added stop functionality

AirPresent/AirPresent/UIApplication+AirPresent.m

@@ -82,11 +82,20 @@ - (void) start
 		airplay.delegate = self;
 	}
 
-	[airplay findDevices];
+	if(!airplay.connectedDevice)
+	{
+		[airplay findDevices];
+	}
+	else
+	{
+		[self manager:airplay didConnectToDevice:airplay.connectedDevice];
+	}
 }
 
 - (void) stop
 {
+	[airplay.connectedDevice sendStop];
+
 	if(runTimer)
 	{
 		[runTimer invalidate];

AirPresent/Classes/AirPresentAppDelegate.m

@@ -32,40 +32,27 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
 
 
 - (void)applicationWillResignActive:(UIApplication *)application {
-    /*
-     Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
-     Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
-     */
+    [[UIApplication sharedApplication] endPresentingScreen];
 }
 
 
 - (void)applicationDidEnterBackground:(UIApplication *)application {
-    /*
-     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
-     If your application supports background execution, called instead of applicationWillTerminate: when the user quits.
-     */
+	//[[UIApplication sharedApplication] endPresentingScreen];
 }
 
 
 - (void)applicationWillEnterForeground:(UIApplication *)application {
-    /*
-     Called as part of  transition from the background to the inactive state: here you can undo many of the changes made on entering the background.
-     */
+    //[[UIApplication sharedApplication] beginPresentingScreen];
 }
 
 
 - (void)applicationDidBecomeActive:(UIApplication *)application {
-    /*
-     Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
-     */
+    [[UIApplication sharedApplication] beginPresentingScreen];
 }
 
 
 - (void)applicationWillTerminate:(UIApplication *)application {
-    /*
-     Called when the application is about to terminate.
-     See also applicationDidEnterBackground:.
-     */
+    [[UIApplication sharedApplication] endPresentingScreen];
 }
 
 

MacOS/AirplayKit/AKAirplayManager.m

@@ -115,7 +115,7 @@ - (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UIn
 
 - (void) dealloc
 {
-	[connectedDevice dealloc];
+	[connectedDevice release];
 	[foundServices removeAllObjects];
 	[foundServices release];
 

MacOS/AirplayKit/AKDevice.h

@@ -40,5 +40,6 @@
 - (void) sendRawMessage:(NSString *)message; // Sends a raw HTTP string over Airplay.
 - (void) sendContentURL:(NSString *)url;
 - (void) sendImage:(NSImage *)image;
+- (void) sendStop;
 
 @end

MacOS/AirplayKit/AKDevice.m

@@ -43,19 +43,6 @@ - (void) sendRawMessage:(NSString *)message
 	[self.socket readDataWithTimeout:20.0 tag:1];
 }
 
-/*
-- (void) sendReverse
-{
-	NSString *message = @"POST /reverse HTTP/1.1\n"
-							"Content-Length: 0\n"
-							"User-Agent: MediaControl/1.0\n"
-							"Upgrade: PTTH/1.0\n"
-							"Connection: Upgrade\n\n";
-	
-	[self sendRawMessage:message];
-}
- */
-
 - (void) sendContentURL:(NSString *)url
 {	
 	NSString *body = [[NSString alloc] initWithFormat:@"Content-Location: %@\n"
@@ -89,6 +76,13 @@ - (void) sendImage:(NSImage *)image
 	[self.socket readDataWithTimeout:20.0 tag:1];
 }
 
+- (void) sendStop
+{
+	NSString *message = @"POST /stop HTTP/1.1\n"
+						 "User-Agent: MediaControl/1.0\n\n%@";
+	[self sendRawMessage:message];
+}
+
 #pragma mark -
 #pragma mark Socket Delegate
 
@@ -103,6 +97,7 @@ - (void)onSocket:(AsyncSocket *)sock didReadData:(NSData *)data withTag:(long)ta
 
 - (void) dealloc
 {
+	[self sendStop];
 	[socket release];
 	[hostname release];
 	[super dealloc];

iOS/AirplayKit/AKAirplayManager.m

@@ -43,10 +43,13 @@ - (void) connectToDevice:(AKDevice *)device
 {
 	NSLog(@"Connecting to device : %@:%d", device.hostname, device.port);
 
-	tempDevice = [device retain];
-
-	AsyncSocket *socket = [[AsyncSocket alloc] initWithDelegate:self];
-	[socket connectToHost:device.hostname onPort:device.port error:NULL];
+	if(!tempDevice)
+	{
+		tempDevice = [device retain];
+
+		AsyncSocket *socket = [[AsyncSocket alloc] initWithDelegate:self];
+		[socket connectToHost:device.hostname onPort:device.port error:NULL];
+	}
 }
 
 #pragma mark -
@@ -115,7 +118,7 @@ - (void)onSocket:(AsyncSocket *)sock didConnectToHost:(NSString *)host port:(UIn
 
 - (void) dealloc
 {
-	[connectedDevice dealloc];
+	[connectedDevice release];
 	[foundServices removeAllObjects];
 	[foundServices release];
 

iOS/AirplayKit/AKDevice.h

@@ -40,5 +40,6 @@
 - (void) sendRawMessage:(NSString *)message; // Sends a raw HTTP string over Airplay.
 - (void) sendContentURL:(NSString *)url;
 - (void) sendImage:(UIImage *)image;
+- (void) sendStop;
 
 @end

iOS/AirplayKit/AKDevice.m

@@ -43,19 +43,6 @@ - (void) sendRawMessage:(NSString *)message
 	[self.socket readDataWithTimeout:20.0 tag:1];
 }
 
-/*
-- (void) sendReverse
-{
-	NSString *message = @"POST /reverse HTTP/1.1\n"
-							"Content-Length: 0\n"
-							"User-Agent: MediaControl/1.0\n"
-							"Upgrade: PTTH/1.0\n"
-							"Connection: Upgrade\n\n";
-	
-	[self sendRawMessage:message];
-}
- */
-
 - (void) sendContentURL:(NSString *)url
 {	
 	NSString *body = [[NSString alloc] initWithFormat:@"Content-Location: %@\n"
@@ -89,6 +76,13 @@ - (void) sendImage:(UIImage *)image
 	[self.socket readDataWithTimeout:20.0 tag:1];
 }
 
+- (void) sendStop
+{
+	NSString *message = @"POST /stop HTTP/1.1\n"
+	"User-Agent: MediaControl/1.0\n\n%@";
+	[self sendRawMessage:message];
+}
+
 #pragma mark -
 #pragma mark Socket Delegate
 
@@ -103,6 +97,7 @@ - (void)onSocket:(AsyncSocket *)sock didReadData:(NSData *)data withTag:(long)ta
 
 - (void) dealloc
 {
+	[self sendStop];
 	[socket release];
 	[hostname release];
 	[super dealloc];

iOS/iPhone/AppDelegate_iPhone.m

@@ -53,10 +53,7 @@ - (void)applicationWillResignActive:(UIApplication *)application {
 
 
 - (void)applicationDidEnterBackground:(UIApplication *)application {
-    /*
-     Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 
-     If your application supports background execution, called instead of applicationWillTerminate: when the user quits.
-     */
+    [manager.connectedDevice sendStop];
 }
 
 
@@ -75,10 +72,7 @@ Restart any tasks that were paused (or not yet started) while the application wa
 
 
 - (void)applicationWillTerminate:(UIApplication *)application {
-    /*
-     Called when the application is about to terminate.
-     See also applicationDidEnterBackground:.
-     */
+    [manager.connectedDevice sendStop];
 }