code.vuplus.com Git - vuplus_webkit/blob - Source/WebKit/win/WebCoreStatistics.cpp

   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 }