[CRD iOS] Viewport fling animation

remoting/client/gesture_interpreter.h

Index: remoting/client/gesture_interpreter.h
diff --git a/remoting/client/gesture_interpreter.h b/remoting/client/gesture_interpreter.h
index 9ad968fff2353ef1e62c8ded65b05eee744deff2..23defba1c022ed597e31041b33ce368367333d47 100644
--- a/remoting/client/gesture_interpreter.h
+++ b/remoting/client/gesture_interpreter.h
@@ -9,6 +9,7 @@
 
 #include "remoting/client/chromoting_session.h"
 #include "remoting/client/desktop_viewport.h"
+#include "remoting/client/fling_animation.h"
 #include "remoting/proto/event.pb.h"
 
 namespace remoting {
@@ -36,10 +37,19 @@ class GestureInterpreter {
   // progress.
   void LongPress(float x, float y, GestureState state);
 
+  void OneFingerFling(float velocity_x, float velocity_y);
+
+  // Called to process one animation frame.
+  void ProcessAnimations();
+
   void OnSurfaceSizeChanged(int width, int height);
   void OnDesktopSizeChanged(int width, int height);
 
  private:
+  void PanWithoutAbortAnimations(float translation_x, float translation_y);
+
+  void AbortAnimations();
+
   void InjectMouseClick(float x,
                         float y,
                         protocol::MouseEvent_MouseButton button);
@@ -49,6 +59,8 @@ class GestureInterpreter {
   ChromotingSession* input_stub_;
   bool is_dragging_mode_ = false;
 
+  FlingAnimation pan_animation_;
+
   // GestureInterpreter is neither copyable nor movable.
   GestureInterpreter(const GestureInterpreter&) = delete;
   GestureInterpreter& operator=(const GestureInterpreter&) = delete;