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 Ref<SliderThumbElement> create(Document&);
void setPositionFromValue();
void dragFrom(const LayoutPoint&);
HTMLInputElement* hostInput() const;
void setPositionFromPoint(const LayoutPoint&);
#if ENABLE(IOS_TOUCH_EVENTS)
void handleTouchEvent(TouchEvent*);
void disabledAttributeChanged();
#endif
private:
SliderThumbElement(Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
Ref<Element> cloneElementWithoutAttributesAndChildren(Document&) override;
bool isDisabledFormControl() const override;
bool matchesReadWritePseudoClass() const override;
Element* focusDelegate() override;
#if !PLATFORM(IOS)
void defaultEventHandler(Event*) override;
bool willRespondToMouseMoveEvents() override;
bool willRespondToMouseClickEvents() override;
#endif
#if ENABLE(IOS_TOUCH_EVENTS)
void didAttachRenderers() override;
#endif
void willDetachRenderers() override;
Optional<ElementStyle> resolveCustomStyle(const RenderStyle&, const RenderStyle*) override;
const AtomicString& shadowPseudoId() const override;
void startDragging();
void stopDragging();
#if ENABLE(IOS_TOUCH_EVENTS)
unsigned exclusiveTouchIdentifier() const;
void setExclusiveTouchIdentifier(unsigned);
void clearExclusiveTouchIdentifier();
void handleTouchStart(TouchEvent*);
void handleTouchMove(TouchEvent*);
void handleTouchEndAndCancel(TouchEvent*);
bool shouldAcceptTouchEvents();
void registerForTouchEvents();
void unregisterForTouchEvents();
#endif
AtomicString m_shadowPseudoId;
bool m_inDragMode;
#if ENABLE(IOS_TOUCH_EVENTS)
static const unsigned NoIdentifier = 0;
unsigned m_exclusiveTouchIdentifier;
bool m_isRegisteredAsTouchEventListener;
#endif
};
inline Ref<SliderThumbElement> SliderThumbElement::create(Document& document)
{
return adoptRef(*new SliderThumbElement(document));
}
class RenderSliderThumb final : public RenderBlockFlow {
public:
RenderSliderThumb(SliderThumbElement&, RenderStyle&&);
void updateAppearance(const RenderStyle* parentStyle);
private:
bool isSliderThumb() const override;
};
class SliderContainerElement final : public HTMLDivElement {
public:
static Ref<SliderContainerElement> create(Document&);
private:
SliderContainerElement(Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
Optional<ElementStyle> resolveCustomStyle(const RenderStyle&, const RenderStyle*) override;
const AtomicString& shadowPseudoId() const override;
AtomicString m_shadowPseudoId;
};
}
#endif