1 files changed, 74 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/GDIObjectCounter.cpp b/Source/WebCore/platform/win/GDIObjectCounter.cpp
new file mode 100644
index 000000000..a939f2b52
--- /dev/null
+++ b/Source/WebCore/platform/win/GDIObjectCounter.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#ifndef NDEBUG
+
+#include "GDIObjectCounter.h"
+
+#include "Logging.h"
+#include <wtf/text/CString.h>
+
+#include <windows.h>
+
+namespace WebCore {
+
+GDIObjectCounter::GDIObjectCounter(const String& identifier)
+{
+    init(identifier);
+}
+
+GDIObjectCounter::GDIObjectCounter(const String& className, void* instance)
+{
+    init(String::format("%s (%p)", className.latin1().data(), instance));
+}
+
+void GDIObjectCounter::init(const String& identifier)
+{
+    m_identifier = identifier;
+    m_startCount = currentGDIObjectsInUse();
+    m_endCount = 0;
+}
+
+GDIObjectCounter::~GDIObjectCounter()
+{
+    m_endCount = currentGDIObjectsInUse();
+    int leaked = m_endCount - m_startCount;
+    if (leaked != 0)
+        LOG(PlatformLeaks, "%s: leaked %d GDI object%s!", m_identifier.latin1().data(), leaked, leaked == 1 ? "" : "s");
+}
+
+unsigned GDIObjectCounter::currentGDIObjectsInUse()
+{
+    return ::GetGuiResources(::GetCurrentProcess(), GR_GDIOBJECTS);
+}
+
+} // namespace WebCore
+
+#endif // !defined(NDEBUG)