ui/ozone/platform/dri/dri_cursor.h

// Copyright 2014 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 UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_
#define UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_

#include "base/memory/ref_counted.h"
#include "ui/base/cursor/cursor.h"
#include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"

namespace gfx {
class PointF;
class Vector2dF;
class Rect;
}

namespace ui {

class BitmapCursorOzone;
class BitmapCursorFactoryOzone;
class DriGpuPlatformSupportHost;
class DriWindowManager;

class DriCursor : public CursorDelegateEvdev {
 public:
  explicit DriCursor(DriWindowManager* window_manager,
                     DriGpuPlatformSupportHost* sender);
  ~DriCursor() override;

  // Set's platform_cursor for widget. SetCursor is not responsible for showing
  // the cursor. ShowCursor needs  to be explicitly called to make the cursor
  // visible.
  void SetCursor(gfx::AcceleratedWidget widget, PlatformCursor platform_cursor);
  void ShowCursor();
  void HideCursor();
  gfx::AcceleratedWidget GetCursorWindow();

  // CursorDelegateEvdev:
  void MoveCursorTo(gfx::AcceleratedWidget widget,
                    const gfx::PointF& location) override;
  void MoveCursorTo(const gfx::PointF& location) override;
  void MoveCursor(const gfx::Vector2dF& delta) override;
  bool IsCursorVisible() override;
  gfx::PointF GetLocation() override;
  gfx::Rect GetCursorDisplayBounds() override;

 private:
  // The location of the bitmap (the cursor location is the hotspot location).
  gfx::Point bitmap_location();

  DriWindowManager* window_manager_;   // Not owned.
  DriGpuPlatformSupportHost* sender_;  // Not owned.

  // The current cursor bitmap.
  scoped_refptr<BitmapCursorOzone> cursor_;

  // The window under the cursor.
  gfx::AcceleratedWidget cursor_window_;

  // The location of the cursor within the window.
  gfx::PointF cursor_location_;

  // The bounsd of the display under the cursor.
  gfx::Rect cursor_display_bounds_;
};

}  // namespace ui

#endif  // UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_