Add check to only init and run JS code once - even if included multiple times.

framework/assets/js/accelerometer.js

@@ -6,7 +6,10 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
-function Acceleration(x, y, z) {
+if (!PhoneGap.hasResource("accelerometer")) {
+PhoneGap.addResource("accelerometer");
+
+Acceleration = function(x, y, z) {
   this.x = x;
   this.y = y;
   this.z = z;
@@ -17,7 +20,7 @@ function Acceleration(x, y, z) {
  * This class provides access to device accelerometer data.
  * @constructor
  */
-function Accelerometer() {
+Accelerometer = function() {
 
     /**
      * The last known acceleration.  type=Acceleration()
@@ -119,3 +122,4 @@ PhoneGap.addConstructor(function() {
         navigator.accelerometer = new Accelerometer();
     }
 });
+};

framework/assets/js/app.js

@@ -6,10 +6,13 @@
  * Copyright (c) 2010-2011, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("app")) {
+PhoneGap.addResource("app");
+
 /**
  * Constructor
  */
-function App() {}
+App = function() {};
 
 /**
  * Clear the resource cache.
@@ -87,3 +90,4 @@ App.prototype.exitApp = function() {
 PhoneGap.addConstructor(function() {
     navigator.app = window.app = new App();
 });
+};

framework/assets/js/camera.js

@@ -6,6 +6,9 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("camera")) {
+PhoneGap.addResource("camera");
+
 /**
  * This class provides access to the device camera.
  *
@@ -91,3 +94,4 @@ PhoneGap.addConstructor(function() {
         navigator.camera = new Camera();
     }
 });
+};

framework/assets/js/compass.js

@@ -6,11 +6,14 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("compass")) {
+PhoneGap.addResource("compass");
+
 /**
  * This class provides access to device Compass data.
  * @constructor
  */
-function Compass() {
+Compass = function() {
     /**
      * The last known Compass position.
      */
@@ -20,7 +23,7 @@ function Compass() {
      * List of compass watch timers
      */
     this.timers = {};
-}
+};
 
 Compass.ERROR_MSG = ["Not running", "Starting", "", "Failed to start"];
 
@@ -113,3 +116,4 @@ PhoneGap.addConstructor(function() {
         navigator.compass = new Compass();
     }
 });
+};

framework/assets/js/contact.js

@@ -6,6 +6,9 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("contact")) {
+PhoneGap.addResource("contact");
+
 /**
 * Contains information about a single contact.
 * @param {DOMString} id unique identifier
@@ -295,3 +298,4 @@ PhoneGap.addConstructor(function() {
         navigator.service.contacts = new Contacts();
     }
 });
+};

framework/assets/js/crypto.js

@@ -8,6 +8,9 @@
 
 // TODO: Needs to be commented
 
+if (!PhoneGap.hasResource("crypto")) {
+PhoneGap.addResource("crypto");
+
 var Crypto = function() {
 };
 
@@ -34,4 +37,4 @@ PhoneGap.addConstructor(function() {
         navigator.Crypto = new Crypto();
     }
 });
-
+};

framework/assets/js/device.js

@@ -6,12 +6,15 @@
  * Copyright (c) 2010-2011, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("device")) {
+PhoneGap.addResource("device");
+
 /**
  * This represents the mobile device, and provides properties for inspecting the model, version, UUID of the
  * phone, etc.
  * @constructor
  */
-function Device() {
+Device = function() {
     this.available = PhoneGap.available;
     this.platform = null;
     this.version = null;
@@ -35,7 +38,7 @@ function Device() {
             console.log("Error initializing PhoneGap: " + e);
             alert("Error initializing PhoneGap: "+e);
         });
-}
+};
 
 /**
  * Get device info
@@ -97,3 +100,4 @@ Device.prototype.exitApp = function() {
 PhoneGap.addConstructor(function() {
     navigator.device = window.device = new Device();
 });
+};

framework/assets/js/file.js

@@ -6,6 +6,9 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("file")) {
+PhoneGap.addResource("file");
+
 /**
  * This class provides generic read and write access to the mobile device file system.
  * They are not used to read files from a server.
@@ -16,11 +19,11 @@
  * This is the fields returned when navigator.fileMgr.getFileProperties() 
  * is called.
  */
-function FileProperties(filePath) {
+FileProperties = function(filePath) {
     this.filePath = filePath;
     this.size = 0;
     this.lastModifiedDate = null;
-}
+};
 
