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Diffstat (limited to 'Source/WebCore/rendering/RenderTextControl.h')
| -rw-r--r-- | Source/WebCore/rendering/RenderTextControl.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderTextControl.h b/Source/WebCore/rendering/RenderTextControl.h new file mode 100644 index 000000000..744878af4 --- /dev/null +++ b/Source/WebCore/rendering/RenderTextControl.h @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. + * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) + * + * 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 RenderTextControl_h +#define RenderTextControl_h + +#include "RenderBlock.h" + +namespace WebCore { + +class HTMLTextFormControlElement; + +class RenderTextControl : public RenderBlock { +public: + virtual ~RenderTextControl(); + + HTMLTextFormControlElement* textFormControlElement() const; + virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const = 0; + + VisiblePosition visiblePositionForIndex(int index) const; + +protected: + RenderTextControl(Node*); + + // This convenience function should not be made public because innerTextElement may outlive the render tree. + HTMLElement* innerTextElement() const; + + int scrollbarThickness() const; + void adjustInnerTextStyle(const RenderStyle* startStyle, RenderStyle* textBlockStyle) const; + + virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); + + void hitInnerTextElement(HitTestResult&, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset); + + int textBlockWidth() const; + int textBlockHeight() const; + + float scaleEmToUnits(int x) const; + + static bool hasValidAvgCharWidth(AtomicString family); + virtual float getAvgCharWidth(AtomicString family); + virtual LayoutUnit preferredContentWidth(float charWidth) const = 0; + virtual void adjustControlHeightBasedOnLineHeight(LayoutUnit lineHeight) = 0; + virtual RenderStyle* textBaseStyle() const = 0; + + virtual void updateFromElement(); + virtual void computeLogicalHeight(); + virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren); + +private: + virtual const char* renderName() const { return "RenderTextControl"; } + virtual bool isTextControl() const { return true; } + virtual void computePreferredLogicalWidths(); + virtual void removeLeftoverAnonymousBlock(RenderBlock*) { } + virtual bool canHaveChildren() const { return false; } + virtual bool avoidsFloats() const { return true; } + + virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint&); + + virtual bool canBeProgramaticallyScrolled() const { return true; } + + virtual bool requiresForcedStyleRecalcPropagation() const { return true; } + + static bool isSelectableElement(HTMLElement*, Node*); +}; + +inline RenderTextControl* toRenderTextControl(RenderObject* object) +{ + ASSERT(!object || object->isTextControl()); + return static_cast<RenderTextControl*>(object); +} + +inline const RenderTextControl* toRenderTextControl(const RenderObject* object) +{ + ASSERT(!object || object->isTextControl()); + return static_cast<const RenderTextControl*>(object); +} + +// This will catch anyone doing an unnecessary cast. +void toRenderTextControl(const RenderTextControl*); + +} // namespace WebCore + +#endif // RenderTextControl_h |
