tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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GeckoViewClipboardPermission.sys.mjs (2907B)

      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 ChromeUtils.defineESModuleGetters(lazy, {
      7  PromptUtils: "resource://gre/modules/PromptUtils.sys.mjs",
      8 });
      9 
     10 import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
     11 
     12 const { debug } = GeckoViewUtils.initLogging("GeckoViewClipboardPermission");
     13 
     14 export var GeckoViewClipboardPermission = {
     15  confirmUserPaste(aWindowContext) {
     16    return new Promise((resolve, reject) => {
     17      if (!aWindowContext) {
     18        reject(
     19          Components.Exception("Null window context.", Cr.NS_ERROR_INVALID_ARG)
     20        );
     21        return;
     22      }
     23 
     24      const { document } = aWindowContext.browsingContext.topChromeWindow;
     25      if (!document) {
     26        reject(
     27          Components.Exception(
     28            "Unable to get chrome document.",
     29            Cr.NS_ERROR_FAILURE
     30          )
     31        );
     32        return;
     33      }
     34 
     35      if (this._pendingRequest) {
     36        reject(
     37          Components.Exception(
     38            "There is an ongoing request.",
     39            Cr.NS_ERROR_FAILURE
     40          )
     41        );
     42        return;
     43      }
     44 
     45      this._pendingRequest = { resolve, reject };
     46 
     47      const mouseXInCSSPixels = {};
     48      const mouseYInCSSPixels = {};
     49      const windowUtils = document.ownerGlobal.windowUtils;
     50      windowUtils.getLastOverWindowPointerLocationInCSSPixels(
     51        mouseXInCSSPixels,
     52        mouseYInCSSPixels
     53      );
     54      const screenRect = windowUtils.toScreenRect(
     55        mouseXInCSSPixels.value,
     56        mouseYInCSSPixels.value,
     57        0,
     58        0
     59      );
     60 
     61      debug`confirmUserPaste (${screenRect.x}, ${screenRect.y})`;
     62 
     63      document.addEventListener("pointerdown", this);
     64      document.ownerGlobal.WindowEventDispatcher.sendRequestForResult({
     65        type: "GeckoView:ClipboardPermissionRequest",
     66        screenPoint: {
     67          x: screenRect.x,
     68          y: screenRect.y,
     69        },
     70      }).then(
     71        allowOrDeny => {
     72          const propBag = lazy.PromptUtils.objectToPropBag({ ok: allowOrDeny });
     73          this._pendingRequest.resolve(propBag);
     74          this._pendingRequest = null;
     75          document.removeEventListener("pointerdown", this);
     76        },
     77        error => {
     78          debug`Permission error: ${error}`;
     79          this._pendingRequest.reject();
     80          this._pendingRequest = null;
     81          document.removeEventListener("pointerdown", this);
     82        }
     83      );
     84    });
     85  },
     86 
     87  // EventListener interface.
     88  handleEvent(aEvent) {
     89    debug`handleEvent: ${aEvent.type}`;
     90    switch (aEvent.type) {
     91      case "pointerdown": {
     92        aEvent.target.ownerGlobal.WindowEventDispatcher.sendRequestForResult({
     93          type: "GeckoView:DismissClipboardPermissionRequest",
     94        });
     95        break;
     96      }
     97    }
     98  },
     99 };