diff options
Diffstat (limited to 'webbrowser/components/shell/nsGNOMEShellService.cpp')
| -rw-r--r-- | webbrowser/components/shell/nsGNOMEShellService.cpp | 637 |
1 files changed, 637 insertions, 0 deletions
diff --git a/webbrowser/components/shell/nsGNOMEShellService.cpp b/webbrowser/components/shell/nsGNOMEShellService.cpp new file mode 100644 index 0000000..9bc5f59 --- /dev/null +++ b/webbrowser/components/shell/nsGNOMEShellService.cpp @@ -0,0 +1,637 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/ArrayUtils.h" + +#include "nsCOMPtr.h" +#include "nsGNOMEShellService.h" +#include "nsShellService.h" +#include "nsIServiceManager.h" +#include "nsIFile.h" +#include "nsIProperties.h" +#include "nsDirectoryServiceDefs.h" +#include "nsIPrefService.h" +#include "prenv.h" +#include "nsStringAPI.h" +#include "nsIGConfService.h" +#include "nsIGIOService.h" +#include "nsIGSettingsService.h" +#include "nsIStringBundle.h" +#include "nsIOutputStream.h" +#include "nsIProcess.h" +#include "nsServiceManagerUtils.h" +#include "nsComponentManagerUtils.h" +#include "nsIDOMHTMLImageElement.h" +#include "nsIImageLoadingContent.h" +#include "imgIRequest.h" +#include "imgIContainer.h" +#include "mozilla/Sprintf.h" +#if defined(MOZ_WIDGET_GTK) +#include "nsIImageToPixbuf.h" +#endif +#include "nsXULAppAPI.h" + +#include <glib.h> +#include <glib-object.h> +#include <gtk/gtk.h> +#include <gdk/gdk.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <limits.h> +#include <stdlib.h> + +using namespace mozilla; + +struct ProtocolAssociation +{ + const char *name; + bool essential; +}; + +struct MimeTypeAssociation +{ + const char *mimeType; + const char *extensions; +}; + +static const ProtocolAssociation appProtocols[] = { + { "http", true }, + { "https", true }, + { "ftp", false }, + { "chrome", false } +}; + +static const MimeTypeAssociation appTypes[] = { + { "text/html", "htm html shtml" }, + { "application/xhtml+xml", "xhtml xht" } +}; + +// GConf registry key constants +#define DG_BACKGROUND "/desktop/gnome/background" + +static const char kDesktopImageKey[] = DG_BACKGROUND "/picture_filename"; +static const char kDesktopOptionsKey[] = DG_BACKGROUND "/picture_options"; +static const char kDesktopDrawBGKey[] = DG_BACKGROUND "/draw_background"; +static const char kDesktopColorKey[] = DG_BACKGROUND "/primary_color"; + +static const char kDesktopBGSchema[] = "org.gnome.desktop.background"; +static const char kDesktopImageGSKey[] = "picture-uri"; +static const char kDesktopOptionGSKey[] = "picture-options"; +static const char kDesktopDrawBGGSKey[] = "draw-background"; +static const char kDesktopColorGSKey[] = "primary-color"; + +nsresult +nsGNOMEShellService::Init() +{ + nsresult rv; + + // GConf, GSettings or GIO _must_ be available, or we do not allow + // CreateInstance to succeed. + + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); + nsCOMPtr<nsIGIOService> giovfs = + do_GetService(NS_GIOSERVICE_CONTRACTID); + nsCOMPtr<nsIGSettingsService> gsettings = + do_GetService(NS_GSETTINGSSERVICE_CONTRACTID); + + if (!gconf && !giovfs && !gsettings) + return NS_ERROR_NOT_AVAILABLE; + + // Check G_BROKEN_FILENAMES. If it's set, then filenames in glib use + // the locale encoding. If it's not set, they use UTF-8. + mUseLocaleFilenames = PR_GetEnv("G_BROKEN_FILENAMES") != nullptr; + + if (GetAppPathFromLauncher()) + return NS_OK; + + nsCOMPtr<nsIProperties> dirSvc + (do_GetService("@mozilla.org/file/directory_service;1")); + NS_ENSURE_TRUE(dirSvc, NS_ERROR_NOT_AVAILABLE); + + nsCOMPtr<nsIFile> appPath; + rv = dirSvc->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile), + getter_AddRefs(appPath)); + NS_ENSURE_SUCCESS(rv, rv); + + return appPath->GetNativePath(mAppPath); +} + +NS_IMPL_ISUPPORTS(nsGNOMEShellService, nsIGNOMEShellService, nsIShellService) + +bool +nsGNOMEShellService::GetAppPathFromLauncher() +{ + gchar *tmp; + + const char *launcher = PR_GetEnv("MOZ_APP_LAUNCHER"); + if (!launcher) + return false; + + if (g_path_is_absolute(launcher)) { + mAppPath = launcher; + tmp = g_path_get_basename(launcher); + gchar *fullpath = g_find_program_in_path(tmp); + if (fullpath && mAppPath.Equals(fullpath)) + mAppIsInPath = true; + g_free(fullpath); + } else { + tmp = g_find_program_in_path(launcher); + if (!tmp) + return false; + mAppPath = tmp; + mAppIsInPath = true; + } + + g_free(tmp); + return true; +} + +bool +nsGNOMEShellService::KeyMatchesAppName(const char *aKeyValue) const +{ + + gchar *commandPath; + if (mUseLocaleFilenames) { + gchar *nativePath = g_filename_from_utf8(aKeyValue, -1, + nullptr, nullptr, nullptr); + if (!nativePath) { + NS_ERROR("Error converting path to filesystem encoding"); + return false; + } + + commandPath = g_find_program_in_path(nativePath); + g_free(nativePath); + } else { + commandPath = g_find_program_in_path(aKeyValue); + } + + if (!commandPath) + return false; + + bool matches = mAppPath.Equals(commandPath); + g_free(commandPath); + return matches; +} + +bool +nsGNOMEShellService::CheckHandlerMatchesAppName(const nsACString &handler) const +{ + gint argc; + gchar **argv; + nsAutoCString command(handler); + + // The string will be something of the form: [/path/to/]browser "%s" + // We want to remove all of the parameters and get just the binary name. + + if (g_shell_parse_argv(command.get(), &argc, &argv, nullptr) && argc > 0) { + command.Assign(argv[0]); + g_strfreev(argv); + } + + if (!KeyMatchesAppName(command.get())) + return false; // the handler is set to another app + + return true; +} + +NS_IMETHODIMP +nsGNOMEShellService::IsDefaultBrowser(bool aStartupCheck, + bool aForAllTypes, + bool* aIsDefaultBrowser) +{ + *aIsDefaultBrowser = false; + + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); + + bool enabled; + nsAutoCString handler; + nsCOMPtr<nsIGIOMimeApp> gioApp; + + for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) { + if (!appProtocols[i].essential) + continue; + + if (gconf) { + handler.Truncate(); + gconf->GetAppForProtocol(nsDependentCString(appProtocols[i].name), + &enabled, handler); + + if (!CheckHandlerMatchesAppName(handler) || !enabled) + return NS_OK; // the handler is disabled or set to another app + } + + if (giovfs) { + handler.Truncate(); + giovfs->GetAppForURIScheme(nsDependentCString(appProtocols[i].name), + getter_AddRefs(gioApp)); + if (!gioApp) + return NS_OK; + + gioApp->GetCommand(handler); + + if (!CheckHandlerMatchesAppName(handler)) + return NS_OK; // the handler is set to another app + } + } + + *aIsDefaultBrowser = true; + + return NS_OK; +} + +NS_IMETHODIMP +nsGNOMEShellService::SetDefaultBrowser(bool aClaimAllTypes, + bool aForAllUsers) +{ +#ifdef DEBUG + if (aForAllUsers) + NS_WARNING("Setting the default browser for all users is not yet supported"); +#endif + + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); + nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID); + if (gconf) { + nsAutoCString appKeyValue; + if (mAppIsInPath) { + // mAppPath is in the users path, so use only the basename as the launcher + gchar *tmp = g_path_get_basename(mAppPath.get()); + appKeyValue = tmp; + g_free(tmp); + } else { + appKeyValue = mAppPath; + } + + appKeyValue.AppendLiteral(" %s"); + + for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) { + if (appProtocols[i].essential || aClaimAllTypes) { + gconf->SetAppForProtocol(nsDependentCString(appProtocols[i].name), + appKeyValue); + } + } + } + + if (giovfs) { + nsresult rv; + nsCOMPtr<nsIStringBundleService> bundleService = + do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv); + NS_ENSURE_SUCCESS(rv, rv); + + nsCOMPtr<nsIStringBundle> brandBundle; + rv = bundleService->CreateBundle(BRAND_PROPERTIES, getter_AddRefs(brandBundle)); + NS_ENSURE_SUCCESS(rv, rv); + + nsString brandShortName; + brandBundle->GetStringFromName(u"brandShortName", + getter_Copies(brandShortName)); + + // use brandShortName as the application id. + NS_ConvertUTF16toUTF8 id(brandShortName); + nsCOMPtr<nsIGIOMimeApp> appInfo; + rv = giovfs->CreateAppFromCommand(mAppPath, + id, + getter_AddRefs(appInfo)); + NS_ENSURE_SUCCESS(rv, rv); + + // set handler for the protocols + for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) { + if (appProtocols[i].essential || aClaimAllTypes) { + appInfo->SetAsDefaultForURIScheme(nsDependentCString(appProtocols[i].name)); + } + } + + // set handler for .html and xhtml files and MIME types: + if (aClaimAllTypes) { + // Add mime types for html, xhtml extension and set app to just created appinfo. + for (unsigned int i = 0; i < ArrayLength(appTypes); ++i) { + appInfo->SetAsDefaultForMimeType(nsDependentCString(appTypes[i].mimeType)); + appInfo->SetAsDefaultForFileExtensions(nsDependentCString(appTypes[i].extensions)); + } + } + } + + nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID)); + if (prefs) { + (void) prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, true); + // Reset the number of times the dialog should be shown + // before it is silenced. + (void) prefs->SetIntPref(PREF_DEFAULTBROWSERCHECKCOUNT, 0); + } + + return NS_OK; +} + +NS_IMETHODIMP +nsGNOMEShellService::GetCanSetDesktopBackground(bool* aResult) +{ + // setting desktop background is currently only supported + // for Gnome or desktops using the same GSettings and GConf keys + const char* gnomeSession = getenv("GNOME_DESKTOP_SESSION_ID"); + if (gnomeSession) { + *aResult = true; + } else { + *aResult = false; + } + + return NS_OK; +} + +static nsresult +WriteImage(const nsCString& aPath, imgIContainer* aImage) +{ +#if !defined(MOZ_WIDGET_GTK) + return NS_ERROR_NOT_AVAILABLE; +#else + nsCOMPtr<nsIImageToPixbuf> imgToPixbuf = + do_GetService("@mozilla.org/widget/image-to-gdk-pixbuf;1"); + if (!imgToPixbuf) + return NS_ERROR_NOT_AVAILABLE; + + GdkPixbuf* pixbuf = imgToPixbuf->ConvertImageToPixbuf(aImage); + if (!pixbuf) + return NS_ERROR_NOT_AVAILABLE; + + gboolean res = gdk_pixbuf_save(pixbuf, aPath.get(), "png", nullptr, nullptr); + + g_object_unref(pixbuf); + return res ? NS_OK : NS_ERROR_FAILURE; +#endif +} + +NS_IMETHODIMP +nsGNOMEShellService::SetDesktopBackground(nsIDOMElement* aElement, + int32_t aPosition) +{ + nsresult rv; + nsCOMPtr<nsIImageLoadingContent> imageContent = do_QueryInterface(aElement, &rv); + if (!imageContent) return rv; + + // get the image container + nsCOMPtr<imgIRequest> request; + rv = imageContent->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST, + getter_AddRefs(request)); + if (!request) return rv; + nsCOMPtr<imgIContainer> container; + rv = request->GetImage(getter_AddRefs(container)); + if (!container) return rv; + + // Set desktop wallpaper filling style + nsAutoCString options; + if (aPosition == BACKGROUND_TILE) + options.AssignLiteral("wallpaper"); + else if (aPosition == BACKGROUND_STRETCH) + options.AssignLiteral("stretched"); + else if (aPosition == BACKGROUND_FILL) + options.AssignLiteral("zoom"); + else if (aPosition == BACKGROUND_FIT) + options.AssignLiteral("scaled"); + else + options.AssignLiteral("centered"); + + // Write the background file to the home directory. + nsAutoCString filePath(PR_GetEnv("HOME")); + + // get the product brand name from localized strings + nsString brandName; + nsCID bundleCID = NS_STRINGBUNDLESERVICE_CID; + nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(bundleCID)); + if (bundleService) { + nsCOMPtr<nsIStringBundle> brandBundle; + rv = bundleService->CreateBundle(BRAND_PROPERTIES, + getter_AddRefs(brandBundle)); + if (NS_SUCCEEDED(rv) && brandBundle) { + rv = brandBundle->GetStringFromName(u"brandShortName", + getter_Copies(brandName)); + NS_ENSURE_SUCCESS(rv, rv); + } + } + + // build the file name + filePath.Append('/'); + filePath.Append(NS_ConvertUTF16toUTF8(brandName)); + filePath.AppendLiteral("_wallpaper.png"); + + // write the image to a file in the home dir + rv = WriteImage(filePath, container); + NS_ENSURE_SUCCESS(rv, rv); + + // Try GSettings first. If we don't have GSettings or the right schema, fall back + // to using GConf instead. Note that if GSettings works ok, the changes get + // mirrored to GConf by the gsettings->gconf bridge in gnome-settings-daemon + 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) { + gchar *file_uri = g_filename_to_uri(filePath.get(), nullptr, nullptr); + if (!file_uri) + return NS_ERROR_FAILURE; + + background_settings->SetString(NS_LITERAL_CSTRING(kDesktopOptionGSKey), + options); + + background_settings->SetString(NS_LITERAL_CSTRING(kDesktopImageGSKey), + nsDependentCString(file_uri)); + g_free(file_uri); + background_settings->SetBoolean(NS_LITERAL_CSTRING(kDesktopDrawBGGSKey), + true); + return rv; + } + } + + // if the file was written successfully, set it as the system wallpaper + nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID); + + if (gconf) { + gconf->SetString(NS_LITERAL_CSTRING(kDesktopOptionsKey), options); + + // Set the image to an empty string first to force a refresh + // (since we could be writing a new image on top of an existing + // PaleMoon_wallpaper.png and nautilus doesn't monitor the file for changes) + gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey), + EmptyCString()); + + gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey), filePath); + gconf->SetBool(NS_LITERAL_CSTRING(kDesktopDrawBGKey), true); + } + + return rv; +} + +#define COLOR_16_TO_8_BIT(_c) ((_c) >> 8) +#define COLOR_8_TO_16_BIT(_c) ((_c) << 8 | (_c)) + +NS_IMETHODIMP +nsGNOMEShellService::GetDesktopBackgroundColor(uint32_t *aColor) +{ + nsCOMPtr<nsIGSettingsService> gsettings = + 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); + + 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; +} |