AppRTCDemo(ios): style/cleanup fixes following cr/62871616-p10

BUG=2168
R=noahric@google.com

Review URL: https://webrtc-codereview.appspot.com/9709004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5768 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/ios/AppRTCDemo/APPRTCAppClient.m b/talk/examples/ios/AppRTCDemo/APPRTCAppClient.m
index 5b035e3..9ac83ff 100644
--- a/talk/examples/ios/AppRTCDemo/APPRTCAppClient.m
+++ b/talk/examples/ios/AppRTCDemo/APPRTCAppClient.m
@@ -37,13 +37,13 @@
 @interface APPRTCAppClient ()
 
 @property(nonatomic, strong) dispatch_queue_t backgroundQueue;
-@property(nonatomic, copy) NSString *baseURL;
-@property(nonatomic, strong) GAEChannelClient *gaeChannel;
-@property(nonatomic, copy) NSString *postMessageUrl;
-@property(nonatomic, copy) NSString *pcConfig;
-@property(nonatomic, strong) NSMutableString *roomHtml;
-@property(atomic, strong) NSMutableArray *sendQueue;
-@property(nonatomic, copy) NSString *token;
+@property(nonatomic, copy) NSString* baseURL;
+@property(nonatomic, strong) GAEChannelClient* gaeChannel;
+@property(nonatomic, copy) NSString* postMessageUrl;
+@property(nonatomic, copy) NSString* pcConfig;
+@property(nonatomic, strong) NSMutableString* roomHtml;
+@property(atomic, strong) NSMutableArray* sendQueue;
+@property(nonatomic, copy) NSString* token;
 
 @property(nonatomic, assign) BOOL verboseLogging;
 
@@ -51,23 +51,11 @@
 
 @implementation APPRTCAppClient
 
-@synthesize ICEServerDelegate = _ICEServerDelegate;
-@synthesize messageHandler = _messageHandler;
-
-@synthesize backgroundQueue = _backgroundQueue;
-@synthesize baseURL = _baseURL;
-@synthesize gaeChannel = _gaeChannel;
-@synthesize postMessageUrl = _postMessageUrl;
-@synthesize pcConfig = _pcConfig;
-@synthesize roomHtml = _roomHtml;
-@synthesize sendQueue = _sendQueue;
-@synthesize token = _token;
-@synthesize verboseLogging = _verboseLogging;
-@synthesize initiator = _initiator;
-@synthesize videoConstraints = _videoConstraints;
-
-- (id)init {
+- (id)initWithICEServerDelegate:(id<ICEServerDelegate>)delegate
+                 messageHandler:(id<GAEMessageHandler>)handler {
   if (self = [super init]) {
+    _ICEServerDelegate = delegate;
+    _messageHandler = handler;
     _backgroundQueue = dispatch_queue_create("RTCBackgroundQueue", NULL);
     _sendQueue = [NSMutableArray array];
     // Uncomment to see Request/Response logging.
@@ -78,12 +66,12 @@
 
 #pragma mark - Public methods
 
-- (void)connectToRoom:(NSURL *)url {
-  NSURLRequest *request = [self getRequestFromUrl:url];
+- (void)connectToRoom:(NSURL*)url {
+  NSURLRequest* request = [self getRequestFromUrl:url];
   [NSURLConnection connectionWithRequest:request delegate:self];
 }
 
-- (void)sendData:(NSData *)data {
+- (void)sendData:(NSData*)data {
   @synchronized(self) {
     [self maybeLogMessage:@"Send message"];
     [self.sendQueue addObject:[data copy]];
@@ -93,49 +81,53 @@
 
