Update bookmarks from HTTP 301. Fixes bug #126312.

2004-12-02  Christian Persch  <chpe@cvs.gnome.org>

	* embed/ephy-history.c: (ephy_history_class_init):
	* embed/ephy-history.h:
	* embed/mozilla/EphyHistoryListener.cpp:
	* embed/mozilla/EphyHistoryListener.h:
	* embed/mozilla/EphyUtils.cpp:
	* embed/mozilla/EphyUtils.h:
	* embed/mozilla/GlobalHistory.cpp:
	* embed/mozilla/GlobalHistory.h:
	* embed/mozilla/Makefile.am:
	* src/bookmarks/ephy-bookmarks.c: (redirect_cb),
	(ephy_setup_history_notifiers):
	* src/ephy-window.c: (confirm_close_with_modified_forms),
	(ensure_window_group), (ephy_window_init):

	Update bookmarks from HTTP 301. Fixes bug #126312.

9 files changed, 274 insertions, 8 deletions

diff --git a/embed/ephy-history.c b/embed/ephy-history.c
index 90b0fb6f0..d485616b7 100644
--- a/embed/ephy-history.c
+++ b/embed/ephy-history.c
@@ -21,6 +21,7 @@
 #include "config.h"
 
 #include "ephy-history.h"
+#include "ephy-marshal.h"
 #include "ephy-file-helpers.h"
 #include "ephy-debug.h"
 #include "ephy-node-db.h"
@@ -70,6 +71,7 @@ enum
 {
 	VISITED,
 	CLEARED,
+	REDIRECT,
         LAST_SIGNAL
 };
 
@@ -197,7 +199,19 @@ ephy_history_class_init (EphyHistoryClass *klass)
                               G_TYPE_NONE,
                               0);
 
-	g_type_class_add_private (object_class, sizeof(EphyHistoryPrivate));
+	signals[REDIRECT] =
+                g_signal_new ("redirect",
+                              G_OBJECT_CLASS_TYPE (object_class),
+                              G_SIGNAL_RUN_FIRST,
+                              G_STRUCT_OFFSET (EphyHistoryClass, redirect),
+                              NULL, NULL,
+                              ephy_marshal_VOID__STRING_STRING,
+                              G_TYPE_NONE,
+                              2,
+			      G_TYPE_STRING,
+			      G_TYPE_STRING);
+
+	g_type_class_add_private (object_class, sizeof (EphyHistoryPrivate));
 }
 
 static gboolean
diff --git a/embed/ephy-history.h b/embed/ephy-history.h
index 5a3ac1de3..7da9ff475 100644
--- a/embed/ephy-history.h
+++ b/embed/ephy-history.h
@@ -67,6 +67,10 @@ struct EphyHistoryClass
 	void	(* visited)	(EphyHistory *history,
 				 const char *url);
 	void	(* cleared)	(EphyHistory *history);
+
+	void	(* redirect)	(EphyHistory *history,
+				 const char *from_uri,
+				 const char *to_uri);
 };
 
