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Diffstat (limited to 'Source/WebCore/html/HTMLOutputElement.cpp')
-rw-r--r-- | Source/WebCore/html/HTMLOutputElement.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/Source/WebCore/html/HTMLOutputElement.cpp b/Source/WebCore/html/HTMLOutputElement.cpp new file mode 100644 index 0000000..2f1d490 --- /dev/null +++ b/Source/WebCore/html/HTMLOutputElement.cpp @@ -0,0 +1,137 @@ +/* + * 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 "HTMLOutputElement.h" + +#include "HTMLFormElement.h" +#include "HTMLNames.h" + +namespace WebCore { + +inline HTMLOutputElement::HTMLOutputElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form) + : HTMLFormControlElement(tagName, document, form) + , m_isDefaultValueMode(true) + , m_isSetTextContentInProgress(false) + , m_defaultValue("") + , m_tokens(DOMSettableTokenList::create()) +{ +} + +PassRefPtr<HTMLOutputElement> HTMLOutputElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form) +{ + return adoptRef(new HTMLOutputElement(tagName, document, form)); +} + +const AtomicString& HTMLOutputElement::formControlType() const +{ + DEFINE_STATIC_LOCAL(const AtomicString, output, ("output")); + return output; +} + +void HTMLOutputElement::parseMappedAttribute(Attribute* attr) +{ + if (attr->name() == HTMLNames::forAttr) + setFor(attr->value()); + else + HTMLFormControlElement::parseMappedAttribute(attr); +} + +DOMSettableTokenList* HTMLOutputElement::htmlFor() const +{ + return m_tokens.get(); +} + +void HTMLOutputElement::setFor(const String& value) +{ + m_tokens->setValue(value); +} + +void HTMLOutputElement::childrenChanged(bool createdByParser, Node*, Node*, int) +{ + if (createdByParser || m_isSetTextContentInProgress) { + m_isSetTextContentInProgress = false; + return; + } + + if (m_isDefaultValueMode) + m_defaultValue = textContent(); +} + +void HTMLOutputElement::reset() +{ + // 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. + m_isDefaultValueMode = true; + if (m_defaultValue == value()) + return; + setTextContentInternal(m_defaultValue); +} + +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. + m_isDefaultValueMode = false; + if (value == this->value()) + return; + setTextContentInternal(value); +} + +String HTMLOutputElement::defaultValue() const +{ + return m_defaultValue; +} + +void HTMLOutputElement::setDefaultValue(const String& value) +{ + if (m_defaultValue == value) + return; + m_defaultValue = value; + // The spec requires the value attribute set to the default value + // when the element's value mode flag to "default". + if (m_isDefaultValueMode) + setTextContentInternal(value); +} + +void HTMLOutputElement::setTextContentInternal(const String& value) +{ + ASSERT(!m_isSetTextContentInProgress); + ExceptionCode ec; + m_isSetTextContentInProgress = true; + setTextContent(value, ec); +} + +} // namespace |