blob: 75866272d5f7dcb3a5a0862ebc9a417feb72b3ef [file] [log] [blame]
/*
* Copyright (C) 2007-2008, 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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::WebJavaScriptCollector()
{
gClassCount++;
gClassNameCount().add("WebJavaScriptCollector"_s);
}
WebJavaScriptCollector::~WebJavaScriptCollector()
{
gClassCount--;
gClassNameCount().remove("WebJavaScriptCollector"_s);
}
WebJavaScriptCollector* WebJavaScriptCollector::createInstance()
{
WebJavaScriptCollector* instance = new WebJavaScriptCollector();
instance->AddRef();
return instance;
}
// IUnknown -------------------------------------------------------------------
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;
}
// IWebJavaScriptCollector ------------------------------------------------------------------------------
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;
}