| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * @fileoverview |
| * Provides an interface to manage the Host Desktop of a remoting session. |
| */ |
| |
| var remoting = remoting || {}; |
| remoting.ClientPlugin = remoting.ClientPlugin || {}; |
| |
| (function() { |
| |
| 'use strict'; |
| |
| /** |
| * @param {remoting.ClientPlugin} plugin |
| * @param {function(Object):void} postMessageCallback Callback to post a message |
| * to the Client Plugin. |
| * |
| * @implements {remoting.HostDesktop} |
| * @extends {base.EventSourceImpl} |
| * @constructor |
| */ |
| remoting.ClientPlugin.HostDesktopImpl = function(plugin, postMessageCallback) { |
| base.inherits(this, base.EventSourceImpl); |
| /** @private */ |
| this.plugin_ = plugin; |
| /** @private */ |
| this.width_ = 0; |
| /** @private */ |
| this.height_ = 0; |
| /** @private */ |
| this.xDpi_ = 96; |
| /** @private */ |
| this.yDpi_ = 96; |
| /** @private */ |
| this.postMessageCallback_ = postMessageCallback; |
| |
| this.defineEvents(base.values(remoting.HostDesktop.Events)); |
| }; |
| |
| /** @return {{width:number, height:number, xDpi:number, yDpi:number}} */ |
| remoting.ClientPlugin.HostDesktopImpl.prototype.getDimensions = function() { |
| return { |
| width: this.width_, |
| height: this.height_, |
| xDpi: this.xDpi_, |
| yDpi: this.yDpi_ |
| }; |
| }; |
| |
| /** |
| * @param {number} width |
| * @param {number} height |
| * @param {number} deviceScale |
| */ |
| remoting.ClientPlugin.HostDesktopImpl.prototype.resize = function( |
| width, height, deviceScale) { |
| var dpi = Math.floor(deviceScale * 96); |
| this.postMessageCallback_({ |
| method: 'notifyClientResolution', |
| data: { |
| width: Math.floor(width * deviceScale), |
| height: Math.floor(height * deviceScale), |
| x_dpi: dpi, |
| y_dpi: dpi |
| } |
| }); |
| }; |
| |
| /** |
| * This function is called by |this.plugin_| when the size of the host |
| * desktop is changed. |
| * |
| * @param {remoting.ClientPluginMessage} message |
| */ |
| remoting.ClientPlugin.HostDesktopImpl.prototype.onSizeUpdated = function( |
| message) { |
| this.width_ = base.getNumberAttr(message.data, 'width'); |
| this.height_ = base.getNumberAttr(message.data, 'height'); |
| this.xDpi_ = base.getNumberAttr(message.data, 'x_dpi', 96); |
| this.yDpi_ = base.getNumberAttr(message.data, 'y_dpi', 96); |
| this.raiseEvent(remoting.HostDesktop.Events.sizeChanged, |
| this.getDimensions()); |
| }; |
| |
| }()); |