 /**
  * Represents a single file.
@@ -31,17 +34,17 @@ function FileProperties(filePath) {
  * lastModifiedDate {Date} last modified date
  * size {Number} size of the file in bytes
  */
-function File(name, fullPath, type, lastModifiedDate, size) {
+File = function(name, fullPath, type, lastModifiedDate, size) {
 	this.name = name || null;
     this.fullPath = fullPath || null;
 	this.type = type || null;
     this.lastModifiedDate = lastModifiedDate || null;
     this.size = size || 0;
-}
+};
 
-function FileError() {
+FileError = function() {
    this.code = null;
-}
+};
 
 // File error codes
 // Found in DOMException
@@ -64,8 +67,8 @@ FileError.PATH_EXISTS_ERR = 12;
 // File manager
 //-----------------------------------------------------------------------------
 
-function FileMgr() {
+FileMgr = function() {
-}
+};
 
 FileMgr.prototype.getFileProperties = function(filePath) {
     return PhoneGap.exec(null, null, "File", "getFileProperties", [filePath]);
@@ -129,7 +132,7 @@ PhoneGap.addConstructor(function() {
  *      The root directory is the root of the file system.
  *      To read from the SD card, the file name is "sdcard/my_file.txt"
  */
-function FileReader() {
+FileReader = function() {
     this.fileName = "";
 
     this.readyState = 0;
@@ -147,7 +150,7 @@ function FileReader() {
     this.onerror = null;        // When the read has failed (see errors).
     this.onloadend = null;      // When the request has completed (either in success or failure).
     this.onabort = null;        // When the read has been aborted. For instance, by invoking the abort() method.
-}
+};
 
 // States
 FileReader.EMPTY = 0;
@@ -379,7 +382,7 @@ FileReader.prototype.readAsArrayBuffer = function(file) {
  * @param file {File} File object containing file properties
  * @param append if true write to the end of the file, otherwise overwrite the file
  */
-function FileWriter(file) {
+FileWriter = function(file) {
     this.fileName = "";
     this.length = 0;
 	if (file) {
@@ -403,7 +406,7 @@ function FileWriter(file) {
     this.onwriteend = null;		// When the request has completed (either in success or failure).
     this.onabort = null;		// When the write has been aborted. For instance, by invoking the abort() method.
     this.onerror = null;		// When the write has failed (see errors).
-}
+};
 
 // States
 FileWriter.INIT = 0;
@@ -633,7 +636,7 @@ FileWriter.prototype.truncate = function(size) {
     );
 };
 
-function LocalFileSystem() {
+LocalFileSystem = function() {
 };
 
 // File error codes
@@ -760,7 +763,7 @@ LocalFileSystem.prototype._castDate = function(pluginResult) {
  * 
  * {Date} modificationTime (readonly)
  */
-function Metadata() {
+Metadata = function() {
     this.modificationTime=null;
 };
 
@@ -770,7 +773,7 @@ function Metadata() {
  * @param {boolean} create file or directory if it doesn't exist 
  * @param {boolean} exclusive if true the command will fail if the file or directory exists
  */
-function Flags(create, exclusive) {
+Flags = function(create, exclusive) {
     this.create = create || false;
     this.exclusive = exclusive || false;
 };
@@ -781,7 +784,7 @@ function Flags(create, exclusive) {
  * {DOMString} name the unique name of the file system (readonly)
  * {DirectoryEntry} root directory of the file system (readonly)
  */
-function FileSystem() {
+FileSystem = function() {
     this.name = null;
     this.root = null;
 };
@@ -795,7 +798,7 @@ function FileSystem() {
  * {DOMString} fullPath the absolute full path to the directory (readonly)
  * {FileSystem} filesystem on which the directory resides (readonly)
  */
-function DirectoryEntry() {
+DirectoryEntry = function() {
     this.isFile = false;
     this.isDirectory = true;
     this.name = null;
@@ -911,7 +914,7 @@ DirectoryEntry.prototype.removeRecursively = function(successCallback, errorCall
 /**
  * An interface that lists the files and directories in a directory.
  */
-function DirectoryReader(fullPath){
+DirectoryReader = function(fullPath){
 	this.fullPath = fullPath || null;    
 };
 
