| /* |
| * 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 |