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/*
* Copyright (C) 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "ValidationMessageClientImpl.h"
#include "Element.h"
#include "FrameView.h"
#include "RenderObject.h"
#include "WebTextDirection.h"
#include "WebViewClient.h"
using namespace WebCore;
namespace WebKit {
ValidationMessageClientImpl::ValidationMessageClientImpl(WebViewClient& client)
: m_client(client)
, m_currentAnchor(0)
, m_timer(this, &ValidationMessageClientImpl::hideCurrentValidationMessage)
{
}
PassOwnPtr<ValidationMessageClientImpl> ValidationMessageClientImpl::create(WebViewClient& client)
{
return adoptPtr(new ValidationMessageClientImpl(client));
}
ValidationMessageClientImpl::~ValidationMessageClientImpl()
{
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
}
void ValidationMessageClientImpl::showValidationMessage(const Element& anchor, const String& message)
{
if (message.isEmpty()) {
hideValidationMessage(anchor);
return;
}
if (!anchor.renderBox())
return;
if (m_currentAnchor)
hideValidationMessage(*m_currentAnchor);
m_currentAnchor = &anchor;
IntRect anchorInScreen = anchor.document()->view()->contentsToScreen(anchor.pixelSnappedBoundingBox());
WebTextDirection dir = anchor.renderer()->style()->direction() == RTL ? WebTextDirectionRightToLeft : WebTextDirectionLeftToRight;
m_client.showValidationMessage(anchorInScreen, message, anchor.fastGetAttribute(HTMLNames::titleAttr), dir);
const double minimumSecondToShowValidationMessage = 5.0;
const double secondPerCharacter = 0.05;
m_timer.startOneShot(std::max(minimumSecondToShowValidationMessage, message.length() * secondPerCharacter));
}
void ValidationMessageClientImpl::hideValidationMessage(const Element& anchor)
{
if (!m_currentAnchor || !isValidationMessageVisible(anchor))
return;
m_timer.stop();
m_client.hideValidationMessage();
m_currentAnchor = 0;
}
bool ValidationMessageClientImpl::isValidationMessageVisible(const Element& anchor)
{
return m_currentAnchor == &anchor;
}
void ValidationMessageClientImpl::hideCurrentValidationMessage(Timer<ValidationMessageClientImpl>*)
{
ASSERT(m_currentAnchor);
hideValidationMessage(*m_currentAnchor);
}
}
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