| /* |
| * 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 "third_party/blink/renderer/core/html/forms/html_output_element.h" |
| |
| #include "third_party/blink/renderer/core/html_names.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| HTMLOutputElement::HTMLOutputElement(Document& document) |
| : HTMLFormControlElement(html_names::kOutputTag, document), |
| is_default_value_mode_(true), |
| default_value_(""), |
| tokens_(MakeGarbageCollected<DOMTokenList>(*this, html_names::kForAttr)) { |
| } |
| |
| HTMLOutputElement::~HTMLOutputElement() = default; |
| |
| const AtomicString& HTMLOutputElement::FormControlType() const { |
| DEFINE_STATIC_LOCAL(const AtomicString, output, ("output")); |
| return output; |
| } |
| |
| bool HTMLOutputElement::IsDisabledFormControl() const { |
| return false; |
| } |
| |
| bool HTMLOutputElement::MatchesEnabledPseudoClass() const { |
| return false; |
| } |
| |
| bool HTMLOutputElement::SupportsFocus() const { |
| return HTMLElement::SupportsFocus(); |
| } |
| |
| void HTMLOutputElement::ParseAttribute( |
| const AttributeModificationParams& params) { |
| if (params.name == html_names::kForAttr) |
| tokens_->DidUpdateAttributeValue(params.old_value, params.new_value); |
| else |
| HTMLFormControlElement::ParseAttribute(params); |
| } |
| |
| DOMTokenList* HTMLOutputElement::htmlFor() const { |
| return tokens_.Get(); |
| } |
| |
| void HTMLOutputElement::ChildrenChanged(const ChildrenChange& change) { |
| HTMLFormControlElement::ChildrenChanged(change); |
| |
| if (is_default_value_mode_) |
| default_value_ = textContent(); |
| } |
| |
| void HTMLOutputElement::ResetImpl() { |
| // The reset algorithm for output elements is to set the element's |
| // value mode flag to "default" and then to set the element's textContent |
| // attribute to the default value. |
| if (default_value_ == value()) |
| return; |
| setTextContent(default_value_); |
| is_default_value_mode_ = true; |
| } |
| |
| String HTMLOutputElement::value() const { |
| return textContent(); |
| } |
| |
| void HTMLOutputElement::setValue(const String& value) { |
| // The value mode flag set to "value" when the value attribute is set. |
| is_default_value_mode_ = false; |
| if (value == this->value()) |
| return; |
| setTextContent(value); |
| } |
| |
| String HTMLOutputElement::defaultValue() const { |
| return default_value_; |
| } |
| |
| void HTMLOutputElement::setDefaultValue(const String& value) { |
| if (default_value_ == value) |
| return; |
| default_value_ = value; |
| // The spec requires the value attribute set to the default value |
| // when the element's value mode flag to "default". |
| if (is_default_value_mode_) |
| setTextContent(value); |
| } |
| |
| int HTMLOutputElement::tabIndex() const { |
| return HTMLElement::tabIndex(); |
| } |
| |
| void HTMLOutputElement::Trace(Visitor* visitor) { |
| visitor->Trace(tokens_); |
| HTMLFormControlElement::Trace(visitor); |
| } |
| |
| } // namespace blink |