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// Copyright 2011 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 "cc/trees/proxy.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/single_thread_task_runner.h"
namespace cc {
base::SingleThreadTaskRunner* Proxy::MainThreadTaskRunner() const {
return main_task_runner_.get();
}
bool Proxy::HasImplThread() const { return !!impl_task_runner_.get(); }
base::SingleThreadTaskRunner* Proxy::ImplThreadTaskRunner() const {
return impl_task_runner_.get();
}
bool Proxy::IsMainThread() const {
#ifndef NDEBUG
DCHECK(main_task_runner_.get());
if (impl_thread_is_overridden_)
return false;
return main_task_runner_->BelongsToCurrentThread();
#else
return true;
#endif
}
bool Proxy::IsImplThread() const {
#ifndef NDEBUG
if (impl_thread_is_overridden_)
return true;
if (!impl_task_runner_.get())
return false;
return impl_task_runner_->BelongsToCurrentThread();
#else
return true;
#endif
}
#ifndef NDEBUG
void Proxy::SetCurrentThreadIsImplThread(bool is_impl_thread) {
impl_thread_is_overridden_ = is_impl_thread;
}
#endif
bool Proxy::IsMainThreadBlocked() const {
#ifndef NDEBUG
return is_main_thread_blocked_;
#else
return true;
#endif
}
#ifndef NDEBUG
void Proxy::SetMainThreadBlocked(bool is_main_thread_blocked) {
is_main_thread_blocked_ = is_main_thread_blocked;
}
#endif
Proxy::Proxy(
scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner)
: main_task_runner_(base::MessageLoopProxy::current()),
#ifdef NDEBUG
impl_task_runner_(impl_task_runner) {}
#else
impl_task_runner_(impl_task_runner),
impl_thread_is_overridden_(false),
is_main_thread_blocked_(false) {}
#endif
Proxy::~Proxy() {
DCHECK(IsMainThread());
}
std::string Proxy::SchedulerStateAsStringForTesting() {
return "";
}
} // namespace cc
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