void ImageLoader::updateLayoutObject() {
LayoutImageResource* imageResource = layoutImageResource();
if (!imageResource)
return;
// Only update the layoutObject if it doesn't have an image or if what we have
// is a complete image. This prevents flickering in the case where a dynamic
// change is happening between two images.
ImageResource* cachedImage = imageResource->cachedImage();
if (m_image != cachedImage && (m_imageComplete || !cachedImage))
imageResource->setImageResource(m_image.get());
}
void HTMLImageElement::attach(const AttachContext& context)
{
HTMLElement::attach(context);
if (layoutObject() && layoutObject()->isImage()) {
LayoutImage* layoutImage = toLayoutImage(layoutObject());
LayoutImageResource* layoutImageResource = layoutImage->imageResource();
if (m_isFallbackImage) {
float deviceScaleFactor = blink::deviceScaleFactor(layoutImage->frame());
pair<Image*, float> brokenImageAndImageScaleFactor = ImageResource::brokenImage(deviceScaleFactor);
ImageResource* newImageResource = new ImageResource(brokenImageAndImageScaleFactor.first);
layoutImage->imageResource()->setImageResource(newImageResource);
}
if (layoutImageResource->hasImage())
return;
if (!imageLoader().image() && !layoutImageResource->cachedImage())
return;
layoutImageResource->setImageResource(imageLoader().image());
}
}