tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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SelectionActionDelegateParent.sys.mjs (2372B)

      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 { GeckoViewActorParent } from "resource://gre/modules/GeckoViewActorParent.sys.mjs";
      6 
      7 export class SelectionActionDelegateParent extends GeckoViewActorParent {
      8  respondTo = null;
      9  actionId = null;
     10 
     11  get rootActor() {
     12    return this.browsingContext.top.currentWindowGlobal.getActor(
     13      "SelectionActionDelegate"
     14    );
     15  }
     16 
     17  receiveMessage(aMessage) {
     18    const { data, name } = aMessage;
     19    switch (name) {
     20      case "ShowSelectionAction": {
     21        this.rootActor.showSelectionAction(this, data);
     22        break;
     23      }
     24 
     25      case "HideSelectionAction": {
     26        this.rootActor.hideSelectionAction(this, data.reason);
     27        break;
     28      }
     29 
     30      case "GeckoView:ShowMagnifier": {
     31        return this.eventDispatcher.sendRequest({
     32          ...data,
     33          type: "GeckoView:ShowMagnifier",
     34        });
     35      }
     36 
     37      case "GeckoView:HideMagnifier": {
     38        return this.eventDispatcher.sendRequest({
     39          type: "GeckoView:HideMagnifier",
     40        });
     41      }
     42 
     43      default: {
     44        super.receiveMessage(aMessage);
     45      }
     46    }
     47 
     48    return undefined;
     49  }
     50 
     51  hideSelectionAction(aRespondTo, reason) {
     52    // Mark previous actions as stale. Don't do this for "invisibleselection"
     53    // or "scroll" because previous actions should still be valid even after
     54    // these events occur.
     55    if (reason !== "invisibleselection" && reason !== "scroll") {
     56      this.actionId = null;
     57    }
     58 
     59    this.eventDispatcher?.sendRequest({
     60      type: "GeckoView:HideSelectionAction",
     61      reason,
     62    });
     63  }
     64 
     65  showSelectionAction(aRespondTo, aData) {
     66    this.actionId = Services.uuid.generateUUID().toString();
     67    this.respondTo = aRespondTo;
     68 
     69    this.eventDispatcher?.sendRequest({
     70      type: "GeckoView:ShowSelectionAction",
     71      actionId: this.actionId,
     72      ...aData,
     73    });
     74  }
     75 
     76  executeSelectionAction(aData) {
     77    if (this.actionId === null || aData.actionId != this.actionId) {
     78      warn`Stale response ${aData.id} ${aData.actionId}`;
     79      return;
     80    }
     81    this.respondTo.sendAsyncMessage("ExecuteSelectionAction", aData);
     82  }
     83 }
     84 
     85 const { debug, warn } = SelectionActionDelegateParent.initLogging(
     86  "SelectionActionDelegate"
     87 );