62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
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// Copyright (c) 2011, NetEase Inc. All rights reserved.
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//
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// Author: wrt(guangguang)
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// Date: 2011/6/8
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//
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// The base class of a cross flatform message pump implemention
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#include "base/framework/win_message_pump.h"
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#if defined(OS_WIN)
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#include <assert.h>
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#include <math.h>
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namespace nbase
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{
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void WinMessagePump::RunWithDispatcher(Delegate* delegate, Dispatcher* dispatcher)
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{
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assert(delegate);
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RunState rs;
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rs.delegate = delegate;
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rs.dispatcher = dispatcher;
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rs.should_quit = false;
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rs.run_depth = state_ ? state_->run_depth + 1 : 1;
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RunState* previous_state = state_;
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state_ = &rs;
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DoRunLoop();
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state_ = previous_state;
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}
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void WinMessagePump::Quit()
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{
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assert(state_);
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if (state_)
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state_->should_quit = true;
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}
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int64_t WinMessagePump::GetCurrentDelay() const
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{
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if (delayed_work_time_.is_null())
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return -1;
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// 将微妙的精度转换为毫秒
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double timeout = ceil((delayed_work_time_ - TimeTicks::Now()).ToInternalValue()/1000.0);
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// 如果delay的值是负的，那么表示任务需要被越快运行越好
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int64_t delay = static_cast<int64_t>(timeout);
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if (delay < 0)
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delay = 0;
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return delay;
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}
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}
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#endif // OS_WIN
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