[Webapp Refactor] Implements AppConnectedView.

remoting/webapp/app_remoting/js/app_connected_view.js

+// 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
+ * Implements a basic UX control for a connected app remoting session.
+ */
+
+/** @suppress {duplicate} */
+var remoting = remoting || {};
+
+(function() {
+
+'use strict';
+
+// A 10-second interval to test the connection speed.
+var CONNECTION_SPEED_PING_INTERVAL = 10 * 1000;
+
+/**
+ * @param {HTMLElement} containerElement
+ * @param {remoting.ConnectionInfo} connectionInfo
+ *
+ * @constructor
+ * @implements {base.Disposable}
+ */
+remoting.AppConnectedView = function(containerElement, connectionInfo) {
+
+  /** @private */
+  this.plugin_ = connectionInfo.plugin();
+
+  /** @private */
+  this.host_ = connectionInfo.host();
+
+  var pingTimer = new base.RepeatingTimer(function () {

[kelvinp, 2015/03/19 21:19:21]

Moved from app_remoting.js.

+    var message = { timestamp: new Date().getTime() };
+    var clientSession = connectionInfo.session();
+    clientSession.sendClientMessage('pingRequest', JSON.stringify(message));
+  }, CONNECTION_SPEED_PING_INTERVAL);
+
+  var baseView = new remoting.ConnectedView(
+      this.plugin_, containerElement,
+      containerElement.querySelector('.mouse-cursor-overlay'));;
+
+  var eventHook = new base.EventHook(
+      this.plugin_.hostDesktop(),
+      remoting.HostDesktop.Events.shapeChanged,
+      remoting.windowShape.setDesktopRects.bind(remoting.windowShape));
+
+  /** @private */
+  this.disposables_ = new base.Disposables(pingTimer, baseView, eventHook);
+
+  this.resizeHostToClientArea_().then(
+    this.setPluginSize_.bind(this)
+  );
+};
+
+/**
+ * @return {void} Nothing.
+ */
+remoting.AppConnectedView.prototype.dispose = function() {
+  base.dispose(this.disposables_);
+};
+
+/**
+ * Resize the host to the dimensions of the current window.
+ *
+ * @return {Promise} A promise that resolves when the host finishes responding
+ *   to the resize request.
+ * @private
+ */
+remoting.AppConnectedView.prototype.resizeHostToClientArea_ = function() {
+  var hostDesktop = this.plugin_.hostDesktop();
+  var desktopScale = this.host_.options.desktopScale;
+
+  return new Promise(function(/** Function */ resolve) {
+    var eventHook = new base.EventHook(
+        hostDesktop, remoting.HostDesktop.Events.sizeChanged, resolve);
+    hostDesktop.resize(window.innerWidth * desktopScale,
+                       window.innerHeight * desktopScale,
+                       window.devicePixelRatio);
+  });
+};
+
+
+/**
+ * Adjust the size of the plugin according to the dimensions of the hostDesktop.
+ *
+ * @param {{width:number, height:number, xDpi:number, yDpi:number}} hostDesktop
+ * @private
+ */
+remoting.AppConnectedView.prototype.setPluginSize_ = function(hostDesktop) {
+  remoting.LoadingWindow.close();
+  var hostSize = { width: hostDesktop.width, height: hostDesktop.height };
+  var hostDpi = { x: hostDesktop.xDpi, y: hostDesktop.yDpi };
+  var clientArea = { width: window.innerWidth, height: window.innerHeight };
+  var newSize = remoting.DesktopViewport.choosePluginSize(
+      clientArea, window.devicePixelRatio,
+      hostSize, hostDpi, this.host_.options.desktopScale,
+      true /* fullscreen */ , false /* shrinkToFit */ );
+
+  this.plugin_.element().style.width = newSize.width + 'px';
+  this.plugin_.element().style.height = newSize.height + 'px';
+}
+
+})();