ash/wm/ash_native_cursor_manager.h

   1 // Copyright (c) 2012 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 ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_
   6 #define ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/basictypes.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/strings/string16.h"
  13 #include "ui/gfx/geometry/point.h"
  14 #include "ui/gfx/native_widget_types.h"
  15 #include "ui/wm/core/native_cursor_manager.h"
  16 #include "ui/wm/core/native_cursor_manager_delegate.h"
  17
  18 namespace ui {
  19 class ImageCursors;
  20 }
  21
  22 namespace ash {
  23
  24 namespace test {
  25 class CursorManagerTestApi;
  26 }
  27
  28 // This does the ash-specific setting of cursor details like cursor
  29 // visibility. It communicates back with the CursorManager through the
  30 // NativeCursorManagerDelegate interface, which receives messages about what
  31 // changes were acted on.
  32 class ASH_EXPORT AshNativeCursorManager
  33     : public ::wm::NativeCursorManager {
  34  public:
  35   AshNativeCursorManager();
  36   ~AshNativeCursorManager() override;
  37
  38   // Toggle native cursor enabled/disabled.
  39   // The native cursor is enabled by default. When disabled, we hide the native
  40   // cursor regardless of visibility state, and let CursorWindowManager draw
  41   // the cursor.
  42   void SetNativeCursorEnabled(bool enabled);
  43
  44  private:
  45   friend class test::CursorManagerTestApi;
  46
  47   // Overridden from ::wm::NativeCursorManager:
  48   void SetDisplay(const gfx::Display& display,
  49                   ::wm::NativeCursorManagerDelegate* delegate) override;
  50   void SetCursor(gfx::NativeCursor cursor,
  51                  ::wm::NativeCursorManagerDelegate* delegate) override;
  52   void SetVisibility(bool visible,
  53                      ::wm::NativeCursorManagerDelegate* delegate) override;
  54   void SetCursorSet(ui::CursorSetType cursor_set,
  55                     ::wm::NativeCursorManagerDelegate* delegate) override;
  56   void SetMouseEventsEnabled(
  57       bool enabled,
  58       ::wm::NativeCursorManagerDelegate* delegate) override;
  59
  60   // The cursor location where the cursor was disabled.
  61   gfx::Point disabled_cursor_location_;
  62
  63   bool native_cursor_enabled_;
  64
  65   scoped_ptr<ui::ImageCursors> image_cursors_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(AshNativeCursorManager);
  68 };
  69
  70 }  // namespace ash
  71
  72 #endif  // ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_