 GType		ephy_history_get_type		(void);
diff --git a/embed/mozilla/EphyHistoryListener.cpp b/embed/mozilla/EphyHistoryListener.cpp
new file mode 100644
index 000000000..14838f77e
--- /dev/null
+++ b/embed/mozilla/EphyHistoryListener.cpp
@@ -0,0 +1,172 @@
+/*
+ *  Copyright (C) 2004 Christian Persch
+ *
+ *  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, 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 Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#include "mozilla-config.h"
+
+#include "config.h"
+
+#include "EphyHistoryListener.h"
+#include "EphyUtils.h"
+
+#include "ephy-debug.h"
+
+#define MOZILLA_STRICT_API
+#include <nsEmbedString.h>
+#undef MOZILLA_STRICT_API
+#include <nsCOMPtr.h>
+#include <nsIServiceManager.h>
+#include <nsIDocumentLoader.h>
+#include <nsIWebProgress.h>
+#include <nsIRequestObserver.h>
+#include <nsIURI.h>
+#include <nsIRequest.h>
+#include <nsIChannel.h>
+#include <nsIHttpChannel.h>
+#include <nsNetCID.h>
+#include <nsISupportsUtils.h>
+#include <nsCURILoader.h>
+ 
+EphyHistoryListener::EphyHistoryListener ()
+{
+	LOG ("EphyHistoryListener ctor")
+}
+
+EphyHistoryListener::~EphyHistoryListener ()
+{
+	LOG ("EphyHistoryListener dtor")
+}
+
+nsresult
+EphyHistoryListener::Init (EphyHistory *aHistory)
+{
+	mHistory = aHistory;
+
+	nsresult rv;
+	nsCOMPtr<nsIWebProgress> webProgress
+		(do_GetService(NS_DOCUMENTLOADER_SERVICE_CONTRACTID, &rv));
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && webProgress, rv);
+		
+	rv = webProgress->AddProgressListener
+			(NS_STATIC_CAST(nsIWebProgressListener*,this),
+			 nsIWebProgress::NOTIFY_STATE_REQUEST);
+
+	return rv;
+}
+
+NS_IMPL_ISUPPORTS2 (EphyHistoryListener,
+		    nsIWebProgressListener,
+		    nsISupportsWeakReference)
+
+/* void onStateChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aStateFlags, in nsresult aStatus); */
+NS_IMETHODIMP
+EphyHistoryListener::OnStateChange (nsIWebProgress *aWebProgress,
+                                     nsIRequest *aRequest,
+                                     PRUint32 aStateFlags,
+				     nsresult aStatus)
+{
+	nsresult rv = NS_OK;
+
+	/* we only care about redirects */
+	if (! (aStateFlags & nsIWebProgressListener::STATE_REDIRECTING))
+	{
+		return rv;
+	}
+
+	/* FIXME can I QI directly to nsIHttpChannel? */
+	nsCOMPtr<nsIChannel> channel (do_QueryInterface (aRequest));
+	nsCOMPtr<nsIHttpChannel> httpChannel (do_QueryInterface (channel));
+	if (!httpChannel) return rv;
+
+	PRUint32 status = 0;
+	rv = httpChannel->GetResponseStatus (&status);
+	if (rv == NS_ERROR_NOT_AVAILABLE) return NS_OK;
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	/* we're only interested in 301 redirects (moved permanently) */
+	if (status != 301) return NS_OK;
+
+	nsCOMPtr<nsIURI> fromURI;
+	rv = channel->GetURI (getter_AddRefs (fromURI));
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && fromURI, rv);
+
+	nsEmbedCString location;
+	rv = httpChannel->GetResponseHeader
+		(NS_LITERAL_CSTRING ("Location"), location);
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && location.Length(), rv);
+
+	nsCOMPtr<nsIURI> toURI;
+	rv = EphyUtils::NewURI (getter_AddRefs (toURI), location,
+				nsnull /* use origin charset of fromURI */, fromURI);
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && toURI, rv);
+
+	nsEmbedCString fromSpec, toSpec;
+	rv = fromURI->GetSpec (fromSpec);
