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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef RasterInvalidationTracking_h |
| 6 #define RasterInvalidationTracking_h |
| 7 |
| 8 #include "platform/geometry/IntRect.h" |
| 9 #include "platform/geometry/Region.h" |
| 10 #include "platform/graphics/PaintInvalidationReason.h" |
| 11 #include "platform/json/JSONValues.h" |
| 12 #include "third_party/skia/include/core/SkColor.h" |
| 13 #include "third_party/skia/include/core/SkPicture.h" |
| 14 #include "wtf/Allocator.h" |
| 15 #include "wtf/text/WTFString.h" |
| 16 |
| 17 namespace blink { |
| 18 |
| 19 class DisplayItemClient; |
| 20 |
| 21 struct RasterInvalidationInfo { |
| 22 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| 23 // This is for comparison only. Don't dereference because the client may hav
e died. |
| 24 const DisplayItemClient* client; |
| 25 String clientDebugName; |
| 26 IntRect rect; |
| 27 PaintInvalidationReason reason; |
| 28 RasterInvalidationInfo() : reason(PaintInvalidationFull) {} |
| 29 }; |
| 30 |
| 31 inline bool operator==(const RasterInvalidationInfo& a, const RasterInvalidation
Info& b) |
| 32 { |
| 33 return a.rect == b.rect; |
| 34 } |
| 35 |
| 36 struct UnderPaintInvalidation { |
| 37 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| 38 int x; |
| 39 int y; |
| 40 SkColor oldPixel; |
| 41 SkColor newPixel; |
| 42 }; |
| 43 |
| 44 struct RasterInvalidationTracking { |
| 45 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| 46 Vector<RasterInvalidationInfo> trackedRasterInvalidations; |
| 47 sk_sp<SkPicture> lastPaintedPicture; |
| 48 IntRect lastInterestRect; |
| 49 Region rasterInvalidationRegionSinceLastPaint; |
| 50 Vector<UnderPaintInvalidation> underPaintInvalidations; |
| 51 |
| 52 void asJSON(JSONObject*); |
| 53 }; |
| 54 |
| 55 template <class TargetClass> |
| 56 class RasterInvalidationTrackingMap { |
| 57 public: |
| 58 void asJSON(TargetClass* key, JSONObject* json) |
| 59 { |
| 60 auto it = m_invalidationTrackingMap.find(key); |
| 61 if (it != m_invalidationTrackingMap.end()) |
| 62 it->value.asJSON(json); |
| 63 } |
| 64 |
| 65 void remove(TargetClass* key) |
| 66 { |
| 67 auto it = m_invalidationTrackingMap.find(key); |
| 68 if (it != m_invalidationTrackingMap.end()) |
| 69 m_invalidationTrackingMap.remove(it); |
| 70 } |
| 71 |
| 72 RasterInvalidationTracking& add(TargetClass* key) |
| 73 { |
| 74 return m_invalidationTrackingMap.add(key, RasterInvalidationTracking()).
storedValue->value; |
| 75 } |
| 76 |
| 77 RasterInvalidationTracking* find(TargetClass* key) |
| 78 { |
| 79 auto it = m_invalidationTrackingMap.find(key); |
| 80 if (it == m_invalidationTrackingMap.end()) |
| 81 return nullptr; |
| 82 return &it->value; |
| 83 } |
| 84 |
| 85 private: |
| 86 typedef HashMap<TargetClass*, RasterInvalidationTracking> InvalidationTracki
ngMap; |
| 87 InvalidationTrackingMap m_invalidationTrackingMap; |
| 88 }; |
| 89 |
| 90 } // namespace blink |
| 91 |
| 92 #endif // RasterInvalidationTracking_h |
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