| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2015-2020 Apple 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. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(INPUT_TYPE_COLOR) |
| |
| #include "ColorInputType.h" |
| |
| #include "CSSPropertyNames.h" |
| #include "Chrome.h" |
| #include "Color.h" |
| #include "Event.h" |
| #include "HTMLDataListElement.h" |
| #include "HTMLDivElement.h" |
| #include "HTMLInputElement.h" |
| #include "HTMLOptionElement.h" |
| #include "InputTypeNames.h" |
| #include "RenderView.h" |
| #include "ScopedEventQueue.h" |
| #include "ShadowRoot.h" |
| #include "UserGestureIndicator.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| // https://html.spec.whatwg.org/multipage/infrastructure.html#valid-simple-colour |
| static bool isValidSimpleColor(StringView string) |
| { |
| if (string.length() != 7) |
| return false; |
| if (string[0] != '#') |
| return false; |
| for (unsigned i = 1; i < 7; ++i) { |
| if (!isASCIIHexDigit(string[i])) |
| return false; |
| } |
| return true; |
| } |
| |
| // https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#rules-for-parsing-simple-colour-values |
| static Optional<RGBA32> parseSimpleColorValue(StringView string) |
| { |
| if (!isValidSimpleColor(string)) |
| return WTF::nullopt; |
| return makeRGB(toASCIIHexValue(string[1], string[2]), toASCIIHexValue(string[3], string[4]), toASCIIHexValue(string[5], string[6])); |
| } |
| |
| ColorInputType::~ColorInputType() |
| { |
| endColorChooser(); |
| } |
| |
| bool ColorInputType::isMouseFocusable() const |
| { |
| ASSERT(element()); |
| return element()->isTextFormControlFocusable(); |
| } |
| |
| bool ColorInputType::isKeyboardFocusable(KeyboardEvent*) const |
| { |
| ASSERT(element()); |
| #if PLATFORM(IOS_FAMILY) |
| if (element()->isReadOnly()) |
| return false; |
| |
| return element()->isTextFormControlFocusable(); |
| #endif |
| return false; |
| } |
| |
| bool ColorInputType::isColorControl() const |
| { |
| return true; |
| } |
| |
| bool ColorInputType::isPresentingAttachedView() const |
| { |
| return !!m_chooser; |
| } |
| |
| const AtomString& ColorInputType::formControlType() const |
| { |
| return InputTypeNames::color(); |
| } |
| |
| bool ColorInputType::supportsRequired() const |
| { |
| return false; |
| } |
| |
| String ColorInputType::fallbackValue() const |
| { |
| return "#000000"_s; |
| } |
| |
| String ColorInputType::sanitizeValue(const String& proposedValue) const |
| { |
| if (!isValidSimpleColor(proposedValue)) |
| return fallbackValue(); |
| |
| return proposedValue.convertToASCIILowercase(); |
| } |
| |
| Color ColorInputType::valueAsColor() const |
| { |
| ASSERT(element()); |
| return parseSimpleColorValue(element()->value()).value(); |
| } |
| |
| void ColorInputType::createShadowSubtree() |
| { |
| ASSERT(element()); |
| ASSERT(element()->shadowRoot()); |
| |
| Document& document = element()->document(); |
| auto wrapperElement = HTMLDivElement::create(document); |
| wrapperElement->setPseudo(AtomString("-webkit-color-swatch-wrapper", AtomString::ConstructFromLiteral)); |
| auto colorSwatch = HTMLDivElement::create(document); |
| colorSwatch->setPseudo(AtomString("-webkit-color-swatch", AtomString::ConstructFromLiteral)); |
| wrapperElement->appendChild(colorSwatch); |
| element()->userAgentShadowRoot()->appendChild(wrapperElement); |
| |
| updateColorSwatch(); |
| } |
| |
| void ColorInputType::setValue(const String& value, bool valueChanged, TextFieldEventBehavior eventBehavior) |
| { |
| InputType::setValue(value, valueChanged, eventBehavior); |
