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50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
#pragma once
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#include "drape_frontend/message_queue.hpp"
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#include "drape/pointers.hpp"
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#include <atomic>
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#include <mutex>
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#include <functional>
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namespace df
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{
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class Message;
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class MessageAcceptor
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{
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protected:
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MessageAcceptor();
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virtual ~MessageAcceptor() = default;
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virtual void AcceptMessage(ref_ptr<Message> message) = 0;
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/// Must be called by subclass on message target thread
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bool ProcessSingleMessage(bool waitForMessage = true);
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void CancelMessageWaiting();
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void CloseQueue();
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bool IsInInfinityWaiting() const;
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#ifdef DEBUG_MESSAGE_QUEUE
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bool IsQueueEmpty() const;
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size_t GetQueueSize() const;
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#endif
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void EnableMessageFiltering(MessageQueue::FilterMessageFn && filter);
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void DisableMessageFiltering();
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void InstantMessageFilter(MessageQueue::FilterMessageFn && filter);
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private:
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friend class ThreadsCommutator;
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void PostMessage(drape_ptr<Message> && message, MessagePriority priority);
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MessageQueue m_messageQueue;
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std::atomic<bool> m_infinityWaiting;
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};
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} // namespace df
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