| // 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 CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_WIN_H_ |
| #define CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_WIN_H_ |
| |
| #include <windows.h> |
| |
| #include "base/lazy_instance.h" |
| #include "chrome/browser/extensions/global_shortcut_listener.h" |
| #include "ui/gfx/win/singleton_hwnd.h" |
| |
| namespace extensions { |
| |
| // Windows-specific implementation of the GlobalShortcutListener class that |
| // listens for global shortcuts. Handles setting up a keyboard hook and |
| // forwarding its output to the base class for processing. |
| class GlobalShortcutListenerWin : public GlobalShortcutListener, |
| public gfx::SingletonHwnd::Observer { |
| public: |
| virtual ~GlobalShortcutListenerWin(); |
| |
| virtual void StartListening() OVERRIDE; |
| virtual void StopListening() OVERRIDE; |
| |
| private: |
| friend struct base::DefaultLazyInstanceTraits<GlobalShortcutListenerWin>; |
| |
| GlobalShortcutListenerWin(); |
| |
| // The implementation of our Window Proc, called by SingletonHwnd. |
| virtual void OnWndProc(HWND hwnd, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam) OVERRIDE; |
| |
| // Register an |accelerator| with the particular |observer|. |
| virtual void RegisterAccelerator( |
| const ui::Accelerator& accelerator, |
| GlobalShortcutListener::Observer* observer) OVERRIDE; |
| // Unregister an |accelerator| with the particular |observer|. |
| virtual void UnregisterAccelerator( |
| const ui::Accelerator& accelerator, |
| GlobalShortcutListener::Observer* observer) OVERRIDE; |
| |
| // Whether this object is listening for global shortcuts. |
| bool is_listening_; |
| |
| // A map of registered accelerators and their registration ids. |
| typedef std::map< ui::Accelerator, int > HotkeyIdMap; |
| HotkeyIdMap hotkey_ids_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GlobalShortcutListenerWin); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_GLOBAL_SHORTCUT_LISTENER_WIN_H_ |