Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / core / rendering / RenderBlock.h

diff --git a/src/third_party/WebKit/Source/core/rendering/RenderBlock.h b/src/third_party/WebKit/Source/core/rendering/RenderBlock.h
index 2d84e53..16e2057 100644 (file)
--- a/src/third_party/WebKit/Source/core/rendering/RenderBlock.h
+++ b/src/third_party/WebKit/Source/core/rendering/RenderBlock.h
@@ -43,6 +43,7 @@ class BidiContext;
 class LayoutStateMaintainer;
 class LineLayoutState;
 class RenderInline;
+class RenderRegion;
 class RenderText;
 
 struct BidiRun;
@@ -203,8 +204,6 @@ public:
     ColumnInfo* columnInfo() const;
     int columnGap() const;
 
-    void updateColumnInfoFromStyle(RenderStyle*);
-
     // These two functions take the ColumnInfo* to avoid repeated lookups of the info in the global HashMap.
     unsigned columnCount(ColumnInfo*) const;
     LayoutRect columnRectAt(ColumnInfo*, unsigned) const;
@@ -247,40 +246,7 @@ public:
 
     virtual void scrollbarsChanged(bool /*horizontalScrollbarChanged*/, bool /*verticalScrollbarChanged*/) { };
 
-    LayoutUnit logicalLeftOffsetForContent(RenderRegion*) const;
-    LayoutUnit logicalRightOffsetForContent(RenderRegion*) const;
-    LayoutUnit availableLogicalWidthForContent(RenderRegion* region) const
-    {
-        return max<LayoutUnit>(0, logicalRightOffsetForContent(region) - logicalLeftOffsetForContent(region));
-    }
-    LayoutUnit startOffsetForContent(RenderRegion* region) const
-    {
-        return style()->isLeftToRightDirection() ? logicalLeftOffsetForContent(region) : logicalWidth() - logicalRightOffsetForContent(region);
-    }
-    LayoutUnit endOffsetForContent(RenderRegion* region) const
-    {
-        return !style()->isLeftToRightDirection() ? logicalLeftOffsetForContent(region) : logicalWidth() - logicalRightOffsetForContent(region);
-    }
-    LayoutUnit logicalLeftOffsetForContent(LayoutUnit blockOffset) const
-    {
-        return logicalLeftOffsetForContent(regionAtBlockOffset(blockOffset));
-    }
-    LayoutUnit logicalRightOffsetForContent(LayoutUnit blockOffset) const
-    {
-        return logicalRightOffsetForContent(regionAtBlockOffset(blockOffset));
-    }
-    LayoutUnit availableLogicalWidthForContent(LayoutUnit blockOffset) const
-    {
-        return availableLogicalWidthForContent(regionAtBlockOffset(blockOffset));
-    }
-    LayoutUnit startOffsetForContent(LayoutUnit blockOffset) const
-    {
-        return startOffsetForContent(regionAtBlockOffset(blockOffset));
-    }
-    LayoutUnit endOffsetForContent(LayoutUnit blockOffset) const
-    {
-        return endOffsetForContent(regionAtBlockOffset(blockOffset));
-    }
+    LayoutUnit availableLogicalWidthForContent() const { return max<LayoutUnit>(0, logicalRightOffsetForContent() - logicalLeftOffsetForContent()); }
     LayoutUnit logicalLeftOffsetForContent() const { return isHorizontalWritingMode() ? borderLeft() + paddingLeft() : borderTop() + paddingTop(); }
     LayoutUnit logicalRightOffsetForContent() const { return logicalLeftOffsetForContent() + availableLogicalWidth(); }
     LayoutUnit startOffsetForContent() const { return style()->isLeftToRightDirection() ? logicalLeftOffsetForContent() : logicalWidth() - logicalRightOffsetForContent(); }
@@ -390,8 +356,6 @@ protected:
 
     void updateBlockChildDirtyBitsBeforeLayout(bool relayoutChildren, RenderBox*);
 
