refractor PhoneGapDelegate to allow teardown and reinit of web view

PhoneGapLib/Classes/PhoneGapDelegate.h

@@ -30,29 +30,100 @@
 @property (nonatomic, readonly, retain) NSDictionary *settings;
 @property (nonatomic, readonly, retain) PGWhitelist* whitelist; // readonly for public
 
+
+#pragma mark - App settings 
+
 + (NSDictionary*)getBundlePlist:(NSString *)plistName;
 + (NSString*) wwwFolderName;
 + (NSString*) pathForResource:(NSString*)resourcepath;
 + (NSString*) phoneGapVersion;
 + (NSString*) applicationDocumentsDirectory;
+
+/**
+ @return URL string for the first page that should be loaded in the web view: defaults to www/index.html
+ */
 + (NSString*) startPage;
 
+/**
+ @return NSString The first URL scheme supported by this app, if any registered with CFBundleURLSchemes in the app .plist
+ */
+- (NSString*) appURLScheme;
+
+/**
+ @return NSDictionary A set of device and app properties
+ */
+- (NSDictionary*) deviceProperties;
+
+
+#pragma mark - Command Queue
+
 - (int)executeQueuedCommands;
 - (void)flushCommandQueue;
+- (BOOL) execute:(InvokedUrlCommand*)command;
+
+#pragma mark - Plugin Management
+
+/**
+ 
+ */
+- (void)reinitializePlugins;
 
+/**
+ Get an instance of the named plugin.  This method creates a new instance if
+ one does not already exist. If there is an existing instance, this method returns it.
+ Thus, plugins are essentially singletons.
+ 
+ @param pluginName Class name for plugin, eg "com.salesforce.com.foo"
+ @return Singleton instance of the named plugin
+ */
 - (id) getCommandInstance:(NSString*)pluginName;
-- (void) javascriptAlert:(NSString*)text;
-- (BOOL) execute:(InvokedUrlCommand*)command;
-- (NSString*) appURLScheme;
-- (NSDictionary*) deviceProperties;
 
+
+#pragma mark - Embedded UIWebView management
+
+/**
+Tear down the existing web view.
+ @see reinitializeWebView
+ */
+- (void)teardownWebView;
+
+/**
+ (re)Initialize the embedded web view.
+ @see teardownWebView
+ */
+- (void)reinitializeWebView;
+
+
+/**
+ Configure the web view from self.settings.
+ @param aWebView The web view to configure;
+ */
+- (void)configureWebViewFromSettings:(UIWebView*)aWebView;
+
+
+#pragma mark - Application state transitions
 - (void)applicationDidEnterBackground:(UIApplication *)application;
 - (void)applicationWillEnterForeground:(UIApplication *)application;
 - (void)applicationWillResignActive:(UIApplication *)application;
 - (void)applicationWillTerminate:(UIApplication *)application;
 
+
+#pragma mark - Public
+
+
+/**
+ Force a javascript alert to be shown in the embedded UIWebView
+ @param text  Message to be shown in the web view in a javascript alert.
+ */
+- (void) javascriptAlert:(NSString*)text;
+
+
+
+
 @end
 
+
+
 @interface NSDictionary (LowercaseKeys)
 
 - (NSDictionary*) dictionaryWithLowercaseKeys;