#include "config.h"
#include "cc/CCProxy.h"
#include "TraceEvent.h"
#include "cc/CCLayerTreeHost.h"
#include "cc/CCThreadTask.h"
#include <wtf/MainThread.h>
using namespace WTF;
namespace WebCore {
namespace {
#ifndef NDEBUG
bool implThreadIsOverridden = false;
ThreadIdentifier threadIDOverridenToBeImplThread;
#endif
CCThread* s_mainThread = 0;
CCThread* s_implThread = 0;
}
void CCProxy::setMainThread(CCThread* thread)
{
s_mainThread = thread;
}
CCThread* CCProxy::mainThread()
{
return s_mainThread;
}
bool CCProxy::hasImplThread()
{
return s_implThread;
}
void CCProxy::setImplThread(CCThread* thread)
{
s_implThread = thread;
}
CCThread* CCProxy::implThread()
{
return s_implThread;
}
CCThread* CCProxy::currentThread()
{
ThreadIdentifier currentThreadIdentifier = WTF::currentThread();
if (s_mainThread && s_mainThread->threadID() == currentThreadIdentifier)
return s_mainThread;
if (s_implThread && s_implThread->threadID() == currentThreadIdentifier)
return s_implThread;
return 0;
}
#ifndef NDEBUG
bool CCProxy::isMainThread()
{
ASSERT(s_mainThread);
if (implThreadIsOverridden && WTF::currentThread() == threadIDOverridenToBeImplThread)
return false;
return WTF::currentThread() == s_mainThread->threadID();
}
bool CCProxy::isImplThread()
{
WTF::ThreadIdentifier implThreadID = s_implThread ? s_implThread->threadID() : 0;
if (implThreadIsOverridden && WTF::currentThread() == threadIDOverridenToBeImplThread)
return true;
return WTF::currentThread() == implThreadID;
}
void CCProxy::setCurrentThreadIsImplThread(bool isImplThread)
{
implThreadIsOverridden = isImplThread;
if (isImplThread)
threadIDOverridenToBeImplThread = WTF::currentThread();
}
#endif
CCProxy::CCProxy()
{
ASSERT(isMainThread());
}
CCProxy::~CCProxy()
{
ASSERT(isMainThread());
}
}