tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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pictureInPicture.js (2890B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 /* global AppConstants, ChromeUtils, ExtensionAPI, Services */
      8 
      9 ChromeUtils.defineESModuleGetters(this, {
     10  KEYBOARD_CONTROLS: "resource://gre/modules/PictureInPictureControls.sys.mjs",
     11  TOGGLE_POLICIES: "resource://gre/modules/PictureInPictureControls.sys.mjs",
     12 });
     13 
     14 const TOGGLE_ENABLED_PREF =
     15  "media.videocontrols.picture-in-picture.video-toggle.enabled";
     16 
     17 /**
     18 * This API is expected to be running in the parent process.
     19 */
     20 this.pictureInPictureParent = class extends ExtensionAPI {
     21  /**
     22   * Override ExtensionAPI with PiP override's specific API
     23   * Relays the site overrides to this extension's child process
     24   *
     25   * @returns {object} returns the necessary API structure required to manage sharedData in PictureInPictureParent
     26   */
     27  getAPI() {
     28    return {
     29      pictureInPictureParent: {
     30        setOverrides(overrides) {
     31          // The Picture-in-Picture toggle is only implemented for Desktop, so make
     32          // this a no-op for non-Desktop builds.
     33          if (AppConstants.platform == "android") {
     34            return;
     35          }
     36 
     37          Services.ppmm.sharedData.set(
     38            "PictureInPicture:SiteOverrides",
     39            overrides
     40          );
     41        },
     42      },
     43    };
     44  }
     45 };
     46 
     47 /**
     48 * This API is expected to be running in a content process - specifically,
     49 * the WebExtension content process that the background scripts run in. We
     50 * split these out so that they can return values synchronously to the
     51 * background scripts.
     52 */
     53 this.pictureInPictureChild = class extends ExtensionAPI {
     54  /**
     55   * Override ExtensionAPI with PiP override's specific API
     56   * Clone constants into the Picture-in-Picture child process
     57   *
     58   * @param {ExtensionContext} context the context of our extension
     59   * @returns {object} returns the necessary API structure required to get data from PictureInPictureChild
     60   */
     61  getAPI(context) {
     62    return {
     63      pictureInPictureChild: {
     64        getKeyboardControls() {
     65          // The Picture-in-Picture toggle is only implemented for Desktop, so make
     66          // this return nothing for non-Desktop builds.
     67          if (AppConstants.platform == "android") {
     68            return Cu.cloneInto({}, context.cloneScope);
     69          }
     70 
     71          return Cu.cloneInto(KEYBOARD_CONTROLS, context.cloneScope);
     72        },
     73        getPolicies() {
     74          // The Picture-in-Picture toggle is only implemented for Desktop, so make
     75          // this return nothing for non-Desktop builds.
     76          if (AppConstants.platform == "android") {
     77            return Cu.cloneInto({}, context.cloneScope);
     78          }
     79 
     80          return Cu.cloneInto(TOGGLE_POLICIES, context.cloneScope);
     81        },
     82      },
     83    };
     84  }
     85 };