50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_MESSAGE_HANDLER_H_
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#define RTC_BASE_MESSAGE_HANDLER_H_
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#include <utility>
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#include "api/function_view.h"
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#include "rtc_base/constructor_magic.h"
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#include "rtc_base/system/rtc_export.h"
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namespace rtc {
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struct Message;
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// MessageQueue/Thread Messages get dispatched via the MessageHandler interface.
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class RTC_EXPORT MessageHandler {
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public:
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virtual ~MessageHandler() {}
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virtual void OnMessage(Message* msg) = 0;
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};
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// Warning: Provided for backwards compatibility.
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//
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// This class performs expensive cleanup in the dtor that will affect all
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// instances of Thread (and their pending message queues) and will block the
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// current thread as well as all other threads.
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class RTC_EXPORT MessageHandlerAutoCleanup : public MessageHandler {
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public:
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~MessageHandlerAutoCleanup() override;
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protected:
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MessageHandlerAutoCleanup();
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private:
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RTC_DISALLOW_COPY_AND_ASSIGN(MessageHandlerAutoCleanup);
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};
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} // namespace rtc
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#endif // RTC_BASE_MESSAGE_HANDLER_H_
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