210 lines
6.2 KiB
C++
210 lines
6.2 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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* Copyright (C) 2020 Apple 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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DateTimeFieldElement.h"
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#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
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#include "CSSPropertyNames.h"
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#include "DateComponents.h"
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#include "EventNames.h"
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#include "HTMLNames.h"
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#include "KeyboardEvent.h"
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#include "LocalizedStrings.h"
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#include "PlatformLocale.h"
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#include "RenderStyle.h"
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#include "RenderTheme.h"
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#include "StyleResolver.h"
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#include "Text.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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using namespace HTMLNames;
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WTF_MAKE_ISO_ALLOCATED_IMPL(DateTimeFieldElement);
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DateTimeFieldElement::FieldOwner::~FieldOwner() = default;
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DateTimeFieldElement::DateTimeFieldElement(Document& document, FieldOwner& fieldOwner)
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: HTMLDivElement(divTag, document)
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, m_fieldOwner(makeWeakPtr(fieldOwner))
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{
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setHasCustomStyleResolveCallbacks();
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}
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void DateTimeFieldElement::initialize(const AtomString& pseudo)
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{
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setPseudo(pseudo);
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}
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std::optional<Style::ElementStyle> DateTimeFieldElement::resolveCustomStyle(const RenderStyle& parentStyle, const RenderStyle* shadowHostStyle)
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{
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auto elementStyle = resolveStyle(&parentStyle);
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if (!elementStyle.renderStyle)
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return std::nullopt;
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auto& style = *elementStyle.renderStyle;
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adjustMinWidth(style);
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if (!hasValue() && shadowHostStyle) {
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auto textColor = shadowHostStyle->visitedDependentColorWithColorFilter(CSSPropertyColor);
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auto backgroundColor = shadowHostStyle->visitedDependentColorWithColorFilter(CSSPropertyBackgroundColor);
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style.setColor(RenderTheme::singleton().datePlaceholderTextColor(textColor, backgroundColor));
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}
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return elementStyle;
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}
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void DateTimeFieldElement::defaultEventHandler(Event& event)
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{
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if (event.type() == eventNames().blurEvent)
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handleBlurEvent(event);
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if (is<KeyboardEvent>(event)) {
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auto& keyboardEvent = downcast<KeyboardEvent>(event);
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if (!isFieldOwnerDisabled() && !isFieldOwnerReadOnly()) {
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handleKeyboardEvent(keyboardEvent);
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if (keyboardEvent.defaultHandled())
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return;
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}
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defaultKeyboardEventHandler(keyboardEvent);
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if (keyboardEvent.defaultHandled())
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return;
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}
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HTMLDivElement::defaultEventHandler(event);
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}
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void DateTimeFieldElement::defaultKeyboardEventHandler(KeyboardEvent& keyboardEvent)
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{
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if (isFieldOwnerDisabled())
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return;
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if (keyboardEvent.type() != eventNames().keydownEvent)
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return;
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auto key = keyboardEvent.keyIdentifier();
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auto code = keyboardEvent.code();
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if (key == "Left" && m_fieldOwner && m_fieldOwner->focusOnPreviousField(*this)) {
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keyboardEvent.setDefaultHandled();
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return;
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}
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if ((key == "Right" || code == "Comma" || code == "Minus" || code == "Period" || code == "Slash" || code == "Semicolon")
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&& m_fieldOwner && m_fieldOwner->focusOnNextField(*this)) {
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keyboardEvent.setDefaultHandled();
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return;
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}
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if (isFieldOwnerReadOnly())
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return;
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if (key == "Up") {
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stepUp();
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keyboardEvent.setDefaultHandled();
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return;
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}
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if (key == "Down") {
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stepDown();
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keyboardEvent.setDefaultHandled();
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return;
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}
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// Clear value when pressing backspace or delete.
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if (key == "U+0008" || key == "U+007F") {
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setEmptyValue(DispatchInputAndChangeEvents);
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keyboardEvent.setDefaultHandled();
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return;
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}
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}
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bool DateTimeFieldElement::isFieldOwnerDisabled() const
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{
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return m_fieldOwner && m_fieldOwner->isFieldOwnerDisabled();
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}
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bool DateTimeFieldElement::isFieldOwnerReadOnly() const
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{
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return m_fieldOwner && m_fieldOwner->isFieldOwnerReadOnly();
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}
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bool DateTimeFieldElement::isFocusable() const
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{
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if (isFieldOwnerDisabled())
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return false;
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return HTMLElement::isFocusable();
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}
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void DateTimeFieldElement::handleBlurEvent(Event& event)
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{
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if (m_fieldOwner)
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m_fieldOwner->didBlurFromField(event);
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}
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Locale& DateTimeFieldElement::localeForOwner() const
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{
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return document().getCachedLocale(localeIdentifier());
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}
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AtomString DateTimeFieldElement::localeIdentifier() const
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{
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return m_fieldOwner ? m_fieldOwner->localeIdentifier() : nullAtom();
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}
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String DateTimeFieldElement::visibleValue() const
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{
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return hasValue() ? value() : placeholderValue();
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}
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void DateTimeFieldElement::updateVisibleValue(EventBehavior eventBehavior)
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{
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if (!firstChild())
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appendChild(Text::create(document(), emptyString()));
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auto& textNode = downcast<Text>(*firstChild());
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String newVisibleValue = visibleValue();
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if (textNode.wholeText() != newVisibleValue)
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textNode.replaceWholeText(newVisibleValue);
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if (eventBehavior == DispatchInputAndChangeEvents && m_fieldOwner)
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m_fieldOwner->fieldValueChanged();
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}
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bool DateTimeFieldElement::supportsFocus() const
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{
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return true;
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}
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} // namespace WebCore
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#endif // ENABLE(DATE_AND_TIME_INPUT_TYPES)
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