1 files changed, 89 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/WebCoreSupport/win/WebDragClientWin.cpp b/Source/WebKit2/WebProcess/WebCoreSupport/win/WebDragClientWin.cpp
new file mode 100644
index 0000000..7381096
--- /dev/null
+++ b/Source/WebKit2/WebProcess/WebCoreSupport/win/WebDragClientWin.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2011 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 INC. 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 INC. 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 "WebDragClient.h"
+
+#include "ShareableBitmap.h"
+#include "WebCoreArgumentCoders.h"
+#include "WebPage.h"
+#include "WebPageProxyMessages.h"
+#include <WebCore/BitmapInfo.h>
+#include <WebCore/COMPtr.h>
+#include <WebCore/ClipboardWin.h>
+#include <WebCore/DragController.h>
+#include <WebCore/Frame.h>
+#include <WebCore/GraphicsContext.h>
+#include <WebCore/Page.h>
+#include <shlobj.h>
+
+using namespace WebCore;
+
+namespace WebKit {
+
+static DWORD draggingSourceOperationMaskToDragCursors(DragOperation op)
+{
+    DWORD result = DROPEFFECT_NONE;
+    if (op == DragOperationEvery)
+        return DROPEFFECT_COPY | DROPEFFECT_LINK | DROPEFFECT_MOVE; 
+    if (op & DragOperationCopy)
+        result |= DROPEFFECT_COPY; 
+    if (op & DragOperationLink)
+        result |= DROPEFFECT_LINK; 
+    if (op & DragOperationMove)
+        result |= DROPEFFECT_MOVE;
+    if (op & DragOperationGeneric)
+        result |= DROPEFFECT_MOVE;
+    return result;
+}
+
+void WebDragClient::startDrag(DragImageRef image, const IntPoint& imageOrigin, const IntPoint& dragPoint, Clipboard* clipboard, Frame* frame, bool isLink)
+{
+    COMPtr<IDataObject> dataObject = static_cast<ClipboardWin*>(clipboard)->dataObject();
+
+    if (!dataObject)
+        return;
+
+    OwnPtr<HDC> bitmapDC(CreateCompatibleDC(0));
+    BITMAPINFO bitmapInfo = {0};
+    bitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+    GetDIBits(bitmapDC.get(), image, 0, 0, 0, &bitmapInfo, DIB_RGB_COLORS);
+    if (bitmapInfo.bmiHeader.biSizeImage <= 0)
+        bitmapInfo.bmiHeader.biSizeImage = bitmapInfo.bmiHeader.biWidth * abs(bitmapInfo.bmiHeader.biHeight) * (bitmapInfo.bmiHeader.biBitCount + 7) / 8;
+    
+    RefPtr<SharedMemory> memoryBuffer = SharedMemory::create(bitmapInfo.bmiHeader.biSizeImage);
+
+    bitmapInfo.bmiHeader.biCompression = BI_RGB;
+    GetDIBits(bitmapDC.get(), image, 0, bitmapInfo.bmiHeader.biHeight, memoryBuffer->data(), &bitmapInfo, DIB_RGB_COLORS);       
+
+    SharedMemory::Handle handle;
+    if (!memoryBuffer->createHandle(handle, SharedMemory::ReadOnly))
+        return;
+    DWORD okEffect = draggingSourceOperationMaskToDragCursors(m_page->corePage()->dragController()->sourceDragOperation());
+    DragData dragData(dataObject.get(), IntPoint(), IntPoint(), DragOperationNone);
+    m_page->send(Messages::WebPageProxy::StartDragDrop(imageOrigin, dragPoint, okEffect, dragData.dragDataMap(), IntSize(bitmapInfo.bmiHeader.biWidth, bitmapInfo.bmiHeader.biHeight), handle, isLink), m_page->pageID());
+}
+
+} // namespace WebKit