53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_
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#define BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_
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#include "base/memory/scoped_ptr.h"
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#include "base/memory/scoped_vector.h"
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#include "base/message_loop/message_pump_dispatcher.h"
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#include "base/message_loop/message_pump_libevent.h"
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#include "base/message_loop/message_pump_observer.h"
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#include "base/observer_list.h"
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namespace base {
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// This class implements a message-pump for processing events from input devices
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// Refer to MessagePump for further documentation.
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class BASE_EXPORT MessagePumpOzone : public MessagePumpLibevent,
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public MessagePumpDispatcher {
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public:
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MessagePumpOzone();
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virtual ~MessagePumpOzone();
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// Returns the UI message pump.
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static MessagePumpOzone* Current();
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// Add/Remove the root window dispatcher.
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void AddDispatcherForRootWindow(MessagePumpDispatcher* dispatcher);
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void RemoveDispatcherForRootWindow(MessagePumpDispatcher* dispatcher);
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void RunWithDispatcher(Delegate* delegate, MessagePumpDispatcher* dispatcher);
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// Add / remove an Observer, which will start receiving notifications
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// immediately.
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void AddObserver(MessagePumpObserver* observer);
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void RemoveObserver(MessagePumpObserver* observer);
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// Overridden from MessagePumpDispatcher.
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virtual bool Dispatch(const NativeEvent& event) OVERRIDE;
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private:
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std::vector<MessagePumpDispatcher*> dispatcher_;
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DISALLOW_COPY_AND_ASSIGN(MessagePumpOzone);
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};
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typedef MessagePumpOzone MessagePumpForUI;
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} // namespace base
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#endif // BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_
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