A embed/mozilla/EphyAboutModule.cpp: A embed/mozilla/EphyAboutModule.h: R

2005-07-17  Christian Persch  <chpe@cvs.gnome.org>

	A embed/mozilla/EphyAboutModule.cpp:
	A embed/mozilla/EphyAboutModule.h:
	R embed/mozilla/EphyProtocolHandler.cpp:
	R embed/mozilla/EphyProtocolHandler.h:
	* embed/mozilla/Makefile.am:
	* embed/mozilla/MozRegisterComponents.cpp:
	* po/POTFILES.in:

	Yet another mozilla API change.

	* src/bookmarks/ephy-bookmarks.c:
	(ephy_bookmarks_get_smart_bookmark_width):

	Remove stray g_print, and clamp entry width to sane values.

1 files changed, 520 insertions, 0 deletions

diff --git a/embed/mozilla/EphyAboutModule.cpp b/embed/mozilla/EphyAboutModule.cpp
new file mode 100644
index 000000000..f6247eec3
--- /dev/null
+++ b/embed/mozilla/EphyAboutModule.cpp
@@ -0,0 +1,520 @@
+/*
+ *  Copyright (C) 2001 Matt Aubury, Philip Langdale
+ *  Copyright (C) 2004 Crispin Flowerday
+ *  Copyright (C) 2005 Christian Persch
+ *  Copyright (C) 2005 Adam Hooper
+ *
+ *  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 <nsCOMPtr.h>
+#include <nsIIOService.h>
+#include <nsIServiceManager.h>
+#include <nsIURI.h>
+#include <nsIChannel.h>
+#include <nsIOutputStream.h>
+#include <nsIInputStream.h>
+#include <nsIStorageStream.h>
+#include <nsIInputStreamChannel.h>
+#include <nsIScriptSecurityManager.h>
+#include <nsNetCID.h>
+#include <nsString.h>
+#include <nsEscape.h>
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "EphyAboutModule.h"
+#include "EphyUtils.h"
+
+#include "ephy-debug.h"
+
+#include <string.h>
+
+EphyAboutModule::EphyAboutModule()
+{
+	LOG ("EphyAboutModule ctor [%p]\n", this);
+}
+
+EphyAboutModule::~EphyAboutModule()
+{
+	LOG ("EphyAboutModule dtor [%p]\n", this);
+}
+
+NS_IMPL_ISUPPORTS1 (EphyAboutModule, nsIAboutModule)
+
+/* nsIChannel newChannel (in nsIURI aURI); */
+NS_IMETHODIMP
+EphyAboutModule::NewChannel(nsIURI *aURI,
+			    nsIChannel **_retval)
+{
+	NS_ENSURE_ARG(aURI);
+
+	nsCAutoString path;
+	aURI->GetPath (path);
+
+	if (strncmp (path.get(), "neterror", strlen ("neterror")) == 0)
+	{
+		return CreateErrorPage (aURI, _retval);
+	}
+
+	if (strncmp (path.get (), "epiphany", strlen ("epiphany")) == 0)
+	{
+		return Redirect (nsDependentCString ("file://" SHARE_DIR "/epiphany.xhtml"), _retval);
+	}
+
+	return NS_ERROR_ILLEGAL_VALUE;
+}
+
+/* private functions */
+
+nsresult
+EphyAboutModule::Redirect(const nsACString &aURL,
+			  nsIChannel **_retval)
+{
+	nsresult rv;
+	nsCOMPtr<nsIIOService> ioService;
+	rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIChannel> tempChannel;
+	rv = ioService->NewChannel(aURL, nsnull, nsnull, getter_AddRefs(tempChannel));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIURI> uri;
+	rv = ioService->NewURI(aURL, nsnull, nsnull, getter_AddRefs(uri));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	tempChannel->SetOriginalURI (uri);
+
+	nsCOMPtr<nsIScriptSecurityManager> securityManager = 
+			do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIPrincipal> principal;
+	rv = securityManager->GetCodebasePrincipal(uri, getter_AddRefs(principal));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	rv = tempChannel->SetOwner(principal);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	NS_ADDREF(*_retval = tempChannel);
+	return rv;
+}
+
+nsresult
+EphyAboutModule::ParseErrorURL(const char *aURL,
+			       nsACString &aError,
+			       nsACString &aRawOriginURL,
+			       nsACString &aOriginURL,
+			       nsACString &aOriginCharset)
+{
+	/* The error page URL is of the form "epiphany:error?e=<error>&u=<URL>&c=<charset>&d=<description>" */
+	const char *query = strstr (aURL, "?");
+	if (!query) return NS_ERROR_FAILURE;
+	
+	/* skip the '?' */
+	++query;
+	
+	char **params = g_strsplit (query, "&", -1);
+	if (!params) return NS_ERROR_FAILURE;
