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/*
* Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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&);
virtual RenderPtr<RenderElement> createElementRenderer(Ref<RenderStyle>&&, const RenderTreePosition&) override;
virtual Ref<Element> cloneElementWithoutAttributesAndChildren(Document&) override;
virtual bool isDisabledFormControl() 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(IOS_TOUCH_EVENTS)
virtual void didAttachRenderers() override;
#endif
virtual void willDetachRenderers() override;
virtual 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
bool m_inDragMode;
#if ENABLE(IOS_TOUCH_EVENTS)
// FIXME: Currently it is safe to use 0, but this may need to change
// if touch identifiers change in the future and can be 0.
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&, Ref<RenderStyle>&&);
void updateAppearance(RenderStyle* parentStyle);
private:
virtual bool isSliderThumb() const override;
};
// --------------------------------
class SliderContainerElement final : public HTMLDivElement {
public:
static Ref<SliderContainerElement> create(Document&);
private:
SliderContainerElement(Document&);
virtual RenderPtr<RenderElement> createElementRenderer(Ref<RenderStyle>&&, const RenderTreePosition&) override;
virtual const AtomicString& shadowPseudoId() const override;
};
}
#endif
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