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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2012 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "ImageInputType.h"
#include "CachedImage.h"
#include "FormDataList.h"
#include "HTMLFormElement.h"
#include "HTMLImageLoader.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "InputTypeNames.h"
#include "MouseEvent.h"
#include "RenderImage.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
using namespace HTMLNames;
ImageInputType::ImageInputType(HTMLInputElement& element)
: BaseButtonInputType(element)
{
}
const AtomicString& ImageInputType::formControlType() const
{
return InputTypeNames::image();
}
bool ImageInputType::isFormDataAppendable() const
{
return true;
}
bool ImageInputType::appendFormData(FormDataList& encoding, bool) const
{
if (!element().isActivatedSubmit())
return false;
const AtomicString& name = element().name();
if (name.isEmpty()) {
encoding.appendData("x", m_clickLocation.x());
encoding.appendData("y", m_clickLocation.y());
return true;
}
static NeverDestroyed<String> dotXString(ASCIILiteral(".x"));
static NeverDestroyed<String> dotYString(ASCIILiteral(".y"));
encoding.appendData(name + dotXString.get(), m_clickLocation.x());
encoding.appendData(name + dotYString.get(), m_clickLocation.y());
if (!element().value().isEmpty())
encoding.appendData(name, element().value());
return true;
}
bool ImageInputType::supportsValidation() const
{
return false;
}
void ImageInputType::handleDOMActivateEvent(Event* event)
{
Ref<HTMLInputElement> element(this->element());
if (element->isDisabledFormControl() || !element->form())
return;
element->setActivatedSubmit(true);
m_clickLocation = IntPoint();
if (event->underlyingEvent()) {
Event& underlyingEvent = *event->underlyingEvent();
if (is<MouseEvent>(underlyingEvent)) {
MouseEvent& mouseEvent = downcast<MouseEvent>(underlyingEvent);
if (!mouseEvent.isSimulated())
m_clickLocation = IntPoint(mouseEvent.offsetX(), mouseEvent.offsetY());
}
}
element->form()->prepareForSubmission(event); // Event handlers can run.
element->setActivatedSubmit(false);
event->setDefaultHandled();
}
RenderPtr<RenderElement> ImageInputType::createInputRenderer(Ref<RenderStyle>&& style)
{
return createRenderer<RenderImage>(element(), WTFMove(style));
}
void ImageInputType::altAttributeChanged()
{
auto* renderer = downcast<RenderImage>(element().renderer());
if (!renderer)
return;
renderer->updateAltText();
}
void ImageInputType::srcAttributeChanged()
{
if (!element().renderer())
return;
element().ensureImageLoader().updateFromElementIgnoringPreviousError();
}
void ImageInputType::attach()
{
BaseButtonInputType::attach();
HTMLImageLoader& imageLoader = element().ensureImageLoader();
imageLoader.updateFromElement();
auto* renderer = downcast<RenderImage>(element().renderer());
if (!renderer)
return;
if (imageLoader.hasPendingBeforeLoadEvent())
return;
auto& imageResource = renderer->imageResource();
imageResource.setCachedImage(imageLoader.image());
// If we have no image at all because we have no src attribute, set
// image height and width for the alt text instead.
if (!imageLoader.image() && !imageResource.cachedImage())
renderer->setImageSizeForAltText();
}
bool ImageInputType::shouldRespectAlignAttribute()
{
return true;
}
bool ImageInputType::canBeSuccessfulSubmitButton()
{
return true;
}
bool ImageInputType::isImageButton() const
{
return true;
}
bool ImageInputType::isEnumeratable()
{
return false;
}
bool ImageInputType::shouldRespectHeightAndWidthAttributes()
{
return true;
}
unsigned ImageInputType::height() const
{
Ref<HTMLInputElement> element(this->element());
if (!element->renderer()) {
// Check the attribute first for an explicit pixel value.
unsigned height;
if (parseHTMLNonNegativeInteger(element->fastGetAttribute(heightAttr), height))
return height;
// If the image is available, use its height.
HTMLImageLoader* imageLoader = element->imageLoader();
if (imageLoader && imageLoader->image())
return imageLoader->image()->imageSizeForRenderer(element->renderer(), 1).height();
}
element->document().updateLayout();
RenderBox* box = element->renderBox();
return box ? adjustForAbsoluteZoom(box->contentHeight(), *box) : 0;
}
unsigned ImageInputType::width() const
{
Ref<HTMLInputElement> element(this->element());
if (!element->renderer()) {
// Check the attribute first for an explicit pixel value.
unsigned width;
if (parseHTMLNonNegativeInteger(element->fastGetAttribute(widthAttr), width))
return width;
// If the image is available, use its width.
HTMLImageLoader* imageLoader = element->imageLoader();
if (imageLoader && imageLoader->image())
return imageLoader->image()->imageSizeForRenderer(element->renderer(), 1).width();
}
element->document().updateLayout();
RenderBox* box = element->renderBox();
return box ? adjustForAbsoluteZoom(box->contentWidth(), *box) : 0;
}
} // namespace WebCore
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