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Cache and testCache added

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diogogmt committed Sep 29, 2011
1 parent 6b217b1 commit 0b30de0963ce054b76a0c97704547e474eac98a4
Showing with 191 additions and 0 deletions.
  1. +129 −0 src/core/cache.js
  2. +62 −0 test/core/Cache/testCache.html
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var Cache = function() {

this.content = [];
this.fileTypes = [
['jpg', 'png', 'gif', 'svg', 'apng', 'tiff', 'jpeg', 'pnga'], // image
['mp4', 'mpeg', 'mpg', 'ogv', 'oga', 'dvx', 'divx', 'xdiv'], // video
['mp3', 'ogg', 'wav'] // audio
]

this.fileCategories = ['image', 'video', 'audio'];

this.onCompleteAll = function () {};
this.onComplete = function () {};
this.onError = function () {};

};

Cache.prototype.supports = function(ext) {
var index = 0;
var that = this;

var loopExtensions = function() {
var i;
var type = that.fileTypes[index];
// alert(type);
for (i = 0; i < type.length; i++) {
if (ext === type[i]){
return i;
}
}
if (that.fileTypes[index+1]) {
index += 1;
loopExtensions();
}
}

return loopExtensions();

}

Cache.prototype.get = function(obj) {
var i, j;
var content = obj.content;
for (i = 0; i < obj.content.length; i++) {

var resource = obj.content[i];
for (j = 0; j < resource.url.length; j++) {

var url = resource.url[j];
var ext = url.substring(url.lastIndexOf(".")+1);

switch (this.supports('jpg')) {
case 0 :resource.type = this.fileCategories[0];
this.loadImage(resource)
break;
case 1 :resourceType = this.fileCategories[1];
break;
case 2 :resourceType = this.fileCategories[2];
break;
default:
// Check for alternates
// Callback error function
}
// resource.data = this.loadImage(url,resource.name);
// alert(resource.data);
}


// this.onComplete(resource.name);

}

this.onCompleteAll();
};


Cache.prototype.find = function(resourceName) {
// alert('this.content[i]'); // alert to wait until all the images load
var i;
for (i = 0; i < this.content.length; i++) {
if (this.content[i].name === resourceName || this.content[i].url === resourceName) {
// alert(this.content[i]);
return this.content[i];
}
}
};

Cache.prototype.clear = function(resource) {
if (resource === undefined) {
this.content = null
}
else {
for (i = 0; i < this.content.length; i++) {
if (this.content[i].name === resource || this.content[i].url === resource) {
this.content[i].data = null;
this.content.splice(i,1);
}
}
}

};



Cache.prototype.loadImage = function (resource)
{
var that = this;
var loading = function() {
var img = new Image();
img.onload = function() {
console.log('Image loaded');
resource.data = img;
that.content.push(resource);
that.onComplete(resource);
};
img.onerror = function() {
console.log('Error loading the image');
};
img.src = resource.url;
img.id = resource.name;
console.log('loadImage method:' + img.id);
}
loading();


}


@@ -0,0 +1,62 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js" type="text/javascript"></script>
<script src="http://plugins.jquery.com/files/jquery.dump.js.txt" type="text/javascript"></script>
<script src="../../../src/core/Cache.js"></script>



</head>
<body>
<pre id="results"></pre>
<pre id="dump"></pre>
<script>
cache = new Cache();
cache.onCompleteAll = function() {
console.log('all resources loaded')
$("#dump").append(cache.find('ipes1').data + '<br />');
$("#dump").append(cache.find('ipes2').data + '<br />');
$("#dump").append(cache.find('book').data + '<br />');
$("#dump").append(cache.find('logo').data + '<br />');
}
cache.onComplete = function(resource) {
console.log('resource: ' + resource.name + 'loaded')
$('#results').append('Resource: ' + resource + ' loaded<br />');
}
cache.onError = function(resource) {
$('#results').append('Error loading resource: ' + resource + '<br />');
}
cache.get({
content: [
{
url: ['http://ipes-spain.com/assets/images/properties/80/7.JPG'],
name: 'ipes1'
},
{
url: ['http://ipes-spain.com/assets/ipes_images/slider1.jpg'],
name: 'ipes2'
}
]
});
</script>

</body>
</html>

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