зеркало из https://github.com/mozilla/gecko-dev.git
130 строки
4.2 KiB
C++
130 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsImgManager.h"
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#include "nsImages.h"
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#include "nsIDocument.h"
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#include "nsIContent.h"
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#include "nsCOMPtr.h"
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#include "nsXPIDLString.h"
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#include "nsIURI.h"
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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// nsImgManager Implementation
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NS_IMPL_ISUPPORTS2(nsImgManager,
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nsIImgManager,
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nsIContentPolicy);
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nsImgManager::nsImgManager()
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{
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NS_INIT_REFCNT();
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}
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nsImgManager::~nsImgManager(void)
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{
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}
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nsresult nsImgManager::Init()
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{
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IMAGE_RegisterPrefCallbacks();
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return NS_OK;
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}
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NS_IMETHODIMP nsImgManager::Block(const char * imageURL)
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{
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::IMAGE_Block(imageURL);
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return NS_OK;
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}
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// nsIContentPolicy Implementation
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NS_IMETHODIMP nsImgManager::ShouldLoad(PRInt32 aContentType,
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nsIURI *aContentLoc,
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nsISupports *aContext,
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nsIDOMWindow *aWindow,
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PRBool *_retval)
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{
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*_retval = PR_TRUE;
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nsresult rv = NS_OK;
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// we can't do anything w/ out these.
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if (!aContentLoc || !aContext) return rv;
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switch (aContentType) {
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case nsIContentPolicy::IMAGE:
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{
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nsCOMPtr<nsIURI> baseURI;
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nsCOMPtr<nsIDocument> doc;
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nsCOMPtr<nsIContent> content(do_QueryInterface(aContext));
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NS_ASSERTION(content, "no content avail");
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if (content) {
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rv = content->GetDocument(*getter_AddRefs(doc));
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if (NS_FAILED(rv) || !doc) return rv;
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rv = doc->GetBaseURL(*getter_AddRefs(baseURI));
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if (NS_FAILED(rv) || !baseURI) return rv;
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// we only care about HTTP images
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PRBool httpType = PR_TRUE;
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rv = baseURI->SchemeIs("http", &httpType);
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if (NS_FAILED(rv) || !httpType) {
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// check HTTPS as well
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rv = baseURI->SchemeIs("https", &httpType);
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if (NS_FAILED(rv) || !httpType) return rv;
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}
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rv = aContentLoc->SchemeIs("http", &httpType);
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if (NS_FAILED(rv) || !httpType) {
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// check HTTPS as well
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rv = aContentLoc->SchemeIs("https", &httpType);
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if (NS_FAILED(rv) || !httpType) return rv;
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}
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nsXPIDLCString baseHost;
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rv = baseURI->GetHost(getter_Copies(baseHost));
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if (NS_FAILED(rv) || !baseHost) return rv;
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nsXPIDLCString host;
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rv = aContentLoc->GetHost(getter_Copies(host));
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if (NS_FAILED(rv) || !host) return rv;
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return ::IMAGE_CheckForPermission(host, baseHost,
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_retval);
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}
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}
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break;
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsImgManager::ShouldProcess(PRInt32 aContentType,
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nsIURI *aDocumentLoc,
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nsISupports *aContext,
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nsIDOMWindow *aWindow,
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PRBool *_retval) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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