Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/ios/AppRTCDemo/GAEChannelClient.m b/talk/examples/ios/AppRTCDemo/GAEChannelClient.m
new file mode 100644
index 0000000..9126f67
--- /dev/null
+++ b/talk/examples/ios/AppRTCDemo/GAEChannelClient.m
@@ -0,0 +1,104 @@
+/*
+ * libjingle
+ * Copyright 2013, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GAEChannelClient.h"
+
+#import "RTCPeerConnectionFactory.h"
+
+@interface GAEChannelClient ()
+
+@property(nonatomic, assign) id<GAEMessageHandler> delegate;
+@property(nonatomic, strong) UIWebView *webView;
+
+@end
+
+@implementation GAEChannelClient
+
+- (id)initWithToken:(NSString *)token delegate:(id<GAEMessageHandler>)delegate {
+  self = [super init];
+  if (self) {
+    _webView = [[UIWebView alloc] init];
+    _webView.delegate = self;
+    _delegate = delegate;
+    NSString *htmlPath =
+        [[NSBundle mainBundle] pathForResource:@"ios_channel" ofType:@"html"];
+    NSURL *htmlUrl = [NSURL fileURLWithPath:htmlPath];
+    NSString *path = [NSString stringWithFormat:@"%@?token=%@",
+                      [htmlUrl absoluteString],
+                      token];
+
+    [_webView
+        loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:path]]];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  _webView.delegate = nil;
+  [_webView stopLoading];
+}
+
+#pragma mark - UIWebViewDelegate method
+
+- (BOOL)webView:(UIWebView *)webView
+    shouldStartLoadWithRequest:(NSURLRequest *)request
+                navigationType:(UIWebViewNavigationType)navigationType {
+  NSString *scheme = [request.URL scheme];
+  if ([scheme compare:@"js-frame"] != NSOrderedSame) {
+    return YES;
+  }
+  NSString *resourceSpecifier = [request.URL resourceSpecifier];
+  NSRange range = [resourceSpecifier rangeOfString:@":"];
+  NSString *method;
+  NSString *message;
+  if (range.length == 0 && range.location == NSNotFound) {
+    method = resourceSpecifier;
+  } else {
+    method = [resourceSpecifier substringToIndex:range.location];
+    message = [resourceSpecifier substringFromIndex:range.location + 1];
+  }
+  dispatch_async(dispatch_get_main_queue(), ^(void) {
+    if ([method compare:@"onopen"] == NSOrderedSame) {
+      [self.delegate onOpen];
+    } else if ([method compare:@"onmessage"] == NSOrderedSame) {
+      [self.delegate onMessage:message];
+    } else if ([method compare:@"onclose"] == NSOrderedSame) {
+      [self.delegate onClose];
+    } else if ([method compare:@"onerror"] == NSOrderedSame) {
+      // TODO(hughv): Get error.
+      int code = -1;
+      NSString *description = message;
+      [self.delegate onError:code withDescription:description];
+    } else {
+      NSAssert(NO, @"Invalid message sent from UIWebView: %@",
+               resourceSpecifier);
+    }
+  });
+  return YES;
+}
+
+@end