/* 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/. */ "use strict"; const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu, manager: Cm} = Components; this.EXPORTED_SYMBOLS = [ "EME_ADOBE_ID", "GMP_PLUGIN_IDS", "GMPPrefs", "GMPUtils", "OPEN_H264_ID", "WIDEVINE_ID" ]; Cu.import("resource://gre/modules/Preferences.jsm"); Cu.import("resource://gre/modules/Services.jsm"); Cu.import("resource://gre/modules/AppConstants.jsm"); // GMP IDs const OPEN_H264_ID = "gmp-gmpopenh264"; const EME_ADOBE_ID = "gmp-eme-adobe"; const WIDEVINE_ID = "gmp-widevinecdm"; const GMP_PLUGIN_IDS = [ OPEN_H264_ID, EME_ADOBE_ID, WIDEVINE_ID ]; var GMPPluginUnsupportedReason = { NOT_WINDOWS: 1, WINDOWS_VERSION: 2, }; var GMPPluginHiddenReason = { UNSUPPORTED: 1, EME_DISABLED: 2, }; this.GMPUtils = { /** * Checks whether or not a given plugin is hidden. Hidden plugins are neither * downloaded nor displayed in the addons manager. * @param aPlugin * The plugin to check. */ isPluginHidden: function(aPlugin) { if (this._is32bitModeMacOS()) { // GMPs are hidden on MacOS when running in 32 bit mode. // See bug 1291537. return true; } if (!aPlugin.isEME) { return false; } if (!this._isPluginSupported(aPlugin) || !this._isPluginVisible(aPlugin)) { return true; } if (!GMPPrefs.get(GMPPrefs.KEY_EME_ENABLED, true)) { return true; } return false; }, /** * Checks whether or not a given plugin is supported by the current OS. * @param aPlugin * The plugin to check. */ _isPluginSupported: function(aPlugin) { if (this._isPluginForceSupported(aPlugin)) { return true; } if (aPlugin.id == EME_ADOBE_ID) { // Windows Vista and later only supported by Adobe EME. return AppConstants.isPlatformAndVersionAtLeast("win", "6"); } else if (aPlugin.id == WIDEVINE_ID) { // The Widevine plugin is available for Windows versions Vista and later, // Mac OSX, and Linux. return AppConstants.isPlatformAndVersionAtLeast("win", "6") || AppConstants.platform == "macosx" || AppConstants.platform == "linux"; } return true; }, _is32bitModeMacOS: function() { if (AppConstants.platform != "macosx") { return false; } return Services.appinfo.XPCOMABI.split("-")[0] == "x86"; }, /** * Checks whether or not a given plugin is visible in the addons manager * UI and the "enable DRM" notification box. This can be used to test * plugins that aren't yet turned on in the mozconfig. * @param aPlugin * The plugin to check. */ _isPluginVisible: function(aPlugin) { return GMPPrefs.get(GMPPrefs.KEY_PLUGIN_VISIBLE, false, aPlugin.id); }, /** * Checks whether or not a given plugin is forced-supported. This is used * in automated tests to override the checks that prevent GMPs running on an * unsupported platform. * @param aPlugin * The plugin to check. */ _isPluginForceSupported: function(aPlugin) { return GMPPrefs.get(GMPPrefs.KEY_PLUGIN_FORCE_SUPPORTED, false, aPlugin.id); }, }; /** * Manages preferences for GMP addons */ this.GMPPrefs = { KEY_EME_ENABLED: "media.eme.enabled", KEY_PLUGIN_ENABLED: "media.{0}.enabled", KEY_PLUGIN_LAST_UPDATE: "media.{0}.lastUpdate", KEY_PLUGIN_VERSION: "media.{0}.version", KEY_PLUGIN_AUTOUPDATE: "media.{0}.autoupdate", KEY_PLUGIN_VISIBLE: "media.{0}.visible", KEY_PLUGIN_ABI: "media.{0}.abi", KEY_PLUGIN_FORCE_SUPPORTED: "media.{0}.forceSupported", KEY_URL: "media.gmp-manager.url", KEY_URL_OVERRIDE: "media.gmp-manager.url.override", KEY_CERT_CHECKATTRS: "media.gmp-manager.cert.checkAttributes", KEY_CERT_REQUIREBUILTIN: "media.gmp-manager.cert.requireBuiltIn", KEY_UPDATE_LAST_CHECK: "media.gmp-manager.lastCheck", KEY_SECONDS_BETWEEN_CHECKS: "media.gmp-manager.secondsBetweenChecks", KEY_UPDATE_ENABLED: "media.gmp-manager.updateEnabled", KEY_APP_DISTRIBUTION: "distribution.id", KEY_APP_DISTRIBUTION_VERSION: "distribution.version", KEY_BUILDID: "media.gmp-manager.buildID", KEY_CERTS_BRANCH: "media.gmp-manager.certs.", KEY_PROVIDER_ENABLED: "media.gmp-provider.enabled", KEY_LOG_BASE: "media.gmp.log.", KEY_LOGGING_LEVEL: "media.gmp.log.level", KEY_LOGGING_DUMP: "media.gmp.log.dump", /** * Obtains the specified preference in relation to the specified plugin. * @param aKey The preference key value to use. * @param aDefaultValue The default value if no preference exists. * @param aPlugin The plugin to scope the preference to. * @return The obtained preference value, or the defaultValue if none exists. */ get: function(aKey, aDefaultValue, aPlugin) { if (aKey === this.KEY_APP_DISTRIBUTION || aKey === this.KEY_APP_DISTRIBUTION_VERSION) { return Services.prefs.getDefaultBranch(null).getCharPref(aKey, "default"); } return Preferences.get(this.getPrefKey(aKey, aPlugin), aDefaultValue); }, /** * Sets the specified preference in relation to the specified plugin. * @param aKey The preference key value to use. * @param aVal The value to set. * @param aPlugin The plugin to scope the preference to. */ set: function(aKey, aVal, aPlugin) { Preferences.set(this.getPrefKey(aKey, aPlugin), aVal); }, /** * Checks whether or not the specified preference is set in relation to the * specified plugin. * @param aKey The preference key value to use. * @param aPlugin The plugin to scope the preference to. * @return true if the preference is set, false otherwise. */ isSet: function(aKey, aPlugin) { return Preferences.isSet(this.getPrefKey(aKey, aPlugin)); }, /** * Resets the specified preference in relation to the specified plugin to its * default. * @param aKey The preference key value to use. * @param aPlugin The plugin to scope the preference to. */ reset: function(aKey, aPlugin) { Preferences.reset(this.getPrefKey(aKey, aPlugin)); }, /** * Scopes the specified preference key to the specified plugin. * @param aKey The preference key value to use. * @param aPlugin The plugin to scope the preference to. * @return A preference key scoped to the specified plugin. */ getPrefKey: function(aKey, aPlugin) { return aKey.replace("{0}", aPlugin || ""); }, };