1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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.
25 */
26
27 #include "config.h"
28 #include "DragController.h"
29
30 #include "DragData.h"
31 #include "SelectionController.h"
32 #include <wtf/RefPtr.h>
33
34 #if PLATFORM(WIN_OS)
35 #include <windows.h>
36 #endif
37
38 namespace WebCore {
39
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;
44
45 const float DragController::DragImageAlpha = 0.75f;
46
dragOperation(DragData * dragData)47 DragOperation 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
51 // attached sheet If this can be determined from within WebCore
52 // operationForDrag can be pulled into WebCore itself
53 ASSERT(dragData);
54 return dragData->containsURL() && !m_didInitiateDrag ? DragOperationCopy : DragOperationNone;
55 }
56
isCopyKeyDown()57 bool DragController::isCopyKeyDown()
58 {
59 // FIXME: This should not be OS specific. Delegate to the embedder instead.
60 #if PLATFORM(WIN_OS)
61 return ::GetAsyncKeyState(VK_CONTROL);
62 #else
63 return false;
64 #endif
65 }
66
maxDragImageSize()67 const IntSize& DragController::maxDragImageSize()
68 {
69 static const IntSize maxDragImageSize(200, 200);
70 return maxDragImageSize;
71 }
72
cleanupAfterSystemDrag()73 void DragController::cleanupAfterSystemDrag()
74 {
75 }
76
77 } // namespace WebCore
78