--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/chromium/DragControllerChromium.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2008 Google Inc.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "DragController.h"
+
+#include "DragData.h"
+#include "SelectionController.h"
+#include <wtf/RefPtr.h>
+
+#if OS(WINDOWS)
+#include <windows.h>
+#endif
+
+namespace WebCore {
+
+const int DragController::LinkDragBorderInset = 2;
+const int DragController::MaxOriginalImageArea = 1500 * 1500;
+const int DragController::DragIconRightInset = 7;
+const int DragController::DragIconBottomInset = 3;
+
+const float DragController::DragImageAlpha = 0.75f;
+
+DragOperation DragController::dragOperation(DragData* dragData)
+{
+    // FIXME: To match the MacOS behaviour we should return DragOperationNone
+    // if we are a modal window, we are the drag source, or the window is an
+    // attached sheet If this can be determined from within WebCore
+    // operationForDrag can be pulled into WebCore itself
+    ASSERT(dragData);
+    return dragData->containsURL() && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone;
+}
+
+bool DragController::isCopyKeyDown()
+{
+    // FIXME: This should not be OS specific.  Delegate to the embedder instead.
+#if OS(WINDOWS)
+    return ::GetAsyncKeyState(VK_CONTROL);
+#else
+    return false;
+#endif
+}
+    
+const IntSize& DragController::maxDragImageSize()
+{
+#if OS(DARWIN)
+    // Match Safari's drag image size.
+    static const IntSize maxDragImageSize(400, 400);
+#else
+    static const IntSize maxDragImageSize(200, 200);
+#endif
+    return maxDragImageSize;
+}
+
+void DragController::cleanupAfterSystemDrag()
+{
+}
+
+} // namespace WebCore