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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 "cc/base/thread.h"
#include "cc/base/thread_impl.h"
namespace cc {
Thread* Proxy::MainThread() const { return main_thread_.get(); }
bool Proxy::HasImplThread() const { return impl_thread_; }
Thread* Proxy::ImplThread() const { return impl_thread_.get(); }
Thread* Proxy::CurrentThread() const {
if (MainThread() && MainThread()->BelongsToCurrentThread())
return MainThread();
if (ImplThread() && ImplThread()->BelongsToCurrentThread())
return ImplThread();
return NULL;
}
bool Proxy::IsMainThread() const {
#ifndef NDEBUG
DCHECK(MainThread());
if (impl_thread_is_overridden_)
return false;
return MainThread()->BelongsToCurrentThread();
#else
return true;
#endif
}
bool Proxy::IsImplThread() const {
#ifndef NDEBUG
if (impl_thread_is_overridden_)
return true;
return ImplThread() && ImplThread()->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_ptr<Thread> impl_thread)
: main_thread_(ThreadImpl::CreateForCurrentThread()),
#ifdef NDEBUG
impl_thread_(impl_thread.Pass()) {}
#else
impl_thread_(impl_thread.Pass()),
impl_thread_is_overridden_(false),
is_main_thread_blocked_(false) {}
#endif
Proxy::~Proxy() {
DCHECK(IsMainThread());
}
} // namespace cc
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