| // Copyright (c) 2013 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_VIEWS_COREWM_CURSOR_MANAGER_H_ |
| #define UI_VIEWS_COREWM_CURSOR_MANAGER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "ui/aura/client/cursor_client.h" |
| #include "ui/base/cursor/cursor.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/point.h" |
| #include "ui/views/corewm/native_cursor_manager_delegate.h" |
| #include "ui/views/views_export.h" |
| |
| namespace gfx { |
| class Display; |
| } |
| |
| namespace views { |
| namespace corewm { |
| |
| namespace internal { |
| class CursorState; |
| } |
| |
| class NativeCursorManager; |
| |
| // This class receives requests to change cursor properties, as well as |
| // requests to queue any further changes until a later time. It sends changes |
| // to the NativeCursorManager, which communicates back to us when these changes |
| // were made through the NativeCursorManagerDelegate interface. |
| class VIEWS_EXPORT CursorManager : public aura::client::CursorClient, |
| public NativeCursorManagerDelegate { |
| public: |
| CursorManager(scoped_ptr<NativeCursorManager> delegate); |
| virtual ~CursorManager(); |
| |
| // Overridden from aura::client::CursorClient: |
| virtual void SetCursor(gfx::NativeCursor) OVERRIDE; |
| virtual gfx::NativeCursor GetCursor() const OVERRIDE; |
| virtual void ShowCursor() OVERRIDE; |
| virtual void HideCursor() OVERRIDE; |
| virtual bool IsCursorVisible() const OVERRIDE; |
| virtual void SetScale(float scale) OVERRIDE; |
| virtual float GetScale() const OVERRIDE; |
| virtual void SetCursorSet(ui::CursorSetType cursor_set) OVERRIDE; |
| virtual ui::CursorSetType GetCursorSet() const OVERRIDE; |
| virtual void EnableMouseEvents() OVERRIDE; |
| virtual void DisableMouseEvents() OVERRIDE; |
| virtual bool IsMouseEventsEnabled() const OVERRIDE; |
| virtual void SetDisplay(const gfx::Display& display) OVERRIDE; |
| virtual void LockCursor() OVERRIDE; |
| virtual void UnlockCursor() OVERRIDE; |
| virtual bool IsCursorLocked() const OVERRIDE; |
| virtual void AddObserver( |
| aura::client::CursorClientObserver* observer) OVERRIDE; |
| virtual void RemoveObserver( |
| aura::client::CursorClientObserver* observer) OVERRIDE; |
| |
| private: |
| // Overridden from NativeCursorManagerDelegate: |
| virtual void CommitCursor(gfx::NativeCursor cursor) OVERRIDE; |
| virtual void CommitVisibility(bool visible) OVERRIDE; |
| virtual void CommitScale(float scale) OVERRIDE; |
| virtual void CommitCursorSet(ui::CursorSetType cursor_set) OVERRIDE; |
| virtual void CommitMouseEventsEnabled(bool enabled) OVERRIDE; |
| |
| scoped_ptr<NativeCursorManager> delegate_; |
| |
| // Number of times LockCursor() has been invoked without a corresponding |
| // UnlockCursor(). |
| int cursor_lock_count_; |
| |
| // The current state of the cursor. |
| scoped_ptr<internal::CursorState> current_state_; |
| |
| // The cursor state to restore when the cursor is unlocked. |
| scoped_ptr<internal::CursorState> state_on_unlock_; |
| |
| ObserverList<aura::client::CursorClientObserver> observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CursorManager); |
| }; |
| |
| } // namespace corewm |
| } // namespace views |
| |
| #endif // UI_VIEWS_COREWM_CURSOR_MANAGER_H_ |