Move EphyHistoryListener from embed/ to components/ since it's only used by GlobalHistory code.

svn path=/trunk/; revision=7437

3 files changed, 221 insertions, 0 deletions

diff --git a/embed/xulrunner/components/EphyHistoryListener.cpp b/embed/xulrunner/components/EphyHistoryListener.cpp
new file mode 100644
index 000000000..5da2170e7
--- /dev/null
+++ b/embed/xulrunner/components/EphyHistoryListener.cpp
@@ -0,0 +1,170 @@
+/*
+ *  Copyright © 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  $Id$
+ */
+
+#include <xpcom-config.h>
+#include "config.h"
+
+#include <nsStringGlue.h>
+
+#include <nsCOMPtr.h>
+#include <nsCURILoader.h>
+#include <nsIChannel.h>
+#include <nsIDocumentLoader.h>
+#include <nsIHttpChannel.h>
+#include <nsIRequest.h>
+#include <nsIRequestObserver.h>
+#include <nsISupportsUtils.h>
+#include <nsIURI.h>
+#include <nsIWebProgress.h>
+#include <nsNetCID.h>
+#include <nsServiceManagerUtils.h>
+ 
+#include "EphyUtils.h"
+
+#include "ephy-debug.h"
+
+#include "EphyHistoryListener.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
+			(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;
+	}
+
+	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);
+
+	nsCString location;
+	rv = httpChannel->GetResponseHeader
+		(nsCString ("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);
+
+	nsCString 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/xulrunner/components/EphyHistoryListener.h b/embed/xulrunner/components/EphyHistoryListener.h
new file mode 100644
index 000000000..23f955f05
--- /dev/null
+++ b/embed/xulrunner/components/EphyHistoryListener.h
@@ -0,0 +1,49 @@
+/*
+ *  Copyright © 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  $Id$
+ */
+
+#ifndef EPHY_REDIRECT_LISTENER_H
+#define EPHY_REDIRECT_LISTENER_H
+
+#include "ephy-history.h"
+
+#include <nsIWebProgressListener.h>
+#include <nsWeakReference.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/xulrunner/components/Makefile.am b/embed/xulrunner/components/Makefile.am
index 7280d6541..d4c0d997b 100644
--- a/embed/xulrunner/components/Makefile.am
+++ b/embed/xulrunner/components/Makefile.am
@@ -9,6 +9,8 @@ libephycomponents_la_SOURCES = \
 	EphyAboutModule.h		\
 	EphyContentPolicy.cpp		\
 	EphyContentPolicy.h		\
+	EphyHistoryListener.cpp		\
+	EphyHistoryListener.h		\
 	EphyRedirectChannel.cpp		\
 	EphyRedirectChannel.h		\
 	EphySidebar.cpp			\