struct LayerFragment;
typedef Vector<LayerFragment, 1> LayerFragments;
class RenderBox;
-class RenderBoxRegionInfo;
class RenderFlowThread;
-class RenderNamedFlowThread;
class RenderRegion : public RenderBlockFlow {
public:
virtual bool isRenderRegion() const OVERRIDE FINAL { return true; }
- bool hitTestFlowThreadContents(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
-
- virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
-
void setFlowThreadPortionRect(const LayoutRect& rect) { m_flowThreadPortionRect = rect; }
LayoutRect flowThreadPortionRect() const { return m_flowThreadPortionRect; }
LayoutRect flowThreadPortionOverflowRect() const;
void attachRegion();
void detachRegion();
- RenderNamedFlowThread* parentNamedFlowThread() const { return m_parentNamedFlowThread; }
RenderFlowThread* flowThread() const { return m_flowThread; }
// Valid regions do not create circular dependencies with other flows.
bool isValid() const { return m_isValid; }
void setIsValid(bool valid) { m_isValid = valid; }
- bool hasCustomRegionStyle() const { return m_hasCustomRegionStyle; }
- void setHasCustomRegionStyle(bool hasCustomRegionStyle) { m_hasCustomRegionStyle = hasCustomRegionStyle; }
-
- RenderBoxRegionInfo* renderBoxRegionInfo(const RenderBox*) const;
- RenderBoxRegionInfo* setRenderBoxRegionInfo(const RenderBox*, LayoutUnit logicalLeftInset, LayoutUnit logicalRightInset,
- bool containingBlockChainIsInset);
- PassOwnPtr<RenderBoxRegionInfo> takeRenderBoxRegionInfo(const RenderBox*);
- void removeRenderBoxRegionInfo(const RenderBox*);
-
- void deleteAllRenderBoxRegionInfo();
-
bool isFirstRegion() const;
bool isLastRegion() const;
- void clearObjectStyleInRegion(const RenderObject*);
-
- RegionOversetState regionOversetState() const;
- void setRegionOversetState(RegionOversetState);
-
// These methods represent the width and height of a "page" and for a RenderRegion they are just the
// content width and content height of a region. For RenderRegionSets, however, they will be the width and
// height of a single column or page in the set.
virtual LayoutUnit pageLogicalWidth() const;
virtual LayoutUnit pageLogicalHeight() const;
- virtual LayoutUnit maxPageLogicalHeight() const;
LayoutUnit logicalTopOfFlowThreadContentRect(const LayoutRect&) const;
LayoutUnit logicalBottomOfFlowThreadContentRect(const LayoutRect&) const;
LayoutUnit logicalTopForFlowThreadContent() const { return logicalTopOfFlowThreadContentRect(flowThreadPortionRect()); };
LayoutUnit logicalBottomForFlowThreadContent() const { return logicalBottomOfFlowThreadContentRect(flowThreadPortionRect()); };
- void getRanges(Vector<RefPtr<Range> >&) const;
-
// This method represents the logical height of the entire flow thread portion used by the region or set.
// For RenderRegions it matches logicalPaginationHeight(), but for sets it is the height of all the pages
// or columns added together.
virtual LayoutUnit logicalHeightOfAllFlowThreadContent() const;
- bool hasAutoLogicalHeight() const { return m_hasAutoLogicalHeight; }
-
- const LayoutUnit& computedAutoHeight() const
- {
- ASSERT(hasComputedAutoHeight());
- return m_computedAutoHeight;
- }
-
- void setComputedAutoHeight(LayoutUnit computedAutoHeight)
- {
- ASSERT(computedAutoHeight >= 0);
- m_computedAutoHeight = computedAutoHeight;
- }
-
- void clearComputedAutoHeight()
- {
- m_computedAutoHeight = -1;
- }
-
- bool hasComputedAutoHeight() const { return (m_computedAutoHeight >= 0); }
-
// The top of the nearest page inside the region. For RenderRegions, this is just the logical top of the
// flow thread portion we contain. For sets, we have to figure out the top of the nearest column or
// page.
virtual void expandToEncompassFlowThreadContentsIfNeeded() { };
- // Whether or not this region is a set.
