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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
/* /////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
NOTES:
The init function starts up the file system API, and a size must be
set, no unlimited available as of now.
////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////// */
//
var Montage = require("montage/core/core").Montage;
////////////////////////////////////////////////////////////////////////
//
exports.ChromeApi = Montage.create(Object.prototype, {
////////////////////////////////////////////////////////////////////
//Needs size in MBs for fileSystem init
init: {
enumerable: true,
value: function(size) {
//
if (window.webkitRequestFileSystem) {
//Current way to init Chrome's fileSystem API
window.webkitRequestFileSystem(window.PERSISTENT, size*1024*1024, function (fs) {
//Storing reference to instance
this.fileSystem = fs;
//Dispatching action ready event
var readyEvent = document.createEvent("CustomEvent");
readyEvent.initEvent('ready', true, true);
this.dispatchEvent(readyEvent);
//Building data of local Ninja Library
this._listNinjaChromeLibrary();
}.bind(this), function (e) {return false}); //Returns false on error (not able to init)
//
return true;
} else {
//No fileSystem API
return false;
}
}
},
////////////////////////////////////////////////////////////////////
//
_fileSystem: {
enumerable: false,
value: null
},
////////////////////////////////////////////////////////////////////
//
fileSystem: {
enumerable: false,
get: function() {
return this._fileSystem;
},
set: function(value) {
this._fileSystem = value;
}
},
////////////////////////////////////////////////////////////////////
//
fileNew: {
enumerable: true,
value: function(filePath, content, callback) {
//
this.fileSystem.root.getFile(filePath, {create: true}, function(f) {
//
f.createWriter(function(writer) {
//
var mime, blob = new window.WebKitBlobBuilder, type = filePath.split('.');
type = type[type.length-1];
switch (type) {
case 'bmp':
mime = 'image/bmp';
break;
case 'gif':
mime = 'image/gif';
break;
case 'jpeg':
mime = 'image/jpeg';
break;
case 'jpg':
mime = 'image/jpeg';
break;
case 'png':
mime = 'image/png';
break;
case 'rtf':
mime = 'application/rtf';
break;
case 'tif':
mime = 'image/tiff';
break;
case 'tiff':
mime = 'image/tiff';
break;
case 'pdf':
mime = 'application/pdf';
break;
case 'zip':
mime = 'application/zip';
break;
case 'svg':
mime = 'image/svg+xml';
break;
default:
mime = 'text/'+type;
break;
}
//
blob.append(content);
writer.write(blob.getBlob(mime));
//
if (callback) callback(true);
}, function (e) {if (callback) callback(false)});
}, function (e) {if (callback) callback(false)});
}
},
////////////////////////////////////////////////////////////////////
//
fileDelete: {
enumerable: true,
value: function(filePath, callback) {
this.fileSystem.root.getFile(filePath, {create: false}, function(file) {
file.remove(function() {
if (callback) callback(true);
});
}, function (e) {if (callback) callback(false)});
}
},
////////////////////////////////////////////////////////////////////
//
fileContent: {
enumerable: true,
value: function(filePath, callback) {
//
this.fileSystem.root.getFile(filePath, {}, function(f) {
f.file(function(file) {
var reader = new FileReader();
reader.onloadend = function(e) {
if (callback) {
callback({content: this.result, data: file, file: f, url: f.toURL()});
}
};
reader.readAsArrayBuffer(file);
}, function (e) {if (callback) callback(false)});
}, function (e) {if (callback) callback(false)});
}
},
////////////////////////////////////////////////////////////////////
//
fileCopy: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//
fileRename: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//
fileMove: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//Creating directory from path, callback optional
directoryNew: {
enumerable: true,
value: function(directoryPath, callback) {
//Checking for directory not to already exist
this.fileSystem.root.getDirectory(directoryPath, {}, function(dir) {
if (callback) callback(false);
return false; //Directory already exists
});
//Creating new directory
this.fileSystem.root.getDirectory(directoryPath, {create: true}, function(dir) {
if (callback) callback(true);
}, function (e) {if (callback) callback(false)});
}
},
////////////////////////////////////////////////////////////////////
//
directoryDelete: {
enumerable: true,
value: function(directoryPath, callback) {
//
this.fileSystem.root.getDirectory(directoryPath, {}, function(dir) {
//
dir.removeRecursively(function() {
if (callback) callback(true);
});
}, function (e) {if (callback) callback(false)});
}
},
////////////////////////////////////////////////////////////////////
//Returns the directory contents to a callback function
directoryContents: {
enumerable: true,
value: function(directory, callback) {
//Creating instance of directory reader
this.fileSystem.directoryReader = directory.createReader();
//Getting directory contents and sending results to callback
this.fileSystem.directoryReader.readEntries(function(results) {
//Calling callback with results (null if invalid directory)
callback(results);
}, function (e) {callback(null)});
}
},
////////////////////////////////////////////////////////////////////
//
directoryCopy: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//
directoryRename: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//
directoryMove: {
enumerable: true,
value: function() {
}
},
////////////////////////////////////////////////////////////////////
//
_listNinjaChromeLibrary: {
enumerable: false,
value: function () {
function parseLibrary (contents) {
//
var lib = [];
//
for(var i=0; contents[i]; i++) {
//
if (contents[i].isDirectory) {
lib.push(contents[i].name);
}
}
//Dispatching action ready event
var libraryEvent = document.createEvent("CustomEvent");
libraryEvent.initEvent('library', true, true);
libraryEvent.ninjaChromeLibrary = lib;
this.dispatchEvent(libraryEvent);
};
//
this.directoryContents(this.fileSystem.root, parseLibrary.bind(this));
}
}
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
});
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
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