[CRD iOS] Move UI stuff into a subdirectory

remoting/client/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_GESTURE_INTERPRETER_H_
-#define REMOTING_CLIENT_GESTURE_INTERPRETER_H_
-
-#include <memory>
-
-#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 {
-
-class InputStrategy;
-
-// 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 };
-
-  GestureInterpreter(
-      const DesktopViewport::TransformationCallback& on_transformation_changed,
-      ChromotingSession* input_stub);
-  ~GestureInterpreter();
-
-  // Coordinates of the OpenGL view surface will be used.
-
-  // This can happen in conjunction with Pan().
-  void Pinch(float pivot_x, float pivot_y, float scale);
-
-  // Called whenever the user did a pan gesture. It can be one-finger pan, no
-  // matter long-press in on or not, or two-finger pan in conjunction with the
-  // pinch gesture. Two-finger pan without pinch 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 LongPress() when long-press is in
-  // progress.
-  void LongPress(float x, float y, GestureState state);
-
-  // Called when the user has just done a one-finger pan (no long-press or
-  // pinching) and the pan gesture still has some final velocity.
-  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);
-
-  std::unique_ptr<InputStrategy> input_strategy_;
-  DesktopViewport viewport_;
-  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;
-};
-
-}  // namespace remoting
-#endif  // REMOTING_CLIENT_GESTURE_INTERPRETER_H_