[CRD iOS] Viewport fling animation

remoting/ios/display/gl_display_handler.h

 // Copyright 2017 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_DISPLAY_GL_DISPLAY_HANDLER_H_
 #define REMOTING_IOS_DISPLAY_GL_DISPLAY_HANDLER_H_
 
 #import <Foundation/Foundation.h>
 #import <GLKit/GLKit.h>
 
@@ skipping 15 matching lines @@
 }  // namespace remoting
 
 // This protocol is for receiving notifications from the renderer when its state
 // changes. Implementations can use this to reposition viewport, process
 // animations, etc.
 @protocol GlDisplayHandlerDelegate<NSObject>
 
 // Notifies the delegate that the size of the desktop image has changed.
 - (void)canvasSizeChanged:(CGSize)size;
 
+- (void)rendererTicked;
+
 @end
 
 @interface GlDisplayHandler : NSObject {
 }
 
 - (void)stop;
 
 // Called once the GLKView created.
 - (void)onSurfaceCreated:(GLKView*)view;
 
 // Called every time the GLKView dimension is initialized or changed.
 - (void)onSurfaceChanged:(const CGRect&)frame;
 
 - (void)onPixelTransformationChanged:(const remoting::ViewMatrix&)matrix;
 
 - (std::unique_ptr<remoting::protocol::VideoRenderer>)CreateVideoRenderer;
 - (std::unique_ptr<remoting::protocol::CursorShapeStub>)CreateCursorShapeStub;
 
 - (EAGLContext*)GetEAGLContext;
 
 // This is write-only but @property doesn't support write-only modifier.
 @property id<GlDisplayHandlerDelegate> delegate;
 - (id<GlDisplayHandlerDelegate>)delegate UNAVAILABLE_ATTRIBUTE;
 
 @end
 
 #endif  // REMOTING_IOS_DISPLAY_GL_DISPLAY_HANDLER_H_