mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
667 lines
19 KiB
C++
667 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/ArrayUtils.h"
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#include "nsCOMPtr.h"
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#include "nsGNOMEShellService.h"
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#include "nsShellService.h"
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#include "nsIServiceManager.h"
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#include "nsIFile.h"
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#include "nsIProperties.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsIPrefService.h"
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#include "prenv.h"
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#include "nsStringAPI.h"
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#include "nsIGConfService.h"
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#include "nsIGIOService.h"
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#include "nsIGSettingsService.h"
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#include "nsIStringBundle.h"
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#include "nsIOutputStream.h"
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#include "nsIProcess.h"
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#include "nsNetUtil.h"
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#include "nsIDOMHTMLImageElement.h"
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#include "nsIImageLoadingContent.h"
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#include "imgIRequest.h"
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#include "imgIContainer.h"
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#include "prprf.h"
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#if defined(MOZ_WIDGET_GTK)
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#include "nsIImageToPixbuf.h"
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#endif
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#include "nsXULAppAPI.h"
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#include <glib.h>
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#include <glib-object.h>
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#include <gtk/gtk.h>
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#include <gdk/gdk.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <limits.h>
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#include <stdlib.h>
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using namespace mozilla;
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struct ProtocolAssociation
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{
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const char *name;
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bool essential;
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};
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struct MimeTypeAssociation
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{
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const char *mimeType;
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const char *extensions;
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};
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static const ProtocolAssociation appProtocols[] = {
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{ "http", true },
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{ "https", true },
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{ "ftp", false },
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{ "chrome", false }
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};
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static const MimeTypeAssociation appTypes[] = {
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{ "text/html", "htm html shtml" },
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{ "application/xhtml+xml", "xhtml xht" }
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};
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// GConf registry key constants
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#define DG_BACKGROUND "/desktop/gnome/background"
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static const char kDesktopImageKey[] = DG_BACKGROUND "/picture_filename";
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static const char kDesktopOptionsKey[] = DG_BACKGROUND "/picture_options";
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static const char kDesktopDrawBGKey[] = DG_BACKGROUND "/draw_background";
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static const char kDesktopColorKey[] = DG_BACKGROUND "/primary_color";
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static const char kDesktopBGSchema[] = "org.gnome.desktop.background";
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static const char kDesktopImageGSKey[] = "picture-uri";
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static const char kDesktopOptionGSKey[] = "picture-options";
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static const char kDesktopDrawBGGSKey[] = "draw-background";
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static const char kDesktopColorGSKey[] = "primary-color";
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nsresult
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nsGNOMEShellService::Init()
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{
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nsresult rv;
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// GConf, GSettings or GIO _must_ be available, or we do not allow
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// CreateInstance to succeed.
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nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
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nsCOMPtr<nsIGIOService> giovfs =
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do_GetService(NS_GIOSERVICE_CONTRACTID);
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nsCOMPtr<nsIGSettingsService> gsettings =
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do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
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if (!gconf && !giovfs && !gsettings)
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return NS_ERROR_NOT_AVAILABLE;
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// Check G_BROKEN_FILENAMES. If it's set, then filenames in glib use
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// the locale encoding. If it's not set, they use UTF-8.
