File: touch_selection_controller_client_manager_android.h

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// 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 CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_MANAGER_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_MANAGER_ANDROID_H_

#include "base/macros.h"
#include "base/observer_list.h"
#include "content/public/browser/touch_selection_controller_client_manager.h"
#include "ui/touch_selection/touch_selection_controller.h"

namespace content {

class RenderWidgetHostViewAndroid;

class TouchSelectionControllerClientManagerAndroid
    : public TouchSelectionControllerClientManager,
      public ui::TouchSelectionControllerClient {
 public:
  explicit TouchSelectionControllerClientManagerAndroid(
      RenderWidgetHostViewAndroid* rwhv);
  ~TouchSelectionControllerClientManagerAndroid() override;
  void SetPageScaleFactor(float page_scale_factor);
  float page_scale_factor() { return page_scale_factor_; }

  // TouchSelectionControllerClientManager implementation.
  void DidStopFlinging() override;
  void UpdateClientSelectionBounds(
      const gfx::SelectionBound& start,
      const gfx::SelectionBound& end,
      ui::TouchSelectionControllerClient* client,
      ui::TouchSelectionMenuClient* menu_client) override;
  void InvalidateClient(ui::TouchSelectionControllerClient* client) override;
  ui::TouchSelectionController* GetTouchSelectionController() override;

  void AddObserver(Observer* observer) override;
  void RemoveObserver(Observer* observer) override;

  // TouchSelectionControllerClient implementation.
  bool SupportsAnimation() const override;
  void SetNeedsAnimate() override;
  void MoveCaret(const gfx::PointF& position) override;
  void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
  void SelectBetweenCoordinates(const gfx::PointF& base,
                                const gfx::PointF& extent) override;
  void OnSelectionEvent(ui::SelectionEventType event) override;
  void OnDragUpdate(const gfx::PointF& position) override;
  std::unique_ptr<ui::TouchHandleDrawable> CreateDrawable() override;
  void DidScroll() override;

 private:
  RenderWidgetHostViewAndroid* rwhv_;
  TouchSelectionControllerClient* active_client_;
  float page_scale_factor_;
  gfx::SelectionBound manager_selection_start_;
  gfx::SelectionBound manager_selection_end_;
  base::ObserverList<TouchSelectionControllerClientManager::Observer>::Unchecked
      observers_;

  DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerClientManagerAndroid);
};

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_SELECTION_CONTROLLER_CLIENT_MANAGER_ANDROID_H_