+	
+	for (PRUint32 i = 0; params[i] != NULL; ++i)
+	{
+		char *param = params[i];
+	
+		if (strlen (param) <= 2) continue;
+	
+		switch (param[0])
+		{
+			case 'e':
+				aError.Assign (nsUnescape (param + 2));
+				break;
+			case 'u':
+				aRawOriginURL.Assign (param + 2);
+				aOriginURL.Assign (nsUnescape (param + 2));
+				break;
+			case 'c':
+				aOriginCharset.Assign (nsUnescape (param + 2));
+				break;
+			case 'd':
+				/* we don't need mozilla's description parameter */
+			default:
+				break;
+		}
+	}
+
+	g_strfreev (params);
+	
+	return NS_OK;
+}
+
+nsresult
+EphyAboutModule::GetErrorMessage(nsIURI *aURI,
+				 const char *aError,
+				 char **aPrimary,
+				 char **aSecondary,
+				 char **aTertiary,
+				 char **aLinkIntro)
+{
+	if (strcmp (aError, "protocolNotFound") == 0)
+	{
+		nsCAutoString scheme;
+		aURI->GetScheme (scheme);
+
+		/* Translators: %s is the name of a protocol, like "http" etc. */
+		*aPrimary = g_strdup_printf (_("“%s” protocol is not supported."), scheme.get());
+		/* FIXME: get the list of supported protocols from necko */
+		*aSecondary = _("Supported protocols are “http”, “https”, “ftp”, “file”, “smb” "
+				"and “sftp”.");
+	}
+	else if (strcmp (aError, "fileNotFound") == 0)
+	{
+		nsCAutoString path;
+		aURI->GetPath (path);
+
+		/* Translators: %s is the path and filename, for example "/home/user/test.html" */
+		*aPrimary = g_markup_printf_escaped (_("File “%s” not found."), path.get());
+		*aSecondary = _("Check the location of the file and try again.");
+	}
+	else if (strcmp (aError, "dnsNotFound") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped (_("“%s” could not be found."),
+						     host.get());
+		*aSecondary = _("Check that you are connected to the internet, and "
+				"that the address is correct.");
+		*aLinkIntro = _("If this page used to exist, you may find an archived version:");
+	}
+	else if (strcmp (aError, "connectionFailure") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” refused the connection."),
+				 host.get());
+		*aSecondary = _("The server may be busy or you may have a "
+				"network connection problem. Try again later.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "netInterrupt") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” interrupted the connection."),
+				 host.get());
+		*aSecondary = _("The server may be busy or you may have a "
+				"network connection problem. Try again later.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "netTimeout") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” is not responding."),
+				 host.get());
+		*aSecondary = _("The connection was lost because the "
+				"server took too long to respond.");
+		*aTertiary = _("The server may be busy or you may have a network "
+			        "connection problem. Try again later.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "malformedURI") == 0)
+	{
+		*aPrimary = g_strdup (_("Invalid address."));
+		*aSecondary = g_strdup (_("The address you entered is not valid."));
+	}
+	else if (strcmp (aError, "redirectLoop") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” redirected too many times."),
+				 host.get());
+		*aSecondary = _("The redirection has been stopped for security reasons.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "unknownSocketType") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” requires an encrypted connection."),
+				 host.get());
+		*aSecondary = _("The document could not be loaded because "
+				"encryption support is not installed.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "netReset") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” dropped the connection."),
+				 host.get());
+		*aSecondary = _("The server dropped the connection "
