Refactor tool-bar event handlers.

remoting/webapp/options_menu.js

+// Copyright (c) 2014 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
+ * Class handling the in-session options menu (or menus in the case of apps v1).
+ */
+
+'use strict';
+
+/** @suppress {duplicate} */
+var remoting = remoting || {};
+
+/**
+ * @param {HTMLElement} sendCtrlAltDel
+ * @param {HTMLElement} sendPrtScrn
+ * @param {HTMLElement} resizeToClient
+ * @param {HTMLElement} shrinkToFit
+ * @param {HTMLElement?} fullscreen
+ * @constructor
+ */
+remoting.OptionsMenu = function(sendCtrlAltDel, sendPrtScrn,
+                                resizeToClient, shrinkToFit, fullscreen) {
+  this.sendCtrlAltDel_ = sendCtrlAltDel;
+  this.sendPrtScrn_ = sendPrtScrn;
+  this.resizeToClient_ = resizeToClient;
+  this.shrinkToFit_ = shrinkToFit;
+  this.fullscreen_ = fullscreen;
+  /**
+   * @type {remoting.ClientSession}
+   * @private
+   */
+  this.clientSession_ = null;
+
+  this.sendCtrlAltDel_.addEventListener(
+      'click', this.onSendCtrlAltDel_.bind(this), false);
+  this.sendPrtScrn_.addEventListener(
+      'click', this.onSendPrtScrn_.bind(this), false);
+  this.resizeToClient_.addEventListener(
+      'click', this.onResizeToClient_.bind(this), false);
+  this.shrinkToFit_.addEventListener(
+      'click', this.onShrinkToFit_.bind(this), false);
+  if (this.fullscreen_) {
+    this.fullscreen_.addEventListener(
+        'click', this.onFullscreen_.bind(this), false);
+  }
+};
+
+/**
+ * @param {remoting.ClientSession} clientSession The active session, or null if
+ *     there is no connection.
+ */
+remoting.OptionsMenu.prototype.setClientSession = function(clientSession) {
+  this.clientSession_ = clientSession;
+};
+
+remoting.OptionsMenu.prototype.onShow = function() {
+  if (this.clientSession_) {
+    remoting.MenuButton.select(
+        this.resizeToClient_, this.clientSession_.getResizeToClient());
+    remoting.MenuButton.select(
+        this.shrinkToFit_, this.clientSession_.getShrinkToFit());
+    if (this.fullscreen_) {
+      remoting.MenuButton.select(
+          this.fullscreen_, remoting.fullscreen.isActive());
+    }
+  }
+};
+
+remoting.OptionsMenu.prototype.onSendCtrlAltDel_ = function() {
+  if (this.clientSession_) {
+    this.clientSession_.sendCtrlAltDel();
+  }
+};
+
+remoting.OptionsMenu.prototype.onSendPrtScrn_ = function() {
+  if (this.clientSession_) {
+    this.clientSession_.sendPrintScreen();
+  }
+};
+
+remoting.OptionsMenu.prototype.onResizeToClient_ = function() {
+  if (this.clientSession_) {
+    this.clientSession_.setScreenMode(this.clientSession_.getShrinkToFit(),
+                                      !this.clientSession_.getResizeToClient());
+  }
+};
+
+remoting.OptionsMenu.prototype.onShrinkToFit_ = function() {
+  if (this.clientSession_) {
+    this.clientSession_.setScreenMode(!this.clientSession_.getShrinkToFit(),
+                                      this.clientSession_.getResizeToClient());
+  }
+};
+
+remoting.OptionsMenu.prototype.onFullscreen_ = function() {
+  remoting.fullscreen.toggle();
+};