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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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| 366 bool usesCompositedScrolling() const override; | 366 bool usesCompositedScrolling() const override; |
| 367 bool shouldScrollOnMainThread() const override; | 367 bool shouldScrollOnMainThread() const override; |
| 368 GraphicsLayer* layerForScrolling() const override; | 368 GraphicsLayer* layerForScrolling() const override; |
| 369 GraphicsLayer* layerForHorizontalScrollbar() const override; | 369 GraphicsLayer* layerForHorizontalScrollbar() const override; |
| 370 GraphicsLayer* layerForVerticalScrollbar() const override; | 370 GraphicsLayer* layerForVerticalScrollbar() const override; |
| 371 GraphicsLayer* layerForScrollCorner() const override; | 371 GraphicsLayer* layerForScrollCorner() const override; |
| 372 int scrollSize(ScrollbarOrientation) const override; | 372 int scrollSize(ScrollbarOrientation) const override; |
| 373 bool isScrollCornerVisible() const override; | 373 bool isScrollCornerVisible() const override; |
| 374 bool userInputScrollable(ScrollbarOrientation) const override; | 374 bool userInputScrollable(ScrollbarOrientation) const override; |
| 375 bool shouldPlaceVerticalScrollbarOnLeft() const override; | 375 bool shouldPlaceVerticalScrollbarOnLeft() const override; |
| 376 Widget* widget() override; | 376 Widget* getWidget() override; |
| 377 | 377 |
| 378 LayoutRect scrollIntoView( | 378 LayoutRect scrollIntoView( |
| 379 const LayoutRect& rectInContent, | 379 const LayoutRect& rectInContent, |
| 380 const ScrollAlignment& alignX, | 380 const ScrollAlignment& alignX, |
| 381 const ScrollAlignment& alignY, | 381 const ScrollAlignment& alignY, |
| 382 ScrollType = ProgrammaticScroll) override; | 382 ScrollType = ProgrammaticScroll) override; |
| 383 | 383 |
| 384 // The window that hosts the FrameView. The FrameView will communicate scrol
ls and repaints to the | 384 // The window that hosts the FrameView. The FrameView will communicate scrol
ls and repaints to the |
| 385 // host window in the window's coordinate space. | 385 // host window in the window's coordinate space. |
| 386 HostWindow* hostWindow() const; | 386 HostWindow* getHostWindow() const; |
| 387 | 387 |
| 388 // Returns a clip rect in host window coordinates. Used to clip the blit on
a scroll. | 388 // Returns a clip rect in host window coordinates. Used to clip the blit on
a scroll. |
| 389 IntRect windowClipRect(IncludeScrollbarsInRect = ExcludeScrollbars) const; | 389 IntRect windowClipRect(IncludeScrollbarsInRect = ExcludeScrollbars) const; |
| 390 | 390 |
| 391 typedef WillBeHeapHashSet<RefPtrWillBeMember<Widget>> ChildrenWidgetSet; | 391 typedef WillBeHeapHashSet<RefPtrWillBeMember<Widget>> ChildrenWidgetSet; |
| 392 | 392 |
| 393 // Functions for child manipulation and inspection. | 393 // Functions for child manipulation and inspection. |
| 394 void setParent(Widget*) override; | 394 void setParent(Widget*) override; |
| 395 void removeChild(Widget*); | 395 void removeChild(Widget*); |
| 396 void addChild(PassRefPtrWillBeRawPtr<Widget>); | 396 void addChild(PassRefPtrWillBeRawPtr<Widget>); |
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| 541 bool isFrameView() const override { return true; } | 541 bool isFrameView() const override { return true; } |
| 542 | 542 |
| 543 DECLARE_VIRTUAL_TRACE(); | 543 DECLARE_VIRTUAL_TRACE(); |
| 544 void notifyPageThatContentAreaWillPaint() const; | 544 void notifyPageThatContentAreaWillPaint() const; |
| 545 FrameView* parentFrameView() const; | 545 FrameView* parentFrameView() const; |
| 546 | 546 |
| 547 // Returns the scrollable area for the frame. For the root frame, this will | 547 // Returns the scrollable area for the frame. For the root frame, this will |
| 548 // be the RootFrameViewport, which adds pinch-zoom semantics to scrolling. | 548 // be the RootFrameViewport, which adds pinch-zoom semantics to scrolling. |
| 549 // For non-root frames, this will be the the ScrollableArea used by the | 549 // For non-root frames, this will be the the ScrollableArea used by the |
| 550 // FrameView, depending on whether root-layer-scrolls is enabled. | 550 // FrameView, depending on whether root-layer-scrolls is enabled. |
| 551 ScrollableArea* scrollableArea(); | 551 ScrollableArea* getScrollableArea(); |
| 552 | 552 |
| 553 // Used to get at the underlying layoutViewport in the rare instances where | 553 // Used to get at the underlying layoutViewport in the rare instances where |
| 554 // we actually want to scroll *just* the layout viewport (e.g. when sending | 554 // we actually want to scroll *just* the layout viewport (e.g. when sending |
| 555 // deltas from CC). For typical scrolling cases, use scrollableArea(). | 555 // deltas from CC). For typical scrolling cases, use getScrollableArea(). |
| 556 ScrollableArea* layoutViewportScrollableArea(); | 556 ScrollableArea* layoutViewportScrollableArea(); |
| 557 | 557 |
| 558 int viewportWidth() const; | 558 int viewportWidth() const; |
| 559 | 559 |
| 560 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } | 560 LayoutAnalyzer* layoutAnalyzer() { return m_analyzer.get(); } |
| 561 | 561 |
| 562 // Returns true if the default scrolling direction is vertical. i.e. writing
mode | 562 // Returns true if the default scrolling direction is vertical. i.e. writing
mode |
| 563 // is horiziontal. In a vertical document, a spacebar scrolls down. | 563 // is horiziontal. In a vertical document, a spacebar scrolls down. |
| 564 bool isVerticalDocument() const; | 564 bool isVerticalDocument() const; |
| 565 | 565 |
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| 927 if (m_visuallyNonEmptyPixelCount > visualPixelThreshold) | 927 if (m_visuallyNonEmptyPixelCount > visualPixelThreshold) |
| 928 setIsVisuallyNonEmpty(); | 928 setIsVisuallyNonEmpty(); |
| 929 } | 929 } |
| 930 | 930 |
| 931 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFra
meView()); | 931 DEFINE_TYPE_CASTS(FrameView, Widget, widget, widget->isFrameView(), widget.isFra
meView()); |
| 932 DEFINE_TYPE_CASTS(FrameView, ScrollableArea, scrollableArea, scrollableArea->isF
rameView(), scrollableArea.isFrameView()); | 932 DEFINE_TYPE_CASTS(FrameView, ScrollableArea, scrollableArea, scrollableArea->isF
rameView(), scrollableArea.isFrameView()); |
| 933 | 933 |
| 934 } // namespace blink | 934 } // namespace blink |
| 935 | 935 |
| 936 #endif // FrameView_h | 936 #endif // FrameView_h |
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