@@ -934,7 +937,7 @@ DirectoryReader.prototype.readEntries = function(successCallback, errorCallback)
  * {DOMString} fullPath the absolute full path to the file (readonly)
  * {FileSystem} filesystem on which the directory resides (readonly)
  */
-function FileEntry() {
+FileEntry = function() {
     this.isFile = true;
     this.isDirectory = false;
     this.name = null;
@@ -1048,3 +1051,4 @@ PhoneGap.addConstructor(function() {
     if(typeof window.requestFileSystem == "undefined") window.requestFileSystem  = pgLocalFileSystem.requestFileSystem;
     if(typeof window.resolveLocalFileSystemURI == "undefined") window.resolveLocalFileSystemURI = pgLocalFileSystem.resolveLocalFileSystemURI;
 });
+};

framework/assets/js/filetransfer.js

@@ -6,26 +6,29 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("filetransfer")) {
+PhoneGap.addResource("filetransfer");
+
 /**
  * FileTransfer uploads a file to a remote server.
  */
-function FileTransfer() {}
+FileTransfer = function() {};
 
 /**
  * FileUploadResult
  */
-function FileUploadResult() {
+FileUploadResult = function() {
     this.bytesSent = 0;
     this.responseCode = null;
     this.response = null;
-}
+};
 
 /**
  * FileTransferError
  */
-function FileTransferError() {
+FileTransferError = function() {
     this.code = null;
-}
+};
 
 FileTransferError.FILE_NOT_FOUND_ERR = 1;
 FileTransferError.INVALID_URL_ERR = 2;
@@ -69,9 +72,10 @@ FileTransfer.prototype.upload = function(filePath, server, successCallback, erro
  * @param mimeType {String}  Mimetype of the uploaded file. Defaults to image/jpeg.
  * @param params {Object}    Object with key: value params to send to the server.
  */
-function FileUploadOptions(fileKey, fileName, mimeType, params) {
+FileUploadOptions = function(fileKey, fileName, mimeType, params) {
     this.fileKey = fileKey || null;
     this.fileName = fileName || null;
     this.mimeType = mimeType || null;
     this.params = params || null;
-}
+};
+};

framework/assets/js/geolocation.js

@@ -6,18 +6,21 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("geolocation")) {
+PhoneGap.addResource("geolocation");
+
 /**
  * This class provides access to device GPS data.
  * @constructor
  */
-function Geolocation() {
+Geolocation = function() {
 
     // The last known GPS position.
     this.lastPosition = null;
 
     // Geolocation listeners
     this.listeners = {};
-}
+};
 
 /**
  * Position error object
@@ -25,10 +28,10 @@ function Geolocation() {
  * @param code
  * @param message
  */
-function PositionError(code, message) {
+PositionError = function(code, message) {
     this.code = code;
     this.message = message;
-}
+};
 
 PositionError.PERMISSION_DENIED = 1;
 PositionError.POSITION_UNAVAILABLE = 2;
@@ -191,4 +194,4 @@ PhoneGap.addConstructor(function() {
         Geolocation.usingPhoneGap = true;
     }
 });
-
+};

framework/assets/js/media.js

@@ -6,6 +6,9 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("media")) {
+PhoneGap.addResource("media");
+
 /**
  * List of media objects.
  * PRIVATE
@@ -128,10 +131,10 @@ Media.MEDIA_MSG = ["None", "Starting", "Running", "Paused", "Stopped"];
  * This class contains information about any Media errors.
  * @constructor
  */
-function MediaError() {
+MediaError = function() {
     this.code = null;
     this.message = "";
-}
+};
 
 MediaError.MEDIA_ERR_ABORTED        = 1;
 MediaError.MEDIA_ERR_NETWORK        = 2;
@@ -198,4 +201,4 @@ Media.prototype.stopRecord = function() {
 Media.prototype.release = function() {
     PhoneGap.exec(null, null, "Media", "release", [this.id]);
 };
-
+};

framework/assets/js/network.js

@@ -6,14 +6,17 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("network")) {
+PhoneGap.addResource("network");
+
 /**
  * This class contains information about any NetworkStatus.
  * @constructor
  */
-function NetworkStatus() {
+NetworkStatus = function() {
     //this.code = null;
     //this.message = "";
-}
+};
 
 NetworkStatus.NOT_REACHABLE = 0;
 NetworkStatus.REACHABLE_VIA_CARRIER_DATA_NETWORK = 1;
@@ -23,14 +26,14 @@ NetworkStatus.REACHABLE_VIA_WIFI_NETWORK = 2;
  * This class provides access to device Network data (reachability).
  * @constructor
  */
-function Network() {
+Network = function() {
     /**
      * The last known Network status.
      * { hostName: string, ipAddress: string,
         remoteHostStatus: int(0/1/2), internetConnectionStatus: int(0/1/2), localWiFiConnectionStatus: int (0/2) }
      */
     this.lastReachability = null;
-}
+};
 