| |
| if (!valueChanged) |
| return; |
| |
| updateColorSwatch(); |
| if (m_chooser) |
| m_chooser->setSelectedColor(valueAsColor()); |
| } |
| |
| void ColorInputType::handleDOMActivateEvent(Event& event) |
| { |
| ASSERT(element()); |
| if (element()->isDisabledFormControl() || !element()->renderer()) |
| return; |
| |
| if (!UserGestureIndicator::processingUserGesture()) |
| return; |
| |
| if (Chrome* chrome = this->chrome()) { |
| if (!m_chooser) |
| m_chooser = chrome->createColorChooser(*this, valueAsColor()); |
| else |
| m_chooser->reattachColorChooser(valueAsColor()); |
| } |
| |
| event.setDefaultHandled(); |
| } |
| |
| void ColorInputType::detach() |
| { |
| endColorChooser(); |
| } |
| |
| void ColorInputType::elementDidBlur() |
| { |
| endColorChooser(); |
| } |
| |
| bool ColorInputType::shouldRespectListAttribute() |
| { |
| return true; |
| } |
| |
| bool ColorInputType::typeMismatchFor(const String& value) const |
| { |
| return !isValidSimpleColor(value); |
| } |
| |
| bool ColorInputType::shouldResetOnDocumentActivation() |
| { |
| return true; |
| } |
| |
| void ColorInputType::didChooseColor(const Color& color) |
| { |
| ASSERT(element()); |
| if (element()->isDisabledFormControl() || color == valueAsColor()) |
| return; |
| EventQueueScope scope; |
| element()->setValueFromRenderer(color.serialized()); |
| updateColorSwatch(); |
| element()->dispatchFormControlChangeEvent(); |
| } |
| |
| void ColorInputType::didEndChooser() |
| { |
| m_chooser = nullptr; |
| if (element()->renderer()) |
| element()->renderer()->repaint(); |
| } |
| |
| void ColorInputType::endColorChooser() |
| { |
| if (m_chooser) |
| m_chooser->endChooser(); |
| } |
| |
| void ColorInputType::updateColorSwatch() |
| { |
| RefPtr<HTMLElement> colorSwatch = shadowColorSwatch(); |
| if (!colorSwatch) |
| return; |
| |
| ASSERT(element()); |
| colorSwatch->setInlineStyleProperty(CSSPropertyBackgroundColor, element()->value(), false); |
| } |
| |
| HTMLElement* ColorInputType::shadowColorSwatch() const |
| { |
| ASSERT(element()); |
| RefPtr<ShadowRoot> shadow = element()->userAgentShadowRoot(); |
| if (!shadow) |
| return nullptr; |
| |
| auto wrapper = childrenOfType<HTMLDivElement>(*shadow).first(); |
| if (!wrapper) |
| return nullptr; |
| |
| return childrenOfType<HTMLDivElement>(*wrapper).first(); |
| } |
| |
| IntRect ColorInputType::elementRectRelativeToRootView() const |
| { |
| ASSERT(element()); |
| if (!element()->renderer()) |
| return IntRect(); |
| return element()->document().view()->contentsToRootView(element()->renderer()->absoluteBoundingBoxRect()); |
| } |
| |
| Color ColorInputType::currentColor() |
| { |
| return valueAsColor(); |
| } |
| |
| bool ColorInputType::shouldShowSuggestions() const |
| { |
| #if ENABLE(DATALIST_ELEMENT) |
| ASSERT(element()); |
| return element()->hasAttributeWithoutSynchronization(listAttr); |
| #else |
| return false; |
| #endif |
| } |
| |
| Vector<Color> ColorInputType::suggestedColors() const |
| { |
| Vector<Color> suggestions; |
| #if ENABLE(DATALIST_ELEMENT) |
| ASSERT(element()); |
| if (auto dataList = element()->dataList()) { |
| for (auto& option : dataList->suggestions()) { |
| if (auto color = parseSimpleColorValue(option.value())) |
| suggestions.append(*color); |
| } |
| } |
| #endif |
| return suggestions; |
| } |
| |
| void ColorInputType::selectColor(StringView string) |
| { |
| if (auto color = parseSimpleColorValue(string)) |
| didChooseColor(color.value()); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(INPUT_TYPE_COLOR) |