tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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retry.sys.mjs (1525B)

      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 import { Module } from "chrome://remote/content/shared/messagehandler/Module.sys.mjs";
      6 
      7 const lazy = {};
      8 
      9 ChromeUtils.defineESModuleGetters(lazy, {
     10  WindowGlobalMessageHandler:
     11    "chrome://remote/content/shared/messagehandler/WindowGlobalMessageHandler.sys.mjs",
     12 });
     13 
     14 // The test is supposed to trigger the command and then destroy the
     15 // JSWindowActor pair by any mean (eg a navigation) in order to trigger an
     16 // AbortError and a retry.
     17 class RetryModule extends Module {
     18  destroy() {}
     19 
     20  /**
     21   * Commands
     22   */
     23 
     24  async waitForDiscardedBrowsingContext(params = {}) {
     25    const { browsingContext, retryOnAbort } = params;
     26 
     27    // Wait for the browsing context to be discarded (replaced or destroyed)
     28    // before calling the internal command.
     29    await new Promise(resolve => {
     30      const observe = (_subject, _topic, _data) => {
     31        Services.obs.removeObserver(observe, "browsing-context-discarded");
     32        resolve();
     33      };
     34      Services.obs.addObserver(observe, "browsing-context-discarded");
     35    });
     36 
     37    return this.messageHandler.forwardCommand({
     38      moduleName: "retry",
     39      commandName: "_internalForward",
     40      destination: {
     41        type: lazy.WindowGlobalMessageHandler.type,
     42        id: browsingContext.id,
     43      },
     44      retryOnAbort,
     45    });
     46  }
     47 }
     48 
     49 export const retry = RetryModule;