WebCoreStatistics.cpp revision 81bc750723a18f21cd17d1b173cd2a4dda9cea6e 
1/*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE 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 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
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebKitDLL.h"
28#include "WebCoreStatistics.h"
29
30#include "COMPropertyBag.h"
31#include <JavaScriptCore/JSLock.h>
32#include <WebCore/FontCache.h>
33#include <WebCore/GlyphPageTreeNode.h>
34#include <WebCore/IconDatabase.h>
35#include <WebCore/JSDOMWindow.h>
36
37using namespace JSC;
38using namespace WebCore;
39
40// WebCoreStatistics ---------------------------------------------------------------------------
41
42WebCoreStatistics::WebCoreStatistics()
43: m_refCount(0)
44{
45    gClassCount++;
46    gClassNameCount.add("WebCoreStatistics");
47}
48
49WebCoreStatistics::~WebCoreStatistics()
50{
51    gClassCount--;
52    gClassNameCount.remove("WebCoreStatistics");
53}
54
55WebCoreStatistics* WebCoreStatistics::createInstance()
56{
57    WebCoreStatistics* instance = new WebCoreStatistics();
58    instance->AddRef();
59    return instance;
60}
61
62// IUnknown -------------------------------------------------------------------
63
64HRESULT STDMETHODCALLTYPE WebCoreStatistics::QueryInterface(REFIID riid, void** ppvObject)
65{
66    *ppvObject = 0;
67    if (IsEqualGUID(riid, IID_IUnknown))
68        *ppvObject = static_cast<WebCoreStatistics*>(this);
69    else if (IsEqualGUID(riid, IID_IWebCoreStatistics))
70        *ppvObject = static_cast<WebCoreStatistics*>(this);
71    else
72        return E_NOINTERFACE;
73
74    AddRef();
75    return S_OK;
76}
77
78ULONG STDMETHODCALLTYPE WebCoreStatistics::AddRef(void)
79{
80    return ++m_refCount;
81}
82
83ULONG STDMETHODCALLTYPE WebCoreStatistics::Release(void)
84{
85    ULONG newRef = --m_refCount;
86    if (!newRef)
87        delete(this);
88
89    return newRef;
90}
91
92// IWebCoreStatistics ------------------------------------------------------------------------------
93
94HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptObjectsCount(
95    /* [retval][out] */ UINT* count)
96{
97    if (!count)
98        return E_POINTER;
99
100    JSLock lock(SilenceAssertionsOnly);
101    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.objectCount();
102    return S_OK;
103}
104
105HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptGlobalObjectsCount(
106    /* [retval][out] */ UINT* count)
107{
108    if (!count)
109        return E_POINTER;
110
111    JSLock lock(SilenceAssertionsOnly);
112    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount();
113    return S_OK;
114}
115
116HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectsCount(
117    /* [retval][out] */ UINT* count)
118{
119    if (!count)
120        return E_POINTER;
121
122    JSLock lock(SilenceAssertionsOnly);
123    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();
124    return S_OK;
125}
126
127HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedGlobalObjectsCount(
128    /* [retval][out] */ UINT* count)
129{
130    if (!count)
131        return E_POINTER;
132
133    JSLock lock(SilenceAssertionsOnly);
134    *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount();
135    return S_OK;
136}
137
138HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectTypeCounts(
139    /* [retval][out] */ IPropertyBag2** typeNamesAndCounts)
140{
141    JSLock lock(SilenceAssertionsOnly);
142    OwnPtr<TypeCountSet> jsObjectTypeNames(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());
143    typedef TypeCountSet::const_iterator Iterator;
144    Iterator end = jsObjectTypeNames->end();
145    HashMap<String, int> typeCountMap;
146    for (Iterator current = jsObjectTypeNames->begin(); current != end; ++current)
147        typeCountMap.set(current->first, current->second);
148
149    COMPtr<IPropertyBag2> results(AdoptCOM, COMPropertyBag<int>::createInstance(typeCountMap));
150    results.copyRefTo(typeNamesAndCounts);
151    return S_OK;
152}
153
154HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconPageURLMappingCount(
155    /* [retval][out] */ UINT* count)
156{
157    if (!count)
158        return E_POINTER;
159    *count = (UINT) iconDatabase().pageURLMappingCount();
160    return S_OK;
161}
162
163HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRetainedPageURLCount(
164    /* [retval][out] */ UINT *count)
165{
166    if (!count)
167        return E_POINTER;
168    *count = (UINT) iconDatabase().retainedPageURLCount();
169    return S_OK;
170}
171
172HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRecordCount(
173    /* [retval][out] */ UINT *count)
174{
175    if (!count)
176        return E_POINTER;
177    *count = (UINT) iconDatabase().iconRecordCount();
178    return S_OK;
179}
180
181HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconsWithDataCount(
182    /* [retval][out] */ UINT *count)
183{
184    if (!count)
185        return E_POINTER;
186    *count = (UINT) iconDatabase().iconRecordCountWithData();
187    return S_OK;
188}
189
190HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataCount(
191    /* [retval][out] */ UINT *count)
192{
193    if (!count)
194        return E_POINTER;
195    *count = (UINT) fontCache()->fontDataCount();
196    return S_OK;
197}
198
199HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataInactiveCount(
200    /* [retval][out] */ UINT *count)
201{
202    if (!count)
203        return E_POINTER;
204    *count = (UINT) fontCache()->inactiveFontDataCount();
205    return S_OK;
206}
207
208HRESULT STDMETHODCALLTYPE WebCoreStatistics::purgeInactiveFontData(void)
209{
210    fontCache()->purgeInactiveFontData();
211    return S_OK;
212}
213
214HRESULT STDMETHODCALLTYPE WebCoreStatistics::glyphPageCount(
215    /* [retval][out] */ UINT *count)
216{
217    if (!count)
218        return E_POINTER;
219    *count = (UINT) GlyphPageTreeNode::treeGlyphPageCount();
220    return S_OK;
221}
222