js/imagePlayer.js

   1
   2 /*
   3  * Copyright (c) 2013, Intel Corporation.
   4  *
   5  * This program is licensed under the terms and conditions of the
   6  * Apache License, version 2.0.  The full text of the Apache License is at
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  */
  10
  11 ImagePlayer = function()
  12 {
  13
  14 }
  15
  16 ImagePlayer.prototype.play = function()
  17 {
  18         console.log("MediaPlayer in ImagePlayer::play");
  19         if (this.playerControls.paused)
  20                 this.playerControls.play();
  21 }
  22
  23 ImagePlayer.prototype.pause = function()
  24 {
  25         if (!this.playerControls.paused)
  26                 this.playerControls.pause();
  27 }
  28
  29 ImagePlayer.prototype.playing = function()
  30 {
  31         return !(this.playerControls.paused);
  32 }
  33
  34 ImagePlayer.prototype.next = function()
  35 {
  36         if (this.content)
  37         {
  38                 if (this.content.length > (this.listIndex + 1))
  39                         this.listIndex++;
  40                 else
  41                         this.listIndex = 0;
  42
  43                 this.load(this.listIndex);
  44         }
  45 }
  46
  47 ImagePlayer.prototype.previous = function()
  48 {
  49         if (this.content)
  50         {
  51                 if (this.listIndex > 0 )
  52                         this.listIndex--;
  53                 else
  54                         this.listIndex = this.content.length - 1;
  55
  56                 this.load(this.listIndex);
  57         }
  58 }
  59
  60 ImagePlayer.prototype.onContentLoaded = function()
  61 {
  62         try
  63         {
  64                 this.listIndex = 0;
  65
  66                 if (localStorage.prevImage && localStorage.prevImage !== "undefined")
  67                 {
  68                         for (var i = 0; i < this.content.length; i++)
  69                         {
  70                                 if (this.content[i].contentURI === localStorage.prevImage)
  71                                 {
  72                                         console.log("MediaPlayer: using previous image " + localStorage.prevImage);
  73                                         this.listIndex = i;
  74                                         this.fillMediaList();
  75                                         this.load(i);
  76                                 }
  77                         }
  78                 }
  79                 else
  80                 {
  81                         console.log("MediaPlayer: using first image " + this.content[this.listIndex].contentURI);
  82                         this.load(this.listIndex);
  83                 }
  84         }
  85
  86         catch (err)
  87         {
  88                 console.log("MediaPlayer: Error when parsing imageContent");
  89         }
  90 }
  91
  92 ImagePlayer.prototype.load = function(index)
  93 {
  94         this.listIndex = index;
  95
  96         if (!this.content[this.listIndex].remoteFile)
  97         {
  98                 localStorage.prevImage = this.content[this.listIndex].contentURI;
  99         }
 100         else
 101         {
 102                 localStorage.prevImage = undefined;
 103         }
 104
 105         $("#imagePlayer").css("background", "url(" + this.content[this.listIndex].contentURI + ") no-repeat center");
 106         $("#imagePlayer").css("background-size", "contain");
 107 }
 108
 109 ImagePlayer.prototype.makeListItem = function(j, k)
 110 {
 111         var canvasH = mediaListItemH * 0.95 ;
 112
 113     for (var i = j; (i < (j+k) && i < this.content.length); i++)
 114     {
 115         var artistText = {"text" : this.content[i].title, "xLoc" : canvasH + 20, "yLoc" : canvasH / 2.5 , "zLoc" : 0};
 116         var trackText = {"text" : " ", "xLoc" : canvasH + 20, "yLoc" : canvasH / 1.1 , "zLoc" : 0};
 117
 118                 this.makeListBar(imgIcon, i, artistText, trackText);
 119
 120                 // Set callback function for the new list item
 121                 $("#" + this.type + "CanvasNum" + i).click(function () {
 122
 123                         try
 124                         {
 125                                 imagePlayer.load($(this).parent().parent().index());
 126                                 $("#imageMediaList").hide();
 127                         }
 128                         catch(err)
 129                         {
 130                             console.log("MediaPlayer: load image error: " + err.message);
 131                         }
 132                 });
 133     }
 134 }