 /**
  * Called by the geolocation framework when the reachability status has changed.
@@ -61,4 +64,4 @@ PhoneGap.addConstructor(function() {
         navigator.network = new Network();
     }
 });
-
+};

framework/assets/js/notification.js

@@ -6,11 +6,14 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("notification")) {
+PhoneGap.addResource("notification");
+
 /**
  * This class provides access to notifications on the device.
  */
-function Notification() {
+Notification = function() {
-}
+};
 
 /**
  * Open a native alert dialog, with a customizable title and button text.
@@ -115,4 +118,4 @@ PhoneGap.addConstructor(function() {
         navigator.notification = new Notification();
     }
 });
-
+};

framework/assets/js/phonegap.js.base

@@ -6,6 +6,7 @@
  * Copyright (c) 2010-2011, IBM Corporation
  */
 
+if (typeof PhoneGap === "undefined") {
 
 /**
  * The order of events during page load and PhoneGap startup is as follows:
@@ -48,6 +49,30 @@ var PhoneGap = {
     }
 };
 
+/**
+ * List of resource files loaded by PhoneGap.
+ * This is used to ensure JS and other files are loaded only once.
+ */
+PhoneGap.resources = {base: true};
+
+/**
+ * Determine if resource has been loaded by PhoneGap
+ *
+ * @param name
+ * @return
+ */
+PhoneGap.hasResource = function(name) {
+    return PhoneGap.resources[name];
+};
+
+/**
+ * Add a resource to list of loaded resources by PhoneGap
+ *
+ * @param name
+ */
+PhoneGap.addResource = function(name) {
+    PhoneGap.resources[name] = true;
+};
 
 /**
  * Custom pub-sub channel that can have functions subscribed to it
@@ -906,3 +931,4 @@ var PluginManager = {
         navigator.app.addService(serviceType, className);   
     }
 };
+};

framework/assets/js/position.js

@@ -6,6 +6,9 @@
  * Copyright (c) 2010, IBM Corporation
  */
 
+if (!PhoneGap.hasResource("position")) {
+PhoneGap.addResource("position");
+
 /**
  * This class contains position information.
  * @param {Object} lat
@@ -17,12 +20,12 @@
  * @param {Object} vel
  * @constructor
  */
-function Position(coords, timestamp) {
+Position = function(coords, timestamp) {
 	this.coords = coords;
 	this.timestamp = (timestamp !== 'undefined') ? timestamp : new Date().getTime();
-}
+};
 
-function Coordinates(lat, lng, alt, acc, head, vel, altacc) {
+Coordinates = function(lat, lng, alt, acc, head, vel, altacc) {
 	/**
 	 * The latitude of the position.
 	 */
@@ -51,13 +54,13 @@ function Coordinates(lat, lng, alt, acc, head, vel, altacc) {
 	 * The altitude accuracy of the position.
 	 */
 	this.altitudeAccuracy = (altacc !== 'undefined') ? altacc : null; 
-}
+};
 
 /**
  * This class specifies the options for requesting position data.
  * @constructor
  */
-function PositionOptions() {
+PositionOptions = function() {
 	/**
 	 * Specifies the desired position accuracy.
 	 */
@@ -67,18 +70,19 @@ function PositionOptions() {
 	 * is called.
 	 */
 	this.timeout = 10000;
-}
+};
 
 /**
  * This class contains information about any GSP errors.
  * @constructor
  */
-function PositionError() {
+PositionError = function() {
 	this.code = null;
 	this.message = "";
-}
+};
 
 PositionError.UNKNOWN_ERROR = 0;
 PositionError.PERMISSION_DENIED = 1;
 PositionError.POSITION_UNAVAILABLE = 2;
 PositionError.TIMEOUT = 3;
+};

framework/assets/js/storage.js

@@ -12,6 +12,9 @@
  * most manufacturers ship with Android 1.5 and do not do OTA Updates, this is required
  */
 
+if (!PhoneGap.hasResource("storage")) {
+PhoneGap.addResource("storage");
+
 /**
  * Storage object that is called by native code when performing queries.
  * PRIVATE METHOD
@@ -392,4 +395,4 @@ PhoneGap.addConstructor(function() {
         PhoneGap.waitForInitialization("cupcakeStorage");
     }
 });
-
+};