Setting up Chrome File System API class

Chrome file system API will be used to copy over files from the sandboxed app into the sandboxed file system directory (in Chrome) to then be used by the core API and the cloud.

3 files changed, 351 insertions, 107 deletions

diff --git a/js/io/system/chromeapi.js b/js/io/system/chromeapi.js
new file mode 100644
index 00000000..d1ff6da3
--- /dev/null
+++ b/js/io/system/chromeapi.js
@@ -0,0 +1,295 @@
+/* <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:
+////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////// */
+//
+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) {
+                                this.fileSystem = fs;
+                        }).bind(this);
+                } else {
+                        //No fileSystem API
+                }
+        }
+    },
+    ////////////////////////////////////////////////////////////////////
+    //
+    _fileSystem: {
+        enumerable: false,
+        value: null
+    },
+    ////////////////////////////////////////////////////////////////////
+    //
+    fileSystem: {
+        enumerable: false,
+        get: function() {
+            return this._fileSystem;
+        },
+        set: function(value) {
+                this._fileSystem = value;
+        }
+    }
+    ////////////////////////////////////////////////////////////////////
+    ////////////////////////////////////////////////////////////////////   
+});
+////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////
+
+
+
+//window.webkitRequestFileSystem(window.PERSISTENT, 10*1024*1024 /*10MB*/, function (fs) {
+                                
+                                
+                                
+                                /*
+for (var i=1; i<50; i++) {
+                                fs.root.getDirectory('montage0.0.0.'+i, {}, function(dirEntry) {
+                                //
+                                 dirEntry.removeRecursively(function() {
+                                        console.log('Directory removed.');
+                                });
+                        });
+                        }
+*/
+                        
+                        
+                        
+                        
+                        
+                        
+                                //
+                                /*
+var xhr = new XMLHttpRequest(), dir, mjs;
+                //
+                xhr.open("GET", '/ninja-internal/node_modules/descriptor.json', false);
+                xhr.send();
+                                //
+                if (xhr.readyState === 4) {
+                        //
+                        mjs = JSON.parse(xhr.response);
+                                //
+                                if (mjs.version) {
+                                        //Checking for version to exist
+                                                fs.root.getDirectory('montage'+mjs.version, {}, function(dirEntry) {
+                                                        //Already copied, nothing
+                                                        console.log('montage'+mjs.version+' has already been created');
+                                                }, function (e) {
+                                                        //Not present, should be copied
+                                                        createFolder(false, {name: 'montage'+mjs.version});
+                                                //
+                                        for (var i in mjs.directories) {
+                                                createFolder('montage'+mjs.version, mjs.directories[i]);
+                                        }
+                                        //
+                                        
+                                        
+                                        for (var j in mjs.files) {
+                                                
+                                                var frqst = new XMLHttpRequest();
+                                                frqst.open("GET", '/ninja-internal/node_modules/montage/'+mjs.files[j], false);
+                                                frqst.send();
+                                                
+                                                if (frqst.readyState === 4) {
+                                                        createFile('montage'+mjs.version+'/'+mjs.files[j], frqst.response);
+                                                }
+                                        }
+                                        
+                                        //
+                                        console.log('montage'+mjs.version+' was created');
+                                                }, folderError);
+                        }
+                        
+                            }
+                                //
+                                function createFile (path, content) {
+                                        //
+                                        fs.root.getFile(path, {create: true}, function(fileEntry) {
+                                                //
+                                                fileEntry.createWriter(function(fileWriter) {
+                                                        //
+                                                        //console.log(path);
+                                                        var bb = new window.WebKitBlobBuilder;
+                                        bb.append(content);
+                                        fileWriter.write(bb.getBlob('text/plain'));
+                                                }, fileError);
+                                        
+                                        }, fileError);
+                                }
+                            //
+                            function createFolder(root, folder) {
+                                if (folder.name) {
+                                        if (root) {
+                                                dir = root+'/'+folder.name;
+                                        } else {
+                                                dir = folder.name;
+                                        }
+                                        //
+                                        //console.log(dir);
+                                        //
+                                        fs.root.getDirectory(dir, {create: true}, function(dirEntry) {
+                                                //
+                                        }, folderError);
+                                }
+                                //
+                                if (folder.children) {
+                                        for (var i in folder.children) {
+                                                if (root) {
+                                                        createFolder(root+'/'+folder.name, folder.children[i]);
+                                                } else {
+                                                        createFolder(folder.name, folder.children[i]);
+                                                }
+                                        }
+                                }
+                            }
+                            //
+                            function folderError (e) {
+                                console.log(e);
+                            }
+                            function fileError (e) {
+                                console.log(e);
+                            }
+                            
+                            
+                            setTimeout( function () {
+                            for (var m in mjs.files) {
+                                                                
+                                        fs.root.getFile('montage'+mjs.version+'/'+mjs.files[m], {}, function(fileEntry) {
+                                                
+                                                console.log(mjs.files[m]);
+                                                
+                                                fileEntry.file(function(file) {
+                                                
+                                                        var reader = new FileReader();
+                                                        reader.onloadend = function(e) {
+                                                        //console.log(e.target.file.name);
+                                                        var test = this.createFile({uri: '/Users/kgq387/Desktop/Ninja Cloud/Disk/'+e.target.file.name, contents: e.target.result});
+                                                }.bind(this);
+                                                        
+                                                        reader.file = file;
+                                                reader.readAsText(file);
+                                                        
+                                                }.bind(this));
+                                                
+                                        }.bind(this));
+                                
+                                }}.bind(this), 5000);
+*/
+                            
+                            
+                            
+                            
+                            
+                        //}.bind(this));
+                        
+                        
+                        
+                        
+                        
+                        
+                        
+                        ////////////////////////////////////////////////////////////
+                        ////////////////////////////////////////////////////////////
+                        //TODO: Remove, this is only for testing
+                
+                        
+                        /*
+window.webkitRequestFileSystem(window.PERSISTENT, 10*1024*1024 , function (fs) {
+                                
+                                
+                                var start = new Date().getTime();
+                                
+                                for (var i=0; i<250; i++) {
+                                        
+                                        fs.root.getFile('test'+i+'.txt', {create: true}, function(fileEntry) {
+                                        
+                                                fileEntry.createWriter(function(fileWriter) {