1 /*
2 * Copyright (C) 2007 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30
31 #ifndef NDEBUG
32
33 #include "GDIObjectCounter.h"
34
35 #include "Logging.h"
36 #include <wtf/text/CString.h>
37
38 #include <windows.h>
39
40 namespace WebCore {
41
GDIObjectCounter(const String & identifier)42 GDIObjectCounter::GDIObjectCounter(const String& identifier)
43 {
44 init(identifier);
45 }
46
GDIObjectCounter(const String & className,void * instance)47 GDIObjectCounter::GDIObjectCounter(const String& className, void* instance)
48 {
49 init(String::format("%s (%p)", className.latin1().data(), instance));
50 }
51
init(const String & identifier)52 void GDIObjectCounter::init(const String& identifier)
53 {
54 m_identifier = identifier;
55 m_startCount = currentGDIObjectsInUse();
56 m_endCount = 0;
57 }
58
~GDIObjectCounter()59 GDIObjectCounter::~GDIObjectCounter()
60 {
61 m_endCount = currentGDIObjectsInUse();
62 int leaked = m_endCount - m_startCount;
63 if (leaked != 0)
64 LOG(PlatformLeaks, "%s: leaked %d GDI object%s!", m_identifier.latin1().data(), leaked, leaked == 1 ? "" : "s");
65 }
66
currentGDIObjectsInUse()67 unsigned GDIObjectCounter::currentGDIObjectsInUse()
68 {
69 return ::GetGuiResources(::GetCurrentProcess(), GR_GDIOBJECTS);
70 }
71
72 } // namespace WebCore
73
74 #endif // !defined(NDEBUG)
75