+				 "before any data could be read.");
+		*aTertiary = _("The server may be busy or you may have a "
+			       "network connection problem. Try again later.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "netOffline") == 0)
+	{
+		*aPrimary = g_strdup (_("Cannot load document in offline mode."));
+		*aSecondary = _("This document cannot be viewed in offline "
+				"mode. Set Epiphany to “online” "
+				"and try again.");
+	}
+	else if (strcmp (aError, "deniedPortAccess") == 0)
+	{
+		nsCAutoString host;
+		aURI->GetHost (host);
+
+		PRInt32 port = -1;
+		aURI->GetPort (&port);
+
+		/* Translators: %s is the hostname, like "www.example.com" */
+		*aPrimary = g_markup_printf_escaped
+				(_("“%s” denied access to port “%d”."),
+				 host.get(), port > 0 ? port : 80);
+		*aSecondary = g_strdup (_("The server dropped the connection "
+					  "before any data could be read."));
+		*aTertiary = _("The server may be busy or you may have a "
+			       "network connection problem. Try again later.");
+		*aLinkIntro = _("There may be an old version of the page you wanted:");
+	}
+	else if (strcmp (aError, "proxyResolveFailure") == 0 ||
+		 strcmp (aError, "proxyConnectFailure") == 0)
+	{
+		*aPrimary = g_strdup (_("Could not connect to proxy server."));
+		*aSecondary = _("Check the proxy server settings in Control Center. "
+				"If the connection still fails, there may be "
+				"a problem with your proxy server or your "
+				"network connection.");
+	}
+	else
+	{
+		return NS_ERROR_ILLEGAL_VALUE;
+	}
+
+	return NS_OK;
+}
+
+nsresult
+EphyAboutModule::CreateErrorPage(nsIURI *aErrorURI,
+				 nsIChannel **_retval)
+{
+        /* First parse the arguments */
+        nsresult rv = NS_ERROR_ILLEGAL_VALUE;
+        nsCAutoString spec;
+	rv = aErrorURI->GetSpec (spec);
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && !spec.IsEmpty(), rv);
+
+	nsCAutoString error, rawurl, url, charset;
+	rv = ParseErrorURL (spec.get (), error, rawurl, url, charset);
+	if (NS_FAILED (rv) || error.IsEmpty () || url.IsEmpty()) return rv;
+
+	nsCOMPtr<nsIURI> uri;
+	rv = EphyUtils::NewURI(getter_AddRefs (uri), url, charset.get());
+	/* FIXME can uri be NULL if the original url was invalid? */
+	NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && uri, rv);
+
+	char *primary = nsnull, *secondary = nsnull, *tertiary = nsnull, *linkintro = nsnull;
+	rv = GetErrorMessage (uri, error.get(), &primary, &secondary, &tertiary, &linkintro);
+
+	/* we don't know about this error code.
+	 * FIXME: We'd like to forward to mozilla's about:neterror handler,
+	 * but I don't know how to. So just redirect to the same page that
+	 * mozilla's handler redirects to.
+	 */
+	if (rv == NS_ERROR_ILLEGAL_VALUE)
+	{
+		nsCAutoString url(spec);
+
+		/* remove "about:neterror" part and insert mozilla's error page url */
+		url.Cut(0, strlen ("about:neterror"));
+		url.Insert("chrome://global/content/netError.xhtml", 0);
+
+		return Redirect (url, _retval);
+	}
+
+	NS_ENSURE_TRUE (primary && secondary, NS_ERROR_FAILURE);
+
+	/* open the rendering stream */
+	nsCOMPtr<nsIStorageStream> storageStream;
+	rv = NS_NewStorageStream(16384, (PRUint32) -1, getter_AddRefs (storageStream));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIOutputStream> stream;
+	rv = storageStream->GetOutputStream(0, getter_AddRefs (stream));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	char *language = g_strdup (pango_language_to_string (gtk_get_default_language ()));
+	g_strdelimit (language, "_-@", '\0');
+
+	Write (stream,
+	       "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+	       "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" "
+	       "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
+	       "<html xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"");