+	rv |= toURI->GetSpec(toSpec);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	g_signal_emit_by_name (mHistory, "redirect",
+			       fromSpec.get(), toSpec.get());
+	
+	return rv;
+}
+
+/* void onProgressChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in long aCurSelfProgress, in long aMaxSelfProgress, in long aCurTotalProgress, in long aMaxTotalProgress); */
+NS_IMETHODIMP
+EphyHistoryListener::OnProgressChange (nsIWebProgress *aWebProgress,
+                                        nsIRequest *aRequest,
+                                        PRInt32 aCurSelfProgress,
+                                        PRInt32 aMaxSelfProgress,
+                                        PRInt32 aCurTotalProgress,
+                                        PRInt32 aMaxTotalProgress)
+{
+	NS_NOTREACHED("notification excluded in AddProgressListener(...)");
+	return NS_OK;
+}
+
+/* void onLocationChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsIURI location); */
+NS_IMETHODIMP
+EphyHistoryListener::OnLocationChange (nsIWebProgress *aWebProgress,
+					nsIRequest *aRequest,
+					nsIURI *location)
+{
+	NS_NOTREACHED("notification excluded in AddProgressListener(...)");
+	return NS_OK;
+}
+
+/* void onStatusChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in nsresult aStatus, in wstring aMessage); */
+NS_IMETHODIMP
+EphyHistoryListener::OnStatusChange (nsIWebProgress *aWebProgress,
+				      nsIRequest *aRequest,
+				      nsresult aStatus,
+				      const PRUnichar *aMessage)
+{
+	NS_NOTREACHED("notification excluded in AddProgressListener(...)");
+	return NS_OK;
+}
+
+/* void onSecurityChange (in nsIWebProgress aWebProgress, in nsIRequest aRequest, in unsigned long state); */
+NS_IMETHODIMP
+EphyHistoryListener::OnSecurityChange (nsIWebProgress *aWebProgress,
+					nsIRequest *aRequest,
+					PRUint32 state)
+{
+	NS_NOTREACHED("notification excluded in AddProgressListener(...)");
+	return NS_OK;
+}
diff --git a/embed/mozilla/EphyHistoryListener.h b/embed/mozilla/EphyHistoryListener.h
new file mode 100644
index 000000000..38cf9e49f
--- /dev/null
+++ b/embed/mozilla/EphyHistoryListener.h
@@ -0,0 +1,51 @@
+/*
+ *  Copyright (C) 2004 Christian Persch
+ *
+ *  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, 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 Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#ifndef EPHY_REDIRECT_LISTENER_H
+#define EPHY_REDIRECT_LISTENER_H
+
+#include "ephy-history.h"
+
+#include <nsIWebProgressListener.h>
+#include <nsWeakReference.h>
+
+#include <glib-object.h>
+
+/* 6a9533c6-f068-4e63-8225-5feba0b54d6b */
+#define EPHY_REDIRECTLISTENER_CID \
+{ 0x6a9533c6, 0xf068, 0x4e63, { 0x82, 0x25, 0x5f, 0xeb, 0xa0, 0xb5, 0x4d, 0x6b } }
+#define EPHY_REDIRECTLISTENER_CLASSNAME		"Epiphany Redirect Listener Class"
+
+class EphyHistoryListener : public nsIWebProgressListener,
+			     public nsSupportsWeakReference
+{
+	public:
+		EphyHistoryListener();
+		virtual ~EphyHistoryListener();
+
+		nsresult Init (EphyHistory *aHistory);
+	
+		NS_DECL_ISUPPORTS
+		NS_DECL_NSIWEBPROGRESSLISTENER
+	private:
+		EphyHistory *mHistory;
+};
+
+#endif /* EPHY_REDIRECT_LISTENER_H */
diff --git a/embed/mozilla/EphyUtils.cpp b/embed/mozilla/EphyUtils.cpp
index c8d296737..3a5407cb8 100644
--- a/embed/mozilla/EphyUtils.cpp
+++ b/embed/mozilla/EphyUtils.cpp
@@ -52,15 +52,23 @@ EphyUtils::GetIOService (nsIIOService **ioService)
 	return rv;
 }
 
