зеркало из https://github.com/mozilla/gecko-dev.git
241 строка
8.4 KiB
JavaScript
241 строка
8.4 KiB
JavaScript
/* 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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"use strict";
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var EXPORTED_SYMBOLS = [ "GMP_PLUGIN_IDS",
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"GMPPrefs",
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"GMPUtils",
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"OPEN_H264_ID",
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"WIDEVINE_ID" ];
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const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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const {AppConstants} = ChromeUtils.import("resource://gre/modules/AppConstants.jsm");
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const {UpdateUtils} = ChromeUtils.import("resource://gre/modules/UpdateUtils.jsm");
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// GMP IDs
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const OPEN_H264_ID = "gmp-gmpopenh264";
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const WIDEVINE_ID = "gmp-widevinecdm";
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const GMP_PLUGIN_IDS = [ OPEN_H264_ID, WIDEVINE_ID ];
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var GMPUtils = {
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/**
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* Checks whether or not a given plugin is hidden. Hidden plugins are neither
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* downloaded nor displayed in the addons manager.
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* @param aPlugin
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* The plugin to check.
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*/
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isPluginHidden(aPlugin) {
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if (this._is32bitModeMacOS()) {
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// GMPs are hidden on MacOS when running in 32 bit mode.
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// See bug 1291537.
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return true;
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}
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if (!aPlugin.isEME) {
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return false;
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}
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if (!this._isPluginSupported(aPlugin) ||
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!this._isPluginVisible(aPlugin)) {
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return true;
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}
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if (!GMPPrefs.getBool(GMPPrefs.KEY_EME_ENABLED, true)) {
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return true;
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}
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return false;
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},
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/**
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* Checks whether or not a given plugin is supported by the current OS.
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* @param aPlugin
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* The plugin to check.
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*/
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_isPluginSupported(aPlugin) {
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if (this._isPluginForceSupported(aPlugin)) {
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return true;
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}
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if (aPlugin.id == WIDEVINE_ID) {
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// The Widevine plugin is available for Windows versions Vista and later,
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// Mac OSX, and Linux.
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return AppConstants.platform == "win" ||
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AppConstants.platform == "macosx" ||
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AppConstants.platform == "linux";
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}
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return true;
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},
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_is32bitModeMacOS() {
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if (AppConstants.platform != "macosx") {
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return false;
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}
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return Services.appinfo.XPCOMABI.split("-")[0] == "x86";
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},
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/**
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* Checks whether or not a given plugin is visible in the addons manager
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* UI and the "enable DRM" notification box. This can be used to test
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* plugins that aren't yet turned on in the mozconfig.
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* @param aPlugin
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* The plugin to check.
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*/
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_isPluginVisible(aPlugin) {
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return GMPPrefs.getBool(GMPPrefs.KEY_PLUGIN_VISIBLE, false, aPlugin.id);
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},
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/**
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* Checks whether or not a given plugin is forced-supported. This is used
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* in automated tests to override the checks that prevent GMPs running on an
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* unsupported platform.
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* @param aPlugin
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* The plugin to check.
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*/
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_isPluginForceSupported(aPlugin) {
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return GMPPrefs.getBool(GMPPrefs.KEY_PLUGIN_FORCE_SUPPORTED, false, aPlugin.id);
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},
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_isWindowsOnARM64() {
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return AppConstants.platform == "win" && UpdateUtils.ABI.match(/aarch64/);
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},
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_expectedABI(aPlugin) {
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let defaultABI = UpdateUtils.ABI;
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if (aPlugin.id == WIDEVINE_ID && this._isWindowsOnARM64()) {
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// On Windows on aarch64, we need the x86 plugin,
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// as there's no native aarch64 plugins yet.
