1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 /** 6 * Enum for modifier keys, same as DevTools protocol. 7 * @enum {number} 8 */ 9 var ModifierMask = { 10 ALT: 1 << 0, 11 CTRL: 1 << 1, 12 META: 1 << 2, 13 SHIFT: 1 << 3, 14 }; 15 16 /** 17 * Dispatches a context menu event at the given location. 18 * 19 * @param {number} x The X coordinate to dispatch the event at. 20 * @param {number} y The Y coordinate to dispatch the event at. 21 * @param {modifiers} modifiers The modifiers to use for the event. 22 */ 23 function dispatchContextMenuEvent(x, y, modifiers) { 24 var event = new MouseEvent( 25 'contextmenu', 26 {view: window, 27 bubbles: true, 28 cancelable: true, 29 screenX: x, 30 screenY: y, 31 clientX: x, 32 clientY: y, 33 ctrlKey: modifiers & ModifierMask.CTRL, 34 altKey: modifiers & ModifierMask.ALT, 35 shiftKey: modifiers & ModifierMask.SHIFT, 36 metaKey: modifiers & ModifierMask.META, 37 button: 2}); 38 39 var elem = document.elementFromPoint(x, y); 40 if (!elem) { 41 throw new Error('cannot right click outside the visible bounds of the ' + 42 'document: (' + x + ', ' + y + ')'); 43 } 44 elem.dispatchEvent(event); 45 } 46
