The Tor Browser / file comparison
comparison: b2g/components/SimulatorScreen.js
b2g/components/SimulatorScreen.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:1d71536d472d |
|---|---|
| 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 let Ci = Components.interfaces; | |
| 6 let Cu = Components.utils; | |
| 7 | |
| 8 Cu.import('resource://gre/modules/XPCOMUtils.jsm'); | |
| 9 Cu.import('resource://gre/modules/Services.jsm'); | |
| 10 Cu.import('resource://gre/modules/DOMRequestHelper.jsm'); | |
| 11 | |
| 12 XPCOMUtils.defineLazyModuleGetter(this, 'GlobalSimulatorScreen', | |
| 13 'resource://gre/modules/GlobalSimulatorScreen.jsm'); | |
| 14 | |
| 15 let DEBUG_PREFIX = 'SimulatorScreen.js - '; | |
| 16 function debug() { | |
| 17 //dump(DEBUG_PREFIX + Array.slice(arguments) + '\n'); | |
| 18 } | |
| 19 | |
| 20 function fireOrientationEvent(window) { | |
| 21 let e = new window.Event('mozorientationchange'); | |
| 22 window.screen.dispatchEvent(e); | |
| 23 } | |
| 24 | |
| 25 function hookScreen(window) { | |
| 26 let nodePrincipal = window.document.nodePrincipal; | |
| 27 let origin = nodePrincipal.origin; | |
| 28 if (nodePrincipal.appStatus == nodePrincipal.APP_STATUS_NOT_INSTALLED) { | |
| 29 Cu.reportError('deny mozLockOrientation:' + origin + 'is not installed'); | |
| 30 return; | |
| 31 } | |
| 32 | |
| 33 let screen = window.wrappedJSObject.screen; | |
| 34 | |
| 35 screen.mozLockOrientation = function (orientation) { | |
| 36 debug('mozLockOrientation:', orientation, 'from', origin); | |
| 37 | |
| 38 // Normalize and do some checks against orientation input | |
| 39 if (typeof(orientation) == 'string') { | |
| 40 orientation = [orientation]; | |
| 41 } | |
| 42 | |
| 43 function isInvalidOrientationString(str) { | |
| 44 return typeof(str) != 'string' || | |
| 45 !str.match(/^default$|^(portrait|landscape)(-(primary|secondary))?$/); | |
| 46 } | |
| 47 if (!Array.isArray(orientation) || | |
| 48 orientation.some(isInvalidOrientationString)) { | |
| 49 Cu.reportError('Invalid orientation "' + orientation + '"'); | |
| 50 return false; | |
| 51 } | |
| 52 | |
| 53 GlobalSimulatorScreen.lock(orientation); | |
| 54 | |
| 55 return true; | |
| 56 }; | |
| 57 | |
| 58 screen.mozUnlockOrientation = function() { | |
| 59 debug('mozOrientationUnlock from', origin); | |
| 60 GlobalSimulatorScreen.unlock(); | |
| 61 return true; | |
| 62 }; | |
| 63 | |
| 64 Object.defineProperty(screen, 'width', { | |
| 65 get: function () GlobalSimulatorScreen.width | |
| 66 }); | |
| 67 Object.defineProperty(screen, 'height', { | |
| 68 get: function () GlobalSimulatorScreen.height | |
| 69 }); | |
| 70 Object.defineProperty(screen, 'mozOrientation', { | |
| 71 get: function () GlobalSimulatorScreen.mozOrientation | |
| 72 }); | |
| 73 } | |
| 74 | |
| 75 function SimulatorScreen() {} | |
| 76 SimulatorScreen.prototype = { | |
| 77 classID: Components.ID('{c83c02c0-5d43-4e3e-987f-9173b313e880}'), | |
| 78 QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, | |
| 79 Ci.nsISupportsWeakReference]), | |
| 80 _windows: new Map(), | |
| 81 | |
| 82 observe: function (subject, topic, data) { | |
| 83 let windows = this._windows; | |
| 84 switch (topic) { | |
| 85 case 'profile-after-change': | |
| 86 Services.obs.addObserver(this, 'document-element-inserted', false); | |
| 87 Services.obs.addObserver(this, 'simulator-orientation-change', false); | |
| 88 Services.obs.addObserver(this, 'inner-window-destroyed', false); | |
| 89 break; | |
| 90 | |
| 91 case 'document-element-inserted': | |
| 92 let window = subject.defaultView; | |
| 93 if (!window) { | |
| 94 return; | |
| 95 } | |
| 96 | |
| 97 hookScreen(window); | |
| 98 | |
| 99 var id = window.QueryInterface(Ci.nsIInterfaceRequestor) | |
| 100 .getInterface(Ci.nsIDOMWindowUtils) | |
| 101 .currentInnerWindowID; | |
| 102 windows.set(id, window); | |
| 103 break; | |
| 104 | |
| 105 case 'inner-window-destroyed': | |
| 106 var id = subject.QueryInterface(Ci.nsISupportsPRUint64).data; | |
| 107 windows.delete(id); | |
| 108 break; | |
| 109 | |
| 110 case 'simulator-orientation-change': | |
| 111 windows.forEach(fireOrientationEvent); | |
| 112 break; | |
| 113 } | |
| 114 } | |
| 115 }; | |
| 116 | |
| 117 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SimulatorScreen]); |