 #pragma mark - Internal methods
 
-- (NSString*)findVar:(NSString*)name
-     strippingQuotes:(BOOL)strippingQuotes {
+- (NSString*)findVar:(NSString*)name strippingQuotes:(BOOL)strippingQuotes {
   NSError* error;
   NSString* pattern =
       [NSString stringWithFormat:@".*\n *var %@ = ([^\n]*);\n.*", name];
-  NSRegularExpression *regexp =
+  NSRegularExpression* regexp =
       [NSRegularExpression regularExpressionWithPattern:pattern
                                                 options:0
                                                   error:&error];
-  NSAssert(!error, @"Unexpected error compiling regex: ",
+  NSAssert(!error,
+           @"Unexpected error compiling regex: ",
            error.localizedDescription);
 
   NSRange fullRange = NSMakeRange(0, [self.roomHtml length]);
-  NSArray *matches =
+  NSArray* matches =
       [regexp matchesInString:self.roomHtml options:0 range:fullRange];
   if ([matches count] != 1) {
     [self showMessage:[NSString stringWithFormat:@"%d matches for %@ in %@",
-                                [matches count], name, self.roomHtml]];
+                                                 [matches count],
+                                                 name,
+                                                 self.roomHtml]];
     return nil;
   }
   NSRange matchRange = [matches[0] rangeAtIndex:1];
   NSString* value = [self.roomHtml substringWithRange:matchRange];
   if (strippingQuotes) {
     NSAssert([value length] > 2,
-             @"Can't strip quotes from short string: [%@]", value);
+             @"Can't strip quotes from short string: [%@]",
+             value);
     NSAssert(([value characterAtIndex:0] == '\'' &&
               [value characterAtIndex:[value length] - 1] == '\''),
-             @"Can't strip quotes from unquoted string: [%@]", value);
+             @"Can't strip quotes from unquoted string: [%@]",
+             value);
     value = [value substringWithRange:NSMakeRange(1, [value length] - 2)];
   }
   return value;
 }
 
-- (NSURLRequest *)getRequestFromUrl:(NSURL *)url {
+- (NSURLRequest*)getRequestFromUrl:(NSURL*)url {
   self.roomHtml = [NSMutableString stringWithCapacity:20000];
-  NSString *path =
+  NSString* path =
       [NSString stringWithFormat:@"https:%@", [url resourceSpecifier]];
-  NSURLRequest *request =
+  NSURLRequest* request =
       [NSURLRequest requestWithURL:[NSURL URLWithString:path]];
   return request;
 }
 
-- (void)maybeLogMessage:(NSString *)message {
+- (void)maybeLogMessage:(NSString*)message {
   if (self.verboseLogging) {
     NSLog(@"%@", message);
   }
@@ -143,33 +135,33 @@
 
 - (void)requestQueueDrainInBackground {
   dispatch_async(self.backgroundQueue, ^(void) {
-    // TODO(hughv): This can block the UI thread.  Fix.
-    @synchronized(self) {
-      if ([self.postMessageUrl length] < 1) {
-        return;
+      // TODO(hughv): This can block the UI thread.  Fix.
+      @synchronized(self) {
+        if ([self.postMessageUrl length] < 1) {
+          return;
+        }
+        for (NSData* data in self.sendQueue) {
+          NSString* url =
+            [NSString stringWithFormat:@"%@/%@",
+                      self.baseURL, self.postMessageUrl];
+          [self sendData:data withUrl:url];
+        }
+        [self.sendQueue removeAllObjects];
       }
-      for (NSData *data in self.sendQueue) {
-        NSString *url = [NSString stringWithFormat:@"%@/%@",
-                         self.baseURL,
-                         self.postMessageUrl];
-        [self sendData:data withUrl:url];
-      }
-      [self.sendQueue removeAllObjects];
-    }
-  });
+    });
 }
 
-- (void)sendData:(NSData *)data withUrl:(NSString *)url {
-  NSMutableURLRequest *request =
+- (void)sendData:(NSData*)data withUrl:(NSString*)url {
+  NSMutableURLRequest* request =
       [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
   request.HTTPMethod = @"POST";
   [request setHTTPBody:data];
-  NSURLResponse *response;
-  NSError *error;
-  NSData *responseData = [NSURLConnection sendSynchronousRequest:request
+  NSURLResponse* response;
+  NSError* error;
+  NSData* responseData = [NSURLConnection sendSynchronousRequest:request
                                                returningResponse:&response
                                                            error:&error];
-  NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+  NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
   int status = [httpResponse statusCode];
   NSAssert(status == 200,
            @"Bad response [%d] to message: %@\n\n%@",
@@ -178,9 +170,9 @@
            [NSString stringWithUTF8String:[responseData bytes]]);
 }
 
