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Bug 528046 - Fix printing of tall images in image documents r=jst

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This commit is contained in:
Michael Ventnor 2011-07-07 14:04:04 +10:00
parent baf54af560
commit 6550617ff6
1 changed files with 26 additions and 1 deletions
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27
content/html/document/src/ImageDocument.cpp
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@ -643,13 +643,38 @@ ImageDocument::CreateSyntheticDocument()
nsresult rv = MediaDocument::CreateSyntheticDocument();
NS_ENSURE_SUCCESS(rv, rv);
// We must declare the image as a block element. If we stay as
// an inline element, our parent LineBox will be inline too and
// ignore the available height during reflow.
// This is bad during printing, it means tall image frames won't know
// the size of the paper and cannot break into continuations along
// multiple pages.
Element* head = GetHeadElement();
if (!head) {
NS_WARNING("no head on image document!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsINodeInfo> nodeInfo;
nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::style, nsnull,
kNameSpaceID_XHTML,
nsIDOMNode::ELEMENT_NODE);
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
nsRefPtr<nsGenericHTMLElement> styleContent = NS_NewHTMLStyleElement(nodeInfo.forget());
if (!styleContent) {
return NS_ERROR_OUT_OF_MEMORY;
}
styleContent->SetInnerHTML(NS_LITERAL_STRING("img { display: block; }"));
head->AppendChildTo(styleContent, PR_FALSE);
// Add the image element
Element* body = GetBodyElement();
if (!body) {
NS_WARNING("no body on image document!");
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsINodeInfo> nodeInfo;
nodeInfo = mNodeInfoManager->GetNodeInfo(nsGkAtoms::img, nsnull,
kNameSpaceID_XHTML,
nsIDOMNode::ELEMENT_NODE);