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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     33 #include "core/html/shadow/PickerIndicatorElement.h"
     34 
     35 #include "core/events/Event.h"
     36 #include "core/html/shadow/ShadowElementNames.h"
     37 #include "core/page/Chrome.h"
     38 #include "core/page/Page.h"
     39 #include "core/rendering/RenderDetailsMarker.h"
     40 #include "wtf/TemporaryChange.h"
     41 
     42 using namespace WTF::Unicode;
     43 
     44 namespace WebCore {
     45 
     46 using namespace HTMLNames;
     47 
     48 inline PickerIndicatorElement::PickerIndicatorElement(Document& document, PickerIndicatorOwner& pickerIndicatorOwner)
     49     : HTMLDivElement(document)
     50     , m_pickerIndicatorOwner(&pickerIndicatorOwner)
     51     , m_isInOpenPopup(false)
     52 {
     53 }
     54 
     55 PassRefPtrWillBeRawPtr<PickerIndicatorElement> PickerIndicatorElement::create(Document& document, PickerIndicatorOwner& pickerIndicatorOwner)
     56 {
     57     RefPtrWillBeRawPtr<PickerIndicatorElement> element = adoptRefWillBeNoop(new PickerIndicatorElement(document, pickerIndicatorOwner));
     58     element->setShadowPseudoId(AtomicString("-webkit-calendar-picker-indicator", AtomicString::ConstructFromLiteral));
     59     element->setAttribute(idAttr, ShadowElementNames::pickerIndicator());
     60     return element.release();
     61 }
     62 
     63 PickerIndicatorElement::~PickerIndicatorElement()
     64 {
     65 }
     66 
     67 RenderObject* PickerIndicatorElement::createRenderer(RenderStyle*)
     68 {
     69     return new RenderDetailsMarker(this);
     70 }
     71 
     72 void PickerIndicatorElement::defaultEventHandler(Event* event)
     73 {
     74     if (!renderer())
     75         return;
     76     if (!m_pickerIndicatorOwner || m_pickerIndicatorOwner->isPickerIndicatorOwnerDisabledOrReadOnly())
     77         return;
     78 
     79     if (event->type() == EventTypeNames::click) {
     80         openPopup();
     81         event->setDefaultHandled();
     82     }
     83 
     84     if (!event->defaultHandled())
     85         HTMLDivElement::defaultEventHandler(event);
     86 }
     87 
     88 bool PickerIndicatorElement::willRespondToMouseClickEvents()
     89 {
     90     if (renderer() && m_pickerIndicatorOwner && !m_pickerIndicatorOwner->isPickerIndicatorOwnerDisabledOrReadOnly())
     91         return true;
     92 
     93     return HTMLDivElement::willRespondToMouseClickEvents();
     94 }
     95 
     96 void PickerIndicatorElement::didChooseValue(const String& value)
     97 {
     98     if (!m_pickerIndicatorOwner)
     99         return;
    100     m_pickerIndicatorOwner->pickerIndicatorChooseValue(value);
    101 }
    102 
    103 void PickerIndicatorElement::didChooseValue(double value)
    104 {
    105     if (m_pickerIndicatorOwner)
    106         m_pickerIndicatorOwner->pickerIndicatorChooseValue(value);
    107 }
    108 
    109 void PickerIndicatorElement::didEndChooser()
    110 {
    111     m_chooser.clear();
    112 }
    113 
    114 void PickerIndicatorElement::openPopup()
    115 {
    116     // The m_isInOpenPopup flag is unnecessary in production.
    117     // MockPagePopupDriver allows to execute JavaScript code in
    118     // DateTimeChooserImpl constructor. It might create another DateTimeChooser.
    119     if (m_isInOpenPopup)
    120         return;
    121     TemporaryChange<bool> reentrancyProtector(m_isInOpenPopup, true);
    122     if (m_chooser)
    123         return;
    124     if (!document().page())
    125         return;
    126     if (!m_pickerIndicatorOwner)
    127         return;
    128     DateTimeChooserParameters parameters;
    129     if (!m_pickerIndicatorOwner->setupDateTimeChooserParameters(parameters))
    130         return;
    131     m_chooser = document().page()->chrome().openDateTimeChooser(this, parameters);
    132 }
    133 
    134 void PickerIndicatorElement::closePopup()
    135 {
    136     if (!m_chooser)
    137         return;
    138     m_chooser->endChooser();
    139 }
    140 
    141 void PickerIndicatorElement::detach(const AttachContext& context)
    142 {
    143     closePopup();
    144     HTMLDivElement::detach(context);
    145 }
    146 
    147 bool PickerIndicatorElement::isPickerIndicatorElement() const
    148 {
    149     return true;
    150 }
    151 
    152 void PickerIndicatorElement::trace(Visitor* visitor)
    153 {
    154     visitor->trace(m_pickerIndicatorOwner);
    155     visitor->trace(m_chooser);
    156     HTMLDivElement::trace(visitor);
    157     DateTimeChooserClient::trace(visitor);
    158 }
    159 
    160 }
    161 
    162 #endif
    163