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633d674c48
Now that tonic doesn't depend on anything in //sky/engine anymore, we can move the code to a location where its dependencies are clearer.
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
// Copyright 2016 The Chromium 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/tonic/dart_microtask_queue.h"
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#include "base/trace_event/trace_event.h"
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#include "flutter/tonic/dart_invoke.h"
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#include "flutter/tonic/dart_state.h"
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namespace blink {
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namespace {
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typedef std::vector<DartPersistentValue> MicrotaskQueue;
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static MicrotaskQueue& GetQueue() {
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static MicrotaskQueue* queue = new MicrotaskQueue();
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return *queue;
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}
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} // namespace
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void DartMicrotaskQueue::ScheduleMicrotask(Dart_Handle callback) {
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GetQueue().emplace_back(DartState::Current(), callback);
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}
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void DartMicrotaskQueue::RunMicrotasks() {
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MicrotaskQueue& queue = GetQueue();
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while(!queue.empty()) {
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TRACE_EVENT0("flutter", "DartMicrotaskQueue::RunMicrotasks");
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MicrotaskQueue local;
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std::swap(queue, local);
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for (const auto& callback : local) {
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base::WeakPtr<DartState> dart_state = callback.dart_state();
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if (!dart_state.get())
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continue;
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DartState::Scope dart_scope(dart_state.get());
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DartInvokeVoid(callback.value());
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}
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}
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}
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}
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