--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/Screen.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,112 @@
+/*
+ * 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 Computer, 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"
+#include "Screen.h"
+
+#include "FloatRect.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "PlatformScreen.h"
+#include "Widget.h"
+
+namespace WebCore {
+
+Screen::Screen(Frame* frame)
+    : m_frame(frame)
+{
+}
+
+Frame* Screen::frame() const
+{
+    return m_frame;
+}
+
+void Screen::disconnectFrame()
+{
+    m_frame = 0;
+}
+
+unsigned Screen::height() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenRect(m_frame->view()).height());
+}
+
+unsigned Screen::width() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenRect(m_frame->view()).width());
+}
+
+unsigned Screen::colorDepth() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenDepth(m_frame->view()));
+}
+
+unsigned Screen::pixelDepth() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenDepth(m_frame->view()));
+}
+
+unsigned Screen::availLeft() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenAvailableRect(m_frame->view()).x());
+}
+
+unsigned Screen::availTop() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenAvailableRect(m_frame->view()).y());
+}
+
+unsigned Screen::availHeight() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenAvailableRect(m_frame->view()).height());
+}
+
+unsigned Screen::availWidth() const
+{
+    if (!m_frame)
+        return 0;
+    return static_cast<unsigned>(screenAvailableRect(m_frame->view()).width());
+}
+
+} // namespace WebCore