Move LayoutDeprecatedFlexibleBox-specific line handling.

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
  * License as published by the Free Software Foundation; either
@@ skipping 2176 matching lines @@
 {
     if (childrenInline())
         return toLayoutBlockFlow(const_cast<LayoutBlock*>(this));
     for (LayoutObject* child = firstChild(); child && !child->isFloatingOrOutOfFlowPositioned() && child->isLayoutBlockFlow(); child = toLayoutBlock(child)->firstChild()) {
         if (child->childrenInline())
             return toLayoutBlockFlow(child);
     }
     return nullptr;
 }
 
-// Helper methods for obtaining the last line, computing line counts and heights for line counts
-// (crawling into blocks).
-static bool shouldCheckLines(LayoutObject* obj)
-{
-    return !obj->isFloatingOrOutOfFlowPositioned()
-        && obj->isLayoutBlock() && obj->style()->height().isAuto()
-        && (!obj->isDeprecatedFlexibleBox() || obj->style()->boxOrient() == VERTICAL);
-}
-
-static int getHeightForLineCount(LayoutBlock* block, int lineCount, bool includeBottom, int& count)
-{
-    if (block->style()->visibility() == VISIBLE) {
-        if (block->isLayoutBlockFlow() && block->childrenInline()) {
-            for (RootInlineBox* box = toLayoutBlockFlow(block)->firstRootBox(); box; box = box->nextRootBox()) {
-                if (++count == lineCount)
-                    return box->lineBottom() + (includeBottom ? (block->borderBottom() + block->paddingBottom()) : LayoutUnit());
-            }
-        } else {
-            LayoutBox* normalFlowChildWithoutLines = nullptr;
-            for (LayoutBox* obj = block->firstChildBox(); obj; obj = obj->nextSiblingBox()) {
-                if (shouldCheckLines(obj)) {
-                    int result = getHeightForLineCount(toLayoutBlock(obj), lineCount, false, count);
-                    if (result != -1)
-                        return result + obj->location().y() + (includeBottom ? (block->borderBottom() + block->paddingBottom()) : LayoutUnit());
-                } else if (!obj->isFloatingOrOutOfFlowPositioned()) {
-                    normalFlowChildWithoutLines = obj;
-                }
-            }
-            if (normalFlowChildWithoutLines && lineCount == 0)
-                return normalFlowChildWithoutLines->location().y() + normalFlowChildWithoutLines->size().height();
-        }
-    }
-
-    return -1;
-}
-
-RootInlineBox* LayoutBlock::lineAtIndex(int i) const
-{
-    ASSERT(i >= 0);
-
-    if (style()->visibility() != VISIBLE)
-        return nullptr;
-
-    if (childrenInline()) {
-        for (RootInlineBox* box = firstRootBox(); box; box = box->nextRootBox()) {
-            if (!i--)
-                return box;
-        }
-    } else {
-        for (LayoutObject* child = firstChild(); child; child = child->nextSibling()) {
-            if (!shouldCheckLines(child))
-                continue;
-            if (RootInlineBox* box = toLayoutBlock(child)->lineAtIndex(i))
-                return box;
-        }
-    }
-
-    return nullptr;
-}
-
-int LayoutBlock::lineCount(const RootInlineBox* stopRootInlineBox, bool* found) const
-{
-    int count = 0;
-
-    if (style()->visibility() == VISIBLE) {
-        if (childrenInline()) {
-            for (RootInlineBox* box = firstRootBox(); box; box = box->nextRootBox()) {
-                count++;
-                if (box == stopRootInlineBox) {
-                    if (found)
-                        *found = true;
-                    break;
-                }
-            }
-        } else {
-            for (LayoutObject* obj = firstChild(); obj; obj = obj->nextSibling()) {
-                if (shouldCheckLines(obj)) {
-                    bool recursiveFound = false;
-                    count += toLayoutBlock(obj)->lineCount(stopRootInlineBox, &recursiveFound);
-                    if (recursiveFound) {
-                        if (found)
-                            *found = true;
-                        break;
-                    }
-                }
-            }
-        }
-    }
-    return count;
-}
-
-int LayoutBlock::heightForLineCount(int lineCount)
-{
-    int count = 0;
-    return getHeightForLineCount(this, lineCount, true, count);
-}
-
-void LayoutBlock::clearTruncation()
-{
-    if (style()->visibility() == VISIBLE) {
-        if (childrenInline() && hasMarkupTruncation()) {
-            setHasMarkupTruncation(false);
-            for (RootInlineBox* box = firstRootBox(); box; box = box->nextRootBox())
-                box->clearTruncation();
-        } else {
-            for (LayoutObject* obj = firstChild(); obj; obj = obj->nextSibling()) {
-                if (shouldCheckLines(obj))
-                    toLayoutBlock(obj)->clearTruncation();
-            }
-        }
-    }
-}
-
 void LayoutBlock::absoluteRects(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset) const
 {
     // For blocks inside inlines, we go ahead and include margins so that we run right up to the
     // inline boxes above and below us (thus getting merged with them to form a single irregular
     // shape).
     if (isAnonymousBlockContinuation()) {
         // FIXME: This is wrong for vertical writing-modes.
         // https://bugs.webkit.org/show_bug.cgi?id=46781
         LayoutRect rect(accumulatedOffset, size());
         rect.expand(collapsedMarginBoxLogicalOutsets());
@@ skipping 439 matching lines @@
 void LayoutBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const LayoutObject* obj) const
 {
     showLayoutObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink