66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
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// The base class of a cross flatform message pump implemention
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#ifndef BASE_FRAMEWORK_WIN_MESSAGE_PUMP_H_
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#define BASE_FRAMEWORK_WIN_MESSAGE_PUMP_H_
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#include "base/framework/message_pump.h"
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#if defined(OS_WIN)
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#include <windows.h>
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#include "base/time/time.h"
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namespace nbase
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{
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class BASE_EXPORT WinMessagePump: public MessagePump
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{
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public:
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// UI<55><49>Ϣ<EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD>
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// UI<55><49>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ϣ<EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>þ<EFBFBD><C3BE><EFBFBD><EFBFBD><EFBFBD>
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// TranslateMessage/DispatchMessageģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dispatcher<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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class BASE_EXPORT Dispatcher
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{
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public:
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virtual ~Dispatcher() {}
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virtual bool Dispatch(const MSG &message) = 0;
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};
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WinMessagePump() : have_work_(0), state_(NULL) {}
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virtual ~WinMessagePump() {}
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void RunWithDispatcher(Delegate* delegate, Dispatcher* dispatcher);
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virtual void Run(Delegate* delegate) { return RunWithDispatcher(delegate, NULL); }
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virtual void Quit();
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protected:
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struct RunState
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{
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int run_depth; // Ƕ<><EFBFBD><D7B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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bool should_quit; // <20>Ƿ<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD>
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Delegate* delegate; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ί<EFBFBD><CEAF>
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Dispatcher* dispatcher; // <20><>Ϣ<EFBFBD>ɷ<EFBFBD><C9B7><EFBFBD>
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};
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// ȡ<><C8A1>ǰ<EFBFBD><C7B0>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
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int64_t GetCurrentDelay() const;
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virtual void DoRunLoop() = 0;
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// <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>´<EFBFBD><C2B4><EFBFBD><EFBFBD>е<EFBFBD>ʱ<EFBFBD><CAB1>
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TimeTicks delayed_work_time_;
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// ָʾ<D6B8><CABE>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>kMsgDoWork<72><6B>Ϣ
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long have_work_;
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// ָʾ<D6B8><CABE>ǰMessagePump<6D><70>״̬
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RunState* state_;
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};
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}
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#endif // OS_WIN
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#endif // BASE_FRAMEWORK_WIN_MESSAGE_PUMP_H_
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