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1 /* | 1 /* |
2 Copyright (C) 1997 Martin Jones (mjones@kde.org) | 2 Copyright (C) 1997 Martin Jones (mjones@kde.org) |
3 (C) 1998 Waldo Bastian (bastian@kde.org) | 3 (C) 1998 Waldo Bastian (bastian@kde.org) |
4 (C) 1998, 1999 Torben Weis (weis@kde.org) | 4 (C) 1998, 1999 Torben Weis (weis@kde.org) |
5 (C) 1999 Lars Knoll (knoll@kde.org) | 5 (C) 1999 Lars Knoll (knoll@kde.org) |
6 (C) 1999 Antti Koivisto (koivisto@kde.org) | 6 (C) 1999 Antti Koivisto (koivisto@kde.org) |
7 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights | 7 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights |
8 reserved. | 8 reserved. |
9 | 9 |
10 This library is free software; you can redistribute it and/or | 10 This library is free software; you can redistribute it and/or |
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56 #include <memory> | 56 #include <memory> |
57 | 57 |
58 namespace blink { | 58 namespace blink { |
59 | 59 |
60 class AXObjectCache; | 60 class AXObjectCache; |
61 class CancellableTaskFactory; | 61 class CancellableTaskFactory; |
62 class ComputedStyle; | 62 class ComputedStyle; |
63 class DocumentLifecycle; | 63 class DocumentLifecycle; |
64 class Cursor; | 64 class Cursor; |
65 class Element; | 65 class Element; |
66 class ElementVisibilityObserver; | |
67 class FloatSize; | 66 class FloatSize; |
68 class JSONArray; | 67 class JSONArray; |
69 class JSONObject; | 68 class JSONObject; |
70 class LayoutItem; | 69 class LayoutItem; |
71 class LayoutViewItem; | 70 class LayoutViewItem; |
72 class LayoutPart; | 71 class LayoutPart; |
73 class LocalFrame; | 72 class LocalFrame; |
74 class KURL; | 73 class KURL; |
75 class Node; | 74 class Node; |
76 class LayoutAnalyzer; | 75 class LayoutAnalyzer; |
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669 | 668 |
670 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } | 669 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } |
671 | 670 |
672 // Returns true if this frame should not render or schedule visual updates. | 671 // Returns true if this frame should not render or schedule visual updates. |
673 bool shouldThrottleRendering() const; | 672 bool shouldThrottleRendering() const; |
674 | 673 |
675 // Returns true if this frame could potentially skip rendering and avoid | 674 // Returns true if this frame could potentially skip rendering and avoid |
676 // scheduling visual updates. | 675 // scheduling visual updates. |
677 bool canThrottleRendering() const; | 676 bool canThrottleRendering() const; |
678 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } | 677 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } |
679 void setupRenderThrottling(); | |
680 | 678 |
681 // For testing, run pending intersection observer notifications for this | 679 // For testing, run pending intersection observer notifications for this |
682 // frame. | 680 // frame. |
683 void updateRenderThrottlingStatusForTesting(); | 681 void notifyRenderThrottlingObserversForTesting(); |
684 | 682 |
685 // Paint properties for SPv2 Only. | 683 // Paint properties for SPv2 Only. |
686 void setPreTranslation( | 684 void setPreTranslation( |
687 PassRefPtr<TransformPaintPropertyNode> preTranslation) { | 685 PassRefPtr<TransformPaintPropertyNode> preTranslation) { |
688 m_preTranslation = preTranslation; | 686 m_preTranslation = preTranslation; |
689 } | 687 } |
690 TransformPaintPropertyNode* preTranslation() const { | 688 TransformPaintPropertyNode* preTranslation() const { |
691 return m_preTranslation.get(); | 689 return m_preTranslation.get(); |
692 } | 690 } |
693 | 691 |
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914 | 912 |
915 void collectAnnotatedRegions(LayoutObject&, | 913 void collectAnnotatedRegions(LayoutObject&, |
