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48 lines
1.3 KiB
C++
48 lines
1.3 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/fuchsia/message_loop_fuchsia.h"
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#include <lib/async-loop/default.h>
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#include <lib/async/cpp/task.h>
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#include <lib/async/default.h>
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#include <lib/zx/time.h>
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namespace fml {
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MessageLoopFuchsia::MessageLoopFuchsia()
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: loop_(&kAsyncLoopConfigNoAttachToCurrentThread) {
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async_set_default_dispatcher(loop_.dispatcher());
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}
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MessageLoopFuchsia::~MessageLoopFuchsia() {
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// It is only safe to unset the current thread's default dispatcher if it is
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// already pointing to this loop.
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if (async_get_default_dispatcher() == loop_.dispatcher()) {
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async_set_default_dispatcher(nullptr);
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}
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}
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void MessageLoopFuchsia::Run() {
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loop_.Run();
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}
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void MessageLoopFuchsia::Terminate() {
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loop_.Quit();
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}
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void MessageLoopFuchsia::WakeUp(fml::TimePoint time_point) {
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fml::TimePoint now = fml::TimePoint::Now();
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zx::duration due_time{0};
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if (time_point > now) {
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due_time = zx::nsec((time_point - now).ToNanoseconds());
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}
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auto status = async::PostDelayedTask(
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loop_.dispatcher(), [this]() { RunExpiredTasksNow(); }, due_time);
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FML_DCHECK(status == ZX_OK);
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}
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} // namespace fml
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