2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include "WebKitDLL.h"
28 #include "WebJavaScriptCollector.h"
30 #include <JavaScriptCore/Heap.h>
31 #include <JavaScriptCore/JSGlobalData.h>
32 #include <WebCore/GCController.h>
33 #include <WebCore/JSDOMWindow.h>
34 #include <runtime/JSLock.h>
37 using namespace WebCore;
39 // WebJavaScriptCollector ---------------------------------------------------------------------------
41 WebJavaScriptCollector::WebJavaScriptCollector()
45 gClassNameCount.add("WebJavaScriptCollector");
48 WebJavaScriptCollector::~WebJavaScriptCollector()
51 gClassNameCount.remove("WebJavaScriptCollector");
54 WebJavaScriptCollector* WebJavaScriptCollector::createInstance()
56 WebJavaScriptCollector* instance = new WebJavaScriptCollector();
61 // IUnknown -------------------------------------------------------------------
63 HRESULT STDMETHODCALLTYPE WebJavaScriptCollector::QueryInterface(REFIID riid, void** ppvObject)
66 if (IsEqualGUID(riid, IID_IUnknown))
67 *ppvObject = static_cast<IWebJavaScriptCollector*>(this);
68 else if (IsEqualGUID(riid, IID_IWebJavaScriptCollector))
69 *ppvObject = static_cast<IWebJavaScriptCollector*>(this);
77 ULONG STDMETHODCALLTYPE WebJavaScriptCollector::AddRef(void)
82 ULONG STDMETHODCALLTYPE WebJavaScriptCollector::Release(void)
84 ULONG newRef = --m_refCount;
91 // IWebJavaScriptCollector ------------------------------------------------------------------------------
93 HRESULT STDMETHODCALLTYPE WebJavaScriptCollector::collect()
95 gcController().garbageCollectNow();
99 HRESULT STDMETHODCALLTYPE WebJavaScriptCollector::collectOnAlternateThread(
100 /* [in] */ BOOL waitUntilDone)
102 gcController().garbageCollectOnAlternateThreadForDebugging(!!waitUntilDone);
106 HRESULT STDMETHODCALLTYPE WebJavaScriptCollector::objectCount(
107 /* [retval][out] */ UINT* count)
110 ASSERT_NOT_REACHED();
114 JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
115 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.objectCount();