-nsresult EphyUtils::NewURI (nsIURI **result, const nsAString &spec)
+nsresult
+EphyUtils::NewURI (nsIURI **result,
+		   const nsAString &spec,
+		   const char *charset,
+		   nsIURI *baseURI)
 {
 	nsEmbedCString cSpec;
 	NS_UTF16ToCString (spec, NS_CSTRING_ENCODING_UTF8, cSpec);
 
-	return NewURI (result, cSpec);
+	return NewURI (result, cSpec, charset, baseURI);
 }
 
-nsresult EphyUtils::NewURI (nsIURI **result, const nsACString &spec)
+nsresult
+EphyUtils::NewURI (nsIURI **result,
+		   const nsACString &spec,
+		   const char *charset,
+		   nsIURI *baseURI)
 {
 	nsresult rv;
 
@@ -68,7 +76,7 @@ nsresult EphyUtils::NewURI (nsIURI **result, const nsACString &spec)
 	rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
 	NS_ENSURE_SUCCESS (rv, rv);
 
-	rv = ioService->NewURI (spec, nsnull, nsnull, result);
+	rv = ioService->NewURI (spec, charset, baseURI, result);
 
 	return rv;
 }
diff --git a/embed/mozilla/EphyUtils.h b/embed/mozilla/EphyUtils.h
index 90057e1d5..2977dda74 100644
--- a/embed/mozilla/EphyUtils.h
+++ b/embed/mozilla/EphyUtils.h
@@ -33,9 +33,15 @@ namespace EphyUtils
 {
 	nsresult	GetIOService		(nsIIOService **ioService);
 
-	nsresult	NewURI			(nsIURI **result, const nsAString &spec);
-
-	nsresult	NewURI			(nsIURI **result, const nsACString &spec);
+	nsresult	NewURI			(nsIURI **result,
+						 const nsAString &spec,
+						 const char *charset = nsnull,
+						 nsIURI *baseURI = nsnull);
+
+	nsresult	NewURI			(nsIURI **result,
+						 const nsACString &spec,
+						 const char *charset = nsnull,
+						 nsIURI *baseURI = nsnull);
 
 	GtkWidget      *FindEmbed		(nsIDOMWindow *aDOMWindow);
 
diff --git a/embed/mozilla/GlobalHistory.cpp b/embed/mozilla/GlobalHistory.cpp
index 315685329..9d9140a35 100644
--- a/embed/mozilla/GlobalHistory.cpp
+++ b/embed/mozilla/GlobalHistory.cpp
@@ -37,6 +37,9 @@ NS_IMPL_ISUPPORTS2(MozGlobalHistory, nsIGlobalHistory2, nsIBrowserHistory)
 MozGlobalHistory::MozGlobalHistory ()
 {
 	mGlobalHistory = EPHY_HISTORY (ephy_embed_shell_get_global_history (embed_shell));
+
+	mHistoryListener = new EphyHistoryListener ();
+	mHistoryListener->Init (mGlobalHistory);
 }
 
 MozGlobalHistory::~MozGlobalHistory ()
diff --git a/embed/mozilla/GlobalHistory.h b/embed/mozilla/GlobalHistory.h
index cb128db21..b8743caf0 100644
--- a/embed/mozilla/GlobalHistory.h
+++ b/embed/mozilla/GlobalHistory.h
@@ -27,6 +27,11 @@
 #include <nsIBrowserHistory.h>
 #include <nsIGlobalHistory2.h>
 
+#include <nsCOMPtr.h>
+#include <nsAutoPtr.h>
+
+#include "EphyHistoryListener.h"
+
 #define EPHY_GLOBALHISTORY_CLASSNAME	"Epiphany Global History Implementation"
 
 #define EPHY_GLOBALHISTORY_CID					\
@@ -48,6 +53,7 @@ class MozGlobalHistory: public nsIBrowserHistory
 
 	private:
 		EphyHistory *mGlobalHistory;
+		nsRefPtr<EphyHistoryListener> mHistoryListener;
 };
 
 #endif /* EPHY_GLOBAL_HISTORY_H */
diff --git a/embed/mozilla/Makefile.am b/embed/mozilla/Makefile.am
index 0476f5822..60c229f66 100644
--- a/embed/mozilla/Makefile.am
+++ b/embed/mozilla/Makefile.am
@@ -11,6 +11,8 @@ libephymozillaembed_la_SOURCES = 	\
 	EphyHeaderSniffer.h		\
 	EphyBrowser.cpp                 \
 	EphyBrowser.h	                \
+	EphyHistoryListener.cpp		\
+	EphyHIstoryListener.h		\
 	EphySingle.cpp			\
 	EphySingle.h			\
 	EphyUtils.cpp			\