mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Michael Goderbauer
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
// Copyright 2013 The Flutter 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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#include "flutter/fml/platform/win/message_loop_win.h"
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#include "flutter/fml/logging.h"
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namespace fml {
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MessageLoopWin::MessageLoopWin()
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: timer_(CreateWaitableTimer(NULL, FALSE, NULL)) {
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FML_CHECK(timer_.is_valid());
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}
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MessageLoopWin::~MessageLoopWin() = default;
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void MessageLoopWin::Run() {
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running_ = true;
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while (running_) {
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FML_CHECK(WaitForSingleObject(timer_.get(), INFINITE) == 0);
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RunExpiredTasksNow();
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}
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}
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void MessageLoopWin::Terminate() {
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running_ = false;
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WakeUp(fml::TimePoint::Now());
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}
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void MessageLoopWin::WakeUp(fml::TimePoint time_point) {
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LARGE_INTEGER due_time = {0};
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fml::TimePoint now = fml::TimePoint::Now();
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if (time_point > now) {
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due_time.QuadPart = (time_point - now).ToNanoseconds() / -100;
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}
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FML_CHECK(SetWaitableTimer(timer_.get(), &due_time, 0, NULL, NULL, FALSE));
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}
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} // namespace fml
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