-- (void)showMessage:(NSString *)message {
+- (void)showMessage:(NSString*)message {
   NSLog(@"%@", message);
-  UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Unable to join"
+  UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:@"Unable to join"
                                                       message:message
                                                      delegate:nil
                                             cancelButtonTitle:@"OK"
@@ -188,96 +180,97 @@
   [alertView show];
 }
 
-- (void)updateICEServers:(NSMutableArray *)ICEServers
-          withTurnServer:(NSString *)turnServerUrl {
+- (void)updateICEServers:(NSMutableArray*)ICEServers
+          withTurnServer:(NSString*)turnServerUrl {
   if ([turnServerUrl length] < 1) {
     [self.ICEServerDelegate onICEServers:ICEServers];
     return;
   }
   dispatch_async(self.backgroundQueue, ^(void) {
-    NSMutableURLRequest *request = [NSMutableURLRequest
-        requestWithURL:[NSURL URLWithString:turnServerUrl]];
-    [request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
-    [request addValue:@"https://apprtc.appspot.com"
-        forHTTPHeaderField:@"origin"];
-    NSURLResponse *response;
-    NSError *error;
-    NSData *responseData = [NSURLConnection sendSynchronousRequest:request
-                                                 returningResponse:&response
-                                                             error:&error];
-    if (!error) {
-      NSDictionary *json = [NSJSONSerialization JSONObjectWithData:responseData
-                                                           options:0
-                                                             error:&error];
-      NSAssert(!error, @"Unable to parse.  %@", error.localizedDescription);
-      NSString *username = json[@"username"];
-      NSString *password = json[@"password"];
-      NSArray* uris = json[@"uris"];
-      for (int i = 0; i < [uris count]; ++i) {
-        NSString *turnServer = [uris objectAtIndex:i];
-        RTCICEServer *ICEServer =
-          [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:turnServer]
-                                   username:username
-                                   password:password];
-        NSLog(@"Added ICE Server: %@", ICEServer);
-        [ICEServers addObject:ICEServer];
+      NSMutableURLRequest* request = [NSMutableURLRequest
+          requestWithURL:[NSURL URLWithString:turnServerUrl]];
+      [request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
+      [request addValue:@"https://apprtc.appspot.com"
+          forHTTPHeaderField:@"origin"];
+      NSURLResponse* response;
+      NSError* error;
+      NSData* responseData = [NSURLConnection sendSynchronousRequest:request
+                                                   returningResponse:&response
+                                                               error:&error];
+      if (!error) {
+        NSDictionary* json =
+            [NSJSONSerialization JSONObjectWithData:responseData
+                                            options:0
+                                              error:&error];
+        NSAssert(!error, @"Unable to parse.  %@", error.localizedDescription);
+        NSString* username = json[@"username"];
+        NSString* password = json[@"password"];
+        NSArray* uris = json[@"uris"];
+        for (int i = 0; i < [uris count]; ++i) {
+          NSString* turnServer = [uris objectAtIndex:i];
+          RTCICEServer* ICEServer =
+              [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:turnServer]
+                                       username:username
+                                       password:password];
+          NSLog(@"Added ICE Server: %@", ICEServer);
+          [ICEServers addObject:ICEServer];
+        }
+      } else {
+        NSLog(@"Unable to get TURN server.  Error: %@", error.description);
       }
-    } else {
-      NSLog(@"Unable to get TURN server.  Error: %@", error.description);
-    }
 
