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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; |
66 class FloatSize; | 67 class FloatSize; |
67 class JSONArray; | 68 class JSONArray; |
68 class JSONObject; | 69 class JSONObject; |
69 class LayoutItem; | 70 class LayoutItem; |
70 class LayoutViewItem; | 71 class LayoutViewItem; |
71 class LayoutPart; | 72 class LayoutPart; |
72 class LocalFrame; | 73 class LocalFrame; |
73 class KURL; | 74 class KURL; |
74 class Node; | 75 class Node; |
75 class LayoutAnalyzer; | 76 class LayoutAnalyzer; |
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668 | 669 |
669 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } | 670 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } |
670 | 671 |
671 // Returns true if this frame should not render or schedule visual updates. | 672 // Returns true if this frame should not render or schedule visual updates. |
672 bool shouldThrottleRendering() const; | 673 bool shouldThrottleRendering() const; |
673 | 674 |
674 // Returns true if this frame could potentially skip rendering and avoid | 675 // Returns true if this frame could potentially skip rendering and avoid |
675 // scheduling visual updates. | 676 // scheduling visual updates. |
676 bool canThrottleRendering() const; | 677 bool canThrottleRendering() const; |
677 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } | 678 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } |
| 679 void setupRenderThrottling(); |
678 | 680 |
679 // For testing, run pending intersection observer notifications for this | 681 // For testing, run pending intersection observer notifications for this |
680 // frame. | 682 // frame. |
681 void notifyRenderThrottlingObserversForTesting(); | 683 void updateRenderThrottlingStatusForTesting(); |
682 | 684 |
683 // Paint properties for SPv2 Only. | 685 // Paint properties for SPv2 Only. |
684 void setPreTranslation( | 686 void setPreTranslation( |
685 PassRefPtr<TransformPaintPropertyNode> preTranslation) { | 687 PassRefPtr<TransformPaintPropertyNode> preTranslation) { |
686 m_preTranslation = preTranslation; | 688 m_preTranslation = preTranslation; |
687 } | 689 } |
688 TransformPaintPropertyNode* preTranslation() const { | 690 TransformPaintPropertyNode* preTranslation() const { |
689 return m_preTranslation.get(); | 691 return m_preTranslation.get(); |
690 } | 692 } |
691 | 693 |
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912 | 914 |
913 void collectAnnotatedRegions(LayoutObject&, | 915 void collectAnnotatedRegions(LayoutObject&, |
914 Vector<AnnotatedRegionValue>&) const; | 916 Vector<AnnotatedRegionValue>&) const; |
915 | 917 |
916 template <typename Function> | 918 template <typename Function> |
917 void forAllNonThrottledFrameViews(const Function&); | 919 void forAllNonThrottledFrameViews(const Function&); |
918 | 920 |
919 void setNeedsUpdateViewportIntersection(); | 921 void setNeedsUpdateViewportIntersection(); |
920 void updateViewportIntersectionsForSubtree( | 922 void updateViewportIntersectionsForSubtree( |
921 DocumentLifecycle::LifecycleState targetState); | 923 DocumentLifecycle::LifecycleState targetState); |
922 void updateViewportIntersectionIfNeeded(); | 924 void updateRenderThrottlingStatus(bool hidden, bool subtreeThrottled); |
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; | |
968 | 966 |
969 bool m_firstLayout; | 967 bool m_firstLayout; |
970 bool m_isTransparent; | 968 bool m_isTransparent; |
971 Color m_baseBackgroundColor; | 969 Color m_baseBackgroundColor; |
972 IntSize m_lastViewportSize; | 970 IntSize m_lastViewportSize; |
973 float m_lastZoomFactor; | 971 float m_lastZoomFactor; |
974 | 972 |
975 AtomicString m_mediaType; | 973 AtomicString m_mediaType; |
976 AtomicString m_mediaTypeWhenNotPrinting; | 974 AtomicString m_mediaTypeWhenNotPrinting; |
977 | 975 |
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1037 | 1035 |
1038 // Mark if something has changed in the mapping from Frame to GraphicsLayer | 1036 // Mark if something has changed in the mapping from Frame to GraphicsLayer |
1039 // and the Frame Timing regions should be recalculated. | 1037 // and the Frame Timing regions should be recalculated. |
