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// Copyright (c) 2011 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 VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
#define VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
#pragma once
#include "build/build_config.h"
#if defined(TOOLKIT_USES_GTK)
#include <gdk/gdk.h>
#endif
#include <set>
#include <vector>
#include "base/message_loop.h"
#include "views/views_export.h"
namespace views {
#if (defined(TOUCH_UI) && !defined(USE_WAYLAND)) \
|| (!defined(OS_WIN) && defined(USE_AURA))
// Dispatch an XEvent to the RootView. Return true if the event was dispatched
// and handled, false otherwise.
bool VIEWS_EXPORT DispatchXEvent(XEvent* xevent);
#endif // TOUCH_UI
// This class delegates the key messages to the associated FocusManager class
// for the window that is receiving these messages for accelerator processing.
class VIEWS_EXPORT AcceleratorHandler : public MessageLoop::Dispatcher {
public:
AcceleratorHandler();
// Dispatcher method. This returns true if an accelerator was processed by the
// focus manager
#if defined(OS_WIN)
virtual bool Dispatch(const MSG& msg);
#elif defined(USE_WAYLAND)
virtual base::MessagePumpDispatcher::DispatchStatus Dispatch(
ui::WaylandEvent* ev);
#elif defined(TOUCH_UI) || defined(USE_AURA)
virtual base::MessagePumpDispatcher::DispatchStatus Dispatch(XEvent* xev);
#else
virtual bool Dispatch(GdkEvent* event);
#endif
private:
#if defined(OS_WIN)
// The keys currently pressed and consumed by the FocusManager.
std::set<WPARAM> pressed_keys_;
#endif
DISALLOW_COPY_AND_ASSIGN(AcceleratorHandler);
};
} // namespace views
#endif // VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
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