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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (C) 2011, 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef InRegionScroller_p_h
#define InRegionScroller_p_h
#include "IntPoint.h"
#include "IntSize.h"
#include <interaction/ScrollViewBase.h>
#include <vector>
namespace WebCore {
class Frame;
class LayerWebKitThread;
class Node;
class RenderBox;
class RenderObject;
class RenderLayer;
}
namespace BlackBerry {
namespace WebKit {
class InRegionScrollableArea;
class WebPagePrivate;
class InRegionScrollerPrivate {
public:
InRegionScrollerPrivate(WebPagePrivate*);
void reset();
void resetSelectionScrollView();
bool isActive() const;
bool setScrollPositionCompositingThread(unsigned camouflagedLayer, const WebCore::IntPoint& scrollPosition);
bool setScrollPositionWebKitThread(unsigned camouflagedLayer, const WebCore::IntPoint& scrollPosition,
bool /*acceleratedScrolling*/, Platform::ScrollViewBase::ScrollTarget);
void calculateInRegionScrollableAreasForPoint(const WebCore::IntPoint&);
const std::vector<Platform::ScrollViewBase*>& activeInRegionScrollableAreas() const;
void updateSelectionScrollView(const WebCore::Node*);
void clearDocumentData(const WebCore::Document*);
static bool canScrollRenderBox(WebCore::RenderBox*);
WebPagePrivate* m_webPage;
bool m_needsActiveScrollableAreaCalculation;
private:
Platform::ScrollViewBase* firstScrollableInRegionForNode(const WebCore::Node*);
bool setLayerScrollPosition(WebCore::RenderLayer*, const WebCore::IntPoint& scrollPosition);
void calculateActiveAndShrinkCachedScrollableAreas(WebCore::RenderLayer*);
void pushBackInRegionScrollable(InRegionScrollableArea*);
void adjustScrollDelta(const WebCore::IntPoint& maxOffset, const WebCore::IntPoint& currentOffset, WebCore::IntSize& delta) const;
Platform::ScrollViewBase* clipAndCreateInRegionScrollableArea(WebCore::RenderLayer*);
bool isValidScrollableLayerWebKitThread(WebCore::LayerWebKitThread*) const;
bool isValidScrollableNode(WebCore::Node*) const;
WebCore::IntRect clipToRect(const WebCore::IntRect&, InRegionScrollableArea*);
std::vector<Platform::ScrollViewBase*> m_activeInRegionScrollableAreas;
Platform::ScrollViewBase* m_selectionScrollView;
};
}
}
#endif
|