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mUseLocaleFilenames = PR_GetEnv("G_BROKEN_FILENAMES") != nullptr;
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if (GetAppPathFromLauncher())
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return NS_OK;
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nsCOMPtr<nsIProperties> dirSvc
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(do_GetService("@mozilla.org/file/directory_service;1"));
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NS_ENSURE_TRUE(dirSvc, NS_ERROR_NOT_AVAILABLE);
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nsCOMPtr<nsIFile> appPath;
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rv = dirSvc->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile),
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getter_AddRefs(appPath));
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NS_ENSURE_SUCCESS(rv, rv);
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return appPath->GetNativePath(mAppPath);
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}
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NS_IMPL_ISUPPORTS(nsGNOMEShellService, nsIShellService)
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bool
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nsGNOMEShellService::GetAppPathFromLauncher()
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{
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gchar *tmp;
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const char *launcher = PR_GetEnv("MOZ_APP_LAUNCHER");
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if (!launcher)
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return false;
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if (g_path_is_absolute(launcher)) {
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mAppPath = launcher;
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tmp = g_path_get_basename(launcher);
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gchar *fullpath = g_find_program_in_path(tmp);
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if (fullpath && mAppPath.Equals(fullpath))
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mAppIsInPath = true;
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g_free(fullpath);
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} else {
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tmp = g_find_program_in_path(launcher);
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if (!tmp)
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return false;
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mAppPath = tmp;
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mAppIsInPath = true;
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}
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g_free(tmp);
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return true;
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}
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bool
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nsGNOMEShellService::KeyMatchesAppName(const char *aKeyValue) const
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{
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gchar *commandPath;
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if (mUseLocaleFilenames) {
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gchar *nativePath = g_filename_from_utf8(aKeyValue, -1,
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nullptr, nullptr, nullptr);
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if (!nativePath) {
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NS_ERROR("Error converting path to filesystem encoding");
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return false;
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}
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commandPath = g_find_program_in_path(nativePath);
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g_free(nativePath);
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} else {
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commandPath = g_find_program_in_path(aKeyValue);
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}
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if (!commandPath)
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return false;
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bool matches = mAppPath.Equals(commandPath);
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g_free(commandPath);
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return matches;
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}
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bool
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nsGNOMEShellService::CheckHandlerMatchesAppName(const nsACString &handler) const
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{
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gint argc;
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gchar **argv;
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nsAutoCString command(handler);
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// The string will be something of the form: [/path/to/]browser "%s"
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// We want to remove all of the parameters and get just the binary name.
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if (g_shell_parse_argv(command.get(), &argc, &argv, nullptr) && argc > 0) {
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command.Assign(argv[0]);
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g_strfreev(argv);
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}
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if (!KeyMatchesAppName(command.get()))
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return false; // the handler is set to another app
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return true;
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}
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NS_IMETHODIMP
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nsGNOMEShellService::IsDefaultBrowser(bool aStartupCheck,
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bool aForAllTypes,
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bool* aIsDefaultBrowser)
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{
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*aIsDefaultBrowser = false;
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if (aStartupCheck)
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mCheckedThisSession = true;
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nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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bool enabled;
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nsAutoCString handler;
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nsCOMPtr<nsIGIOMimeApp> gioApp;
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for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
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if (!appProtocols[i].essential)
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continue;
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if (gconf) {
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handler.Truncate();
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gconf->GetAppForProtocol(nsDependentCString(appProtocols[i].name),
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&enabled, handler);
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if (!CheckHandlerMatchesAppName(handler) || !enabled)
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return NS_OK; // the handler is disabled or set to another app
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}
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if (giovfs) {
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handler.Truncate();
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giovfs->GetAppForURIScheme(nsDependentCString(appProtocols[i].name),
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getter_AddRefs(gioApp));
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if (!gioApp)
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return NS_OK;
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gioApp->GetCommand(handler);
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if (!CheckHandlerMatchesAppName(handler))
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return NS_OK; // the handler is set to another app
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}
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}
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*aIsDefaultBrowser = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGNOMEShellService::SetDefaultBrowser(bool aClaimAllTypes,
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bool aForAllUsers)
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{
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#ifdef DEBUG
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if (aForAllUsers)
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NS_WARNING("Setting the default browser for all users is not yet supported");
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#endif
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nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (gconf) {
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nsAutoCString appKeyValue;
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if (mAppIsInPath) {
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// mAppPath is in the users path, so use only the basename as the launcher
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gchar *tmp = g_path_get_basename(mAppPath.get());
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appKeyValue = tmp;
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g_free(tmp);
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} else {
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appKeyValue = mAppPath;
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}
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appKeyValue.AppendLiteral(" %s");
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for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
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if (appProtocols[i].essential || aClaimAllTypes) {
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gconf->SetAppForProtocol(nsDependentCString(appProtocols[i].name),
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appKeyValue);
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}
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}
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}
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if (giovfs) {
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nsresult rv;
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nsCOMPtr<nsIStringBundleService> bundleService =
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do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIStringBundle> brandBundle;
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rv = bundleService->CreateBundle(BRAND_PROPERTIES, getter_AddRefs(brandBundle));
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NS_ENSURE_SUCCESS(rv, rv);
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nsString brandShortName;
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brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
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getter_Copies(brandShortName));
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// use brandShortName as the application id.
