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/*
* Copyright (C) 2010, 2012 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/ValidationMessage.h"
#include "core/html/HTMLFormControlElement.h"
#include "core/page/Page.h"
#include "core/page/ValidationMessageClient.h"
#include "wtf/PassOwnPtr.h"
namespace WebCore {
ALWAYS_INLINE ValidationMessage::ValidationMessage(HTMLFormControlElement* element)
: m_element(element)
{
ASSERT(m_element);
}
ValidationMessage::~ValidationMessage()
{
if (ValidationMessageClient* client = validationMessageClient())
client->hideValidationMessage(*m_element);
}
PassOwnPtr<ValidationMessage> ValidationMessage::create(HTMLFormControlElement* element)
{
return adoptPtr(new ValidationMessage(element));
}
ValidationMessageClient* ValidationMessage::validationMessageClient() const
{
Page* page = m_element->document().page();
if (!page)
return 0;
// The form valdiation feature requires ValidationMessageClient.
ASSERT(page->validationMessageClient());
return page->validationMessageClient();
}
void ValidationMessage::updateValidationMessage(const String& message)
{
ValidationMessageClient* client = validationMessageClient();
if (!client)
return;
if (message.isEmpty())
requestToHideMessage();
else
client->showValidationMessage(*m_element, message);
}
void ValidationMessage::requestToHideMessage()
{
if (ValidationMessageClient* client = validationMessageClient())
client->hideValidationMessage(*m_element);
}
bool ValidationMessage::isVisible() const
{
if (ValidationMessageClient* client = validationMessageClient())
return client->isValidationMessageVisible(*m_element);
return false;
}
} // namespace WebCore