Added checking to prevent cascading threads and server checks.

[MenuTunes.git] / MainController.m

diff --git a/MainController.m b/MainController.m
index c2acaf1..65c718c 100755 (executable)
--- a/MainController.m
+++ b/MainController.m
@@ -33,7 +33,6 @@
 @interface MainController(Private)
 - (ITMTRemote *)loadRemote;
 - (void)setLatestSongIdentifier:(NSString *)newIdentifier;
-- (void)checkForRemoteServer;
 - (void)applicationLaunched:(NSNotification *)note;
 - (void)applicationTerminated:(NSNotification *)note;
 @end
@@ -90,7 +89,7 @@ static MainController *sharedController;
     if ([df boolForKey:@"enableSharing"]) {
         [self setServerStatus:YES];
     } else if ([df boolForKey:@"useSharedPlayer"]) {
-        [self checkForRemoteServer];
+        [self checkForRemoteServerAndConnectImmediately:YES];
     }
     
     //Setup for notification of the remote player launching or quitting
@@ -778,7 +777,19 @@ static MainController *sharedController;
     NS_ENDHANDLER
     
     if ( title ) {
-
+        if ( [df boolForKey:@"showAlbumArtwork"] ) {
+           NSSize oldSize, newSize;
+             NS_DURING
+                art = [[self currentRemote] currentSongAlbumArt];
+                oldSize = [art size];
+                if (oldSize.width > oldSize.height) newSize = NSMakeSize(110,oldSize.height * (110.0f / oldSize.width));
+                else newSize = NSMakeSize(oldSize.width * (110.0f / oldSize.height),110);
+                art = [[[[NSImage alloc] initWithData:[art TIFFRepresentation]] autorelease] imageScaledSmoothlyToSize:newSize];
+            NS_HANDLER
+                [self networkError:localException];
+            NS_ENDHANDLER
+        }
+        
         if ( [df boolForKey:@"showAlbum"] ) {
             NS_DURING
                 album = [[self currentRemote] currentSongAlbum];
@@ -844,20 +855,6 @@ static MainController *sharedController;
                 rating = ( currentRating * 5 );
             }
         }
-        
-        if ( [df boolForKey:@"showAlbumArtwork"] ) {
-           NSSize oldSize, newSize;
-             NS_DURING
-                art = [[self currentRemote] currentSongAlbumArt];
-                oldSize = [art size];
-                if (oldSize.width > oldSize.height) newSize = NSMakeSize(110,oldSize.height * (110.0f / oldSize.width));
-                else newSize = NSMakeSize(oldSize.width * (110.0f / oldSize.height),110);
-                art = [[[[NSImage alloc] initWithData:[art TIFFRepresentation]] autorelease] imageScaledSmoothlyToSize:newSize];
-            NS_HANDLER
-                [self networkError:localException];
-            NS_ENDHANDLER
-        }
-        
     } else {
         title = NSLocalizedString(@"noSongPlaying", @"No song is playing.");
     }
@@ -1134,9 +1131,22 @@ static MainController *sharedController;
 }
 
 - (void)checkForRemoteServer
+{
+    [self checkForRemoteServerAndConnectImmediately:NO];
+}
+
+- (void)checkForRemoteServerAndConnectImmediately:(BOOL)connectImmediately
 {
     ITDebugLog(@"Checking for remote server.");
-    [NSThread detachNewThreadSelector:@selector(runRemoteServerCheck:) toTarget:self withObject:nil];
+    if (!_checkingForServer) {
+        if (!_serverCheckLock) {
+            _serverCheckLock = [[NSLock alloc] init];
+        }
+        [_serverCheckLock lock];
+        _checkingForServer = YES;
+        [_serverCheckLock unlock];
+        [NSThread detachNewThreadSelector:@selector(runRemoteServerCheck:) toTarget:self withObject:[NSNumber numberWithBool:connectImmediately]];
+    }
 }
 
 - (void)runRemoteServerCheck:(id)sender
@@ -1145,11 +1155,18 @@ static MainController *sharedController;
     ITDebugLog(@"Remote server check running.");
     if ([networkController checkForServerAtHost:[df stringForKey:@"sharedPlayerHost"]]) {
         ITDebugLog(@"Remote server found.");
-        [self performSelectorOnMainThread:@selector(remoteServerFound:) withObject:nil waitUntilDone:NO];
+        if ([sender boolValue]) {
+            [self performSelectorOnMainThread:@selector(connectToServer) withObject:nil waitUntilDone:NO];
+        } else {
+            [self performSelectorOnMainThread:@selector(remoteServerFound:) withObject:nil waitUntilDone:NO];
+        }
     } else {
         ITDebugLog(@"Remote server not found.");
         [self performSelectorOnMainThread:@selector(remoteServerNotFound:) withObject:nil waitUntilDone:NO];
     }
+    [_serverCheckLock lock];
+    _checkingForServer = NO;
+    [_serverCheckLock unlock];
     [pool release];
 }
 
@@ -1162,17 +1179,20 @@ static MainController *sharedController;
 
 - (void)remoteServerNotFound:(id)sender
 {
-    [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:NO];
+    if (![[NetworkController sharedController] isConnectedToServer]) {
+        [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:NO];
+    }
 }
 
 - (void)networkError:(NSException *)exception
 {
     ITDebugLog(@"Remote exception thrown: %@: %@", [exception name], [exception reason]);
     if ( ((exception == nil) || [[exception name] isEqualToString:NSPortTimeoutException]) && [networkController isConnectedToServer]) {
-        NSRunCriticalAlertPanel(@"Remote MenuTunes Disconnected", @"The MenuTunes server you were connected to stopped responding or quit. MenuTunes will revert back to the local player.", @"OK", nil, nil);
+        //NSRunCriticalAlertPanel(@"Remote MenuTunes Disconnected", @"The MenuTunes server you were connected to stopped responding or quit. MenuTunes will revert back to the local player.", @"OK", nil, nil);
+        [[StatusWindowController sharedController] showNetworkErrorQueryWindow];
         if ([self disconnectFromServer]) {
             [[PreferencesController sharedPrefs] resetRemotePlayerTextFields];
-            [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:YES];
+            [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:NO];
         } else {
             ITDebugLog(@"CRITICAL ERROR, DISCONNECTING!");
         }
@@ -1181,9 +1201,10 @@ static MainController *sharedController;
 
 - (void)reconnect
 {
-    if ([self connectToServer] == 0) {
-        [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:YES];
-    }
+    /*if ([self connectToServer] == 0) {
+        [NSTimer scheduledTimerWithTimeInterval:90.0 target:self selector:@selector(checkForRemoteServer) userInfo:nil repeats:NO];
+    }*/
+    [self checkForRemoteServerAndConnectImmediately:YES];
     [[StatusWindow sharedWindow] setLocked:NO];
     [[StatusWindow sharedWindow] vanish:self];
     [[StatusWindow sharedWindow] setIgnoresMouseEvents:YES];
@@ -1278,6 +1299,7 @@ static MainController *sharedController;
     [statusWindowController release];
     [menuController release];
     [networkController release];
+    [_serverCheckLock release];
     [super dealloc];
 }