+	Write (stream, language);
+	Write (stream,
+	       "\" xml:lang=\"");
+	Write (stream, language);
+	Write (stream,
+	       "\">\n"
+	       "<head>\n"
+		"<title>");
+	Write (stream, primary);
+	/* no favicon for now, it would pollute the favicon cache */
+	/* "<link rel=\"icon\" type=\"image/png\" href=\"moz-icon://stock/gtk-dialog-error?size=16\" />\n" */
+	Write (stream,
+		"</title>\n"
+		"<style type=\"text/css\">\n"
+		"div#body {\n"
+			"top: 12px;\n"
+			"right: 12px;\n"
+			"bottom: 12px;\n"
+			"left: 12px;\n"
+			"overflow: auto;\n"
+
+			"background: -moz-dialog url('moz-icon://stock/gtk-dialog-error?size=dialog') no-repeat 12px 12px;\n"
+			"color: -moz-dialogtext;\n"
+			"font: message-box;\n"
+			"border: 1px solid -moz-dialogtext;\n"
+
+			"padding: 12px 12px 12px 72px;\n"
+		"}\n"
+
+		"h1 {\n"
+			"margin: 0;\n"
+			"font-size: 1.2em;\n"
+		"}\n"
+		"</style>\n"
+	       "</head>\n"
+	       "<body dir=\"");
+	Write (stream,
+	       gtk_widget_get_default_direction () == GTK_TEXT_DIR_RTL ? "rtl" : "ltr");
+	Write (stream,
+	       "\">\n"
+		"<div id=\"body\">"
+		"<h1>");
+	Write (stream, primary);
+	Write (stream,
+	       "</h1>\n"
+	       "<p>");
+	Write (stream, secondary);
+	if (tertiary)
+	{
+		Write (stream, " ");
+		Write (stream, tertiary);
+	}
+	Write (stream,
+		"</p>\n");
+
+	PRBool isHttp = PR_FALSE, isHttps = PR_FALSE;
+	uri->SchemeIs ("http", &isHttp);
+	uri->SchemeIs ("https", &isHttps);
+	if (linkintro && (isHttp || isHttps))
+	{
+		Write (stream, "<p>");
+		Write (stream, linkintro);
+		Write (stream, "<ul>\n");
+		Write (stream, "<li><a href=\"http://google.com/search?q=cache:");
+		Write (stream, rawurl.get());
+		Write (stream, "\">");
+		/* Translators: The text before the "|" is context to help you decide on
+		 * the correct translation. You MUST OMIT it in the translated string. */
+		Write (stream, Q_("You may find an old version:|in the Google Cache"));
+		Write (stream, "</a></li>\n");
+
+		Write (stream, "<li><a href=\"http://web.archive.org/web/*/");
+		Write (stream, rawurl.get());
+		Write (stream, "\">");
+		/* Translators: The text before the "|" is context to help you decide on
+		 * the correct translation. You MUST OMIT it in the translated string. */
+		Write (stream, Q_("You may find an old version:|in the Internet Archive"));
+		Write (stream, "</a></li>\n"
+			       "</ul>\n"
+			       "</p>");
+	}
+
+	Write (stream,
+		"</div>\n"
+	       "</body>\n"
+	       "</html>\n");
+
+	g_free (language);
+	g_free (primary);
+ 
+	/* finish the rendering */
+	nsCOMPtr<nsIInputStream> inputStream;
+	rv = storageStream->NewInputStream(0, getter_AddRefs (inputStream));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIInputStreamChannel> channel (do_CreateInstance ("@mozilla.org/network/input-stream-channel;1", &rv));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	rv |= channel->SetURI (aErrorURI);
+	rv |= channel->SetContentStream (inputStream);
+	rv |= channel->SetContentType (NS_LITERAL_CSTRING ("application/xhtml+xml"));
+	rv |= channel->SetContentCharset (NS_LITERAL_CSTRING ("utf-8"));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIScriptSecurityManager> securityManager 
+		(do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	nsCOMPtr<nsIPrincipal> principal;
+	rv = securityManager->GetCodebasePrincipal (aErrorURI, getter_AddRefs (principal));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	rv = channel->SetOwner(principal);
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	NS_ADDREF(*_retval = channel);
+	return rv;
+}
+
+nsresult
+EphyAboutModule::Write(nsIOutputStream *aStream,
+		       const char *aText)
+{
+	PRUint32 bytesWritten;
+	return aStream->Write (aText, strlen (aText), &bytesWritten);
+}