diff -r 000000000000 -r dd21522fd290 webengine/osswebengine/WebKit/win/WebDropSource.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKit/win/WebDropSource.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,119 @@
+/*
+ * 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.
+ *
+ * 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 "WebDropSource.h"
+#include "WebView.h"
+
+#include <WebCore/DragActions.h>
+#include <WebCore/EventHandler.h>
+#include <WebCore/Frame.h>
+#include <WebCore/Page.h>
+#include <WebCore/PlatformMouseEvent.h>
+#include <WebCore/SystemTime.h>
+
+#include <Windows.h>
+
+using namespace WebCore;
+
+
+HRESULT WebDropSource::createInstance(WebView* webView, IDropSource** result)
+{
+    if (!webView || !result)
+        return E_INVALIDARG;
+    *result = new WebDropSource(webView);
+    return S_OK;
+}
+
+WebDropSource::WebDropSource(WebView* webView)
+: m_ref(1)
+, m_dropped(false) 
+, m_webView(webView)
+{
+
+}
+
+STDMETHODIMP WebDropSource::QueryInterface(REFIID riid, void** ppvObject)
+{
+    *ppvObject = 0;
+    if (IsEqualIID(riid, IID_IUnknown) || 
+        IsEqualIID(riid, IID_IDropSource)) {
+        *ppvObject = this;
+        AddRef();
+
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+
+STDMETHODIMP_(ULONG) WebDropSource::AddRef(void)
+{
+    return InterlockedIncrement(&m_ref);
+}
+
+STDMETHODIMP_(ULONG) WebDropSource::Release(void)
+{
+    long c = InterlockedDecrement(&m_ref);
+    if (c == 0)
+        delete this;
+    return c;
+}
+
+PlatformMouseEvent generateMouseEvent(WebView* webView, bool isDrag) {
+    POINTL pt;
+    ::GetCursorPos((LPPOINT)&pt);
+    POINTL localpt = pt;
+    HWND viewWindow;
+    if (SUCCEEDED(webView->viewWindow((OLE_HANDLE*)&viewWindow)))
+        ::ScreenToClient(viewWindow, (LPPOINT)&localpt);
+    return PlatformMouseEvent(IntPoint(localpt.x, localpt.y), IntPoint(pt.x, pt.y),
+        isDrag ? LeftButton : NoButton, MouseEventMoved, 0, false, false, false, false, currentTime());
+}
+
+STDMETHODIMP WebDropSource::QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState)
+{
+    if(fEscapePressed)
+        return DRAGDROP_S_CANCEL;
+
+    if(!(grfKeyState & (MK_LBUTTON|MK_RBUTTON))) {
+        m_dropped = true;
+        if (Page* page = m_webView->page())
+            if (Frame* frame = page->mainFrame()) 
+                //FIXME: We need to figure out how to find out what actually happened in the drag <rdar://problem/5015961>
+                frame->eventHandler()->dragSourceEndedAt(generateMouseEvent(m_webView.get(), false), DragOperationCopy);
+        return DRAGDROP_S_DROP;
+    } else if (Page* page = m_webView->page())
+        if (Frame* frame = page->mainFrame()) 
+            frame->eventHandler()->dragSourceMovedTo(generateMouseEvent(m_webView.get(), true));
+
+    return S_OK;
+
+}
+
+STDMETHODIMP WebDropSource::GiveFeedback(DWORD)
+{
+    return DRAGDROP_S_USEDEFAULTCURSORS;
+}