/*
 * Copyright (C) 2012 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 PickerIndicatorElement_h
#define PickerIndicatorElement_h

#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
#include "core/html/HTMLDivElement.h"
#include "core/html/forms/DateTimeChooser.h"
#include "core/html/forms/DateTimeChooserClient.h"

namespace blink {

class HTMLInputElement;

class PickerIndicatorElement final : public HTMLDivElement, public DateTimeChooserClient {
public:
    // PickerIndicatorOwner implementer must call removePickerIndicatorOwner when
    // it doesn't handle event, e.g. at destruction.
    class PickerIndicatorOwner : public WillBeGarbageCollectedMixin {
    public:
        virtual ~PickerIndicatorOwner() { }
        virtual bool isPickerIndicatorOwnerDisabledOrReadOnly() const = 0;
        // FIXME: Remove. Deprecated in favor of double version.
        virtual void pickerIndicatorChooseValue(const String&) = 0;
        virtual void pickerIndicatorChooseValue(double) = 0;
        virtual Element& pickerOwnerElement() const = 0;
        virtual bool setupDateTimeChooserParameters(DateTimeChooserParameters&) = 0;
    };

    static PassRefPtrWillBeRawPtr<PickerIndicatorElement> create(Document&, PickerIndicatorOwner&);
    virtual ~PickerIndicatorElement();
    DECLARE_VIRTUAL_TRACE();

    void openPopup();
    void closePopup();
    virtual bool willRespondToMouseClickEvents() override;
    void removePickerIndicatorOwner() { m_pickerIndicatorOwner = nullptr; }
    AXObject* popupRootAXObject() const;

    // DateTimeChooserClient implementation.
    virtual Element& ownerElement() const override;
    virtual void didChooseValue(const String&) override;
    virtual void didChooseValue(double) override;
    virtual void didEndChooser() override;

private:
    PickerIndicatorElement(Document&, PickerIndicatorOwner&);
    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
    virtual void defaultEventHandler(Event*) override;
    virtual void detach(const AttachContext& = AttachContext()) override;
    virtual bool isPickerIndicatorElement() const override;
    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
    virtual void didNotifySubtreeInsertionsToDocument() override;

    HTMLInputElement* hostInput();

    RawPtrWillBeMember<PickerIndicatorOwner> m_pickerIndicatorOwner;
    RefPtr<DateTimeChooser> m_chooser;
    bool m_isInOpenPopup;
};

DEFINE_TYPE_CASTS(PickerIndicatorElement, Element, element, element->isPickerIndicatorElement(), element.isPickerIndicatorElement());

}
#endif
#endif
