1 // Copyright (c) 2013 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.
5 #ifndef UI_VIEWS_COREWM_CURSOR_MANAGER_H_
6 #define UI_VIEWS_COREWM_CURSOR_MANAGER_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "base/observer_list.h"
12 #include "ui/aura/client/cursor_client.h"
13 #include "ui/base/cursor/cursor.h"
14 #include "ui/gfx/native_widget_types.h"
15 #include "ui/gfx/point.h"
16 #include "ui/views/corewm/native_cursor_manager_delegate.h"
17 #include "ui/views/views_export.h"
30 class NativeCursorManager;
32 // This class receives requests to change cursor properties, as well as
33 // requests to queue any further changes until a later time. It sends changes
34 // to the NativeCursorManager, which communicates back to us when these changes
35 // were made through the NativeCursorManagerDelegate interface.
36 class VIEWS_EXPORT CursorManager : public aura::client::CursorClient,
37 public NativeCursorManagerDelegate {
39 CursorManager(scoped_ptr<NativeCursorManager> delegate);
40 virtual ~CursorManager();
42 // Overridden from aura::client::CursorClient:
43 virtual void SetCursor(gfx::NativeCursor) OVERRIDE;
44 virtual void ShowCursor() OVERRIDE;
45 virtual void HideCursor() OVERRIDE;
46 virtual bool IsCursorVisible() const OVERRIDE;
47 virtual void SetScale(float scale) OVERRIDE;
48 virtual float GetCurrentScale() const OVERRIDE;
49 virtual void SetCursorSet(ui::CursorSetType cursor_set) OVERRIDE;
50 virtual ui::CursorSetType GetCurrentCursorSet() const OVERRIDE;
51 virtual void EnableMouseEvents() OVERRIDE;
52 virtual void DisableMouseEvents() OVERRIDE;
53 virtual bool IsMouseEventsEnabled() const OVERRIDE;
54 virtual void SetDisplay(const gfx::Display& display) OVERRIDE;
55 virtual void LockCursor() OVERRIDE;
56 virtual void UnlockCursor() OVERRIDE;
57 virtual bool IsCursorLocked() const OVERRIDE;
58 virtual void AddObserver(
59 aura::client::CursorClientObserver* observer) OVERRIDE;
60 virtual void RemoveObserver(
61 aura::client::CursorClientObserver* observer) OVERRIDE;
64 // Overridden from NativeCursorManagerDelegate:
65 virtual gfx::NativeCursor GetCurrentCursor() const OVERRIDE;
66 virtual bool GetCurrentVisibility() const OVERRIDE;
67 virtual bool GetMouseEventsEnabled() const OVERRIDE;
68 virtual void CommitCursor(gfx::NativeCursor cursor) OVERRIDE;
69 virtual void CommitVisibility(bool visible) OVERRIDE;
70 virtual void CommitScale(float scale) OVERRIDE;
71 virtual void CommitCursorSet(ui::CursorSetType cursor_set) OVERRIDE;
72 virtual void CommitMouseEventsEnabled(bool enabled) OVERRIDE;
74 scoped_ptr<NativeCursorManager> delegate_;
76 // Number of times LockCursor() has been invoked without a corresponding
78 int cursor_lock_count_;
80 // The current state of the cursor.
81 scoped_ptr<internal::CursorState> current_state_;
83 // The cursor state to restore when the cursor is unlocked.
84 scoped_ptr<internal::CursorState> state_on_unlock_;
86 ObserverList<aura::client::CursorClientObserver> observers_;
88 DISALLOW_COPY_AND_ASSIGN(CursorManager);
94 #endif // UI_VIEWS_COREWM_CURSOR_MANAGER_H_