mobile/android/actors/SelectionActionDelegateParent.sys.mjs

   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       default: {
  31         super.receiveMessage(aMessage);
  32       }
  33     }
  34   }
  35
  36   hideSelectionAction(aRespondTo, reason) {
  37     // Mark previous actions as stale. Don't do this for "invisibleselection"
  38     // or "scroll" because previous actions should still be valid even after
  39     // these events occur.
  40     if (reason !== "invisibleselection" && reason !== "scroll") {
  41       this.actionId = null;
  42     }
  43
  44     this.eventDispatcher?.sendRequest({
  45       type: "GeckoView:HideSelectionAction",
  46       reason,
  47     });
  48   }
  49
  50   showSelectionAction(aRespondTo, aData) {
  51     this.actionId = Services.uuid.generateUUID().toString();
  52     this.respondTo = aRespondTo;
  53
  54     this.eventDispatcher?.sendRequest({
  55       type: "GeckoView:ShowSelectionAction",
  56       actionId: this.actionId,
  57       ...aData,
  58     });
  59   }
  60
  61   executeSelectionAction(aData) {
  62     if (this.actionId === null || aData.actionId != this.actionId) {
  63       warn`Stale response ${aData.id} ${aData.actionId}`;
  64       return;
  65     }
  66     this.respondTo.sendAsyncMessage("ExecuteSelectionAction", aData);
  67   }
  68 }
  69
  70 const { debug, warn } = SelectionActionDelegateParent.initLogging(
  71   "SelectionActionDelegate"
  72 );