916 Vector<AnnotatedRegionValue>&) const; | 914 Vector<AnnotatedRegionValue>&) const; |
917 | 915 |
918 template <typename Function> | 916 template <typename Function> |
919 void forAllNonThrottledFrameViews(const Function&); | 917 void forAllNonThrottledFrameViews(const Function&); |
920 | 918 |
921 void setNeedsUpdateViewportIntersection(); | 919 void setNeedsUpdateViewportIntersection(); |
922 void updateViewportIntersectionsForSubtree( | 920 void updateViewportIntersectionsForSubtree( |
923 DocumentLifecycle::LifecycleState targetState); | 921 DocumentLifecycle::LifecycleState targetState); |
924 void updateRenderThrottlingStatus(bool hidden, bool subtreeThrottled); | 922 void updateViewportIntersectionIfNeeded(); |
| 923 void notifyRenderThrottlingObservers(); |
| 924 void updateThrottlingStatus(); |
925 void notifyResizeObservers(); | 925 void notifyResizeObservers(); |
926 | 926 |
927 // PaintInvalidationCapableScrollableArea | 927 // PaintInvalidationCapableScrollableArea |
928 LayoutScrollbarPart* resizer() const override { return nullptr; } | 928 LayoutScrollbarPart* resizer() const override { return nullptr; } |
929 | 929 |
930 bool checkLayoutInvalidationIsAllowed() const; | 930 bool checkLayoutInvalidationIsAllowed() const; |
931 | 931 |
932 PaintController* paintController() { return m_paintController.get(); } | 932 PaintController* paintController() { return m_paintController.get(); } |
933 | 933 |
934 LayoutSize m_size; | 934 LayoutSize m_size; |
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956 bool m_hasPendingLayout; | 956 bool m_hasPendingLayout; |
957 LayoutSubtreeRootList m_layoutSubtreeRootList; | 957 LayoutSubtreeRootList m_layoutSubtreeRootList; |
958 DepthOrderedLayoutObjectList m_orthogonalWritingModeRootList; | 958 DepthOrderedLayoutObjectList m_orthogonalWritingModeRootList; |
959 | 959 |
960 bool m_layoutSchedulingEnabled; | 960 bool m_layoutSchedulingEnabled; |
961 bool m_inSynchronousPostLayout; | 961 bool m_inSynchronousPostLayout; |
962 int m_layoutCount; | 962 int m_layoutCount; |
963 unsigned m_nestedLayoutCount; | 963 unsigned m_nestedLayoutCount; |
964 Timer<FrameView> m_postLayoutTasksTimer; | 964 Timer<FrameView> m_postLayoutTasksTimer; |
965 Timer<FrameView> m_updateWidgetsTimer; | 965 Timer<FrameView> m_updateWidgetsTimer; |
| 966 std::unique_ptr<CancellableTaskFactory> |
| 967 m_renderThrottlingObserverNotificationFactory; |
966 | 968 |
967 bool m_firstLayout; | 969 bool m_firstLayout; |
968 bool m_isTransparent; | 970 bool m_isTransparent; |
969 Color m_baseBackgroundColor; | 971 Color m_baseBackgroundColor; |
970 IntSize m_lastViewportSize; | 972 IntSize m_lastViewportSize; |
971 float m_lastZoomFactor; | 973 float m_lastZoomFactor; |
972 | 974 |
973 AtomicString m_mediaType; | 975 AtomicString m_mediaType; |
974 AtomicString m_mediaTypeWhenNotPrinting; | 976 AtomicString m_mediaTypeWhenNotPrinting; |
975 | 977 |
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1035 | 1037 |
1036 // Mark if something has changed in the mapping from Frame to GraphicsLayer | 1038 // Mark if something has changed in the mapping from Frame to GraphicsLayer |
1037 // and the Frame Timing regions should be recalculated. | 1039 // and the Frame Timing regions should be recalculated. |
1038 bool m_frameTimingRequestsDirty; | 1040 bool m_frameTimingRequestsDirty; |
1039 | 1041 |
1040 // Exists only on root frame. | 1042 // Exists only on root frame. |
1041 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the | 1043 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the |
1042 // main frame. | 1044 // main frame. |
1043 Member<RootFrameViewport> m_viewportScrollableArea; | 1045 Member<RootFrameViewport> m_viewportScrollableArea; |
1044 | 1046 |