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NS_ConvertUTF16toUTF8 id(brandShortName);
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nsCOMPtr<nsIGIOMimeApp> appInfo;
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rv = giovfs->CreateAppFromCommand(mAppPath,
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id,
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getter_AddRefs(appInfo));
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NS_ENSURE_SUCCESS(rv, rv);
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// set handler for the protocols
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for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
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if (appProtocols[i].essential || aClaimAllTypes) {
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appInfo->SetAsDefaultForURIScheme(nsDependentCString(appProtocols[i].name));
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}
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}
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// set handler for .html and xhtml files and MIME types:
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if (aClaimAllTypes) {
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// Add mime types for html, xhtml extension and set app to just created appinfo.
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for (unsigned int i = 0; i < ArrayLength(appTypes); ++i) {
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appInfo->SetAsDefaultForMimeType(nsDependentCString(appTypes[i].mimeType));
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appInfo->SetAsDefaultForFileExtensions(nsDependentCString(appTypes[i].extensions));
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}
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}
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}
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nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
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if (prefs) {
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(void) prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, true);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGNOMEShellService::GetShouldCheckDefaultBrowser(bool* aResult)
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{
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// If we've already checked, the browser has been started and this is a
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// new window open, and we don't want to check again.
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if (mCheckedThisSession) {
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*aResult = false;
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return NS_OK;
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}
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nsresult rv;
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nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
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if (NS_FAILED(rv)) {
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return rv;
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}
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return prefs->GetBoolPref(PREF_CHECKDEFAULTBROWSER, aResult);
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}
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NS_IMETHODIMP
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nsGNOMEShellService::SetShouldCheckDefaultBrowser(bool aShouldCheck)
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{
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nsresult rv;
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nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID, &rv));
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if (NS_FAILED(rv)) {
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return rv;
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}
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return prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, aShouldCheck);
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}
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NS_IMETHODIMP
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nsGNOMEShellService::GetCanSetDesktopBackground(bool* aResult)
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{
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// setting desktop background is currently only supported
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// for Gnome or desktops using the same GSettings and GConf keys
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const char* gnomeSession = getenv("GNOME_DESKTOP_SESSION_ID");
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if (gnomeSession) {
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*aResult = true;
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} else {
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*aResult = false;
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}
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return NS_OK;
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}
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static nsresult
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WriteImage(const nsCString& aPath, imgIContainer* aImage)
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{
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#if !defined(MOZ_WIDGET_GTK)
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return NS_ERROR_NOT_AVAILABLE;
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#else
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nsCOMPtr<nsIImageToPixbuf> imgToPixbuf =
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do_GetService("@mozilla.org/widget/image-to-gdk-pixbuf;1");
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if (!imgToPixbuf)
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return NS_ERROR_NOT_AVAILABLE;
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GdkPixbuf* pixbuf = imgToPixbuf->ConvertImageToPixbuf(aImage);
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if (!pixbuf)
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return NS_ERROR_NOT_AVAILABLE;
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gboolean res = gdk_pixbuf_save(pixbuf, aPath.get(), "png", nullptr, nullptr);
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g_object_unref(pixbuf);
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return res ? NS_OK : NS_ERROR_FAILURE;
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#endif
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}
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NS_IMETHODIMP
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nsGNOMEShellService::SetDesktopBackground(nsIDOMElement* aElement,
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int32_t aPosition)
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{
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nsresult rv;
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nsCOMPtr<nsIImageLoadingContent> imageContent = do_QueryInterface(aElement, &rv);
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if (!imageContent) return rv;
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// get the image container
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nsCOMPtr<imgIRequest> request;
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rv = imageContent->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
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getter_AddRefs(request));
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if (!request) return rv;
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nsCOMPtr<imgIContainer> container;
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rv = request->GetImage(getter_AddRefs(container));
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if (!container) return rv;
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// Set desktop wallpaper filling style
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nsAutoCString options;
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if (aPosition == BACKGROUND_TILE)
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options.AssignLiteral("wallpaper");
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else if (aPosition == BACKGROUND_STRETCH)
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options.AssignLiteral("stretched");
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else if (aPosition == BACKGROUND_FILL)
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options.AssignLiteral("zoom");
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else if (aPosition == BACKGROUND_FIT)
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options.AssignLiteral("scaled");
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else
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options.AssignLiteral("centered");
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// Write the background file to the home directory.
