118 lines
3.6 KiB
JavaScript
118 lines
3.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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Cu.import('resource://gre/modules/XPCOMUtils.jsm');
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Cu.import('resource://gre/modules/Services.jsm');
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Cu.import('resource://gre/modules/DOMRequestHelper.jsm');
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XPCOMUtils.defineLazyModuleGetter(this, 'GlobalSimulatorScreen',
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'resource://gre/modules/GlobalSimulatorScreen.jsm');
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var DEBUG_PREFIX = 'SimulatorScreen.js - ';
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function debug() {
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//dump(DEBUG_PREFIX + Array.slice(arguments) + '\n');
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}
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function fireOrientationEvent(window) {
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let e = new window.Event('mozorientationchange');
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window.screen.dispatchEvent(e);
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}
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function hookScreen(window) {
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let nodePrincipal = window.document.nodePrincipal;
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let origin = nodePrincipal.origin;
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if (nodePrincipal.appStatus == nodePrincipal.APP_STATUS_NOT_INSTALLED) {
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// Only inject screen mock for apps
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return;
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}
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let screen = window.wrappedJSObject.screen;
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screen.mozLockOrientation = function (orientation) {
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debug('mozLockOrientation:', orientation, 'from', origin);
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// Normalize and do some checks against orientation input
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if (typeof(orientation) == 'string') {
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orientation = [orientation];
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}
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function isInvalidOrientationString(str) {
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return typeof(str) != 'string' ||
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!str.match(/^default$|^(portrait|landscape)(-(primary|secondary))?$/);
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}
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if (!Array.isArray(orientation) ||
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orientation.some(isInvalidOrientationString)) {
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Cu.reportError('Invalid orientation "' + orientation + '"');
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return false;
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}
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GlobalSimulatorScreen.lock(orientation);
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return true;
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};
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screen.mozUnlockOrientation = function() {
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debug('mozOrientationUnlock from', origin);
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GlobalSimulatorScreen.unlock();
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return true;
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};
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Object.defineProperty(screen, 'width', {
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get: () => GlobalSimulatorScreen.width
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});
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Object.defineProperty(screen, 'height', {
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get: () => GlobalSimulatorScreen.height
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});
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Object.defineProperty(screen, 'mozOrientation', {
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get: () => GlobalSimulatorScreen.mozOrientation
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});
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}
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function SimulatorScreen() {}
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SimulatorScreen.prototype = {
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classID: Components.ID('{c83c02c0-5d43-4e3e-987f-9173b313e880}'),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
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Ci.nsISupportsWeakReference]),
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_windows: new Map(),
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observe: function (subject, topic, data) {
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let windows = this._windows;
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switch (topic) {
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case 'profile-after-change':
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Services.obs.addObserver(this, 'document-element-inserted', false);
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Services.obs.addObserver(this, 'simulator-orientation-change', false);
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Services.obs.addObserver(this, 'inner-window-destroyed', false);
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break;
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case 'document-element-inserted':
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let window = subject.defaultView;
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if (!window) {
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return;
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}
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hookScreen(window);
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var id = window.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIDOMWindowUtils)
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.currentInnerWindowID;
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windows.set(id, window);
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break;
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case 'inner-window-destroyed':
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var id = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
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windows.delete(id);
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break;
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case 'simulator-orientation-change':
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windows.forEach(fireOrientationEvent);
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break;
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}
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}
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SimulatorScreen]);
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