| /* |
| * 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 LayoutUnit computeControlHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const = 0; |
| virtual RenderStyle* textBaseStyle() const = 0; |
| |
| virtual void updateFromElement(); |
| virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const OVERRIDE; |
| 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 avoidsFloats() const { return true; } |
| virtual bool canHaveGeneratedChildren() const OVERRIDE { return false; } |
| virtual bool canBeReplacedWithInlineRunIn() const OVERRIDE; |
| |
| virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint&); |
| |
| virtual bool canBeProgramaticallyScrolled() const { return true; } |
| |
| virtual bool requiresForcedStyleRecalcPropagation() const { return true; } |
| }; |
| |
| 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 |