| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2014-2018 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" |
| #include "SearchInputType.h" |
| |
| #include "HTMLInputElement.h" |
| #include "HTMLNames.h" |
| #include "InputTypeNames.h" |
| #include "KeyboardEvent.h" |
| #include "RenderSearchField.h" |
| #include "ShadowRoot.h" |
| #include "TextControlInnerElements.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| SearchInputType::SearchInputType(HTMLInputElement& element) |
| : BaseTextInputType(element) |
| , m_searchEventTimer(*this, &SearchInputType::searchEventTimerFired) |
| { |
| } |
| |
| void SearchInputType::addSearchResult() |
| { |
| #if !PLATFORM(IOS_FAMILY) |
| // Normally we've got the correct renderer by the time we get here. However when the input type changes |
| // we don't update the associated renderers until after the next tree update, so we could actually end up here |
| // with a mismatched renderer (e.g. through form submission). |
| ASSERT(element()); |
| if (is<RenderSearchField>(element()->renderer())) |
| downcast<RenderSearchField>(*element()->renderer()).addSearchResult(); |
| #endif |
| } |
| |
| static void updateResultButtonPseudoType(SearchFieldResultsButtonElement& resultButton, int maxResults) |
| { |
| if (!maxResults) |
| resultButton.setPseudo(AtomString("-webkit-search-results-decoration", AtomString::ConstructFromLiteral)); |
| else if (maxResults < 0) |
| resultButton.setPseudo(AtomString("-webkit-search-decoration", AtomString::ConstructFromLiteral)); |
| else |
| resultButton.setPseudo(AtomString("-webkit-search-results-button", AtomString::ConstructFromLiteral)); |
| } |
| |
| void SearchInputType::attributeChanged(const QualifiedName& name) |
| { |
| if (name == resultsAttr) { |
| if (m_resultsButton) { |
| if (auto* element = this->element()) |
| updateResultButtonPseudoType(*m_resultsButton, element->maxResults()); |
| } |
| } |
| BaseTextInputType::attributeChanged(name); |
| } |
| |
| RenderPtr<RenderElement> SearchInputType::createInputRenderer(RenderStyle&& style) |
| { |
| ASSERT(element()); |
| return createRenderer<RenderSearchField>(*element(), WTFMove(style)); |
| } |
| |
| const AtomString& SearchInputType::formControlType() const |
| { |
| return InputTypeNames::search(); |
| } |
| |
| bool SearchInputType::isSearchField() const |
| { |
| return true; |
| } |
| |
| bool SearchInputType::needsContainer() const |
| { |
| return true; |
| } |
| |
| void SearchInputType::createShadowSubtree() |
| { |
| ASSERT(!m_resultsButton); |
| ASSERT(!m_cancelButton); |
| |
| TextFieldInputType::createShadowSubtree(); |
| RefPtr<HTMLElement> container = containerElement(); |
| RefPtr<HTMLElement> textWrapper = innerBlockElement(); |
| ASSERT(container); |
| ASSERT(textWrapper); |
| |
| ASSERT(element()); |
| m_resultsButton = SearchFieldResultsButtonElement::create(element()->document()); |
| updateResultButtonPseudoType(*m_resultsButton, element()->maxResults()); |
| container->insertBefore(*m_resultsButton, textWrapper.get()); |
| |
| m_cancelButton = SearchFieldCancelButtonElement::create(element()->document()); |
| container->insertBefore(*m_cancelButton, textWrapper->nextSibling()); |
| } |
| |
| HTMLElement* SearchInputType::resultsButtonElement() const |
| { |
| return m_resultsButton.get(); |
| } |
| |
| HTMLElement* SearchInputType::cancelButtonElement() const |
| { |
| return m_cancelButton.get(); |
| } |
| |
| auto SearchInputType::handleKeydownEvent(KeyboardEvent& event) -> ShouldCallBaseEventHandler |
| { |
| ASSERT(element()); |
| if (element()->isDisabledOrReadOnly()) |
| return TextFieldInputType::handleKeydownEvent(event); |
| |
| const String& key = event.keyIdentifier(); |
| if (key == "U+001B") { |
| Ref<HTMLInputElement> protectedInputElement(*element()); |
| protectedInputElement->setValueForUser(emptyString()); |
| protectedInputElement->onSearch(); |
| event.setDefaultHandled(); |
| return ShouldCallBaseEventHandler::Yes; |
| } |
| return TextFieldInputType::handleKeydownEvent(event); |
| } |
| |
| void SearchInputType::destroyShadowSubtree() |
| { |
| TextFieldInputType::destroyShadowSubtree(); |
| m_resultsButton = nullptr; |
| m_cancelButton = nullptr; |
| } |
| |
| void SearchInputType::startSearchEventTimer() |
| { |
| ASSERT(element()); |
| ASSERT(element()->renderer()); |
| unsigned length = element()->innerTextValue().length(); |
| |
| if (!length) { |
| m_searchEventTimer.startOneShot(0_ms); |
| return; |
| } |
| |
| // After typing the first key, we wait 0.5 seconds. |
| // After the second key, 0.4 seconds, then 0.3, then 0.2 from then on. |
| m_searchEventTimer.startOneShot(std::max(200_ms, 600_ms - 100_ms * length)); |
| } |
| |
| void SearchInputType::stopSearchEventTimer() |
| { |
| m_searchEventTimer.stop(); |
| } |
| |
| void SearchInputType::searchEventTimerFired() |
| { |
| ASSERT(element()); |
| element()->onSearch(); |
| } |
| |
| bool SearchInputType::searchEventsShouldBeDispatched() const |
| { |
| ASSERT(element()); |
| return element()->hasAttributeWithoutSynchronization(incrementalAttr); |
| } |
| |
| void SearchInputType::didSetValueByUserEdit() |
| { |
| ASSERT(element()); |
| if (m_cancelButton && is<RenderSearchField>(element()->renderer())) |
| downcast<RenderSearchField>(*element()->renderer()).updateCancelButtonVisibility(); |
| // If the incremental attribute is set, then dispatch the search event |
| if (searchEventsShouldBeDispatched()) |
| startSearchEventTimer(); |
| |
| TextFieldInputType::didSetValueByUserEdit(); |
| } |
| |
| bool SearchInputType::sizeShouldIncludeDecoration(int, int& preferredSize) const |
| { |
| ASSERT(element()); |
| preferredSize = element()->size(); |
| return true; |
| } |
| |
| float SearchInputType::decorationWidth() const |
| { |
| float width = 0; |
| if (m_resultsButton) |
| width += m_resultsButton->computedStyle()->logicalWidth().value(); |
| if (m_cancelButton) |
| width += m_cancelButton->computedStyle()->logicalWidth().value(); |
| return width; |
| } |
| |
| } // namespace WebCore |