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// 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.
'use strict';
var HIDE_TIMEOUT = 2000;
/**
* Creates a UI Manager to handle transitioning of toolbars and panes.
* @constructor
* @param {Object} window The window containing the UI.
* @param {Object} toolbar The toolbar element.
* @param {Array} panes The panes that may be pulled in.
*/
function UiManager(window, toolbar, panes) {
this.window_ = window;
this.toolbar_ = toolbar;
this.panes_ = panes;
this.uiTimeout_ = null;
var userInputs = ['click', 'keydown', 'mousemove', 'scroll'];
for (var i = 0; i < userInputs.length; i++)
this.window_.addEventListener(userInputs[i], this.showUi_.bind(this));
}
UiManager.prototype = {
/**
* @private
* Display the toolbar and any pane that was previously opened.
*/
showUi_: function() {
this.toolbar_.show();
for (var i = 0; i < this.panes_.length; i++)
this.panes_[i].showIfOpenedByUser();
this.hideUiAfterTimeout();
},
/**
* @private
* Hide the toolbar and any pane that was previously opened.
*/
hideUi_: function() {
this.toolbar_.hide();
for (var i = 0; i < this.panes_.length; i++)
this.panes_[i].hideIfOpenedByUser();
},
/**
* Hide the toolbar after the HIDE_TIMEOUT has elapsed.
*/
hideUiAfterTimeout: function() {
if (this.uiTimeout_)
clearTimeout(this.uiTimeout_);
this.uiTimeout_ = setTimeout(this.hideUi_.bind(this), HIDE_TIMEOUT);
}
};
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