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/*
* Copyright (C) 2006, 2008, 2010 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "PopupOpeningObserver.h"
#include "Timer.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class SpinButtonElement final : public HTMLDivElement, public PopupOpeningObserver {
WTF_MAKE_ISO_ALLOCATED(SpinButtonElement);
public:
enum UpDownState {
Indeterminate, // Hovered, but the event is not handled.
Down,
Up,
};
class SpinButtonOwner : public CanMakeWeakPtr<SpinButtonOwner> {
public:
virtual ~SpinButtonOwner() = default;
virtual void focusAndSelectSpinButtonOwner() = 0;
virtual bool shouldSpinButtonRespondToMouseEvents() const = 0;
virtual bool shouldSpinButtonRespondToWheelEvents() const = 0;
virtual void spinButtonStepDown() = 0;
virtual void spinButtonStepUp() = 0;
};
// The owner of SpinButtonElement must call removeSpinButtonOwner
// because SpinButtonElement can be outlive SpinButtonOwner
// implementation, e.g. during event handling.
static Ref<SpinButtonElement> create(Document&, SpinButtonOwner&);
UpDownState upDownState() const { return m_upDownState; }
void releaseCapture();
void removeSpinButtonOwner() { m_spinButtonOwner = nullptr; }
void step(int amount);
bool willRespondToMouseMoveEvents() const override;
bool willRespondToMouseClickEventsWithEditability(Editability) const override;
void forwardEvent(Event&);
private:
constexpr static auto CreateSpinButtonElement = CreateHTMLDivElement | NodeFlag::HasCustomStyleResolveCallbacks;
SpinButtonElement(Document&, SpinButtonOwner&);
void willDetachRenderers() override;
bool isSpinButtonElement() const override { return true; }
bool isDisabledFormControl() const override { return shadowHost() && shadowHost()->isDisabledFormControl(); }
bool matchesReadWritePseudoClass() const override;
void defaultEventHandler(Event&) override;
void willOpenPopup() override;
void doStepAction(int);
void startRepeatingTimer();
void stopRepeatingTimer();
void repeatingTimerFired();
void setHovered(bool, Style::InvalidationScope, HitTestRequest) override;
bool shouldRespondToMouseEvents() const;
bool isMouseFocusable() const override { return false; }
WeakPtr<SpinButtonOwner> m_spinButtonOwner;
bool m_capturing;
UpDownState m_upDownState;
UpDownState m_pressStartingState;
Timer m_repeatingTimer;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SpinButtonElement)
static bool isType(const WebCore::Element& element) { return element.isSpinButtonElement(); }
static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
SPECIALIZE_TYPE_TRAITS_END()
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