web-apps/apps/presentationeditor/mobile/app/controller/DocumentPreview.js
2019-03-15 10:50:38 +03:00

152 lines
5.2 KiB
JavaScript

/*
*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
/**
* DocumentPreview.js
* Presentation Editor
*
* Created by Julia Radzhabova on 12/22/16
* Copyright (c) 2018 Ascensio System SIA. All rights reserved.
*
*/
define([
'core',
'jquery',
'underscore',
'backbone',
'presentationeditor/mobile/app/view/DocumentPreview'
], function (core, $, _, Backbone) {
'use strict';
PE.Controllers.DocumentPreview = Backbone.Controller.extend(_.extend((function() {
// private
var _view,
_touches,
_touchStart,
_touchEnd;
return {
models: [],
collections: [],
views: [
'DocumentPreview'
],
initialize: function() {
},
setApi: function(api) {
var me = this;
me.api = api;
me.api.asc_registerCallback('asc_onEndDemonstration', _.bind(me.onEndDemonstration, me));
me.api.DemonstrationEndShowMessage(me.txtFinalMessage);
},
// When our application is ready, lets get started
onLaunch: function() {
var me = this;
_view = me.createView('DocumentPreview').render();
$$('#pe-preview').on('touchstart', _.bind(me.onTouchStart, me))
.on('touchmove', _.bind(me.onTouchMove, me))
.on('touchend', _.bind(me.onTouchEnd, me))
.on('click', _.bind(me.onClick, me));
},
// Handlers
show: function() {
_view.$el.css('display', 'block');
$('.view.view-main').css('z-index','0');
PE.getController('DocumentHolder').stopApiPopMenu();
this.api.StartDemonstration('presentation-preview', this.api.getCurrentPage());
},
onTouchStart: function(event) {
event.preventDefault();
_touches = [];
for (var i=0; i<event.touches.length; i++) {
_touches.push([event.touches[i].pageX, event.touches[i].pageY]);
}
_touchEnd = _touchStart = [event.touches[0].pageX, event.touches[0].pageY];
},
onTouchMove: function(event) {
event.preventDefault();
_touchEnd = [event.touches[0].pageX, event.touches[0].pageY];
if (event.touches.length<2) return;
for (var i=0; i<event.touches.length; i++) {
if (Math.abs(event.touches[i].pageX - _touches[i][0]) > 20 || Math.abs(event.touches[i].pageY - _touches[i][1]) > 20 ) {
this.api.EndDemonstration();
break;
}
}
},
onTouchEnd: function(event) {
event.preventDefault();
if (_touchEnd[0] - _touchStart[0] > 20)
this.api.DemonstrationPrevSlide();
else if (_touchStart[0] - _touchEnd[0] > 20)
this.api.DemonstrationNextSlide();
},
onClick: function(event) {
this.api.DemonstrationNextSlide();
},
// API Handlers
onEndDemonstration: function() {
_view.$el.css('display', 'none');
$('.view.view-main').css('z-index','auto');
PE.getController('DocumentHolder').startApiPopMenu();
},
txtFinalMessage: 'The end of slide preview. Click to exit.'
// Internal
}
})(), PE.Controllers.DocumentPreview || {}))
});