ui/ozone/platform/dri/dri_cursor.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_
   6 #define UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "ui/base/cursor/cursor.h"
  10 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
  11 #include "ui/gfx/native_widget_types.h"
  12
  13 namespace gfx {
  14 class PointF;
  15 class Vector2dF;
  16 class Rect;
  17 }
  18
  19 namespace ui {
  20
  21 class BitmapCursorOzone;
  22 class BitmapCursorFactoryOzone;
  23 class DriWindowManager;
  24 class HardwareCursorDelegate;
  25
  26 class DriCursor : public CursorDelegateEvdev {
  27  public:
  28   explicit DriCursor(HardwareCursorDelegate* hardware,
  29                      DriWindowManager* window_manager);
  30   ~DriCursor() override;
  31
  32   // Set's platform_cursor for widget. SetCursor is not responsible for showing
  33   // the cursor. ShowCursor needs  to be explicitly called to make the cursor
  34   // visible.
  35   void SetCursor(gfx::AcceleratedWidget widget, PlatformCursor platform_cursor);
  36   void ShowCursor();
  37   void HideCursor();
  38   gfx::AcceleratedWidget GetCursorWindow();
  39
  40   // CursorDelegateEvdev:
  41   void MoveCursorTo(gfx::AcceleratedWidget widget,
  42                     const gfx::PointF& location) override;
  43   void MoveCursorTo(const gfx::PointF& location) override;
  44   void MoveCursor(const gfx::Vector2dF& delta) override;
  45   bool IsCursorVisible() override;
  46   gfx::PointF location() override;
  47   gfx::Rect GetCursorDisplayBounds() override;
  48
  49  private:
  50   // The location of the bitmap (the cursor location is the hotspot location).
  51   gfx::Point bitmap_location();
  52
  53   // The DRI implementation for setting the hardware cursor.
  54   HardwareCursorDelegate* hardware_;
  55
  56   DriWindowManager* window_manager_;  // Not owned.
  57
  58   // The current cursor bitmap.
  59   scoped_refptr<BitmapCursorOzone> cursor_;
  60
  61   // The window under the cursor.
  62   gfx::AcceleratedWidget cursor_window_;
  63
  64   // The location of the cursor within the window.
  65   gfx::PointF cursor_location_;
  66 };
  67
  68 }  // namespace ui
  69
  70 #endif  // UI_OZONE_PLATFORM_DRI_DRI_CURSOR_H_