text: // Copyright 2014 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef REMOTING_IOS_BRIDGE_HOST_PROXY_DELEGATE_H_
  #define REMOTING_IOS_BRIDGE_HOST_PROXY_DELEGATE_H_
  
  #import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  
  #include <vector>
  
  #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  
  // Contract to provide for callbacks from the common Chromoting protocol to the
  // UI Application.
  @protocol ClientProxyDelegate<NSObject>
  
  // HOST request for client to input their PIN.
  - (void)requestHostPin:(BOOL)pairingSupported;
  
  // HOST notification that a connection has been successfully opened.
  - (void)connected;
  
  // HOST notification for a change in connections status.
  - (void)connectionStatus:(NSString*)statusMessage;
  
  // HOST notification that a connection has failed.
  - (void)connectionFailed:(NSString*)errorMessage;
  
  // A new Canvas (desktop) update has arrived.
  - (void)applyFrame:(const webrtc::DesktopSize&)size
              stride:(NSInteger)stride
                data:(uint8_t*)data
             regions:(const std::vector<webrtc::DesktopRect>&)regions;
  
  // A new Cursor (mouse) update has arrived.
  - (void)applyCursor:(const webrtc::DesktopSize&)size
              hotspot:(const webrtc::DesktopVector&)hotspot
           cursorData:(uint8_t*)data;
  @end
  
  #endif  // REMOTING_IOS_BRIDGE_HOST_PROXY_DELEGATE_H_