SpinButtonElement.h [plain text]
#pragma once
#include "HTMLDivElement.h"
#include "PopupOpeningObserver.h"
#include "Timer.h"
namespace WebCore {
class SpinButtonElement final : public HTMLDivElement, public PopupOpeningObserver {
WTF_MAKE_ISO_ALLOCATED(SpinButtonElement);
public:
enum UpDownState {
Indeterminate, Down,
Up,
};
class SpinButtonOwner {
public:
virtual ~SpinButtonOwner() = default;
virtual void focusAndSelectSpinButtonOwner() = 0;
virtual bool shouldSpinButtonRespondToMouseEvents() = 0;
virtual bool shouldSpinButtonRespondToWheelEvents() = 0;
virtual void spinButtonStepDown() = 0;
virtual void spinButtonStepUp() = 0;
};
static Ref<SpinButtonElement> create(Document&, SpinButtonOwner&);
UpDownState upDownState() const { return m_upDownState; }
void releaseCapture();
void removeSpinButtonOwner() { m_spinButtonOwner = 0; }
void step(int amount);
bool willRespondToMouseMoveEvents() override;
bool willRespondToMouseClickEvents() override;
void forwardEvent(Event&);
private:
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 = true) override;
bool shouldRespondToMouseEvents();
bool isMouseFocusable() const override { return false; }
SpinButtonOwner* m_spinButtonOwner;
bool m_capturing;
UpDownState m_upDownState;
UpDownState m_pressStartingState;
Timer m_repeatingTimer;
};
}
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()