224 lines
7.6 KiB
C++
224 lines
7.6 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Copyright (C) 2014-2018 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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "SearchInputType.h"
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#include "HTMLInputElement.h"
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#include "HTMLNames.h"
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#include "InputTypeNames.h"
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#include "KeyboardEvent.h"
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#include "RenderSearchField.h"
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#include "ShadowRoot.h"
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#include "TextControlInnerElements.h"
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namespace WebCore {
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using namespace HTMLNames;
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SearchInputType::SearchInputType(HTMLInputElement& element)
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: BaseTextInputType(Type::Search, element)
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, m_searchEventTimer(*this, &SearchInputType::searchEventTimerFired)
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{
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ASSERT(needsShadowSubtree());
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}
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void SearchInputType::addSearchResult()
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{
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#if !PLATFORM(IOS_FAMILY)
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// Normally we've got the correct renderer by the time we get here. However when the input type changes
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// we don't update the associated renderers until after the next tree update, so we could actually end up here
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// with a mismatched renderer (e.g. through form submission).
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ASSERT(element());
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if (is<RenderSearchField>(element()->renderer()))
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downcast<RenderSearchField>(*element()->renderer()).addSearchResult();
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#endif
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}
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static void updateResultButtonPseudoType(SearchFieldResultsButtonElement& resultButton, int maxResults)
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{
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static MainThreadNeverDestroyed<const AtomString> webkitSearchDecorationName("-webkit-search-decoration", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> webkitSearchResultsDecorationName("-webkit-search-results-decoration", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> webkitSearchResultsButtonName("-webkit-search-results-button", AtomString::ConstructFromLiteral);
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if (!maxResults)
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resultButton.setPseudo(webkitSearchResultsDecorationName);
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else if (maxResults < 0)
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resultButton.setPseudo(webkitSearchDecorationName);
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else
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resultButton.setPseudo(webkitSearchResultsButtonName);
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}
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void SearchInputType::attributeChanged(const QualifiedName& name)
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{
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if (name == resultsAttr) {
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if (m_resultsButton) {
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if (auto* element = this->element())
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updateResultButtonPseudoType(*m_resultsButton, element->maxResults());
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}
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}
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BaseTextInputType::attributeChanged(name);
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}
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RenderPtr<RenderElement> SearchInputType::createInputRenderer(RenderStyle&& style)
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{
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ASSERT(element());
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return createRenderer<RenderSearchField>(*element(), WTFMove(style));
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}
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const AtomString& SearchInputType::formControlType() const
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{
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return InputTypeNames::search();
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}
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bool SearchInputType::needsContainer() const
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{
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return true;
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}
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void SearchInputType::createShadowSubtreeAndUpdateInnerTextElementEditability(ContainerNode::ChildChange::Source source, bool isInnerTextElementEditable)
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{
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ASSERT(needsShadowSubtree());
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ASSERT(!m_resultsButton);
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ASSERT(!m_cancelButton);
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TextFieldInputType::createShadowSubtreeAndUpdateInnerTextElementEditability(source, isInnerTextElementEditable);
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RefPtr<HTMLElement> container = containerElement();
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RefPtr<HTMLElement> textWrapper = innerBlockElement();
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ASSERT(container);
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ASSERT(textWrapper);
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ASSERT(element());
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m_resultsButton = SearchFieldResultsButtonElement::create(element()->document());
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updateResultButtonPseudoType(*m_resultsButton, element()->maxResults());
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container->insertBefore(*m_resultsButton, textWrapper.get());
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m_cancelButton = SearchFieldCancelButtonElement::create(element()->document());
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container->insertBefore(*m_cancelButton, textWrapper->nextSibling());
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}
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HTMLElement* SearchInputType::resultsButtonElement() const
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{
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return m_resultsButton.get();
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}
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HTMLElement* SearchInputType::cancelButtonElement() const
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{
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return m_cancelButton.get();
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}
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auto SearchInputType::handleKeydownEvent(KeyboardEvent& event) -> ShouldCallBaseEventHandler
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{
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ASSERT(element());
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if (element()->isDisabledOrReadOnly())
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return TextFieldInputType::handleKeydownEvent(event);
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const String& key = event.keyIdentifier();
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if (key == "U+001B") {
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Ref<HTMLInputElement> protectedInputElement(*element());
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protectedInputElement->setValueForUser(emptyString());
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protectedInputElement->onSearch();
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event.setDefaultHandled();
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return ShouldCallBaseEventHandler::Yes;
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}
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return TextFieldInputType::handleKeydownEvent(event);
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}
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void SearchInputType::destroyShadowSubtree()
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{
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TextFieldInputType::destroyShadowSubtree();
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m_resultsButton = nullptr;
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m_cancelButton = nullptr;
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}
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void SearchInputType::startSearchEventTimer()
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{
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ASSERT(element());
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ASSERT(element()->renderer());
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unsigned length = element()->innerTextValue().length();
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if (!length) {
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m_searchEventTimer.startOneShot(0_ms);
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return;
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}
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// After typing the first key, we wait 0.5 seconds.
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// After the second key, 0.4 seconds, then 0.3, then 0.2 from then on.
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m_searchEventTimer.startOneShot(std::max(200_ms, 600_ms - 100_ms * length));
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}
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void SearchInputType::stopSearchEventTimer()
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{
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m_searchEventTimer.stop();
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}
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void SearchInputType::searchEventTimerFired()
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{
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ASSERT(element());
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element()->onSearch();
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}
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bool SearchInputType::searchEventsShouldBeDispatched() const
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{
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ASSERT(element());
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return element()->hasAttributeWithoutSynchronization(incrementalAttr);
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}
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void SearchInputType::didSetValueByUserEdit()
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{
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ASSERT(element());
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if (m_cancelButton && is<RenderSearchField>(element()->renderer()))
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downcast<RenderSearchField>(*element()->renderer()).updateCancelButtonVisibility();
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// If the incremental attribute is set, then dispatch the search event
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if (searchEventsShouldBeDispatched())
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startSearchEventTimer();
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TextFieldInputType::didSetValueByUserEdit();
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}
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bool SearchInputType::sizeShouldIncludeDecoration(int, int& preferredSize) const
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{
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ASSERT(element());
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preferredSize = element()->size();
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return true;
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}
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float SearchInputType::decorationWidth() const
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{
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float width = 0;
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if (m_resultsButton)
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width += m_resultsButton->computedStyle()->logicalWidth().value();
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if (m_cancelButton)
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width += m_cancelButton->computedStyle()->logicalWidth().value();
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return width;
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}
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} // namespace WebCore
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