WebJavaScriptCollector.cpp [plain text]
#include "WebKitDLL.h"
#include "WebJavaScriptCollector.h"
#include <JavaScriptCore/Heap.h>
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/VM.h>
#include <WebCore/CommonVM.h>
#include <WebCore/DOMWindow.h>
#include <WebCore/GCController.h>
#include <WebCore/JSDOMWindow.h>
using namespace JSC;
using namespace WebCore;
WebJavaScriptCollector::WebJavaScriptCollector()
{
gClassCount++;
gClassNameCount().add("WebJavaScriptCollector");
}
WebJavaScriptCollector::~WebJavaScriptCollector()
{
gClassCount--;
gClassNameCount().remove("WebJavaScriptCollector");
}
WebJavaScriptCollector* WebJavaScriptCollector::createInstance()
{
WebJavaScriptCollector* instance = new WebJavaScriptCollector();
instance->AddRef();
return instance;
}
HRESULT WebJavaScriptCollector::QueryInterface(_In_ REFIID riid, _COM_Outptr_ void** ppvObject)
{
if (!ppvObject)
return E_POINTER;
*ppvObject = nullptr;
if (IsEqualGUID(riid, IID_IUnknown))
*ppvObject = static_cast<IWebJavaScriptCollector*>(this);
else if (IsEqualGUID(riid, IID_IWebJavaScriptCollector))
*ppvObject = static_cast<IWebJavaScriptCollector*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG WebJavaScriptCollector::AddRef()
{
return ++m_refCount;
}
ULONG WebJavaScriptCollector::Release()
{
ULONG newRef = --m_refCount;
if (!newRef)
delete(this);
return newRef;
}
HRESULT WebJavaScriptCollector::collect()
{
GCController::singleton().garbageCollectNow();
return S_OK;
}
HRESULT WebJavaScriptCollector::collectOnAlternateThread(BOOL waitUntilDone)
{
GCController::singleton().garbageCollectOnAlternateThreadForDebugging(!!waitUntilDone);
return S_OK;
}
HRESULT WebJavaScriptCollector::objectCount(_Out_ UINT* count)
{
if (!count) {
ASSERT_NOT_REACHED();
return E_POINTER;
}
JSLockHolder lock(commonVM());
*count = (UINT)commonVM().heap.objectCount();
return S_OK;
}