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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef PaintAggregator_h | 31 #ifndef PaintAggregator_h |
32 #define PaintAggregator_h | 32 #define PaintAggregator_h |
33 | 33 |
34 #include "core/platform/graphics/IntPoint.h" | 34 #include "platform/geometry/IntPoint.h" |
35 #include "core/platform/graphics/IntRect.h" | 35 #include "platform/geometry/IntRect.h" |
36 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
37 | 37 |
38 namespace WebKit { | 38 namespace WebKit { |
39 | 39 |
40 // This class is responsible for aggregating multiple invalidation and scroll | 40 // This class is responsible for aggregating multiple invalidation and scroll |
41 // commands to produce a scroll and repaint sequence. | 41 // commands to produce a scroll and repaint sequence. |
42 class PaintAggregator { | 42 class PaintAggregator { |
43 public: | 43 public: |
44 // This structure describes an aggregation of invalidateRect and scrollRect | 44 // This structure describes an aggregation of invalidateRect and scrollRect |
45 // calls. If |scrollRect| is non-empty, then that rect should be scrolled | 45 // calls. If |scrollRect| is non-empty, then that rect should be scrolled |
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83 bool shouldInvalidateScrollRect(const WebCore::IntRect&) const; | 83 bool shouldInvalidateScrollRect(const WebCore::IntRect&) const; |
84 void invalidateScrollRect(); | 84 void invalidateScrollRect(); |
85 void combinePaintRects(); | 85 void combinePaintRects(); |
86 | 86 |
87 PendingUpdate m_update; | 87 PendingUpdate m_update; |
88 }; | 88 }; |
89 | 89 |
90 } // namespace WebKit | 90 } // namespace WebKit |
91 | 91 |
92 #endif | 92 #endif |
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