mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "flutter/fml/message_loop.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "flutter/fml/memory/ref_counted.h"
|
|
#include "flutter/fml/memory/ref_ptr.h"
|
|
#include "flutter/fml/message_loop_impl.h"
|
|
#include "flutter/fml/task_runner.h"
|
|
#include "flutter/fml/thread_local.h"
|
|
|
|
namespace fml {
|
|
|
|
FML_THREAD_LOCAL ThreadLocal tls_message_loop([](intptr_t value) {
|
|
delete reinterpret_cast<MessageLoop*>(value);
|
|
});
|
|
|
|
MessageLoop& MessageLoop::GetCurrent() {
|
|
auto loop = reinterpret_cast<MessageLoop*>(tls_message_loop.Get());
|
|
FML_CHECK(loop != nullptr)
|
|
<< "MessageLoop::EnsureInitializedForCurrentThread was not called on "
|
|
"this thread prior to message loop use.";
|
|
return *loop;
|
|
}
|
|
|
|
void MessageLoop::EnsureInitializedForCurrentThread() {
|
|
if (tls_message_loop.Get() != 0) {
|
|
// Already initialized.
|
|
return;
|
|
}
|
|
tls_message_loop.Set(reinterpret_cast<intptr_t>(new MessageLoop()));
|
|
}
|
|
|
|
bool MessageLoop::IsInitializedForCurrentThread() {
|
|
return tls_message_loop.Get() != 0;
|
|
}
|
|
|
|
MessageLoop::MessageLoop()
|
|
: loop_(MessageLoopImpl::Create()),
|
|
task_runner_(fml::MakeRefCounted<fml::TaskRunner>(loop_)) {
|
|
FML_CHECK(loop_);
|
|
FML_CHECK(task_runner_);
|
|
}
|
|
|
|
MessageLoop::~MessageLoop() = default;
|
|
|
|
void MessageLoop::Run() {
|
|
loop_->DoRun();
|
|
}
|
|
|
|
void MessageLoop::Terminate() {
|
|
loop_->DoTerminate();
|
|
}
|
|
|
|
fml::RefPtr<fml::TaskRunner> MessageLoop::GetTaskRunner() const {
|
|
return task_runner_;
|
|
}
|
|
|
|
fml::RefPtr<MessageLoopImpl> MessageLoop::GetLoopImpl() const {
|
|
return loop_;
|
|
}
|
|
|
|
void MessageLoop::AddTaskObserver(intptr_t key, fml::closure callback) {
|
|
loop_->AddTaskObserver(key, callback);
|
|
}
|
|
|
|
void MessageLoop::RemoveTaskObserver(intptr_t key) {
|
|
loop_->RemoveTaskObserver(key);
|
|
}
|
|
|
|
void MessageLoop::RunExpiredTasksNow() {
|
|
loop_->RunExpiredTasksNow();
|
|
}
|
|
|
|
} // namespace fml
|