SliderThumbElement.h [plain text]
#pragma once
#include "HTMLDivElement.h"
#include "RenderBlockFlow.h"
#include <wtf/Forward.h>
namespace WebCore {
class HTMLInputElement;
class TouchEvent;
class SliderThumbElement final : public HTMLDivElement {
WTF_MAKE_ISO_ALLOCATED(SliderThumbElement);
public:
static Ref<SliderThumbElement> create(Document&);
void setPositionFromValue();
void dragFrom(const LayoutPoint&);
RefPtr<HTMLInputElement> hostInput() const;
void setPositionFromPoint(const LayoutPoint&);
#if ENABLE(IOS_TOUCH_EVENTS)
void handleTouchEvent(TouchEvent&);
#endif
void hostDisabledStateChanged();
private:
SliderThumbElement(Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
Ref<Element> cloneElementWithoutAttributesAndChildren(Document&) final;
bool isDisabledFormControl() const final;
bool matchesReadWritePseudoClass() const final;
RefPtr<Element> focusDelegate() final;
#if !PLATFORM(IOS_FAMILY)
void defaultEventHandler(Event&) final;
bool willRespondToMouseMoveEvents() final;
bool willRespondToMouseClickEvents() final;
#endif
#if ENABLE(IOS_TOUCH_EVENTS)
void didAttachRenderers() final;
#endif
void willDetachRenderers() final;
Optional<ElementStyle> resolveCustomStyle(const RenderStyle&, const RenderStyle*) final;
const AtomicString& shadowPseudoId() const final;
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 { false };
#if ENABLE(IOS_TOUCH_EVENTS)
static const unsigned NoIdentifier = 0;
unsigned m_exclusiveTouchIdentifier { NoIdentifier };
bool m_isRegisteredAsTouchEventListener { false };
#endif
};
inline Ref<SliderThumbElement> SliderThumbElement::create(Document& document)
{
return adoptRef(*new SliderThumbElement(document));
}
class RenderSliderThumb final : public RenderBlockFlow {
WTF_MAKE_ISO_ALLOCATED(RenderSliderThumb);
public:
RenderSliderThumb(SliderThumbElement&, RenderStyle&&);
void updateAppearance(const RenderStyle* parentStyle);
private:
bool isSliderThumb() const final;
};
class SliderContainerElement final : public HTMLDivElement {
WTF_MAKE_ISO_ALLOCATED(SliderContainerElement);
public:
static Ref<SliderContainerElement> create(Document&);
private:
SliderContainerElement(Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
Optional<ElementStyle> resolveCustomStyle(const RenderStyle&, const RenderStyle*) final;
const AtomicString& shadowPseudoId() const final;
bool isSliderContainerElement() const final { return true; }
AtomicString m_shadowPseudoId;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SliderContainerElement)
static bool isType(const WebCore::Element& element) { return element.isSliderContainerElement(); }
static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
SPECIALIZE_TYPE_TRAITS_END()