tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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MobileTabBrowser.sys.mjs (2077B)

      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 const lazy = {};
      6 
      7 ChromeUtils.defineESModuleGetters(lazy, {
      8  GeckoViewTabUtil: "resource://gre/modules/GeckoViewTestUtils.sys.mjs",
      9 
     10  windowManager: "chrome://remote/content/shared/WindowManager.sys.mjs",
     11 });
     12 
     13 // GeckoView shim for Desktop's gBrowser
     14 export class MobileTabBrowser {
     15  constructor(window) {
     16    this.window = window;
     17  }
     18 
     19  get tabs() {
     20    return [this.window.tab];
     21  }
     22 
     23  get selectedTab() {
     24    return this.window.tab;
     25  }
     26 
     27  set selectedTab(tab) {
     28    if (tab != this.selectedTab) {
     29      throw new Error("GeckoView only supports a single tab");
     30    }
     31 
     32    // Synthesize a custom TabSelect event to indicate that a tab has been
     33    // selected even when we don't change it.
     34    const event = this.window.CustomEvent("TabSelect", {
     35      bubbles: true,
     36      cancelable: false,
     37      detail: {
     38        previousTab: this.selectedTab,
     39      },
     40    });
     41    this.window.document.dispatchEvent(event);
     42  }
     43 
     44  get selectedBrowser() {
     45    return this.selectedTab.linkedBrowser;
     46  }
     47 
     48  addEventListener() {
     49    this.window.addEventListener(...arguments);
     50  }
     51 
     52  /**
     53   * Create a new tab.
     54   *
     55   * @param {string} uriString
     56   *     The URI string to load within the newly opened tab.
     57   *
     58   * @returns {Promise<Tab>}
     59   *     The created tab.
     60   * @throws {Error}
     61   *     Throws an error if the tab cannot be created.
     62   */
     63  addTab(uriString) {
     64    return lazy.GeckoViewTabUtil.createNewTab(uriString);
     65  }
     66 
     67  getTabForBrowser(browser) {
     68    if (browser != this.selectedBrowser) {
     69      throw new Error("GeckoView only supports a single tab");
     70    }
     71 
     72    return this.selectedTab;
     73  }
     74 
     75  removeEventListener() {
     76    this.window.removeEventListener(...arguments);
     77  }
     78 
     79  removeTab(tab) {
     80    if (tab != this.selectedTab) {
     81      throw new Error("GeckoView only supports a single tab");
     82    }
     83 
     84    return lazy.windowManager.closeWindow(this.window);
     85  }
     86 }