tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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GeckoViewChildModule.sys.mjs (2090B)

      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 { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
      6 
      7 const { debug, warn } = GeckoViewUtils.initLogging("Module[C]");
      8 
      9 export class GeckoViewChildModule {
     10  static initLogging(aModuleName) {
     11    this._moduleName = aModuleName;
     12    const tag = aModuleName.replace("GeckoView", "") + "[C]";
     13    return GeckoViewUtils.initLogging(tag);
     14  }
     15 
     16  static create(aGlobal, aModuleName) {
     17    return new this(aModuleName || this._moduleName, aGlobal);
     18  }
     19 
     20  constructor(aModuleName, aGlobal) {
     21    this.moduleName = aModuleName;
     22    this.messageManager = aGlobal;
     23    this.enabled = false;
     24 
     25    if (!aGlobal._gvEventDispatcher) {
     26      aGlobal._gvEventDispatcher = GeckoViewUtils.getDispatcherForWindow(
     27        aGlobal.content
     28      );
     29      aGlobal.addEventListener(
     30        "unload",
     31        event => {
     32          if (event.target === this.messageManager) {
     33            aGlobal._gvEventDispatcher.finalize();
     34          }
     35        },
     36        {
     37          mozSystemGroup: true,
     38        }
     39      );
     40    }
     41    this.eventDispatcher = aGlobal._gvEventDispatcher;
     42 
     43    this.messageManager.addMessageListener(
     44      "GeckoView:UpdateModuleState",
     45      aMsg => {
     46        if (aMsg.data.module !== this.moduleName) {
     47          return;
     48        }
     49 
     50        const { enabled } = aMsg.data;
     51 
     52        if (enabled !== this.enabled) {
     53          if (!enabled) {
     54            this.onDisable();
     55          }
     56 
     57          this.enabled = enabled;
     58 
     59          if (enabled) {
     60            this.onEnable();
     61          }
     62        }
     63      }
     64    );
     65 
     66    this.onInit();
     67 
     68    this.messageManager.sendAsyncMessage("GeckoView:ContentModuleLoaded", {
     69      module: this.moduleName,
     70    });
     71  }
     72 
     73  // Override to initialize module.
     74  onInit() {}
     75 
     76  // Override to enable module after setting a Java delegate.
     77  onEnable() {}
     78 
     79  // Override to disable module after clearing the Java delegate.
     80  onDisable() {}
     81 }