-    dispatch_async(dispatch_get_main_queue(), ^(void) {
-      [self.ICEServerDelegate onICEServers:ICEServers];
-    });
+      dispatch_async(dispatch_get_main_queue(), ^(void) {
+          [self.ICEServerDelegate onICEServers:ICEServers];
+      });
   });
 }
 
 #pragma mark - NSURLConnectionDataDelegate methods
 
-- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
-  NSString *roomHtml = [NSString stringWithUTF8String:[data bytes]];
-  [self maybeLogMessage:
-          [NSString stringWithFormat:@"Received %d chars", [roomHtml length]]];
+- (void)connection:(NSURLConnection*)connection didReceiveData:(NSData*)data {
+  NSString* roomHtml = [NSString stringWithUTF8String:[data bytes]];
+  [self maybeLogMessage:[NSString stringWithFormat:@"Received %d chars",
+                                                   [roomHtml length]]];
   [self.roomHtml appendString:roomHtml];
 }
 
-- (void)connection:(NSURLConnection *)connection
-    didReceiveResponse:(NSURLResponse *)response {
-  NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+- (void)connection:(NSURLConnection*)connection
+    didReceiveResponse:(NSURLResponse*)response {
+  NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
   int statusCode = [httpResponse statusCode];
-  [self maybeLogMessage:
+  [self
+      maybeLogMessage:
           [NSString stringWithFormat:
-                  @"Response received\nURL\n%@\nStatus [%d]\nHeaders\n%@",
-              [httpResponse URL],
-              statusCode,
-              [httpResponse allHeaderFields]]];
+                        @"Response received\nURL\n%@\nStatus [%d]\nHeaders\n%@",
+                        [httpResponse URL],
+                        statusCode,
+                        [httpResponse allHeaderFields]]];
   NSAssert(statusCode == 200, @"Invalid response  of %d received.", statusCode);
 }
 
-- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
+- (void)connectionDidFinishLoading:(NSURLConnection*)connection {
   [self maybeLogMessage:[NSString stringWithFormat:@"finished loading %d chars",
-                         [self.roomHtml length]]];
+                                                   [self.roomHtml length]]];
   NSRegularExpression* fullRegex =
-    [NSRegularExpression regularExpressionWithPattern:@"room is full"
-                                              options:0
-                                                error:nil];
+      [NSRegularExpression regularExpressionWithPattern:@"room is full"
+                                                options:0
+                                                  error:nil];
   if ([fullRegex
           numberOfMatchesInString:self.roomHtml
                           options:0
                             range:NSMakeRange(0, [self.roomHtml length])]) {
     [self showMessage:@"Room full"];
-    APPRTCAppDelegate *ad =
-      (APPRTCAppDelegate *)[[UIApplication sharedApplication] delegate];
+    APPRTCAppDelegate* ad =
+        (APPRTCAppDelegate*)[[UIApplication sharedApplication] delegate];
     [ad closeVideoUI];
     return;
   }
 
-
-  NSString *fullUrl = [[[connection originalRequest] URL] absoluteString];
+  NSString* fullUrl = [[[connection originalRequest] URL] absoluteString];
   NSRange queryRange = [fullUrl rangeOfString:@"?"];
   self.baseURL = [fullUrl substringToIndex:queryRange.location];
-  [self maybeLogMessage:
-      [NSString stringWithFormat:@"Base URL: %@", self.baseURL]];
+  [self maybeLogMessage:[NSString
+                            stringWithFormat:@"Base URL: %@", self.baseURL]];
 
   self.initiator = [[self findVar:@"initiator" strippingQuotes:NO] boolValue];
   self.token = [self findVar:@"channelToken" strippingQuotes:YES];
@@ -290,45 +283,45 @@
   if (!roomKey || !me)
     return;
   self.postMessageUrl =
-    [NSString stringWithFormat:@"/message?r=%@&u=%@", roomKey, me];
+      [NSString stringWithFormat:@"/message?r=%@&u=%@", roomKey, me];
   [self maybeLogMessage:[NSString stringWithFormat:@"POST message URL: %@",
-                                  self.postMessageUrl]];
+                                                   self.postMessageUrl]];
 
