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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/rendering/RenderBoxModelObject.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'WebCore/rendering/RenderBoxModelObject.h')
-rw-r--r--WebCore/rendering/RenderBoxModelObject.h164
1 files changed, 0 insertions, 164 deletions
diff --git a/WebCore/rendering/RenderBoxModelObject.h b/WebCore/rendering/RenderBoxModelObject.h
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--- a/WebCore/rendering/RenderBoxModelObject.h
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-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- * (C) 1999 Antti Koivisto (koivisto@kde.org)
- * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2010 Google 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
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef RenderBoxModelObject_h
-#define RenderBoxModelObject_h
-
-#include "RenderObject.h"
-
-namespace WebCore {
-
-// Modes for some of the line-related functions.
-enum LinePositionMode { PositionOnContainingLine, PositionOfInteriorLineBoxes };
-enum LineDirectionMode { HorizontalLine, VerticalLine };
-
-// This class is the base for all objects that adhere to the CSS box model as described
-// at http://www.w3.org/TR/CSS21/box.html
-
-class RenderBoxModelObject : public RenderObject {
-public:
- RenderBoxModelObject(Node*);
- virtual ~RenderBoxModelObject();
-
- virtual void destroy();
-
- int relativePositionOffsetX() const;
- int relativePositionOffsetY() const;
- IntSize relativePositionOffset() const { return IntSize(relativePositionOffsetX(), relativePositionOffsetY()); }
- IntSize relativePositionLogicalOffset() const { return style()->isHorizontalWritingMode() ? relativePositionOffset() : relativePositionOffset().transposedSize(); }
-
- // IE extensions. Used to calculate offsetWidth/Height. Overridden by inlines (RenderFlow)
- // to return the remaining width on a given line (and the height of a single line).
- virtual int offsetLeft() const;
- virtual int offsetTop() const;
- virtual int offsetWidth() const = 0;
- virtual int offsetHeight() const = 0;
-
- virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
- virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
- virtual void updateBoxModelInfoFromStyle();
-
- bool hasSelfPaintingLayer() const;
- RenderLayer* layer() const { return m_layer; }
- virtual bool requiresLayer() const { return isRoot() || isPositioned() || isRelPositioned() || isTransparent() || hasOverflowClip() || hasTransform() || hasMask() || hasReflection() || style()->specifiesColumns(); }
-
- // This will work on inlines to return the bounding box of all of the lines' border boxes.
- virtual IntRect borderBoundingBox() const = 0;
-
- // Virtual since table cells override
- virtual int paddingTop(bool includeIntrinsicPadding = true) const;
- virtual int paddingBottom(bool includeIntrinsicPadding = true) const;
- virtual int paddingLeft(bool includeIntrinsicPadding = true) const;
- virtual int paddingRight(bool includeIntrinsicPadding = true) const;
- virtual int paddingBefore(bool includeIntrinsicPadding = true) const;
- virtual int paddingAfter(bool includeIntrinsicPadding = true) const;
- virtual int paddingStart(bool includeIntrinsicPadding = true) const;
- virtual int paddingEnd(bool includeIntrinsicPadding = true) const;
-
- virtual int borderTop() const { return style()->borderTopWidth(); }
- virtual int borderBottom() const { return style()->borderBottomWidth(); }
- virtual int borderLeft() const { return style()->borderLeftWidth(); }
- virtual int borderRight() const { return style()->borderRightWidth(); }
- virtual int borderBefore() const { return style()->borderBeforeWidth(); }
- virtual int borderAfter() const { return style()->borderAfterWidth(); }
- virtual int borderStart() const { return style()->borderStartWidth(); }
- virtual int borderEnd() const { return style()->borderEndWidth(); }
-
- int borderAndPaddingHeight() const { return borderTop() + borderBottom() + paddingTop() + paddingBottom(); }
- int borderAndPaddingWidth() const { return borderLeft() + borderRight() + paddingLeft() + paddingRight(); }
- int borderAndPaddingLogicalHeight() const { return borderBefore() + borderAfter() + paddingBefore() + paddingAfter(); }
- int borderAndPaddingLogicalWidth() const { return borderStart() + borderEnd() + paddingStart() + paddingEnd(); }
-
- virtual int marginTop() const = 0;
- virtual int marginBottom() const = 0;
- virtual int marginLeft() const = 0;
- virtual int marginRight() const = 0;
- virtual int marginBefore() const = 0;
- virtual int marginAfter() const = 0;
- virtual int marginStart() const = 0;
- virtual int marginEnd() const = 0;
-
- bool hasInlineDirectionBordersPaddingOrMargin() const { return hasInlineDirectionBordersOrPadding() || marginStart()|| marginEnd(); }
- bool hasInlineDirectionBordersOrPadding() const { return borderStart() || borderEnd() || paddingStart()|| paddingEnd(); }
-
- virtual int containingBlockLogicalWidthForContent() const;
-
- virtual void childBecameNonInline(RenderObject* /*child*/) { }
-
- void paintBorder(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle*, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true);
- bool paintNinePieceImage(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle*, const NinePieceImage&, CompositeOperator = CompositeSourceOver);
- void paintBoxShadow(GraphicsContext*, int tx, int ty, int w, int h, const RenderStyle*, ShadowStyle, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true);
- void paintFillLayerExtended(const PaintInfo&, const Color&, const FillLayer*, int tx, int ty, int width, int height, InlineFlowBox* = 0, CompositeOperator = CompositeSourceOver, RenderObject* backgroundObject = 0);
-
- // Overridden by subclasses to determine line height and baseline position.
- virtual int lineHeight(bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const = 0;
- virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const = 0;
-
- // Called by RenderObject::destroy() (and RenderWidget::destroy()) and is the only way layers should ever be destroyed
- void destroyLayer();
-
- void highQualityRepaintTimerFired(Timer<RenderBoxModelObject>*);
-
- virtual void setSelectionState(SelectionState s);
-protected:
- void calculateBackgroundImageGeometry(const FillLayer*, int tx, int ty, int w, int h, IntRect& destRect, IntPoint& phase, IntSize& tileSize);
-
- bool shouldPaintAtLowQuality(GraphicsContext*, Image*, const void*, const IntSize&);
-
-private:
- virtual bool isBoxModelObject() const { return true; }
-
- IntSize calculateFillTileSize(const FillLayer*, IntSize scaledSize) const;
-
- void clipBorderSidePolygon(GraphicsContext*, const IntRect&, const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft,
- const IntSize& bottomRight, const BoxSide side, bool firstEdgeMatches, bool secondEdgeMatches, const RenderStyle* style,
- bool includeLogicalLeftEdge, bool includeLogicalRightEdge);
-
- friend class RenderView;
-
- RenderLayer* m_layer;
-
- // Used to store state between styleWillChange and styleDidChange
- static bool s_wasFloating;
- static bool s_hadLayer;
- static bool s_layerWasSelfPainting;
-};
-
-inline RenderBoxModelObject* toRenderBoxModelObject(RenderObject* object)
-{
- ASSERT(!object || object->isBoxModelObject());
- return static_cast<RenderBoxModelObject*>(object);
-}
-
-inline const RenderBoxModelObject* toRenderBoxModelObject(const RenderObject* object)
-{
- ASSERT(!object || object->isBoxModelObject());
- return static_cast<const RenderBoxModelObject*>(object);
-}
-
-// This will catch anyone doing an unnecessary cast.
-void toRenderBoxModelObject(const RenderBoxModelObject*);
-
-} // namespace WebCore
-
-#endif // RenderBoxModelObject_h