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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 reserv
ed. | 7 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserv
ed. |
8 | 8 |
9 This library is free software; you can redistribute it and/or | 9 This library is free software; you can redistribute it and/or |
10 modify it under the terms of the GNU Library General Public | 10 modify it under the terms of the GNU Library General Public |
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54 class LocalFrame; | 54 class LocalFrame; |
55 class KURL; | 55 class KURL; |
56 class Node; | 56 class Node; |
57 class Page; | 57 class Page; |
58 class LayoutBox; | 58 class LayoutBox; |
59 class LayoutEmbeddedObject; | 59 class LayoutEmbeddedObject; |
60 class LayoutObject; | 60 class LayoutObject; |
61 class LayoutScrollbarPart; | 61 class LayoutScrollbarPart; |
62 class LayoutView; | 62 class LayoutView; |
63 class ScrollingCoordinator; | 63 class ScrollingCoordinator; |
64 struct CompositedSelectionBound; | 64 struct CompositedSelectionBounds; |
65 | 65 |
66 typedef unsigned long long DOMTimeStamp; | 66 typedef unsigned long long DOMTimeStamp; |
67 | 67 |
68 class FrameView final : public Widget, public ScrollableArea { | 68 class FrameView final : public Widget, public ScrollableArea { |
69 public: | 69 public: |
70 friend class LayoutView; | 70 friend class LayoutView; |
71 friend class Internals; | 71 friend class Internals; |
72 | 72 |
73 static PassRefPtrWillBeRawPtr<FrameView> create(LocalFrame*); | 73 static PassRefPtrWillBeRawPtr<FrameView> create(LocalFrame*); |
74 static PassRefPtrWillBeRawPtr<FrameView> create(LocalFrame*, const IntSize&
initialSize); | 74 static PassRefPtrWillBeRawPtr<FrameView> create(LocalFrame*, const IntSize&
initialSize); |
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662 void scheduleUpdateWidgetsIfNecessary(); | 662 void scheduleUpdateWidgetsIfNecessary(); |
663 void updateWidgetsTimerFired(Timer<FrameView>*); | 663 void updateWidgetsTimerFired(Timer<FrameView>*); |
664 bool updateWidgets(); | 664 bool updateWidgets(); |
665 | 665 |
666 void scrollToAnchor(); | 666 void scrollToAnchor(); |
667 void scrollPositionChanged(); | 667 void scrollPositionChanged(); |
668 void didScrollTimerFired(Timer<FrameView>*); | 668 void didScrollTimerFired(Timer<FrameView>*); |
669 | 669 |
670 void updateLayersAndCompositingAfterScrollIfNeeded(); | 670 void updateLayersAndCompositingAfterScrollIfNeeded(); |
671 | 671 |
672 static bool computeCompositedSelectionBounds(LocalFrame&, CompositedSelectio
nBound& start, CompositedSelectionBound& end); | 672 static bool computeCompositedSelectionBounds(LocalFrame&, CompositedSelectio
nBounds&); |
673 void updateCompositedSelectionBoundsIfNeeded(); | 673 void updateCompositedSelectionBoundsIfNeeded(); |
674 | 674 |
675 // Returns true if the FrameView's own scrollbars overlay its content when v
isible. | 675 // Returns true if the FrameView's own scrollbars overlay its content when v
isible. |
676 bool hasOverlayScrollbars() const; | 676 bool hasOverlayScrollbars() const; |
677 | 677 |
678 // Returns true if the frame should use custom scrollbars. If true, one of | 678 // Returns true if the frame should use custom scrollbars. If true, one of |
679 // either |customScrollbarElement| or |customScrollbarFrame| will be set to | 679 // either |customScrollbarElement| or |customScrollbarFrame| will be set to |
680 // the element or frame which owns the scrollbar with the other set to null. | 680 // the element or frame which owns the scrollbar with the other set to null. |
681 bool shouldUseCustomScrollbars(Element*& customScrollbarElement, LocalFrame*
& customScrollbarFrame) const; | 681 bool shouldUseCustomScrollbars(Element*& customScrollbarElement, LocalFrame*
& customScrollbarFrame) const; |
682 | 682 |
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860 static const unsigned visualPixelThreshold = 32 * 32; | 860 static const unsigned visualPixelThreshold = 32 * 32; |
861 if (m_visuallyNonEmptyPixelCount > visualPixelThreshold) | 861 if (m_visuallyNonEmptyPixelCount > visualPixelThreshold) |
862 setIsVisuallyNonEmpty(); | 862 setIsVisuallyNonEmpty(); |
863 } | 863 } |
864 | 864 |
865 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFra
meView()); | 865 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFra
meView()); |
866 | 866 |
867 } // namespace blink | 867 } // namespace blink |
868 | 868 |
869 #endif // FrameView_h | 869 #endif // FrameView_h |
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