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nsAutoCString filePath(PR_GetEnv("HOME"));
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// get the product brand name from localized strings
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nsString brandName;
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nsCID bundleCID = NS_STRINGBUNDLESERVICE_CID;
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nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(bundleCID));
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if (bundleService) {
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nsCOMPtr<nsIStringBundle> brandBundle;
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rv = bundleService->CreateBundle(BRAND_PROPERTIES,
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getter_AddRefs(brandBundle));
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if (NS_SUCCEEDED(rv) && brandBundle) {
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rv = brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
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getter_Copies(brandName));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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}
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// build the file name
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filePath.Append('/');
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filePath.Append(NS_ConvertUTF16toUTF8(brandName));
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filePath.AppendLiteral("_wallpaper.png");
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// write the image to a file in the home dir
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rv = WriteImage(filePath, container);
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NS_ENSURE_SUCCESS(rv, rv);
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// Try GSettings first. If we don't have GSettings or the right schema, fall back
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// to using GConf instead. Note that if GSettings works ok, the changes get
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// mirrored to GConf by the gsettings->gconf bridge in gnome-settings-daemon
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nsCOMPtr<nsIGSettingsService> gsettings =
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do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
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if (gsettings) {
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nsCOMPtr<nsIGSettingsCollection> background_settings;
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gsettings->GetCollectionForSchema(
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NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
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if (background_settings) {
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gchar *file_uri = g_filename_to_uri(filePath.get(), nullptr, nullptr);
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if (!file_uri)
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return NS_ERROR_FAILURE;
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background_settings->SetString(NS_LITERAL_CSTRING(kDesktopOptionGSKey),
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options);
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background_settings->SetString(NS_LITERAL_CSTRING(kDesktopImageGSKey),
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nsDependentCString(file_uri));
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g_free(file_uri);
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background_settings->SetBoolean(NS_LITERAL_CSTRING(kDesktopDrawBGGSKey),
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true);
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return rv;
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}
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}
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// if the file was written successfully, set it as the system wallpaper
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nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
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if (gconf) {
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gconf->SetString(NS_LITERAL_CSTRING(kDesktopOptionsKey), options);
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// Set the image to an empty string first to force a refresh
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// (since we could be writing a new image on top of an existing
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// Firefox_wallpaper.png and nautilus doesn't monitor the file for changes)
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gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey),
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EmptyCString());
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gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey), filePath);
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gconf->SetBool(NS_LITERAL_CSTRING(kDesktopDrawBGKey), true);
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}
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return rv;
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}
