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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef LineLayoutBlockFlow_h
#define LineLayoutBlockFlow_h
#include "core/layout/FloatingObjects.h"
#include "core/layout/LayoutBlockFlow.h"
#include "core/layout/api/LineLayoutBox.h"
#include "platform/LayoutUnit.h"
namespace blink {
class LayoutBlockFlow;
class FloatingObject;
class LineWidth;
class LineLayoutBlockFlow : public LineLayoutBox {
public:
explicit LineLayoutBlockFlow(LayoutBlockFlow* blockFlow)
: LineLayoutBox(blockFlow) {}
explicit LineLayoutBlockFlow(const LineLayoutItem& item)
: LineLayoutBox(item) {
SECURITY_DCHECK(!item || item.isLayoutBlockFlow());
}
explicit LineLayoutBlockFlow(std::nullptr_t) : LineLayoutBox(nullptr) {}
LineLayoutBlockFlow() {}
LineLayoutItem firstChild() const {
return LineLayoutItem(toBlockFlow()->firstChild());
}
LineLayoutItem lastChild() const {
return LineLayoutItem(toBlockFlow()->lastChild());
}
LayoutUnit startAlignedOffsetForLine(LayoutUnit position,
IndentTextOrNot indentText) {
return toBlockFlow()->startAlignedOffsetForLine(position, indentText);
}
LayoutUnit textIndentOffset() const {
return toBlockFlow()->textIndentOffset();
}
// TODO(dgrogan/eae): *ForChild methods: callers should call
// child.logicalWidth etc, and the API should access the parent BlockFlow.
LayoutUnit logicalWidthForChild(const LayoutBox& child) const {
return toBlockFlow()->logicalWidthForChild(child);
}
LayoutUnit logicalWidthForChild(LineLayoutBox child) const {
return toBlockFlow()->logicalWidthForChild(
*toLayoutBox(child.layoutObject()));
}
LayoutUnit marginStartForChild(const LayoutBoxModelObject& child) const {
return toBlockFlow()->marginStartForChild(child);
}
LayoutUnit marginStartForChild(LineLayoutBox child) const {
return toBlockFlow()->marginStartForChild(
*toLayoutBoxModelObject(child.layoutObject()));
}
LayoutUnit marginEndForChild(const LayoutBoxModelObject& child) const {
return toBlockFlow()->marginEndForChild(child);
}
LayoutUnit marginEndForChild(LineLayoutBox child) const {
return toBlockFlow()->marginEndForChild(
*toLayoutBoxModelObject(child.layoutObject()));
}
LayoutUnit marginBeforeForChild(const LayoutBoxModelObject& child) const {
return toBlockFlow()->marginBeforeForChild(child);
}
LayoutUnit startOffsetForContent() const {
return toBlockFlow()->startOffsetForContent();
}
LayoutUnit lineHeight(bool firstLine,
LineDirectionMode direction,
LinePositionMode linePositionMode) const {
return toBlockFlow()->lineHeight(firstLine, direction, linePositionMode);
}
LayoutUnit minLineHeightForReplacedObject(bool isFirstLine,
LayoutUnit replacedHeight) const {
return toBlockFlow()->minLineHeightForReplacedObject(isFirstLine,
replacedHeight);
}
void setStaticInlinePositionForChild(LineLayoutBox box,
LayoutUnit inlinePosition) {
toBlockFlow()->setStaticInlinePositionForChild(
*toLayoutBox(box.layoutObject()), inlinePosition);
}
void updateStaticInlinePositionForChild(
LineLayoutBox box,
LayoutUnit logicalTop,
IndentTextOrNot indentText = DoNotIndentText) {
toBlockFlow()->updateStaticInlinePositionForChild(
*toLayoutBox(box.layoutObject()), logicalTop, indentText);
}
FloatingObject* insertFloatingObject(LayoutBox& box) {
return toBlockFlow()->insertFloatingObject(box);
}
FloatingObject* insertFloatingObject(LineLayoutBox box) {
return toBlockFlow()->insertFloatingObject(
*toLayoutBox(box.layoutObject()));
}
bool placeNewFloats(LayoutUnit logicalTopMarginEdge, LineWidth* width) {
return toBlockFlow()->placeNewFloats(logicalTopMarginEdge, width);
}
void positionAndLayoutFloat(FloatingObject& floatingObject,
LayoutUnit logicalTopMarginEdge) {
toBlockFlow()->positionAndLayoutFloat(floatingObject, logicalTopMarginEdge);
}
LayoutUnit nextFloatLogicalBottomBelow(LayoutUnit logicalHeight) const {
return toBlockFlow()->nextFloatLogicalBottomBelow(logicalHeight);
}
FloatingObject* lastFloatFromPreviousLine() const {
return toBlockFlow()->lastFloatFromPreviousLine();
}
// TODO(dgrogan/eae): *ForFloat: add these methods to the FloatingObject
// class. Be consistent with use of start/end/before/after instead of
// logicalTop/Left etc.
LayoutUnit logicalTopForFloat(const FloatingObject& floatingObject) const {
return toBlockFlow()->logicalTopForFloat(floatingObject);
}
LayoutUnit logicalBottomForFloat(const FloatingObject& floatingObject) const {
return toBlockFlow()->logicalBottomForFloat(floatingObject);
}
LayoutUnit logicalLeftForFloat(const FloatingObject& floatingObject) const {
return toBlockFlow()->logicalLeftForFloat(floatingObject);
}
LayoutUnit logicalRightForFloat(const FloatingObject& floatingObject) const {
return toBlockFlow()->logicalRightForFloat(floatingObject);
}
LayoutUnit logicalWidthForFloat(const FloatingObject& floatingObject) const {
return toBlockFlow()->logicalWidthForFloat(floatingObject);
}
LayoutUnit logicalRightOffsetForLine(
LayoutUnit position,
IndentTextOrNot indentText,
LayoutUnit logicalHeight = LayoutUnit()) const {
return toBlockFlow()->logicalRightOffsetForLine(position, indentText,
logicalHeight);
}
LayoutUnit logicalLeftOffsetForLine(
LayoutUnit position,
IndentTextOrNot indentText,
LayoutUnit logicalHeight = LayoutUnit()) const {
return toBlockFlow()->logicalLeftOffsetForLine(position, indentText,
logicalHeight);
}
void setHasMarkupTruncation(bool b) {
toBlockFlow()->setHasMarkupTruncation(b);
}
LayoutUnit logicalWidth() { return toBlockFlow()->logicalWidth(); }
LineBoxList* lineBoxes() { return toBlockFlow()->lineBoxes(); }
bool containsFloats() const { return toBlockFlow()->containsFloats(); }
LayoutBlock* blockBeforeWithinSelectionRoot(LayoutSize& offset) const {
return toBlockFlow()->blockBeforeWithinSelectionRoot(offset);
}
InlineBox* createAndAppendRootInlineBox() {
return toBlockFlow()->createAndAppendRootInlineBox();
}
InlineFlowBox* lastLineBox() { return toBlockFlow()->lastLineBox(); }
InlineFlowBox* firstLineBox() { return toBlockFlow()->firstLineBox(); }
RootInlineBox* firstRootBox() const { return toBlockFlow()->firstRootBox(); }
RootInlineBox* lastRootBox() const { return toBlockFlow()->lastRootBox(); }
private:
LayoutBlockFlow* toBlockFlow() { return toLayoutBlockFlow(layoutObject()); };
const LayoutBlockFlow* toBlockFlow() const {
return toLayoutBlockFlow(layoutObject());
};
};
} // namespace blink
#endif // LineLayoutBlockFlow_h
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