1/* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "DragController.h" 28 29#include "DataTransfer.h" 30#include "DragData.h" 31#include "Element.h" 32#include "FrameSelection.h" 33#include "Pasteboard.h" 34#include "markup.h" 35#include "windows.h" 36#include <wtf/RefPtr.h> 37 38namespace WebCore { 39 40const int DragController::LinkDragBorderInset = 2; 41const int DragController::MaxOriginalImageArea = 1500 * 1500; 42const int DragController::DragIconRightInset = 7; 43const int DragController::DragIconBottomInset = 3; 44 45const float DragController::DragImageAlpha = 0.75f; 46 47DragOperation DragController::dragOperation(DragData& dragData) 48{ 49 //FIXME: to match the macos behaviour we should return DragOperationNone 50 //if we are a modal window, we are the drag source, or the window is an attached sheet 51 //If this can be determined from within WebCore operationForDrag can be pulled into 52 //WebCore itself 53 return dragData.containsURL(0) && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone; 54} 55 56bool DragController::isCopyKeyDown(DragData&) 57{ 58 return ::GetAsyncKeyState(VK_CONTROL); 59} 60 61const IntSize& DragController::maxDragImageSize() 62{ 63 static const IntSize maxDragImageSize(200, 200); 64 65 return maxDragImageSize; 66} 67 68void DragController::cleanupAfterSystemDrag() 69{ 70} 71 72void DragController::declareAndWriteDragImage(DataTransfer& dataTransfer, Element& element, const URL& url, const String& label) 73{ 74 Pasteboard& pasteboard = dataTransfer.pasteboard(); 75 76 // FIXME: Do we really need this check? 77 if (!pasteboard.writableDataObject()) 78 return; 79 80 // Order is important here for Explorer's sake 81 pasteboard.writeURLToWritableDataObject(url, label); 82 pasteboard.writeImageToDataObject(element, url); 83 pasteboard.writeMarkup(createMarkup(element, IncludeNode, 0, ResolveAllURLs)); 84} 85 86} 87