RenderTextControl.h [plain text]
#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;
bool canScroll() const;
virtual int innerLineHeight() const OVERRIDE;
VisiblePosition visiblePositionForIndex(int index) const;
protected:
RenderTextControl(Node*);
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();
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 void addFocusRingRects(Vector<IntRect>&, 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);
}
void toRenderTextControl(const RenderTextControl*);
}
#endif // RenderTextControl_h