1040 bool m_frameTimingRequestsDirty; | 1038 bool m_frameTimingRequestsDirty; |
1041 | 1039 |
1042 // Exists only on root frame. | 1040 // Exists only on root frame. |
1043 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the | 1041 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the |
1044 // main frame. | 1042 // main frame. |
1045 Member<RootFrameViewport> m_viewportScrollableArea; | 1043 Member<RootFrameViewport> m_viewportScrollableArea; |
1046 | 1044 |
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 | |
1052 // The following members control rendering pipeline throttling for this | 1045 // The following members control rendering pipeline throttling for this |
1053 // frame. They are only updated in response to intersection observer | 1046 // frame. They are only updated in response to intersection observer |
1054 // notifications, i.e., not in the middle of the lifecycle. | 1047 // notifications, i.e., not in the middle of the lifecycle. |
1055 bool m_hiddenForThrottling; | 1048 bool m_hiddenForThrottling; |
1056 bool m_crossOriginForThrottling; | |
1057 bool m_subtreeThrottled; | 1049 bool m_subtreeThrottled; |
1058 | 1050 |
1059 // Paint properties for SPv2 Only. | 1051 // Paint properties for SPv2 Only. |
1060 // The hierarchy of transform subtree created by a FrameView. | 1052 // The hierarchy of transform subtree created by a FrameView. |
1061 // [ preTranslation ] The offset from Widget::frameRect. | 1053 // [ preTranslation ] The offset from Widget::frameRect. |
1062 // | Establishes viewport. | 1054 // | Establishes viewport. |
1063 // +---[ scrollTranslation ] Frame scrolling. | 1055 // +---[ scrollTranslation ] Frame scrolling. |
1064 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is | 1056 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is |
1065 // enabled. | 1057 // enabled. |
1066 RefPtr<TransformPaintPropertyNode> m_preTranslation; | 1058 RefPtr<TransformPaintPropertyNode> m_preTranslation; |
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1083 HeapLinkedHashSet<WeakMember<ScrollableArea>>; | 1075 HeapLinkedHashSet<WeakMember<ScrollableArea>>; |
1084 AnchoringAdjustmentQueue m_anchoringAdjustmentQueue; | 1076 AnchoringAdjustmentQueue m_anchoringAdjustmentQueue; |
1085 | 1077 |
1086 // ScrollbarManager holds the Scrollbar instances. | 1078 // ScrollbarManager holds the Scrollbar instances. |
1087 ScrollbarManager m_scrollbarManager; | 1079 ScrollbarManager m_scrollbarManager; |
1088 | 1080 |
1089 bool m_needsScrollbarsUpdate; | 1081 bool m_needsScrollbarsUpdate; |
1090 bool m_suppressAdjustViewSize; | 1082 bool m_suppressAdjustViewSize; |
1091 bool m_allowsLayoutInvalidationAfterLayoutClean; | 1083 bool m_allowsLayoutInvalidationAfterLayoutClean; |
1092 | 1084 |
| 1085 Member<ElementVisibilityObserver> m_visibilityObserver; |
| 1086 |
1093 // For testing. | 1087 // For testing. |
1094 struct ObjectPaintInvalidation { | 1088 struct ObjectPaintInvalidation { |
1095 String name; | 1089 String name; |
1096 PaintInvalidationReason reason; | 1090 PaintInvalidationReason reason; |
1097 }; | 1091 }; |
1098 std::unique_ptr<Vector<ObjectPaintInvalidation>> | 1092 std::unique_ptr<Vector<ObjectPaintInvalidation>> |
1099 m_trackedObjectPaintInvalidations; | 1093 m_trackedObjectPaintInvalidations; |
1100 | 1094 |
1101 // For Slimming Paint v2 only. | 1095 // For Slimming Paint v2 only. |
1102 std::unique_ptr<PaintController> m_paintController; | 1096 std::unique_ptr<PaintController> m_paintController; |
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1134 widget.isFrameView()); | 1128 widget.isFrameView()); |
1135 DEFINE_TYPE_CASTS(FrameView, | 1129 DEFINE_TYPE_CASTS(FrameView, |
1136 ScrollableArea, | 1130 ScrollableArea, |
1137 scrollableArea, | 1131 scrollableArea, |
1138 scrollableArea->isFrameView(), | 1132 scrollableArea->isFrameView(), |
1139 scrollableArea.isFrameView()); | 1133 scrollableArea.isFrameView()); |
1140 | 1134 |
1141 } // namespace blink | 1135 } // namespace blink |
1142 | 1136 |
1143 #endif // FrameView_h | 1137 #endif // FrameView_h |
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