- virtual bool isRenderRegionSet() const { return false; }
-
virtual void repaintFlowThreadContent(const LayoutRect& repaintRect) const;
virtual void collectLayerFragments(LayerFragments&, const LayoutRect&, const LayoutRect&) { }
virtual bool canHaveChildren() const OVERRIDE FINAL { return false; }
virtual bool canHaveGeneratedChildren() const OVERRIDE FINAL { return true; }
- bool isElementBasedRegion() const;
-
- Node* nodeForRegion() const;
- Node* generatingNodeForRegion() const;
-
virtual const char* renderName() const OVERRIDE { return "RenderRegion"; }
protected:
- void setRegionObjectsRegionStyle();
- void restoreRegionObjectsOriginalStyle();
-
virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE FINAL;
LayoutRect overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPortionRect, bool isFirstPortion, bool isLastPortion) const;
void repaintFlowThreadContentRectangle(const LayoutRect& repaintRect, const LayoutRect& flowThreadPortionRect,
const LayoutRect& flowThreadPortionOverflowRect, const LayoutPoint& regionLocation) const;
- virtual bool shouldHaveAutoLogicalHeight() const;
-
private:
virtual void insertedIntoTree() OVERRIDE FINAL;
virtual void willBeRemovedFromTree() OVERRIDE FINAL;
virtual void layoutBlock(bool relayoutChildren) OVERRIDE FINAL;
virtual bool supportsPartialLayout() const OVERRIDE FINAL { return false; }
- virtual void paintObject(PaintInfo&, const LayoutPoint&) OVERRIDE;
-
- virtual void updateLogicalHeight() OVERRIDE FINAL;
-
- virtual void installFlowThread();
-
- PassRefPtr<RenderStyle> computeStyleInRegion(const RenderObject*);
- void computeChildrenStyleInRegion(const RenderObject*);
- void setObjectStyleInRegion(RenderObject*, PassRefPtr<RenderStyle>, bool objectRegionStyleCached);
-
- void checkRegionStyle();
- void updateRegionHasAutoLogicalHeightFlag();
-
- void incrementAutoLogicalHeightCount();
- void decrementAutoLogicalHeightCount();
-
- Element* element() const;
protected:
RenderFlowThread* m_flowThread;
private:
- // If this RenderRegion is displayed as part of another named flow,
- // we need to create a dependency tree, so that layout of the
- // regions is always done before the regions themselves.
- RenderNamedFlowThread* m_parentNamedFlowThread;
LayoutRect m_flowThreadPortionRect;
-
- // This map holds unique information about a block that is split across regions.
- // A RenderBoxRegionInfo* tells us about any layout information for a RenderBox that
- // is unique to the region. For now it just holds logical width information for RenderBlocks, but eventually
- // it will also hold a custom style for any box (for region styling).
- typedef HashMap<const RenderBox*, OwnPtr<RenderBoxRegionInfo> > RenderBoxRegionInfoMap;
- RenderBoxRegionInfoMap m_renderBoxRegionInfo;
-
- struct ObjectRegionStyleInfo {
- // Used to store the original style of the object in region
- // so that the original style is properly restored after paint.
- // Also used to store computed style of the object in region between
- // region paintings, so that the style in region is computed only
- // when necessary.
- RefPtr<RenderStyle> style;
- // True if the computed style in region is cached.
- bool cached;
- };
- typedef HashMap<const RenderObject*, ObjectRegionStyleInfo > RenderObjectRegionStyleMap;
- RenderObjectRegionStyleMap m_renderObjectRegionStyle;
-
- LayoutUnit m_computedAutoHeight;
-
bool m_isValid : 1;
- bool m_hasCustomRegionStyle : 1;
- bool m_hasAutoLogicalHeight : 1;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderRegion, isRenderRegion());
projects / platform / framework / web / crosswalk.git / blobdiff