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 UI_VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
6#define UI_VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
7
8#include "build/build_config.h"
9
10#include <set>
11#include <vector>
12
13#include "base/compiler_specific.h"
14#include "base/message_loop/message_loop.h"
15#include "ui/views/views_export.h"
16
17namespace views {
18
19#if defined(USE_AURA) && defined(USE_X11)
20// Dispatch an XEvent to the RootView. Return true if the event was dispatched
21// and handled, false otherwise.
22bool VIEWS_EXPORT DispatchXEvent(XEvent* xevent);
23#endif  // USE_AURA && USE_X11
24
25// This class delegates the key messages to the associated FocusManager class
26// for the window that is receiving these messages for accelerator processing.
27class VIEWS_EXPORT AcceleratorHandler : public base::MessageLoop::Dispatcher {
28 public:
29  AcceleratorHandler();
30
31  // Dispatcher method. This returns true if an accelerator was processed by the
32  // focus manager
33  virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE;
34
35 private:
36#if defined(OS_WIN)
37  // The keys currently pressed and consumed by the FocusManager.
38  std::set<WPARAM> pressed_keys_;
39#endif
40
41  DISALLOW_COPY_AND_ASSIGN(AcceleratorHandler);
42};
43
44}  // namespace views
45
46#endif  // UI_VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
47