99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
/*
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* Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
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* Copyright (C) 2010 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "HTMLDivElement.h"
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#include "PopupOpeningObserver.h"
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#include "Timer.h"
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namespace WebCore {
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class SpinButtonElement final : public HTMLDivElement, public PopupOpeningObserver {
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WTF_MAKE_ISO_ALLOCATED(SpinButtonElement);
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public:
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enum UpDownState {
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Indeterminate, // Hovered, but the event is not handled.
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Down,
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Up,
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};
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class SpinButtonOwner {
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public:
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virtual ~SpinButtonOwner() = default;
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virtual void focusAndSelectSpinButtonOwner() = 0;
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virtual bool shouldSpinButtonRespondToMouseEvents() = 0;
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virtual bool shouldSpinButtonRespondToWheelEvents() = 0;
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virtual void spinButtonStepDown() = 0;
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virtual void spinButtonStepUp() = 0;
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};
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// The owner of SpinButtonElement must call removeSpinButtonOwner
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// because SpinButtonElement can be outlive SpinButtonOwner
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// implementation, e.g. during event handling.
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static Ref<SpinButtonElement> create(Document&, SpinButtonOwner&);
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UpDownState upDownState() const { return m_upDownState; }
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void releaseCapture();
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void removeSpinButtonOwner() { m_spinButtonOwner = 0; }
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void step(int amount);
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bool willRespondToMouseMoveEvents() override;
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bool willRespondToMouseClickEvents() override;
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void forwardEvent(Event&);
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private:
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SpinButtonElement(Document&, SpinButtonOwner&);
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void willDetachRenderers() override;
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bool isSpinButtonElement() const override { return true; }
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bool isDisabledFormControl() const override { return shadowHost() && shadowHost()->isDisabledFormControl(); }
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bool matchesReadWritePseudoClass() const override;
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void defaultEventHandler(Event&) override;
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void willOpenPopup() override;
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void doStepAction(int);
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void startRepeatingTimer();
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void stopRepeatingTimer();
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void repeatingTimerFired();
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void setHovered(bool, Style::InvalidationScope) override;
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bool shouldRespondToMouseEvents();
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bool isMouseFocusable() const override { return false; }
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SpinButtonOwner* m_spinButtonOwner;
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bool m_capturing;
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UpDownState m_upDownState;
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UpDownState m_pressStartingState;
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Timer m_repeatingTimer;
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SpinButtonElement)
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static bool isType(const WebCore::Element& element) { return element.isSpinButtonElement(); }
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static bool isType(const WebCore::Node& node) { return is<WebCore::Element>(node) && isType(downcast<WebCore::Element>(node)); }
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SPECIALIZE_TYPE_TRAITS_END()
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