Remove a bunch of frame-level scrolling machinery.

sky/engine/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
@@ skipping 121 matching lines @@
 
     float visibleContentScaleFactor() const { return m_visibleContentScaleFactor; }
     void setVisibleContentScaleFactor(float);
 
     float inputEventsScaleFactor() const;
     IntSize inputEventsOffsetForEmulation() const;
     void setInputEventsTransformForEmulation(const IntSize&, float);
 
     // This is different than visibleContentRect() in that it ignores negative (or overly positive)
     // offsets from rubber-banding, and it takes zooming into account.
-    LayoutRect viewportConstrainedVisibleContentRect() const;
     void viewportConstrainedVisibleContentSizeChanged(bool widthChanged, bool heightChanged);
 
     AtomicString mediaType() const;
     void setMediaType(const AtomicString&);
 
     void addSlowRepaintObject();
     void removeSlowRepaintObject();
     bool hasSlowRepaintObjects() const { return m_slowRepaintObjectCount; }
 
     // Fixed-position objects.
@@ skipping 14 matching lines @@
     void removeWidget(RenderWidget*);
     void updateWidgetPositions();
 
     void paintContents(GraphicsContext*, const IntRect& damageRect);
     void setPaintBehavior(PaintBehavior);
     PaintBehavior paintBehavior() const;
     bool isPainting() const;
     bool hasEverPainted() const { return m_lastPaintTime; }
     void setNodeToDraw(Node*);
 
-    // FIXME(sky): Remove
-    void paintOverhangAreas(GraphicsContext*, const IntRect& horizontalOverhangArea, const IntRect& verticalOverhangArea, const IntRect& dirtyRect);
-
     Color documentBackgroundColor() const;
 
     static double currentFrameTimeStamp() { return s_currentFrameTimeStamp; }
 
     void updateLayoutAndStyleForPainting();
     void updateLayoutAndStyleIfNeededRecursive();
 
     void invalidateTreeIfNeededRecursive();
 
     void forceLayout(bool allowSubtree = false);
@@ skipping 10 matching lines @@
 
     enum ScrollbarModesCalculationStrategy { RulesFromWebContentOnly, AnyRule };
     void calculateScrollbarModesForLayoutAndSetViewportRenderer(ScrollbarMode& hMode, ScrollbarMode& vMode, ScrollbarModesCalculationStrategy = AnyRule);
 
     // FIXME(sky): Maybe remove now that we're not a ScrollView?
     IntPoint lastKnownMousePosition() const;
     bool shouldSetCursor() const;
 
     void setCursor(const Cursor&);
 
-    // FIXME(sky): Remove
-    bool scrollbarsCanBeActive() const;
-
     // FIXME: Remove this method once plugin loading is decoupled from layout.
     void flushAnyPendingPostLayoutTasks();
 
     void setTracksPaintInvalidations(bool);
     bool isTrackingPaintInvalidations() const { return m_isTrackingPaintInvalidations; }
     void resetTrackedPaintInvalidations();
 
     String trackedPaintInvalidationRectsAsText() const;
 
     typedef HashSet<ScrollableArea*> ScrollableAreaSet;
@@ skipping 18 matching lines @@
     bool wheelEvent(const PlatformWheelEvent&);
 
     bool inProgrammaticScroll() const { return m_inProgrammaticScroll; }
     void setInProgrammaticScroll(bool programmaticScroll) { m_inProgrammaticScroll = programmaticScroll; }
 
     void setHasSoftwareFilters(bool hasSoftwareFilters) { m_hasSoftwareFilters = hasSoftwareFilters; }
     bool hasSoftwareFilters() const { return m_hasSoftwareFilters; }
 
     bool isActive() const;
 
-    // DEPRECATED: Use viewportConstrainedVisibleContentRect() instead.
-    IntSize scrollOffsetForFixedPosition() const;
-
     // FIXME: This should probably be renamed as the 'inSubtreeLayout' parameter
     // passed around the FrameView layout methods can be true while this returns
     // false.
     bool isSubtreeLayout() const { return !!m_layoutSubtreeRoot; }
 
     // Sets the tickmarks for the FrameView, overriding the default behavior
     // which is to display the tickmarks corresponding to find results.
     // If |m_tickmarks| is empty, the default behavior is restored.
     void setTickmarks(const Vector<IntRect>& tickmarks) { m_tickmarks = tickmarks; }
 
@@ skipping 19 matching lines @@
     IntPoint contentsToWindow(const IntPoint& contentsPoint) const { return contentsToWindow(contentsPoint); }
     IntRect windowToContents(const IntRect& windowRect) const { return convertFromContainingWindow(windowRect); }
     IntRect contentsToWindow(const IntRect& contentsRect) const { return contentsToWindow(contentsRect); }
     IntSize scrollOffset() const { return IntSize(); }
     IntPoint minimumScrollPosition() const { return IntPoint(); }
     IntPoint maximumScrollPosition() const { return IntPoint(); }
     IntPoint scrollPosition() const { return IntPoint(); }
     bool scheduleAnimation();
     IntRect visibleContentRect(IncludeScrollbarsInRect = ExcludeScrollbars) const { return IntRect(IntPoint(), expandedIntSize(frameRect().size())); }
     IntSize unscaledVisibleContentSize(IncludeScrollbarsInRect = ExcludeScrollbars) const { return frameRect().size(); }
-    IntPoint clampScrollPosition(const IntPoint& scrollPosition) const { return scrollPosition; }
-    const IntPoint scrollOrigin() const { return IntPoint(); }
     // FIXME(sky): Not clear what values these should return. This is just what they happen to be
     // returning today.
     bool paintsEntireContents() const { return false; }
     bool clipsPaintInvalidations() const { return true; }
 
 protected:
     virtual void scrollContentsIfNeeded();
     bool scrollContentsFastPath(const IntSize& scrollDelta);
     void scrollContentsSlowPath(const IntRect& updateRect);
 
@@ skipping 38 matching lines @@
     virtual IntRect convertToContainingView(const IntRect&) const override;
     virtual IntRect convertFromContainingView(const IntRect&) const override;
     virtual IntPoint convertToContainingView(const IntPoint&) const override;
     virtual IntPoint convertFromContainingView(const IntPoint&) const override;
 
     void updateWidgetPositionsIfNeeded();
 
     bool wasViewportResized();
     void sendResizeEventIfNeeded();
 
-    // FIXME(sky): Remove now that we're not a ScrollView?
-    void notifyPageThatContentAreaWillPaint() const;
-
     void scrollPositionChanged();
     void didScrollTimerFired(Timer<FrameView>*);
 
     void updateLayersAndCompositingAfterScrollIfNeeded();
     void updateFixedElementPaintInvalidationRectsAfterScroll();
     void updateCompositedSelectionBoundsIfNeeded();
 
     void setLayoutSizeInternal(const IntSize&);
 
     bool paintInvalidationIsAllowed() const
@@ skipping 97 matching lines @@
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
 #endif // FrameView_h