2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Google Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include "DragController.h"
31 #include "FrameSelection.h"
32 #include <wtf/RefPtr.h>
40 const int DragController::LinkDragBorderInset = 2;
41 const int DragController::MaxOriginalImageArea = 1500 * 1500;
42 const int DragController::DragIconRightInset = 7;
43 const int DragController::DragIconBottomInset = 3;
45 const float DragController::DragImageAlpha = 0.75f;
47 DragOperation DragController::dragOperation(DragData* dragData)
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
51 // attached sheet If this can be determined from within WebCore
52 // operationForDrag can be pulled into WebCore itself
54 return dragData->containsURL(0) && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone;
57 bool DragController::isCopyKeyDown(DragData*)
59 // FIXME: This should not be OS specific. Delegate to the embedder instead.
61 return ::GetAsyncKeyState(VK_CONTROL);
67 const IntSize& DragController::maxDragImageSize()
70 // Match Safari's drag image size.
71 static const IntSize maxDragImageSize(400, 400);
73 static const IntSize maxDragImageSize(200, 200);
75 return maxDragImageSize;
78 void DragController::cleanupAfterSystemDrag()
82 } // namespace WebCore