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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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674 // Returns true if this frame could potentially skip rendering and avoid | 674 // Returns true if this frame could potentially skip rendering and avoid |
675 // scheduling visual updates. | 675 // scheduling visual updates. |
676 bool canThrottleRendering() const; | 676 bool canThrottleRendering() const; |
677 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } | 677 bool isHiddenForThrottling() const { return m_hiddenForThrottling; } |
678 void setupRenderThrottling(); | 678 void setupRenderThrottling(); |
679 | 679 |
680 // For testing, run pending intersection observer notifications for this | 680 // For testing, run pending intersection observer notifications for this |
681 // frame. | 681 // frame. |
682 void updateRenderThrottlingStatusForTesting(); | 682 void updateRenderThrottlingStatusForTesting(); |
683 | 683 |
| 684 void beginLifecycleUpdates(); |
| 685 |
684 // Paint properties for SPv2 Only. | 686 // Paint properties for SPv2 Only. |
685 void setPreTranslation( | 687 void setPreTranslation( |
686 PassRefPtr<TransformPaintPropertyNode> preTranslation) { | 688 PassRefPtr<TransformPaintPropertyNode> preTranslation) { |
687 m_preTranslation = preTranslation; | 689 m_preTranslation = preTranslation; |
688 } | 690 } |
689 TransformPaintPropertyNode* preTranslation() const { | 691 TransformPaintPropertyNode* preTranslation() const { |
690 return m_preTranslation.get(); | 692 return m_preTranslation.get(); |
691 } | 693 } |
692 | 694 |
693 void setScrollTranslation( | 695 void setScrollTranslation( |
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830 ScrollbarMode& hMode, | 832 ScrollbarMode& hMode, |
831 ScrollbarMode& vMode); | 833 ScrollbarMode& vMode); |
832 | 834 |
833 void updateCounters(); | 835 void updateCounters(); |
834 void forceLayoutParentViewIfNeeded(); | 836 void forceLayoutParentViewIfNeeded(); |
835 void performPreLayoutTasks(); | 837 void performPreLayoutTasks(); |
836 void performLayout(bool inSubtreeLayout); | 838 void performLayout(bool inSubtreeLayout); |
837 void scheduleOrPerformPostLayoutTasks(); | 839 void scheduleOrPerformPostLayoutTasks(); |
838 void performPostLayoutTasks(); | 840 void performPostLayoutTasks(); |
839 | 841 |
| 842 void maybeRecordLoadReason(); |
| 843 |
840 DocumentLifecycle& lifecycle() const; | 844 DocumentLifecycle& lifecycle() const; |
841 | 845 |
842 void contentsResized() override; | 846 void contentsResized() override; |
843 void scrollbarExistenceDidChange(); | 847 void scrollbarExistenceDidChange(); |
844 | 848 |
845 // Override Widget methods to do point conversion via layoutObjects, in order | 849 // Override Widget methods to do point conversion via layoutObjects, in order |
846 // to take transforms into account. | 850 // to take transforms into account. |
847 IntRect convertToContainingWidget(const IntRect&) const override; | 851 IntRect convertToContainingWidget(const IntRect&) const override; |
848 IntRect convertFromContainingWidget(const IntRect&) const override; | 852 IntRect convertFromContainingWidget(const IntRect&) const override; |
849 IntPoint convertToContainingWidget(const IntPoint&) const override; | 853 IntPoint convertToContainingWidget(const IntPoint&) const override; |
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1039 // Exists only on root frame. | 1043 // Exists only on root frame. |
1040 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the | 1044 // TODO(bokan): crbug.com/484188. We should specialize FrameView for the |
1041 // main frame. | 1045 // main frame. |
1042 Member<RootFrameViewport> m_viewportScrollableArea; | 1046 Member<RootFrameViewport> m_viewportScrollableArea; |
1043 | 1047 |
1044 // The following members control rendering pipeline throttling for this | 1048 // The following members control rendering pipeline throttling for this |
1045 // frame. They are only updated in response to intersection observer | 1049 // frame. They are only updated in response to intersection observer |
1046 // notifications, i.e., not in the middle of the lifecycle. | 1050 // notifications, i.e., not in the middle of the lifecycle. |
1047 bool m_hiddenForThrottling; | 1051 bool m_hiddenForThrottling; |
1048 bool m_subtreeThrottled; | 1052 bool m_subtreeThrottled; |
| 1053 bool m_lifecycleUpdatesThrottled; |
1049 | 1054 |
1050 // Paint properties for SPv2 Only. | 1055 // Paint properties for SPv2 Only. |
1051 // The hierarchy of transform subtree created by a FrameView. | 1056 // The hierarchy of transform subtree created by a FrameView. |
1052 // [ preTranslation ] The offset from Widget::frameRect. | 1057 // [ preTranslation ] The offset from Widget::frameRect. |
1053 // | Establishes viewport. | 1058 // | Establishes viewport. |
1054 // +---[ scrollTranslation ] Frame scrolling. | 1059 // +---[ scrollTranslation ] Frame scrolling. |
1055 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is | 1060 // TODO(trchen): These will not be needed once settings->rootLayerScrolls() is |
1056 // enabled. | 1061 // enabled. |
1057 RefPtr<TransformPaintPropertyNode> m_preTranslation; | 1062 RefPtr<TransformPaintPropertyNode> m_preTranslation; |
1058 RefPtr<TransformPaintPropertyNode> m_scrollTranslation; | 1063 RefPtr<TransformPaintPropertyNode> m_scrollTranslation; |
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1127 widget.isFrameView()); | 1132 widget.isFrameView()); |
1128 DEFINE_TYPE_CASTS(FrameView, | 1133 DEFINE_TYPE_CASTS(FrameView, |
1129 ScrollableArea, | 1134 ScrollableArea, |
1130 scrollableArea, | 1135 scrollableArea, |
1131 scrollableArea->isFrameView(), | 1136 scrollableArea->isFrameView(), |
1132 scrollableArea.isFrameView()); | 1137 scrollableArea.isFrameView()); |
1133 | 1138 |
1134 } // namespace blink | 1139 } // namespace blink |
1135 | 1140 |
1136 #endif // FrameView_h | 1141 #endif // FrameView_h |
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