_notify_add (gconf, "/apps/evolution/mail/display", - display_notify, mail_display, NULL, NULL); - - mail_display->scroll = GTK_SCROLLED_WINDOW (scroll); - mail_display->html = GTK_HTML (html); - g_object_ref (mail_display->html); - mail_display->last_active = NULL; - mail_display->data = g_new0 (GData *, 1); - g_datalist_init (mail_display->data); - - return GTK_WIDGET (mail_display); -} - -void -mail_display_initialize_gtkhtml (MailDisplay *mail_display, GtkHTML *html) -{ - gtk_html_set_default_content_type (GTK_HTML (html), "text/html; charset=utf-8"); - - gtk_html_set_editable (GTK_HTML (html), FALSE); - - g_signal_connect (html, "url_requested", - G_CALLBACK (on_url_requested), - mail_display); - g_signal_connect (html, "object_requested", - G_CALLBACK (on_object_requested), - mail_display); - g_signal_connect (html, "link_clicked", - G_CALLBACK (on_link_clicked), - mail_display); - g_signal_connect (html, "button_press_event", - G_CALLBACK (html_button_press_event), mail_display); - g_signal_connect (html, "motion_notify_event", - G_CALLBACK (html_motion_notify_event), mail_display); - g_signal_connect (html, "enter_notify_event", - G_CALLBACK (html_enter_notify_event), mail_display); - g_signal_connect (html, "iframe_created", - G_CALLBACK (html_iframe_created), mail_display); - g_signal_connect (html, "on_url", - G_CALLBACK (html_on_url), mail_display); -} - -static void -free_url (gpointer key, gpointer value, gpointer data) -{ - g_free (key); - if (data) - g_byte_array_free (value, TRUE); -} - -static void -free_data_urls (gpointer urls) -{ - g_hash_table_foreach (urls, free_url, GINT_TO_POINTER (1)); - g_hash_table_destroy (urls); -} - -char * -mail_display_add_url (MailDisplay *md, const char *kind, char *url, gpointer data) -{ - GHashTable *urls; - gpointer old_key, old_value; - - urls = g_datalist_get_data (md->data, kind); - if (!urls) { - urls = g_hash_table_new (g_str_hash, g_str_equal); - g_datalist_set_data_full (md->data, "data_urls", urls, - free_data_urls); - } - - if (g_hash_table_lookup_extended (urls, url, &old_key, &old_value)) { - g_free (url); - url = old_key; - } - - g_hash_table_insert (urls, url, data); - - return url; -} - -const char * -mail_display_get_url_for_icon (MailDisplay *md, const char *icon_name) -{ - char *icon_path, buf[1024], *url; - int fd, nread; - GByteArray *ba; - - /* FIXME: cache */ - - if (*icon_name == '/') - icon_path = g_strdup (icon_name); - else { - icon_path = gnome_program_locate_file (NULL, GNOME_FILE_DOMAIN_PIXMAP, - icon_name, TRUE, NULL); - if (!icon_path) - return "file:///dev/null"; - } - - fd = open (icon_path, O_RDONLY); - g_free (icon_path); - if (fd == -1) - return "file:///dev/null"; - - ba = g_byte_array_new (); - while (1) { - nread = read (fd, buf, sizeof (buf)); - if (nread < 1) - break; - g_byte_array_append (ba, buf, nread); - } - close (fd); - - url = g_strdup_printf ("x-evolution-data:%p", ba); - - return mail_display_add_url (md, "data_urls", url, ba); -} - - -struct _location_url_stack { - struct _location_url_stack *parent; - CamelURL *url; -}; - -void -mail_display_push_content_location (MailDisplay *md, const char *location) -{ - struct _location_url_stack *node; - CamelURL *url; - - url = camel_url_new (location, NULL); - node = g_new (struct _location_url_stack, 1); - node->parent = md->urls; - node->url = url; - md->urls = node; -} - -CamelURL * -mail_display_get_content_location (MailDisplay *md) -{ - return md->urls ? md->urls->url : NULL; -} - -void -mail_display_pop_content_location (MailDisplay *md) -{ - struct _location_url_stack *node; - - if (!md->urls) { - g_warning ("content-location stack underflow!"); - return; - } - - node = md->urls; - md->urls = node->parent; - - if (node->url) - camel_url_free (node->url); - - g_free (node); -} - -E_MAKE_TYPE (mail_display, "MailDisplay", MailDisplay, mail_display_class_init, mail_display_init, PARENT_TYPE); |