1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Copyright (C) 2013 Research In Motion Limited. 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.
*/
#ifndef ScrollingCoordinatorBlackBerry_h
#define ScrollingCoordinatorBlackBerry_h
#include "ScrollingCoordinator.h"
namespace WebCore {
class ScrollingCoordinatorBlackBerry : public ScrollingCoordinator {
public:
explicit ScrollingCoordinatorBlackBerry(Page*);
// Should be called whenever the given frame view has been laid out.
virtual void frameViewLayoutUpdated(FrameView*);
// Return whether this scrolling coordinator can keep fixed position layers fixed to their
// containers while scrolling.
virtual bool supportsFixedPositionLayers() const { return true; }
// Mark/unmark a layer as a container for fixed position layers.
virtual void setLayerIsContainerForFixedPositionLayers(GraphicsLayer*, bool);
// Attach/detach layer position to ancestor fixed position container.
virtual void setLayerIsFixedToContainerLayer(GraphicsLayer*, bool);
// Whether the layer is fixed the top or bottom edge, left or right edge.
void setLayerFixedToContainerLayerEdge(GraphicsLayer*, bool fixedToTop, bool fixedToLeft);
};
} // namespace WebCore
#endif // ScrollingCoordinatorBlackBerry_h
|
