author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 24 Sep 2009 12:53:48 +0300 | |
changeset 11 | c8a366e56285 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef ScrollView_h |
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#define ScrollView_h |
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#include "IntRect.h" |
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#include "ScrollTypes.h" |
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#include "Widget.h" |
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#include <wtf/HashSet.h> |
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#if PLATFORM(GTK) |
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typedef struct _GtkAdjustment GtkAdjustment; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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class MScrollView; |
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#endif |
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#if PLATFORM(WIN) |
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typedef struct HRGN__* HRGN; |
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#endif |
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namespace WebCore { |
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class FloatRect; |
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class IntRect; |
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class PlatformWheelEvent; |
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class PlatformScrollbar; |
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class ScrollView : public Widget { |
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public: |
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int visibleWidth() const; |
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int visibleHeight() const; |
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FloatRect visibleContentRect() const; |
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FloatRect visibleContentRectConsideringExternalScrollers() const; |
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int contentsWidth() const; |
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int contentsHeight() const; |
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int contentsX() const; |
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int contentsY() const; |
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IntSize scrollOffset() const; |
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void scrollBy(int dx, int dy); |
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virtual void scrollRectIntoViewRecursively(const IntRect&); |
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virtual void setContentsPos(int x, int y); |
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virtual void setVScrollbarMode(ScrollbarMode); |
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virtual void setHScrollbarMode(ScrollbarMode); |
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// Set the mode for both scrollbars at once. |
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virtual void setScrollbarsMode(ScrollbarMode); |
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// This gives us a means of blocking painting on our scrollbars until the first layout has occurred. |
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void suppressScrollbars(bool suppressed, bool repaintOnUnsuppress = false); |
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ScrollbarMode vScrollbarMode() const; |
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ScrollbarMode hScrollbarMode() const; |
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void addChild(Widget*); |
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void removeChild(Widget*); |
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virtual void resizeContents(int w, int h); |
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void updateContents(const IntRect&, bool now = false); |
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void update(); |
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// Event coordinates are assumed to be in the coordinate space of a window that contains |
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// the entire widget hierarchy. It is up to the platform to decide what the precise definition |
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// of containing window is. (For example on Mac it is the containing NSWindow.) |
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IntPoint windowToContents(const IntPoint&) const; |
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IntPoint contentsToWindow(const IntPoint&) const; |
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#if PLATFORM(MAC) |
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// On Mac only because of flipped NSWindow y-coordinates, we have to have a special implementation. |
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IntRect windowToContents(const IntRect&) const; |
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IntRect contentsToWindow(const IntRect&) const; |
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#else |
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// Other platforms can just implement these helper methods using the corresponding point conversion methods. |
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IntRect contentsToWindow(const IntRect& rect) const { return IntRect(contentsToWindow(rect.location()), rect.size()); } |
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IntRect windowToContents(const IntRect& rect) const { return IntRect(windowToContents(rect.location()), rect.size()); } |
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#endif |
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void setStaticBackground(bool); |
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bool inWindow() const; |
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// For platforms that need to hit test scrollbars from within the engine's event handlers (like Win32). |
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PlatformScrollbar* scrollbarUnderMouse(const PlatformMouseEvent& mouseEvent); |
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// This method exists for scrollviews that need to handle wheel events manually. |
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// On Mac the underlying NSScrollView just does the scrolling, but on other platforms |
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// (like Windows), we need this method in order to do the scroll ourselves. |
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void wheelEvent(PlatformWheelEvent&); |
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void scroll(ScrollDirection, ScrollGranularity); |
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#if PLATFORM(MAC) |
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NSView* getDocumentView() const; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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MScrollView& getDocumentView() const; |
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#endif |
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#if PLATFORM(WIN) |
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ScrollView(); |
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~ScrollView(); |
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virtual void paint(GraphicsContext*, const IntRect&); |
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virtual void themeChanged(); |
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virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const; |
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virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const; |
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virtual void geometryChanged() const; |
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virtual void setFrameGeometry(const IntRect&); |
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IntRect windowResizerRect(); |
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bool resizerOverlapsContent() const; |
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void adjustOverlappingScrollbarCount(int overlapDelta); |
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virtual void setParent(ScrollView*); |
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void addToDirtyRegion(const IntRect&); |
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void scrollBackingStore(int dx, int dy, const IntRect& scrollViewRect, const IntRect& clipRect); |
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void updateBackingStore(); |
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void setAllowsScrolling(bool); |
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bool allowsScrolling() const; |
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HashSet<Widget*>* children(); |
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private: |
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void updateScrollbars(const IntSize& desiredOffset); |
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IntSize maximumScroll() const; |
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class ScrollViewPrivate; |
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ScrollViewPrivate* m_data; |
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#endif |
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#if PLATFORM(GTK) |
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ScrollView(); |
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~ScrollView(); |
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virtual void setGtkAdjustments(GtkAdjustment* hadj, GtkAdjustment* vadj); |
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virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const; |
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virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const; |
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virtual void geometryChanged() const; |
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virtual void paint(GraphicsContext*, const IntRect&); |
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virtual void setFrameGeometry(const IntRect&); |
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void addToDirtyRegion(const IntRect&); |
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void scrollBackingStore(int dx, int dy, const IntRect& scrollViewRect, const IntRect& clipRect); |
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void updateBackingStore(); |
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protected: |
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HashSet<Widget*>* children() const; |
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private: |
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IntSize maximumScroll() const; |
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void updateScrollbars(const IntSize& desiredOffset); |
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class ScrollViewPrivate; |
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ScrollViewPrivate* m_data; |
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#endif |
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#if PLATFORM(QT) |
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ScrollView(); |
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~ScrollView(); |
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virtual void paint(GraphicsContext*, const IntRect&); |
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virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const; |
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virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const; |
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virtual void geometryChanged() const; |
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virtual void setFrameGeometry(const IntRect&); |
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IntRect windowResizerRect(); |
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bool resizerOverlapsContent() const; |
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void adjustOverlappingScrollbarCount(int overlapDelta); |
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virtual void setParent(ScrollView*); |
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void addToDirtyRegion(const IntRect&); |
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void scrollBackingStore(int dx, int dy, const IntRect& scrollViewRect, const IntRect& clipRect); |
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void updateBackingStore(); |
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PlatformScrollbar *horizontalScrollBar() const; |
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PlatformScrollbar *verticalScrollBar() const; |
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private: |
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void updateScrollbars(const IntSize& desiredOffset); |
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IntSize maximumScroll() const; |
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class ScrollViewPrivate; |
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ScrollViewPrivate* m_data; |
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#endif |
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}; |
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} // namespace WebCore |
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#endif // ScrollView_h |