Moving input related classes to the input folder.

remoting/client/ui/gesture_interpreter.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_GESTURE_INTERPRETER_H_
-#define REMOTING_CLIENT_UI_GESTURE_INTERPRETER_H_
-
-#include <memory>
-
-#include "remoting/client/ui/desktop_viewport.h"
-#include "remoting/client/ui/fling_animation.h"
-#include "remoting/client/ui/input_strategy.h"
-#include "remoting/proto/event.pb.h"
-
-namespace remoting {
-
-class ChromotingSession;
-class RendererProxy;
-
-// This is a class for interpreting a raw touch input into actions like moving
-// the viewport and injecting mouse clicks.
-class GestureInterpreter {
- public:
-  enum GestureState { GESTURE_BEGAN, GESTURE_CHANGED, GESTURE_ENDED };
-
-  enum InputMode {
-    UNDEFINED_INPUT_MODE,
-    DIRECT_INPUT_MODE,
-    TRACKPAD_INPUT_MODE
-  };
-
-  GestureInterpreter(RendererProxy* renderer, ChromotingSession* input_stub);
-  ~GestureInterpreter();
-
-  // Must be called right after the renderer is ready.
-  void SetInputMode(InputMode mode);
-
-  // Returns the current input mode.
-  InputMode GetInputMode() const;
-
-  // Coordinates of the OpenGL view surface will be used.
-
-  // Called during a two-finger pinching gesture. This can happen in conjunction
-  // with Pan().
-  void Zoom(float pivot_x, float pivot_y, float scale, GestureState state);
-
-  // Called whenever the user did a pan gesture. It can be one-finger pan, no
-  // matter dragging in on or not, or two-finger pan in conjunction with zoom.
-  // Two-finger pan without zoom is consider a scroll gesture.
-  void Pan(float translation_x, float translation_y);
-
-  // Called when the user did a one-finger tap.
-  void Tap(float x, float y);
-
-  void TwoFingerTap(float x, float y);
-
-  // Caller is expected to call both Pan() and Drag() when dragging is in
-  // progress.
-  void Drag(float x, float y, GestureState state);
-
-  // Called when the user has just done a one-finger pan (no dragging or
-  // zooming) and the pan gesture still has some final velocity.
-  void OneFingerFling(float velocity_x, float velocity_y);
-
-  // Called during a two-finger scroll (panning without zooming) gesture.
-  void Scroll(float x, float y, float dx, float dy);
-
-  // Called when the user has just done a scroll gesture and the scroll gesture
-  // still has some final velocity.
-  void ScrollWithVelocity(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 ScrollWithoutAbortAnimations(float dx, float dy);
-
-  void AbortAnimations();
-
-  void InjectMouseClick(float x,
-                        float y,
-                        protocol::MouseEvent_MouseButton button);
-
-  void InjectCursorPosition(float x, float y);
-
-  void SetGestureInProgress(InputStrategy::Gesture gesture,
-                            bool is_in_progress);
-
-  // Tracks the touch point and gets back the cursor position from the input
-  // strategy.
-  ViewMatrix::Point TrackAndGetPosition(float touch_x, float touch_y);
-
-  // Starts the given feedback at (cursor_x, cursor_y) if the feedback radius
-  // is non-zero.
-  void StartInputFeedback(float cursor_x,
-                          float cursor_y,
-                          InputStrategy::InputFeedbackType feedback_type);
-
-  InputMode input_mode_ = UNDEFINED_INPUT_MODE;
-  std::unique_ptr<InputStrategy> input_strategy_;
-  DesktopViewport viewport_;
-  RendererProxy* renderer_;
-  ChromotingSession* input_stub_;
-  InputStrategy::Gesture gesture_in_progress_;
-
-  FlingAnimation pan_animation_;
-  FlingAnimation scroll_animation_;
-
-  // GestureInterpreter is neither copyable nor movable.
-  GestureInterpreter(const GestureInterpreter&) = delete;
-  GestureInterpreter& operator=(const GestureInterpreter&) = delete;
-};
-
-}  // namespace remoting
-#endif  // REMOTING_CLIENT_UI_GESTURE_INTERPRETER_H_