   NSString* pcConfig = [self findVar:@"pcConfig" strippingQuotes:NO];
   if (!pcConfig)
     return;
-  [self maybeLogMessage:
-          [NSString stringWithFormat:@"PC Config JSON: %@", pcConfig]];
+  [self maybeLogMessage:[NSString
+                            stringWithFormat:@"PC Config JSON: %@", pcConfig]];
 
-  NSString *turnServerUrl = [self findVar:@"turnUrl" strippingQuotes:YES];
+  NSString* turnServerUrl = [self findVar:@"turnUrl" strippingQuotes:YES];
   if (turnServerUrl) {
-    [self maybeLogMessage:
-            [NSString stringWithFormat:@"TURN server request URL: %@",
-                turnServerUrl]];
+    [self maybeLogMessage:[NSString
+                              stringWithFormat:@"TURN server request URL: %@",
+                                               turnServerUrl]];
   }
 
-  NSError *error;
-  NSData *pcData = [pcConfig dataUsingEncoding:NSUTF8StringEncoding];
-  NSDictionary *json =
+  NSError* error;
+  NSData* pcData = [pcConfig dataUsingEncoding:NSUTF8StringEncoding];
+  NSDictionary* json =
       [NSJSONSerialization JSONObjectWithData:pcData options:0 error:&error];
   NSAssert(!error, @"Unable to parse.  %@", error.localizedDescription);
-  NSArray *servers = [json objectForKey:@"iceServers"];
-  NSMutableArray *ICEServers = [NSMutableArray array];
-  for (NSDictionary *server in servers) {
-    NSString *url = [server objectForKey:@"urls"];
-    NSString *username = json[@"username"];
-    NSString *credential = [server objectForKey:@"credential"];
+  NSArray* servers = [json objectForKey:@"iceServers"];
+  NSMutableArray* ICEServers = [NSMutableArray array];
+  for (NSDictionary* server in servers) {
+    NSString* url = [server objectForKey:@"urls"];
+    NSString* username = json[@"username"];
+    NSString* credential = [server objectForKey:@"credential"];
     if (!username) {
       username = @"";
     }
     if (!credential) {
       credential = @"";
     }
-    [self maybeLogMessage:
-            [NSString stringWithFormat:@"url [%@] - credential [%@]",
-                url,
-                credential]];
-    RTCICEServer *ICEServer =
+    [self maybeLogMessage:[NSString
+                              stringWithFormat:@"url [%@] - credential [%@]",
+                                               url,
+                                               credential]];
+    RTCICEServer* ICEServer =
         [[RTCICEServer alloc] initWithURI:[NSURL URLWithString:url]
                                  username:username
                                  password:credential];
@@ -340,18 +333,19 @@
   NSString* mc = [self findVar:@"mediaConstraints" strippingQuotes:NO];
   if (mc) {
     error = nil;
-    NSData *mcData = [mc dataUsingEncoding:NSUTF8StringEncoding];
+    NSData* mcData = [mc dataUsingEncoding:NSUTF8StringEncoding];
     json =
-      [NSJSONSerialization JSONObjectWithData:mcData options:0 error:&error];
+        [NSJSONSerialization JSONObjectWithData:mcData options:0 error:&error];
     NSAssert(!error, @"Unable to parse.  %@", error.localizedDescription);
     if ([[json objectForKey:@"video"] boolValue]) {
-      self.videoConstraints = [[RTCMediaConstraints alloc] init];
+      _videoConstraints = [[RTCMediaConstraints alloc] init];
     }
   }
 
-  [self maybeLogMessage:
-          [NSString stringWithFormat:@"About to open GAE with token:  %@",
-              self.token]];
+  [self
+      maybeLogMessage:[NSString
+                          stringWithFormat:@"About to open GAE with token:  %@",
+                                           self.token]];
   self.gaeChannel =
       [[GAEChannelClient alloc] initWithToken:self.token
                                      delegate:self.messageHandler];