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// Copyright 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
* Apps v2 custom title bar implementation
*/
'use strict';
/** @suppress {duplicate} */
var remoting = remoting || {};
/**
* @param {HTMLElement} titleBar The root node of the title-bar DOM hierarchy.
* @constructor
*/
remoting.WindowFrame = function(titleBar) {
/** @private {remoting.DesktopConnectedView} */
this.desktopConnectedView_ = null;
/** @private {HTMLElement} */
this.titleBar_ = titleBar;
/** @private {HTMLElement} */
this.title_ = /** @type {HTMLElement} */
(titleBar.querySelector('.window-title'));
base.debug.assert(this.title_ != null);
/** @private {HTMLElement} */
this.maximizeRestoreControl_ = /** @type {HTMLElement} */
(titleBar.querySelector('.window-maximize-restore'));
base.debug.assert(this.maximizeRestoreControl_ != null);
var optionsButton = titleBar.querySelector('.window-options');
base.debug.assert(optionsButton != null);
this.optionMenuButton_ = new remoting.MenuButton(
optionsButton,
this.onShowOptionsMenu_.bind(this),
this.onHideOptionsMenu_.bind(this));
/** @private {HTMLElement} */
this.optionsMenuList_ = /** @type {HTMLElement} */
(optionsButton.querySelector('.window-options-menu'));
base.debug.assert(this.optionsMenuList_ != null);
/**
* @type {Array<{cls:string, fn: function()}>}
*/
var handlers = [
{ cls: 'window-disconnect', fn: this.disconnectSession_.bind(this) },
{ cls: 'window-maximize-restore',
fn: this.maximizeOrRestoreWindow_.bind(this) },
{ cls: 'window-minimize', fn: this.minimizeWindow_.bind(this) },
{ cls: 'window-close', fn: remoting.app.quit.bind(remoting.app) },
{ cls: 'window-controls-stub', fn: this.toggleWindowControls_.bind(this) }
];
for (var i = 0; i < handlers.length; ++i) {
var element = titleBar.querySelector('.' + handlers[i].cls);
base.debug.assert(element != null);
element.addEventListener('click', handlers[i].fn, false);
}
// Ensure that tool-tips are always correct.
this.handleWindowStateChange_();
chrome.app.window.current().onMaximized.addListener(
this.handleWindowStateChange_.bind(this));
chrome.app.window.current().onRestored.addListener(
this.handleWindowStateChange_.bind(this));
chrome.app.window.current().onFullscreened.addListener(
this.handleWindowStateChange_.bind(this));
chrome.app.window.current().onFullscreened.addListener(
this.showWindowControlsPreview_.bind(this));
};
/**
* @return {remoting.OptionsMenu}
*/
remoting.WindowFrame.prototype.createOptionsMenu = function() {
return new remoting.OptionsMenu(
this.titleBar_.querySelector('.menu-send-ctrl-alt-del'),
this.titleBar_.querySelector('.menu-send-print-screen'),
this.titleBar_.querySelector('.menu-resize-to-client'),
this.titleBar_.querySelector('.menu-shrink-to-fit'),
this.titleBar_.querySelector('.menu-new-connection'),
this.titleBar_.querySelector('.window-fullscreen'),
this.titleBar_.querySelector('.menu-start-stop-recording'));
};
/**
* @param {remoting.DesktopConnectedView} desktopConnectedView The view for the
* current session, or null if there is no connection.
*/
remoting.WindowFrame.prototype.setDesktopConnectedView = function(
desktopConnectedView) {
this.desktopConnectedView_ = desktopConnectedView;
var windowTitle = document.head.querySelector('title');
if (this.desktopConnectedView_) {
this.title_.innerText = desktopConnectedView.getHostDisplayName();
windowTitle.innerText = desktopConnectedView.getHostDisplayName() + ' - ' +
remoting.app.getApplicationName();
} else {
this.title_.innerHTML = ' ';
windowTitle.innerText = remoting.app.getApplicationName();
}
this.handleWindowStateChange_();
};
/**
* @return {{width: number, height: number}} The size of the window, ignoring
* the title-bar and window borders, if visible.
*/
remoting.WindowFrame.prototype.getClientArea = function() {
if (chrome.app.window.current().isFullscreen()) {
return { 'height': window.innerHeight, 'width': window.innerWidth };
} else {
var kBorderWidth = 1;
var titleHeight = this.titleBar_.clientHeight;
return {
'height': window.innerHeight - titleHeight - 2 * kBorderWidth,
'width': window.innerWidth - 2 * kBorderWidth
};
}
};
/**
* @private
*/
remoting.WindowFrame.prototype.disconnectSession_ = function() {
remoting.app.disconnect();
};
/**
* @private
*/
remoting.WindowFrame.prototype.maximizeOrRestoreWindow_ = function() {
/** @type {boolean} */
var restore =
chrome.app.window.current().isFullscreen() ||
chrome.app.window.current().isMaximized();
if (restore) {
chrome.app.window.current().restore();
} else {
chrome.app.window.current().maximize();
}
};
/**
* @private
*/
remoting.WindowFrame.prototype.minimizeWindow_ = function() {
chrome.app.window.current().minimize();
};
/**
* @private
*/
remoting.WindowFrame.prototype.toggleWindowControls_ = function() {
this.titleBar_.classList.toggle('opened');
};
/**
* Update the tool-top for the maximize/full-screen/restore icon to reflect
* its current behaviour.
*
* @private
*/
remoting.WindowFrame.prototype.handleWindowStateChange_ = function() {
// Set the title for the maximize/restore/full-screen button
/** @type {string} */
var tag = '';
if (chrome.app.window.current().isFullscreen()) {
tag = /*i18n-content*/'EXIT_FULL_SCREEN';
} else if (chrome.app.window.current().isMaximized()) {
tag = /*i18n-content*/'RESTORE_WINDOW';
} else {
tag = /*i18n-content*/'MAXIMIZE_WINDOW';
}
this.maximizeRestoreControl_.title = l10n.getTranslationOrError(tag);
// Ensure that the options menu aligns correctly for the side of the window
// it occupies.
if (chrome.app.window.current().isFullscreen()) {
this.optionsMenuList_.classList.add('right-align');
} else {
this.optionsMenuList_.classList.remove('right-align');
}
};
/**
* Callback invoked when the options menu is shown.
* @private
*/
remoting.WindowFrame.prototype.onShowOptionsMenu_ = function() {
remoting.optionsMenu.onShow();
this.titleBar_.classList.add('menu-opened');
};
/**
* Callback invoked when the options menu is shown.
* @private
*/
remoting.WindowFrame.prototype.onHideOptionsMenu_ = function() {
this.titleBar_.classList.remove('menu-opened');
};
/**
* Show the window controls for a few seconds
*
* @private
*/
remoting.WindowFrame.prototype.showWindowControlsPreview_ = function() {
/**
* @type {HTMLElement}
*/
var target = this.titleBar_;
var kPreviewTimeoutMs = 3000;
var hidePreview = function() {
target.classList.remove('preview');
};
target.classList.add('preview');
window.setTimeout(hidePreview, kPreviewTimeoutMs);
};
/** @type {remoting.WindowFrame} */
remoting.windowFrame = null;
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