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 #include <WebCore/SharedBuffer.h> 37 38 using namespace JSC; 39 using namespace WebCore; 40 41 // WebCoreStatistics --------------------------------------------------------------------------- 42 43 WebCoreStatistics::WebCoreStatistics() 44 : m_refCount(0) 45 { 46 gClassCount++; 47 gClassNameCount.add("WebCoreStatistics"); 48 } 49 50 WebCoreStatistics::~WebCoreStatistics() 51 { 52 gClassCount--; 53 gClassNameCount.remove("WebCoreStatistics"); 54 } 55 56 WebCoreStatistics* WebCoreStatistics::createInstance() 57 { 58 WebCoreStatistics* instance = new WebCoreStatistics(); 59 instance->AddRef(); 60 return instance; 61 } 62 63 // IUnknown ------------------------------------------------------------------- 64 65 HRESULT STDMETHODCALLTYPE WebCoreStatistics::QueryInterface(REFIID riid, void** ppvObject) 66 { 67 *ppvObject = 0; 68 if (IsEqualGUID(riid, IID_IUnknown)) 69 *ppvObject = static_cast<WebCoreStatistics*>(this); 70 else if (IsEqualGUID(riid, IID_IWebCoreStatistics)) 71 *ppvObject = static_cast<WebCoreStatistics*>(this); 72 else 73 return E_NOINTERFACE; 74 75 AddRef(); 76 return S_OK; 77 } 78 79 ULONG STDMETHODCALLTYPE WebCoreStatistics::AddRef(void) 80 { 81 return ++m_refCount; 82 } 83 84 ULONG STDMETHODCALLTYPE WebCoreStatistics::Release(void) 85 { 86 ULONG newRef = --m_refCount; 87 if (!newRef) 88 delete(this); 89 90 return newRef; 91 } 92 93 // IWebCoreStatistics ------------------------------------------------------------------------------ 94 95 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptObjectsCount( 96 /* [retval][out] */ UINT* count) 97 { 98 if (!count) 99 return E_POINTER; 100 101 JSLock lock(SilenceAssertionsOnly); 102 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.objectCount(); 103 return S_OK; 104 } 105 106 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptGlobalObjectsCount( 107 /* [retval][out] */ UINT* count) 108 { 109 if (!count) 110 return E_POINTER; 111 112 JSLock lock(SilenceAssertionsOnly); 113 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount(); 114 return S_OK; 115 } 116 117 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectsCount( 118 /* [retval][out] */ UINT* count) 119 { 120 if (!count) 121 return E_POINTER; 122 123 JSLock lock(SilenceAssertionsOnly); 124 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount(); 125 return S_OK; 126 } 127 128 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedGlobalObjectsCount( 129 /* [retval][out] */ UINT* count) 130 { 131 if (!count) 132 return E_POINTER; 133 134 JSLock lock(SilenceAssertionsOnly); 135 *count = (UINT)JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount(); 136 return S_OK; 137 } 138 139 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectTypeCounts( 140 /* [retval][out] */ IPropertyBag2** typeNamesAndCounts) 141 { 142 JSLock lock(SilenceAssertionsOnly); 143 OwnPtr<TypeCountSet> jsObjectTypeNames(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts()); 144 typedef TypeCountSet::const_iterator Iterator; 145 Iterator end = jsObjectTypeNames->end(); 146 HashMap<String, int> typeCountMap; 147 for (Iterator current = jsObjectTypeNames->begin(); current != end; ++current) 148 typeCountMap.set(current->first, current->second); 149 150 COMPtr<IPropertyBag2> results(AdoptCOM, COMPropertyBag<int>::createInstance(typeCountMap)); 151 results.copyRefTo(typeNamesAndCounts); 152 return S_OK; 153 } 154 155 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconPageURLMappingCount( 156 /* [retval][out] */ UINT* count) 157 { 158 if (!count) 159 return E_POINTER; 160 *count = (UINT) iconDatabase().pageURLMappingCount(); 161 return S_OK; 162 } 163 164 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRetainedPageURLCount( 165 /* [retval][out] */ UINT *count) 166 { 167 if (!count) 168 return E_POINTER; 169 *count = (UINT) iconDatabase().retainedPageURLCount(); 170 return S_OK; 171 } 172 173 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconRecordCount( 174 /* [retval][out] */ UINT *count) 175 { 176 if (!count) 177 return E_POINTER; 178 *count = (UINT) iconDatabase().iconRecordCount(); 179 return S_OK; 180 } 181 182 HRESULT STDMETHODCALLTYPE WebCoreStatistics::iconsWithDataCount( 183 /* [retval][out] */ UINT *count) 184 { 185 if (!count) 186 return E_POINTER; 187 *count = (UINT) iconDatabase().iconRecordCountWithData(); 188 return S_OK; 189 } 190 191 HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataCount( 192 /* [retval][out] */ UINT *count) 193 { 194 if (!count) 195 return E_POINTER; 196 *count = (UINT) fontCache()->fontDataCount(); 197 return S_OK; 198 } 199 200 HRESULT STDMETHODCALLTYPE WebCoreStatistics::cachedFontDataInactiveCount( 201 /* [retval][out] */ UINT *count) 202 { 203 if (!count) 204 return E_POINTER; 205 *count = (UINT) fontCache()->inactiveFontDataCount(); 206 return S_OK; 207 } 208 209 HRESULT STDMETHODCALLTYPE WebCoreStatistics::purgeInactiveFontData(void) 210 { 211 fontCache()->purgeInactiveFontData(); 212 return S_OK; 213 } 214 215 HRESULT STDMETHODCALLTYPE WebCoreStatistics::glyphPageCount( 216 /* [retval][out] */ UINT *count) 217 { 218 if (!count) 219 return E_POINTER; 220 *count = (UINT) GlyphPageTreeNode::treeGlyphPageCount(); 221 return S_OK; 222 } 223