[CRD iOS] Trackpad Input Mode

remoting/client/ui/direct_input_strategy.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_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_
 #define REMOTING_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_
 
 #include "remoting/client/ui/input_strategy.h"
 
 namespace remoting {
 
 // This strategy directly translates all operations on the OpenGL view into
 // corresponding operations on the desktop. It doesn't maintain the cursor
 // positions separately -- the positions come from the location of the touch.
 class DirectInputStrategy : public InputStrategy {
  public:
   DirectInputStrategy();
   ~DirectInputStrategy() override;
 
   // InputStrategy overrides.
 
-  void HandlePinch(const ViewMatrix::Point& pivot,
-                   float scale,
-                   DesktopViewport* viewport) override;
+  void HandleZoom(const ViewMatrix::Point& pivot,
+                  float scale,
+                  DesktopViewport* viewport) override;
 
-  void HandlePan(const ViewMatrix::Vector2D& translation,
-                 bool is_dragging_mode,
+  bool HandlePan(const ViewMatrix::Vector2D& translation,
+                 Gesture simultaneous_gesture,
                  DesktopViewport* viewport) override;
 
   void TrackTouchInput(const ViewMatrix::Point& touch_point,
                        const DesktopViewport& viewport) override;
 
   ViewMatrix::Point GetCursorPosition() const override;
 
   ViewMatrix::Vector2D MapScreenVectorToDesktop(
       const ViewMatrix::Vector2D& delta,
       const DesktopViewport& viewport) const override;
 
   float GetFeedbackRadius(InputFeedbackType type) const override;
 
   bool IsCursorVisible() const override;
 
  private:
   ViewMatrix::Point cursor_position_{0.f, 0.f};
 
   // TouchInputStrategy is neither copyable nor movable.
   DirectInputStrategy(const DirectInputStrategy&) = delete;
   DirectInputStrategy& operator=(const DirectInputStrategy&) = delete;
 };
 
 }  // namespace remoting
 #endif  // REMOTING_CLIENT_UI_DIRECT_INPUT_STRATEGY_H_