xref: /external/chromium_org/third_party/libjingle/source/talk/examples/objc/AppRTCDemo/GAEChannelClient.h

/*
 * 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 <Foundation/Foundation.h>

// These methods will be called by the AppEngine chanel.  The documentation
// for these methods is found here.  (Yes, it is a JS API.)
// https://developers.google.com/appengine/docs/java/channel/javascript
@protocol GAEMessageHandler<NSObject>

- (void)onOpen;
- (void)onMessage:(NSDictionary*)data;
- (void)onClose;
- (void)onError:(int)code withDescription:(NSString*)description;

@end

// Initialize with a token for an AppRTC data channel.  This will load
// ios_channel.html and use the token to establish a data channel between the
// application and AppEngine.
@interface GAEChannelClient : NSObject

@property(nonatomic, weak) id<GAEMessageHandler> delegate;

- (instancetype)initWithToken:(NSString*)token
                     delegate:(id<GAEMessageHandler>)delegate;

@end