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defaultABI = defaultABI.replace(/aarch64/g, "x86");
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}
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return defaultABI;
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},
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};
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/**
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* Manages preferences for GMP addons
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*/
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var GMPPrefs = {
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KEY_EME_ENABLED: "media.eme.enabled",
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KEY_PLUGIN_ENABLED: "media.{0}.enabled",
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KEY_PLUGIN_LAST_UPDATE: "media.{0}.lastUpdate",
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KEY_PLUGIN_VERSION: "media.{0}.version",
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KEY_PLUGIN_AUTOUPDATE: "media.{0}.autoupdate",
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KEY_PLUGIN_VISIBLE: "media.{0}.visible",
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KEY_PLUGIN_ABI: "media.{0}.abi",
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KEY_PLUGIN_FORCE_SUPPORTED: "media.{0}.forceSupported",
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KEY_URL: "media.gmp-manager.url",
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KEY_URL_OVERRIDE: "media.gmp-manager.url.override",
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KEY_CERT_CHECKATTRS: "media.gmp-manager.cert.checkAttributes",
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KEY_CERT_REQUIREBUILTIN: "media.gmp-manager.cert.requireBuiltIn",
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KEY_UPDATE_LAST_CHECK: "media.gmp-manager.lastCheck",
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KEY_SECONDS_BETWEEN_CHECKS: "media.gmp-manager.secondsBetweenChecks",
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KEY_UPDATE_ENABLED: "media.gmp-manager.updateEnabled",
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KEY_APP_DISTRIBUTION: "distribution.id",
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KEY_APP_DISTRIBUTION_VERSION: "distribution.version",
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KEY_BUILDID: "media.gmp-manager.buildID",
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KEY_CERTS_BRANCH: "media.gmp-manager.certs.",
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KEY_PROVIDER_ENABLED: "media.gmp-provider.enabled",
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KEY_LOG_BASE: "media.gmp.log.",
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KEY_LOGGING_LEVEL: "media.gmp.log.level",
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KEY_LOGGING_DUMP: "media.gmp.log.dump",
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/**
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* Obtains the specified string preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aDefaultValue The default value if no preference exists.
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* @param aPlugin The plugin to scope the preference to.
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* @return The obtained preference value, or the defaultValue if none exists.
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*/
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getString(aKey, aDefaultValue, aPlugin) {
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if (aKey === this.KEY_APP_DISTRIBUTION ||
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aKey === this.KEY_APP_DISTRIBUTION_VERSION) {
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return Services.prefs.getDefaultBranch(null).getCharPref(aKey, "default");
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}
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return Services.prefs.getStringPref(this.getPrefKey(aKey, aPlugin), aDefaultValue);
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},
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/**
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* Obtains the specified int preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aDefaultValue The default value if no preference exists.
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* @param aPlugin The plugin to scope the preference to.
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* @return The obtained preference value, or the defaultValue if none exists.
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*/
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getInt(aKey, aDefaultValue, aPlugin) {
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return Services.prefs.getIntPref(this.getPrefKey(aKey, aPlugin), aDefaultValue);
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},
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/**
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* Obtains the specified bool preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aDefaultValue The default value if no preference exists.
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* @param aPlugin The plugin to scope the preference to.
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* @return The obtained preference value, or the defaultValue if none exists.
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*/
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getBool(aKey, aDefaultValue, aPlugin) {
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return Services.prefs.getBoolPref(this.getPrefKey(aKey, aPlugin), aDefaultValue);
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},
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/**
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* Sets the specified string preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aVal The value to set.
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* @param aPlugin The plugin to scope the preference to.
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*/
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setString(aKey, aVal, aPlugin) {
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Services.prefs.setStringPref(this.getPrefKey(aKey, aPlugin), aVal);
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},
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/**
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* Sets the specified bool preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aVal The value to set.
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* @param aPlugin The plugin to scope the preference to.
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*/
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setBool(aKey, aVal, aPlugin) {
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Services.prefs.setBoolPref(this.getPrefKey(aKey, aPlugin), aVal);
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},
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/**
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* Sets the specified int preference in relation to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aVal The value to set.
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* @param aPlugin The plugin to scope the preference to.
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*/
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setInt(aKey, aVal, aPlugin) {
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Services.prefs.setIntPref(this.getPrefKey(aKey, aPlugin), aVal);
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},
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/**
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* Checks whether or not the specified preference is set in relation to the
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* specified plugin.
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* @param aKey The preference key value to use.
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* @param aPlugin The plugin to scope the preference to.
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* @return true if the preference is set, false otherwise.
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*/
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isSet(aKey, aPlugin) {
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return Services.prefs.prefHasUserValue(this.getPrefKey(aKey, aPlugin));
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},
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/**
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* Resets the specified preference in relation to the specified plugin to its
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* default.
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* @param aKey The preference key value to use.
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* @param aPlugin The plugin to scope the preference to.
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*/
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reset(aKey, aPlugin) {
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Services.prefs.clearUserPref(this.getPrefKey(aKey, aPlugin));
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},
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/**
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* Scopes the specified preference key to the specified plugin.
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* @param aKey The preference key value to use.
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* @param aPlugin The plugin to scope the preference to.
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* @return A preference key scoped to the specified plugin.
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*/
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getPrefKey(aKey, aPlugin) {
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return aKey.replace("{0}", aPlugin || "");
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},
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};
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