| 1047 // This frame's bounds in the root frame's content coordinates, clipped |
| 1048 // recursively through every ancestor view. |
| 1049 IntRect m_viewportIntersection; |
| 1050 bool m_viewportIntersectionValid; |
| 1051 |
1045 // The following members control rendering pipeline throttling for this | 1052 // The following members control rendering pipeline throttling for this |
1046 // frame. They are only updated in response to intersection observer | 1053 // frame. They are only updated in response to intersection observer |
1047 // notifications, i.e., not in the middle of the lifecycle. | 1054 // notifications, i.e., not in the middle of the lifecycle. |
1048 bool m_hiddenForThrottling; | 1055 bool m_hiddenForThrottling; |
| 1056 bool m_crossOriginForThrottling; |
1049 bool m_subtreeThrottled; | 1057 bool m_subtreeThrottled; |
1050 | 1058 |
1051 // Paint properties for SPv2 Only. | 1059 // Paint properties for SPv2 Only. |
1052 // The hierarchy of transform subtree created by a FrameView. | 1060 // The hierarchy of transform subtree created by a FrameView. |
1053 // [ preTranslation ] The offset from Widget::frameRect. | 1061 // [ preTranslation ] The offset from Widget::frameRect. |
1054 // | Establishes viewport. | 1062 // | Establishes viewport. |
1055 // +---[ scrollTranslation ] Frame scrolling. | 1063 // +---[ scrollTranslation ] Frame scrolling. |
1056 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is | 1064 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is |
1057 // enabled. | 1065 // enabled. |
1058 RefPtr<TransformPaintPropertyNode> m_preTranslation; | 1066 RefPtr<TransformPaintPropertyNode> m_preTranslation; |
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1075 HeapLinkedHashSet<WeakMember<ScrollableArea>>; | 1083 HeapLinkedHashSet<WeakMember<ScrollableArea>>; |
1076 AnchoringAdjustmentQueue m_anchoringAdjustmentQueue; | 1084 AnchoringAdjustmentQueue m_anchoringAdjustmentQueue; |
1077 | 1085 |
1078 // ScrollbarManager holds the Scrollbar instances. | 1086 // ScrollbarManager holds the Scrollbar instances. |
1079 ScrollbarManager m_scrollbarManager; | 1087 ScrollbarManager m_scrollbarManager; |
1080 | 1088 |
1081 bool m_needsScrollbarsUpdate; | 1089 bool m_needsScrollbarsUpdate; |
1082 bool m_suppressAdjustViewSize; | 1090 bool m_suppressAdjustViewSize; |
1083 bool m_allowsLayoutInvalidationAfterLayoutClean; | 1091 bool m_allowsLayoutInvalidationAfterLayoutClean; |
1084 | 1092 |
1085 Member<ElementVisibilityObserver> m_visibilityObserver; | |
1086 | |
1087 // For testing. | 1093 // For testing. |
1088 struct ObjectPaintInvalidation { | 1094 struct ObjectPaintInvalidation { |
1089 String name; | 1095 String name; |
1090 PaintInvalidationReason reason; | 1096 PaintInvalidationReason reason; |
1091 }; | 1097 }; |
1092 std::unique_ptr<Vector<ObjectPaintInvalidation>> | 1098 std::unique_ptr<Vector<ObjectPaintInvalidation>> |
1093 m_trackedObjectPaintInvalidations; | 1099 m_trackedObjectPaintInvalidations; |
1094 | 1100 |
1095 // For Slimming Paint v2 only. | 1101 // For Slimming Paint v2 only. |
1096 std::unique_ptr<PaintController> m_paintController; | 1102 std::unique_ptr<PaintController> m_paintController; |
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1128 widget.isFrameView()); | 1134 widget.isFrameView()); |
1129 DEFINE_TYPE_CASTS(FrameView, | 1135 DEFINE_TYPE_CASTS(FrameView, |
1130 ScrollableArea, | 1136 ScrollableArea, |
1131 scrollableArea, | 1137 scrollableArea, |
1132 scrollableArea->isFrameView(), | 1138 scrollableArea->isFrameView(), |
1133 scrollableArea.isFrameView()); | 1139 scrollableArea.isFrameView()); |
1134 | 1140 |
1135 } // namespace blink | 1141 } // namespace blink |
1136 | 1142 |
1137 #endif // FrameView_h | 1143 #endif // FrameView_h |
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