chromium/ui/touch_selection/touch_handle.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_TOUCH_SELECTION_TOUCH_HANDLE_H_
#define UI_TOUCH_SELECTION_TOUCH_HANDLE_H_

#include <memory>

#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "ui/events/velocity_tracker/motion_event.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/vector2d_f.h"
#include "ui/touch_selection/touch_handle_orientation.h"
#include "ui/touch_selection/touch_selection_draggable.h"
#include "ui/touch_selection/ui_touch_selection_export.h"

namespace ui {

class TouchHandle;

// Interface through which |TouchHandle| delegates rendering-specific duties.
class UI_TOUCH_SELECTION_EXPORT TouchHandleDrawable { … };

// Interface through which |TouchHandle| communicates handle manipulation and
// requests concrete drawable instances.
class UI_TOUCH_SELECTION_EXPORT TouchHandleClient
    : public TouchSelectionDraggableClient { … };

// Responsible for displaying a selection or insertion handle for text
// interaction.
class UI_TOUCH_SELECTION_EXPORT TouchHandle : public TouchSelectionDraggable { … };

}  // namespace ui

#endif  // UI_TOUCH_SELECTION_TOUCH_HANDLE_H_