| /* |
| * 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/forms/SearchInputType.h" |
| |
| #include "bindings/v8/ExceptionStatePlaceholder.h" |
| #include "core/HTMLNames.h" |
| #include "core/InputTypeNames.h" |
| #include "core/events/KeyboardEvent.h" |
| #include "core/dom/shadow/ShadowRoot.h" |
| #include "core/html/HTMLInputElement.h" |
| #include "core/html/shadow/ShadowElementNames.h" |
| #include "core/html/shadow/TextControlInnerElements.h" |
| #include "core/rendering/RenderSearchField.h" |
| #include "wtf/PassOwnPtr.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| inline SearchInputType::SearchInputType(HTMLInputElement& element) |
| : BaseTextInputType(element) |
| , m_searchEventTimer(this, &SearchInputType::searchEventTimerFired) |
| { |
| } |
| |
| PassRefPtrWillBeRawPtr<InputType> SearchInputType::create(HTMLInputElement& element) |
| { |
| return adoptRefWillBeNoop(new SearchInputType(element)); |
| } |
| |
| void SearchInputType::countUsage() |
| { |
| countUsageIfVisible(UseCounter::InputTypeSearch); |
| } |
| |
| RenderObject* SearchInputType::createRenderer(RenderStyle*) const |
| { |
| return new RenderSearchField(&element()); |
| } |
| |
| const AtomicString& SearchInputType::formControlType() const |
| { |
| return InputTypeNames::search; |
| } |
| |
| bool SearchInputType::shouldRespectSpeechAttribute() |
| { |
| return true; |
| } |
| |
| bool SearchInputType::isSearchField() const |
| { |
| return true; |
| } |
| |
| bool SearchInputType::needsContainer() const |
| { |
| return true; |
| } |
| |
| void SearchInputType::createShadowSubtree() |
| { |
| TextFieldInputType::createShadowSubtree(); |
| Element* container = containerElement(); |
| Element* viewPort = element().userAgentShadowRoot()->getElementById(ShadowElementNames::editingViewPort()); |
| ASSERT(container); |
| ASSERT(viewPort); |
| |
| container->insertBefore(SearchFieldDecorationElement::create(element().document()), viewPort); |
| container->insertBefore(SearchFieldCancelButtonElement::create(element().document()), viewPort->nextSibling()); |
| } |
| |
| void SearchInputType::handleKeydownEvent(KeyboardEvent* event) |
| { |
| if (element().isDisabledOrReadOnly()) { |
| TextFieldInputType::handleKeydownEvent(event); |
| return; |
| } |
| |
| const String& key = event->keyIdentifier(); |
| if (key == "U+001B") { |
| RefPtrWillBeRawPtr<HTMLInputElement> input(element()); |
| input->setValueForUser(""); |
| input->onSearch(); |
| event->setDefaultHandled(); |
| return; |
| } |
| TextFieldInputType::handleKeydownEvent(event); |
| } |
| |
| void SearchInputType::startSearchEventTimer() |
| { |
| ASSERT(element().renderer()); |
| unsigned length = element().innerEditorValue().length(); |
| |
| if (!length) { |
| stopSearchEventTimer(); |
| element().onSearch(); |
| 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(max(0.2, 0.6 - 0.1 * length), FROM_HERE); |
| } |
| |
| void SearchInputType::stopSearchEventTimer() |
| { |
| m_searchEventTimer.stop(); |
| } |
| |
| void SearchInputType::searchEventTimerFired(Timer<SearchInputType>*) |
| { |
| element().onSearch(); |
| } |
| |
| bool SearchInputType::searchEventsShouldBeDispatched() const |
| { |
| return element().hasAttribute(incrementalAttr); |
| } |
| |
| void SearchInputType::didSetValueByUserEdit(ValueChangeState state) |
| { |
| updateCancelButtonVisibility(); |
| |
| // If the incremental attribute is set, then dispatch the search event |
| if (searchEventsShouldBeDispatched()) |
| startSearchEventTimer(); |
| |
| TextFieldInputType::didSetValueByUserEdit(state); |
| } |
| |
| void SearchInputType::updateView() |
| { |
| BaseTextInputType::updateView(); |
| updateCancelButtonVisibility(); |
| } |
| |
| void SearchInputType::updateCancelButtonVisibility() |
| { |
| Element* button = element().userAgentShadowRoot()->getElementById(ShadowElementNames::clearButton()); |
| if (!button) |
| return; |
| if (element().value().isEmpty()) { |
| button->setInlineStyleProperty(CSSPropertyOpacity, 0.0, CSSPrimitiveValue::CSS_NUMBER); |
| button->setInlineStyleProperty(CSSPropertyPointerEvents, CSSValueNone); |
| } else { |
| button->removeInlineStyleProperty(CSSPropertyOpacity); |
| button->removeInlineStyleProperty(CSSPropertyPointerEvents); |
| } |
| } |
| |
| bool SearchInputType::supportsInputModeAttribute() const |
| { |
| return true; |
| } |
| |
| } // namespace WebCore |