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/*
* Copyright (C) 2006-2018 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.
*/
#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_TZONE_OR_ISO_ALLOCATED(SliderThumbElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(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:
explicit SliderThumbElement(Document&);
bool isSliderThumbElement() const final { return true; }
Ref<Element> cloneElementWithoutAttributesAndChildren(Document&, CustomElementRegistry*) final;
bool isDisabledFormControl() const final;
bool matchesReadWritePseudoClass() const final;
void defaultEventHandler(Event&) final;
bool willRespondToMouseMoveEvents() const final;
bool willRespondToMouseClickEventsWithEditability(Editability) const final;
#if ENABLE(IOS_TOUCH_EVENTS)
void didAttachRenderers() final;
#endif
void willDetachRenderers() final;
std::optional<Style::ResolvedStyle> resolveCustomStyle(const Style::ResolutionContext&, const RenderStyle*) 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
bool m_inDragMode { false };
#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 { NoIdentifier };
bool m_isRegisteredAsTouchEventListener { false };
#endif
};
// --------------------------------
class SliderContainerElement final : public HTMLDivElement {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(SliderContainerElement);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(SliderContainerElement);
public:
static Ref<SliderContainerElement> create(Document&);
private:
explicit SliderContainerElement(Document&);
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
bool isSliderContainerElement() const final { return true; }
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SliderThumbElement)
static bool isType(const WebCore::Element& element) { return element.isSliderThumbElement(); }
static bool isType(const WebCore::Node& node)
{
auto* element = dynamicDowncast<WebCore::Element>(node);
return element && isType(*element);
}
SPECIALIZE_TYPE_TRAITS_END()
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SliderContainerElement)
static bool isType(const WebCore::Element& element) { return element.isSliderContainerElement(); }
static bool isType(const WebCore::Node& node)
{
auto* element = dynamicDowncast<WebCore::Element>(node);
return element && isType(*element);
}
SPECIALIZE_TYPE_TRAITS_END()
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