void ImageInputType::startResourceLoading()
{
BaseButtonInputType::startResourceLoading();
HTMLImageLoader* imageLoader = element().imageLoader();
imageLoader->updateFromElement();
RenderImage* renderer = toRenderImage(element().renderer());
if (!renderer)
return;
RenderImageResource* imageResource = renderer->imageResource();
imageResource->setImageResource(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();
}
unsigned ImageInputType::width() const
{
RefPtr<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.
if (element->hasImageLoader()) {
HTMLImageLoader* imageLoader = element->imageLoader();
if (imageLoader->image())
return imageLoader->image()->imageSizeForRenderer(element->renderer(), 1).width();
}
}
element->document().updateLayout();
RenderBox* box = element->renderBox();
return box ? adjustForAbsoluteZoom(box->contentWidth(), box) : 0;
}