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 COMPUTER, 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 COMPUTER, 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 "DragData.h"
30 #include "windows.h"
31 #include "SelectionController.h"
32 #include <wtf/RefPtr.h>
33 
34 namespace WebCore {
35 
36 const int DragController::LinkDragBorderInset = 2;
37 const int DragController::MaxOriginalImageArea = 1500 * 1500;
38 const int DragController::DragIconRightInset = 7;
39 const int DragController::DragIconBottomInset = 3;
40 
41 const float DragController::DragImageAlpha = 0.75f;
42 
dragOperation(DragData * dragData)43 DragOperation DragController::dragOperation(DragData* dragData)
44 {
45     //FIXME: to match the macos behaviour we should return DragOperationNone
46     //if we are a modal window, we are the drag source, or the window is an attached sheet
47     //If this can be determined from within WebCore operationForDrag can be pulled into
48     //WebCore itself
49     ASSERT(dragData);
50     return dragData->containsURL(0) && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone;
51 }
52 
isCopyKeyDown(DragData *)53 bool DragController::isCopyKeyDown(DragData*)
54 {
55     return ::GetAsyncKeyState(VK_CONTROL);
56 }
57 
maxDragImageSize()58 const IntSize& DragController::maxDragImageSize()
59 {
60     static const IntSize maxDragImageSize(200, 200);
61 
62     return maxDragImageSize;
63 }
64 
cleanupAfterSystemDrag()65 void DragController::cleanupAfterSystemDrag()
66 {
67 }
68 
69 }
70