-    virtual void checkForPaginationLogicalHeightChange(LayoutUnit& pageLogicalHeight, bool& pageLogicalHeightChanged, bool& hasSpecifiedPageLogicalHeight);
-
     virtual bool isInlineBlockOrInlineTable() const OVERRIDE FINAL { return isInline() && isReplaced(); }
 
 private:
@@ -505,11 +469,9 @@ private:
     Position positionForBox(InlineBox*, bool start = true) const;
     PositionWithAffinity positionForPointWithInlineChildren(const LayoutPoint&);
 
-    virtual void calcColumnWidth();
+    void calcColumnWidth();
     void makeChildrenAnonymousColumnBlocks(RenderObject* beforeChild, RenderBlockFlow* newBlockBox, RenderObject* newChild);
 
-    bool expandsToEncloseOverhangingFloats() const;
-
     void splitBlocks(RenderBlock* fromBlock, RenderBlock* toBlock, RenderBlock* middleBlock,
                      RenderObject* beforeChild, RenderBoxModelObject* oldCont);
     void splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox,
@@ -524,9 +486,6 @@ private:
 protected:
     void determineLogicalLeftPositionForChild(RenderBox* child, ApplyLayoutDeltaMode = DoNotApplyLayoutDelta);
 
-    // Pagination routines.
-    bool relayoutToAvoidWidows(LayoutStateMaintainer&);
-
     // Returns the logicalOffset at the top of the next page. If the offset passed in is already at the top of the current page,
     // then nextPageLogicalTop with ExcludePageBoundary will still move to the top of the next page. nextPageLogicalTop with
     // IncludePageBoundary set will not.
@@ -534,9 +493,8 @@ protected:
     // For a page height of 800px, the first rule will return 800 if the value passed in is 0. The second rule will simply return 0.
     enum PageBoundaryRule { ExcludePageBoundary, IncludePageBoundary };
     LayoutUnit nextPageLogicalTop(LayoutUnit logicalOffset, PageBoundaryRule = ExcludePageBoundary) const;
-    bool hasNextPage(LayoutUnit logicalOffset, PageBoundaryRule = ExcludePageBoundary) const;
 
-    virtual ColumnInfo::PaginationUnit paginationUnit() const;
+    bool createsBlockFormattingContext() const;
 
 public:
     LayoutUnit pageLogicalTopForOffset(LayoutUnit offset) const;
@@ -556,19 +514,11 @@ protected:
 
     LayoutUnit adjustForUnsplittableChild(RenderBox* child, LayoutUnit logicalOffset, bool includeMargins = false); // If the child is unsplittable and can't fit on the current page, return the top of the next page/column.
     void adjustLinePositionForPagination(RootInlineBox*, LayoutUnit& deltaOffset, RenderFlowThread*); // Computes a deltaOffset value that put a line at the top of the next page if it doesn't fit on the current page.
-    void updateRegionForLine(RootInlineBox*) const;
 
     // Adjust from painting offsets to the local coords of this renderer
     void offsetForContents(LayoutPoint&) const;
 
-    // This function is called to test a line box that has moved in the block direction to see if it has ended up in a new
-    // region/page/column that has a different available line width than the old one. Used to know when you have to dirty a
-    // line, i.e., that it can't be re-used.
-    bool lineWidthForPaginatedLineChanged(RootInlineBox*, LayoutUnit lineDelta, RenderFlowThread*) const;
-
-    bool logicalWidthChangedInRegions(RenderFlowThread*) const;
-
-    virtual bool requiresColumns(int desiredColumnCount) const;
+    bool requiresColumns(int desiredColumnCount) const;
 
     virtual bool updateLogicalWidthAndColumnWidth();
 
@@ -577,7 +527,6 @@ protected:
 public:
     virtual LayoutUnit offsetFromLogicalTopOfFirstPage() const OVERRIDE FINAL;
     RenderRegion* regionAtBlockOffset(LayoutUnit) const;
-    RenderRegion* clampToStartAndEndRegions(RenderRegion*) const;
 
 public: