| /* |
| * Copyright (C) 2010 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. |
| */ |
| |
| #include "config.h" |
| #include "core/html/ColorInputType.h" |
| |
| #include "CSSPropertyNames.h" |
| #include "RuntimeEnabledFeatures.h" |
| #include "bindings/v8/ScriptController.h" |
| #include "core/dom/MouseEvent.h" |
| #include "core/dom/shadow/ShadowRoot.h" |
| #include "core/html/HTMLDataListElement.h" |
| #include "core/html/HTMLDivElement.h" |
| #include "core/html/HTMLInputElement.h" |
| #include "core/html/HTMLOptionElement.h" |
| #include "core/html/InputTypeNames.h" |
| #include "core/page/Chrome.h" |
| #include "core/platform/graphics/Color.h" |
| #include "core/rendering/RenderView.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| static bool isValidColorString(const String& value) |
| { |
| if (value.isEmpty()) |
| return false; |
| if (value[0] != '#') |
| return false; |
| |
| // We don't accept #rgb and #aarrggbb formats. |
| if (value.length() != 7) |
| return false; |
| StyleColor color(value); |
| return color.isValid() && !color.hasAlpha(); |
| } |
| |
| PassOwnPtr<InputType> ColorInputType::create(HTMLInputElement* element) |
| { |
| return adoptPtr(new ColorInputType(element)); |
| } |
| |
| ColorInputType::~ColorInputType() |
| { |
| endColorChooser(); |
| } |
| |
| void ColorInputType::attach() |
| { |
| observeFeatureIfVisible(UseCounter::InputTypeColor); |
| } |
| |
| bool ColorInputType::isColorControl() const |
| { |
| return true; |
| } |
| |
| const AtomicString& ColorInputType::formControlType() const |
| { |
| return InputTypeNames::color(); |
| } |
| |
| bool ColorInputType::supportsRequired() const |
| { |
| return false; |
| } |
| |
| String ColorInputType::fallbackValue() const |
| { |
| return String("#000000"); |
| } |
| |
| String ColorInputType::sanitizeValue(const String& proposedValue) const |
| { |
| if (!isValidColorString(proposedValue)) |
| return fallbackValue(); |
| |
| return proposedValue.lower(); |
| } |
| |
| StyleColor ColorInputType::valueAsColor() const |
| { |
| return StyleColor(element()->value()); |
| } |
| |
| void ColorInputType::createShadowSubtree() |
| { |
| ASSERT(element()->shadow()); |
| |
| Document* document = element()->document(); |
| RefPtr<HTMLDivElement> wrapperElement = HTMLDivElement::create(document); |
| wrapperElement->setPseudo(AtomicString("-webkit-color-swatch-wrapper", AtomicString::ConstructFromLiteral)); |
| RefPtr<HTMLDivElement> colorSwatch = HTMLDivElement::create(document); |
| colorSwatch->setPseudo(AtomicString("-webkit-color-swatch", AtomicString::ConstructFromLiteral)); |
| wrapperElement->appendChild(colorSwatch.release(), ASSERT_NO_EXCEPTION); |
| element()->userAgentShadowRoot()->appendChild(wrapperElement.release(), ASSERT_NO_EXCEPTION); |
| |
| 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().color()); |
| } |
| |
| void ColorInputType::handleDOMActivateEvent(Event* event) |
| { |
| if (element()->isDisabledFormControl() || !element()->renderer()) |
| return; |
| |
| if (!ScriptController::processingUserGesture()) |
| return; |
| |
| Chrome* chrome = this->chrome(); |
| if (chrome && !m_chooser) |
| m_chooser = chrome->createColorChooser(this, valueAsColor().color()); |
| |
| event->setDefaultHandled(); |
| } |
| |
| void ColorInputType::detach() |
| { |
| endColorChooser(); |
| } |
| |
| bool ColorInputType::shouldRespectListAttribute() |
| { |
| return InputType::themeSupportsDataListUI(this); |
| } |
| |
| bool ColorInputType::typeMismatchFor(const String& value) const |
| { |
| return !isValidColorString(value); |
| } |
| |
| void ColorInputType::didChooseColor(const Color& color) |
| { |
| if (element()->isDisabledFormControl() || color == valueAsColor()) |
| return; |
| element()->setValueFromRenderer(color.serialized()); |
| updateColorSwatch(); |
| element()->dispatchFormControlChangeEvent(); |
| } |
| |
| void ColorInputType::didEndChooser() |
| { |
| m_chooser.clear(); |
| } |
| |
| void ColorInputType::endColorChooser() |
| { |
| if (m_chooser) |
| m_chooser->endChooser(); |
| } |
| |
| void ColorInputType::updateColorSwatch() |
| { |
| HTMLElement* colorSwatch = shadowColorSwatch(); |
| if (!colorSwatch) |
| return; |
| |
| colorSwatch->setInlineStyleProperty(CSSPropertyBackgroundColor, element()->value()); |
| } |
| |
| HTMLElement* ColorInputType::shadowColorSwatch() const |
| { |
| ShadowRoot* shadow = element()->userAgentShadowRoot(); |
| return shadow ? toHTMLElement(shadow->firstChild()->firstChild()) : 0; |
| } |
| |
| IntRect ColorInputType::elementRectRelativeToRootView() const |
| { |
| return element()->document()->view()->contentsToRootView(element()->pixelSnappedBoundingBox()); |
| } |
| |
| Color ColorInputType::currentColor() |
| { |
| return valueAsColor().color(); |
| } |
| |
| bool ColorInputType::shouldShowSuggestions() const |
| { |
| if (RuntimeEnabledFeatures::dataListElementEnabled()) |
| return element()->fastHasAttribute(listAttr); |
| |
| return false; |
| } |
| |
| Vector<Color> ColorInputType::suggestions() const |
| { |
| Vector<Color> suggestions; |
| if (RuntimeEnabledFeatures::dataListElementEnabled()) { |
| HTMLDataListElement* dataList = element()->dataList(); |
| if (dataList) { |
| RefPtr<HTMLCollection> options = dataList->options(); |
| for (unsigned i = 0; HTMLOptionElement* option = toHTMLOptionElement(options->item(i)); i++) { |
| if (!element()->isValidValue(option->value())) |
| continue; |
| StyleColor color(option->value()); |
| if (!color.isValid()) |
| continue; |
| suggestions.append(color.color()); |
| } |
| } |
| } |
| return suggestions; |
| } |
| |
| } // namespace WebCore |