mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
81e3233e3e
Otherwise there are mysterious gaps in the trace. R=eseidel@chromium.org Review URL: https://codereview.chromium.org/853883005
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/*
|
|
* Copyright (C) 2013 Google Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer
|
|
* in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name of Google Inc. nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "sky/engine/config.h"
|
|
#include "sky/engine/core/dom/Microtask.h"
|
|
|
|
#include "base/bind.h"
|
|
#include "sky/engine/bindings/core/v8/V8PerIsolateData.h"
|
|
#include "sky/engine/platform/TraceEvent.h"
|
|
#include "sky/engine/public/platform/WebThread.h"
|
|
#include "v8/include/v8.h"
|
|
|
|
namespace blink {
|
|
|
|
namespace {
|
|
|
|
class Task : public WebThread::Task {
|
|
public:
|
|
explicit Task(const base::Closure& closure)
|
|
: m_closure(closure)
|
|
{
|
|
}
|
|
|
|
virtual void run() override
|
|
{
|
|
m_closure.Run();
|
|
}
|
|
|
|
private:
|
|
base::Closure m_closure;
|
|
};
|
|
|
|
}
|
|
|
|
void Microtask::performCheckpoint()
|
|
{
|
|
v8::Isolate* isolate = v8::Isolate::GetCurrent();
|
|
V8PerIsolateData* isolateData = V8PerIsolateData::from(isolate);
|
|
ASSERT(isolateData);
|
|
if (isolateData->recursionLevel() || isolateData->performingMicrotaskCheckpoint())
|
|
return;
|
|
TRACE_EVENT0("v8", "v8.runMicrotasks");
|
|
isolateData->setPerformingMicrotaskCheckpoint(true);
|
|
isolate->RunMicrotasks();
|
|
isolateData->setPerformingMicrotaskCheckpoint(false);
|
|
}
|
|
|
|
static void microtaskFunctionCallback(void* data)
|
|
{
|
|
OwnPtr<WebThread::Task> task = adoptPtr(static_cast<WebThread::Task*>(data));
|
|
task->run();
|
|
}
|
|
|
|
void Microtask::enqueueMicrotask(PassOwnPtr<WebThread::Task> callback)
|
|
{
|
|
v8::Isolate* isolate = v8::Isolate::GetCurrent();
|
|
isolate->EnqueueMicrotask(µtaskFunctionCallback, callback.leakPtr());
|
|
}
|
|
|
|
void Microtask::enqueueMicrotask(const base::Closure& callback)
|
|
{
|
|
enqueueMicrotask(adoptPtr(new Task(callback)));
|
|
}
|
|
|
|
} // namespace blink
|