SliderThumbElement.h [plain text]
#ifndef SliderThumbElement_h
#define SliderThumbElement_h
#include "HTMLDivElement.h"
#include "HTMLNames.h"
#include "RenderBlockFlow.h"
#include <wtf/Forward.h>
namespace WebCore {
class HTMLInputElement;
class FloatPoint;
class TouchEvent;
class SliderThumbElement final : public HTMLDivElement {
public:
static PassRefPtr<SliderThumbElement> create(Document&);
void setPositionFromValue();
void dragFrom(const LayoutPoint&);
HTMLInputElement* hostInput() const;
void setPositionFromPoint(const LayoutPoint&);
#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS)
void handleTouchEvent(TouchEvent*);
void disabledAttributeChanged();
#endif
private:
SliderThumbElement(Document&);
virtual RenderPtr<RenderElement> createElementRenderer(PassRef<RenderStyle>) override;
virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren() override;
virtual bool isDisabledFormControl() const override;
virtual bool matchesReadOnlyPseudoClass() const override;
virtual bool matchesReadWritePseudoClass() const override;
virtual Element* focusDelegate() override;
#if !PLATFORM(IOS)
virtual void defaultEventHandler(Event*) override;
virtual bool willRespondToMouseMoveEvents() override;
virtual bool willRespondToMouseClickEvents() override;
#endif
#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS)
virtual void didAttachRenderers() override;
#endif
virtual void willDetachRenderers() override;
virtual const AtomicString& shadowPseudoId() const override;
void startDragging();
void stopDragging();
#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS)
unsigned exclusiveTouchIdentifier() const;
void setExclusiveTouchIdentifier(unsigned);
void clearExclusiveTouchIdentifier();
void handleTouchStart(TouchEvent*);
void handleTouchMove(TouchEvent*);
void handleTouchEndAndCancel(TouchEvent*);
bool shouldAcceptTouchEvents();
void registerForTouchEvents();
void unregisterForTouchEvents();
#endif
bool m_inDragMode;
#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS)
static const unsigned NoIdentifier = 0;
unsigned m_exclusiveTouchIdentifier;
bool m_isRegisteredAsTouchEventListener;
#endif
};
inline PassRefPtr<SliderThumbElement> SliderThumbElement::create(Document& document)
{
return adoptRef(new SliderThumbElement(document));
}
class RenderSliderThumb final : public RenderBlockFlow {
public:
RenderSliderThumb(SliderThumbElement&, PassRef<RenderStyle>);
void updateAppearance(RenderStyle* parentStyle);
private:
virtual bool isSliderThumb() const override;
};
class SliderContainerElement final : public HTMLDivElement {
public:
static PassRefPtr<SliderContainerElement> create(Document&);
private:
SliderContainerElement(Document&);
virtual RenderPtr<RenderElement> createElementRenderer(PassRef<RenderStyle>) override;
virtual const AtomicString& shadowPseudoId() const override;
};
}
#endif