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
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright (C) 2009, 2010, 2011 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 BackingStore_h
#define BackingStore_h
#include "BlackBerryGlobal.h"
#include <BlackBerryPlatformMisc.h>
namespace WebCore {
class ChromeClientBlackBerry;
class FloatPoint;
class FrameLoaderClientBlackBerry;
class GLES2Context;
class IntRect;
}
namespace BlackBerry {
namespace Platform {
class IntRect;
class FloatPoint;
namespace Graphics {
class Buffer;
}
}
}
namespace BlackBerry {
namespace WebKit {
class WebPage;
class WebPagePrivate;
class WebPageCompositorPrivate;
class BackingStorePrivate;
class BackingStoreClient;
class BLACKBERRY_EXPORT BackingStore {
public:
enum ResumeUpdateOperation { None, Blit, RenderAndBlit };
BackingStore(WebPage*, BackingStoreClient*);
virtual ~BackingStore();
void createSurface();
void suspendBackingStoreUpdates();
void resumeBackingStoreUpdates();
void suspendGeometryUpdates();
void resumeGeometryUpdates();
void suspendScreenUpdates();
void resumeScreenUpdates(BackingStore::ResumeUpdateOperation);
bool isScrollingOrZooming() const;
void setScrollingOrZooming(bool);
void blitVisibleContents();
void repaint(int x, int y, int width, int height, bool contentChanged, bool immediate);
bool hasBlitJobs() const;
void blitOnIdle();
void acquireBackingStoreMemory();
void releaseOwnedBackingStoreMemory();
bool drawContents(BlackBerry::Platform::Graphics::Buffer*, const BlackBerry::Platform::IntRect& dstRect, double scale, const BlackBerry::Platform::FloatPoint& documentScrollPosition);
private:
friend class BlackBerry::WebKit::BackingStoreClient;
friend class BlackBerry::WebKit::BackingStorePrivate;
friend class BlackBerry::WebKit::WebPage;
friend class BlackBerry::WebKit::WebPagePrivate; // FIXME: For now, we expose our internals to WebPagePrivate. See PR #120301.
friend class BlackBerry::WebKit::WebPageCompositorPrivate;
friend class WebCore::ChromeClientBlackBerry;
friend class WebCore::FrameLoaderClientBlackBerry;
friend class WebCore::GLES2Context;
BackingStorePrivate *d;
DISABLE_COPY(BackingStore)
};
}
}
#endif // BackingStore_h
|
