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 

    37 using namespace JSC;

    38 using namespace WebCore;

    39 

    40 // WebCoreStatistics ---------------------------------------------------------------------------

    41 

    42 WebCoreStatistics::WebCoreStatistics()

    43 : m_refCount(0)

    44 {

    45     gClassCount++;

    46     gClassNameCount.add("WebCoreStatistics");

    47 }

    48 

    49 WebCoreStatistics::~WebCoreStatistics()

    50 {

    51     gClassCount--;

    52     gClassNameCount.remove("WebCoreStatistics");

    53 }

    54 

    55 WebCoreStatistics* WebCoreStatistics::createInstance()

    56 {

    57     WebCoreStatistics* instance = new WebCoreStatistics();

    58     instance->AddRef();

    59     return instance;

    60 }

    61 

    62 // IUnknown -------------------------------------------------------------------

    63 

    64 HRESULT 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 

    78 ULONG STDMETHODCALLTYPE WebCoreStatistics::AddRef(void)

    79 {

    80     return ++m_refCount;

    81 }

    82 

    83 ULONG 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 

    94 HRESULT 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 

   105 HRESULT 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 

   116 HRESULT 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 

   127 HRESULT 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 

   138 HRESULT STDMETHODCALLTYPE WebCoreStatistics::javaScriptProtectedObjectTypeCounts( 

   139     /* [retval][out] */ IPropertyBag2** typeNamesAndCounts)

   140 {

   141     JSLock lock(SilenceAssertionsOnly);

   142     OwnPtr<HashCountedSet<const char*> > jsObjectTypeNames(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());

   143     typedef HashCountedSet<const char*>::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 

   154 HRESULT 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 

   163 HRESULT 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 

   172 HRESULT 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 

   181 HRESULT 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 

   190 HRESULT 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 

   199 HRESULT 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 

   208 HRESULT STDMETHODCALLTYPE WebCoreStatistics::purgeInactiveFontData(void)

   209 {

   210     fontCache()->purgeInactiveFontData();

   211     return S_OK;

   212 }

   213 

   214 HRESULT 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 }