gecko-dev/content/base/src/nsDataDocumentContentPolicy.cpp
bzbarsky%mit.edu b9663c2904 Disable loading of images in data documents on the document level, not on the
node level.  Bug 251354, r=sicking, sr=peterv, a=asa
2005-04-11 00:29:36 +00:00

95 lines
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
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*
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* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Boris Zbarsky <bzbarsky@mit.edu>.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
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#include "nsDataDocumentContentPolicy.h"
#include "nsIDocument.h"
#include "nsIContent.h"
#include "nsIDOMWindow.h"
#include "nsIDOMDocument.h"
NS_IMPL_ISUPPORTS1(nsDataDocumentContentPolicy, nsIContentPolicy)
NS_IMETHODIMP
nsDataDocumentContentPolicy::ShouldLoad(PRUint32 aContentType,
nsIURI *aContentLocation,
nsIURI *aRequestingLocation,
nsISupports *aRequestingContext,
const nsACString &aMimeGuess,
nsISupports *aExtra,
PRInt16 *aDecision)
{
*aDecision = nsIContentPolicy::ACCEPT;
if (aContentType == nsIContentPolicy::TYPE_IMAGE ||
aContentType == nsIContentPolicy::TYPE_STYLESHEET ||
aContentType == nsIContentPolicy::TYPE_SCRIPT) {
// Look for the document. In most cases, aRequestingContext is a
// content node.
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIContent> content = do_QueryInterface(aRequestingContext);
if (content) {
doc = content->GetOwnerDoc();
} else {
doc = do_QueryInterface(aRequestingContext);
if (!doc) {
nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(aRequestingContext);
if (window) {
nsCOMPtr<nsIDOMDocument> domDoc;
window->GetDocument(getter_AddRefs(domDoc));
doc = do_QueryInterface(domDoc);
}
}
}
if (doc && doc->IsLoadedAsData()) {
*aDecision = nsIContentPolicy::REJECT_TYPE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDataDocumentContentPolicy::ShouldProcess(PRUint32 aContentType,
nsIURI *aContentLocation,
nsIURI *aRequestingLocation,
nsISupports *aRequestingContext,
const nsACString &aMimeGuess,
nsISupports *aExtra,
PRInt16 *aDecision)
{
return ShouldLoad(aContentType, aContentLocation, aRequestingLocation,
aRequestingContext, aMimeGuess, aExtra, aDecision);
}