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#define COLOR_16_TO_8_BIT(_c) ((_c) >> 8)
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#define COLOR_8_TO_16_BIT(_c) ((_c) << 8 | (_c))
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NS_IMETHODIMP
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nsGNOMEShellService::GetDesktopBackgroundColor(uint32_t *aColor)
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{
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nsCOMPtr<nsIGSettingsService> gsettings =
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do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
|
|
nsCOMPtr<nsIGSettingsCollection> background_settings;
|
|
nsAutoCString background;
|
|
|
|
if (gsettings) {
|
|
gsettings->GetCollectionForSchema(
|
|
NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
|
|
if (background_settings) {
|
|
background_settings->GetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
|
|
background);
|
|
}
|
|
}
|
|
|
|
if (!background_settings) {
|
|
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
|
|
if (gconf)
|
|
gconf->GetString(NS_LITERAL_CSTRING(kDesktopColorKey), background);
|
|
}
|
|
|
|
if (background.IsEmpty()) {
|
|
*aColor = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
GdkColor color;
|
|
gboolean success = gdk_color_parse(background.get(), &color);
|
|
|
|
NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
|
|
|
|
*aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
|
|
COLOR_16_TO_8_BIT(color.green) << 8 |
|
|
COLOR_16_TO_8_BIT(color.blue);
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
ColorToCString(uint32_t aColor, nsCString& aResult)
|
|
{
|
|
// The #rrrrggggbbbb format is used to match gdk_color_to_string()
|
|
char *buf = aResult.BeginWriting(13);
|
|
if (!buf)
|
|
return;
|
|
|
|
uint16_t red = COLOR_8_TO_16_BIT((aColor >> 16) & 0xff);
|
|
uint16_t green = COLOR_8_TO_16_BIT((aColor >> 8) & 0xff);
|
|
uint16_t blue = COLOR_8_TO_16_BIT(aColor & 0xff);
|
|
|
|
PR_snprintf(buf, 14, "#%04x%04x%04x", red, green, blue);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsGNOMEShellService::SetDesktopBackgroundColor(uint32_t aColor)
|
|
{
|
|
NS_ASSERTION(aColor <= 0xffffff, "aColor has extra bits");
|
|
nsAutoCString colorString;
|
|
ColorToCString(aColor, colorString);
|
|
|
|
nsCOMPtr<nsIGSettingsService> gsettings =
|
|
do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
|
|
if (gsettings) {
|
|
nsCOMPtr<nsIGSettingsCollection> background_settings;
|
|
gsettings->GetCollectionForSchema(
|
|
NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
|
|
if (background_settings) {
|
|
background_settings->SetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
|
|
colorString);
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
|
|
|
|
if (gconf) {
|
|
gconf->SetString(NS_LITERAL_CSTRING(kDesktopColorKey), colorString);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsGNOMEShellService::OpenApplication(int32_t aApplication)
|
|
{
|
|
nsAutoCString scheme;
|
|
if (aApplication == APPLICATION_MAIL)
|
|
scheme.AssignLiteral("mailto");
|
|
else if (aApplication == APPLICATION_NEWS)
|
|
scheme.AssignLiteral("news");
|
|
else
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (giovfs) {
|
|
nsCOMPtr<nsIGIOMimeApp> gioApp;
|
|
giovfs->GetAppForURIScheme(scheme, getter_AddRefs(gioApp));
|
|
if (gioApp)
|
|
return gioApp->Launch(EmptyCString());
|
|
}
|
|
|
|
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
|
|
if (!gconf)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
bool enabled;
|
|
nsAutoCString appCommand;
|
|
gconf->GetAppForProtocol(scheme, &enabled, appCommand);
|
|
|
|
if (!enabled)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// XXX we don't currently handle launching a terminal window.
|
|
// If the handler requires a terminal, bail.
|
|
bool requiresTerminal;
|
|
gconf->HandlerRequiresTerminal(scheme, &requiresTerminal);
|
|
if (requiresTerminal)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// Perform shell argument expansion
|
|
int argc;
|
|
char **argv;
|
|
if (!g_shell_parse_argv(appCommand.get(), &argc, &argv, nullptr))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
char **newArgv = new char*[argc + 1];
|
|
int newArgc = 0;
|
|
|
|
// Run through the list of arguments. Copy all of them to the new
|
|
// argv except for %s, which we skip.
|
|
for (int i = 0; i < argc; ++i) {
|
|
if (strcmp(argv[i], "%s") != 0)
|
|
newArgv[newArgc++] = argv[i];
|
|
}
|
|
|
|
newArgv[newArgc] = nullptr;
|
|
|
|
gboolean err = g_spawn_async(nullptr, newArgv, nullptr, G_SPAWN_SEARCH_PATH,
|
|
nullptr, nullptr, nullptr, nullptr);
|
|
|
|
g_strfreev(argv);
|
|
delete[] newArgv;
|
|
|
|
return err ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsGNOMEShellService::OpenApplicationWithURI(nsIFile* aApplication, const nsACString& aURI)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIProcess> process =
|
|
do_CreateInstance("@mozilla.org/process/util;1", &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = process->Init(aApplication);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
const nsCString spec(aURI);
|
|
const char* specStr = spec.get();
|
|
return process->Run(false, &specStr, 1);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsGNOMEShellService::GetDefaultFeedReader(nsIFile** _retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|