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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 "core/HTMLNames.h"
#include "core/html/HTMLDivElement.h"
#include "wtf/Forward.h"
namespace blink {
class HTMLInputElement;
class Event;
class TouchEvent;
class SliderThumbElement final : public HTMLDivElement {
public:
static SliderThumbElement* create(Document&);
void setPositionFromValue();
void dragFrom(const LayoutPoint&);
void defaultEventHandler(Event*) override;
bool willRespondToMouseMoveEvents() override;
bool willRespondToMouseClickEvents() override;
void detachLayoutTree(const AttachContext& = AttachContext()) override;
const AtomicString& shadowPseudoId() const override;
HTMLInputElement* hostInput() const;
void setPositionFromPoint(const LayoutPoint&);
void stopDragging();
private:
SliderThumbElement(Document&);
LayoutObject* createLayoutObject(const ComputedStyle&) override;
Element* cloneElementWithoutAttributesAndChildren() override;
bool isDisabledFormControl() const override;
bool matchesReadOnlyPseudoClass() const override;
bool matchesReadWritePseudoClass() const override;
Node* focusDelegate() override;
void startDragging();
bool m_inDragMode;
};
inline Element* SliderThumbElement::cloneElementWithoutAttributesAndChildren() {
return create(document());
}
// FIXME: There are no ways to check if a node is a SliderThumbElement.
DEFINE_ELEMENT_TYPE_CASTS(SliderThumbElement, isHTMLElement());
class SliderContainerElement final : public HTMLDivElement {
public:
enum Direction {
Horizontal,
Vertical,
NoMove,
};
DECLARE_NODE_FACTORY(SliderContainerElement);
HTMLInputElement* hostInput() const;
void defaultEventHandler(Event*) override;
void handleTouchEvent(TouchEvent*);
void updateTouchEventHandlerRegistry();
void didMoveToNewDocument(Document&) override;
void removeAllEventListeners() override;
private:
explicit SliderContainerElement(Document&);
LayoutObject* createLayoutObject(const ComputedStyle&) override;
const AtomicString& shadowPseudoId() const override;
Direction getDirection(LayoutPoint&, LayoutPoint&);
bool canSlide();
bool m_hasTouchEventHandler;
bool m_touchStarted;
Direction m_slidingDirection;
LayoutPoint m_startPoint;
};
} // namespace blink
#endif
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