2007-03-22 10:30:00 -07:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2010-08-12 21:05:05 -07:00
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/* vim: set ts=2 sw=2 et tw=79: */
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2007-03-22 10:30:00 -07:00
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsMimeTypeArray.h"
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#include "nsContentUtils.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMNavigator.h"
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#include "nsIDOMPluginArray.h"
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#include "nsIDOMPlugin.h"
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2011-10-03 12:11:31 -07:00
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#include "nsDOMClassInfoID.h"
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2007-03-22 10:30:00 -07:00
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#include "nsIMIMEService.h"
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#include "nsIMIMEInfo.h"
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#include "nsIFile.h"
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nsMimeTypeArray::nsMimeTypeArray(nsIDOMNavigator* navigator)
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: mNavigator(navigator),
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mPluginMimeTypeCount(0),
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mInited(false)
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2007-03-22 10:30:00 -07:00
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{
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}
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nsMimeTypeArray::~nsMimeTypeArray()
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{
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Clear();
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}
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2010-01-12 05:08:43 -08:00
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DOMCI_DATA(MimeTypeArray, nsMimeTypeArray)
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2007-03-22 10:30:00 -07:00
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// QueryInterface implementation for nsMimeTypeArray
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NS_INTERFACE_MAP_BEGIN(nsMimeTypeArray)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMimeTypeArray)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MimeTypeArray)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsMimeTypeArray)
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NS_IMPL_RELEASE(nsMimeTypeArray)
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NS_IMETHODIMP
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nsMimeTypeArray::GetLength(PRUint32* aLength)
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{
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if (!mInited) {
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nsresult rv = GetMimeTypes();
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if (rv != NS_OK)
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return rv;
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}
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2008-11-07 16:53:11 -08:00
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NS_ASSERTION(mPluginMimeTypeCount <= (PRUint32)mMimeTypeArray.Count(),
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"The number of total mimetypes should be equal to or higher "
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"than the number of plugin mimetypes.");
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*aLength = mPluginMimeTypeCount;
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return NS_OK;
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}
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2008-10-22 07:31:14 -07:00
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nsIDOMMimeType*
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nsMimeTypeArray::GetItemAt(PRUint32 aIndex, nsresult *aResult)
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{
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if (!mInited) {
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*aResult = GetMimeTypes();
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if (*aResult != NS_OK)
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return nsnull;
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}
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2008-11-07 16:53:11 -08:00
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NS_ASSERTION(mPluginMimeTypeCount <= (PRUint32)mMimeTypeArray.Count(),
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"The number of total mimetypes should be equal to or higher "
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"than the number of plugin mimetypes.");
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if (aIndex >= mPluginMimeTypeCount) {
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*aResult = NS_ERROR_FAILURE;
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return nsnull;
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2007-03-22 10:30:00 -07:00
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}
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*aResult = NS_OK;
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return mMimeTypeArray[aIndex];
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}
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NS_IMETHODIMP
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nsMimeTypeArray::Item(PRUint32 aIndex, nsIDOMMimeType** aReturn)
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{
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nsresult rv;
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NS_IF_ADDREF(*aReturn = GetItemAt(aIndex, &rv));
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return rv;
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2007-03-22 10:30:00 -07:00
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}
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2008-10-31 14:40:35 -07:00
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nsIDOMMimeType*
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nsMimeTypeArray::GetNamedItem(const nsAString& aName, nsresult* aResult)
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{
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2008-10-31 14:40:35 -07:00
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if (!mInited) {
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*aResult = GetMimeTypes();
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if (*aResult != NS_OK)
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return nsnull;
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2008-10-31 11:07:26 -07:00
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}
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2008-10-31 08:55:59 -07:00
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2008-11-07 16:53:11 -08:00
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NS_ASSERTION(mPluginMimeTypeCount <= (PRUint32)mMimeTypeArray.Count(),
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2008-10-31 14:40:35 -07:00
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"The number of total mimetypes should be equal to or higher "
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"than the number of plugin mimetypes.");
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*aResult = NS_OK;
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2007-03-22 10:30:00 -07:00
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nsAutoString type;
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2008-10-31 14:40:35 -07:00
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for (PRInt32 i = 0; i < mMimeTypeArray.Count(); i++) {
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nsIDOMMimeType *mtype = mMimeTypeArray[i];
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mtype->GetType(type);
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if (type.Equals(aName)) {
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return mtype;
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2007-03-22 10:30:00 -07:00
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}
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}
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// Now let's check with the MIME service.
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nsCOMPtr<nsIMIMEService> mimeSrv = do_GetService("@mozilla.org/mime;1");
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if (mimeSrv) {
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nsCOMPtr<nsIMIMEInfo> mimeInfo;
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mimeSrv->GetFromTypeAndExtension(NS_ConvertUTF16toUTF8(aName), EmptyCString(),
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getter_AddRefs(mimeInfo));
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if (mimeInfo) {
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// Now we check whether we can really claim to support this type
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nsHandlerInfoAction action = nsIHandlerInfo::saveToDisk;
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mimeInfo->GetPreferredAction(&action);
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if (action != nsIMIMEInfo::handleInternally) {
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bool hasHelper = false;
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mimeInfo->GetHasDefaultHandler(&hasHelper);
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if (!hasHelper) {
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nsCOMPtr<nsIHandlerApp> helper;
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mimeInfo->GetPreferredApplicationHandler(getter_AddRefs(helper));
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if (!helper) {
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// mime info from the OS may not have a PreferredApplicationHandler
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// so just check for an empty default description
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nsAutoString defaultDescription;
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mimeInfo->GetDefaultDescription(defaultDescription);
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if (defaultDescription.IsEmpty()) {
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// no support; just leave
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return nsnull;
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2007-03-22 10:30:00 -07:00
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}
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}
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}
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}
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// If we got here, we support this type! Say so.
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nsCOMPtr<nsIDOMMimeType> helper, entry;
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if (!(helper = new nsHelperMimeType(aName)) ||
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!(entry = new nsMimeType(nsnull, helper)) ||
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!mMimeTypeArray.AppendObject(entry)) {
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*aResult = NS_ERROR_OUT_OF_MEMORY;
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return nsnull;
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2007-03-22 10:30:00 -07:00
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}
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2008-10-31 14:40:35 -07:00
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return entry;
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2007-03-22 10:30:00 -07:00
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}
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}
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2008-10-31 14:40:35 -07:00
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return nsnull;
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}
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NS_IMETHODIMP
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nsMimeTypeArray::NamedItem(const nsAString& aName, nsIDOMMimeType** aReturn)
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{
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nsresult rv;
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NS_IF_ADDREF(*aReturn = GetNamedItem(aName, &rv));
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return rv;
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2007-03-22 10:30:00 -07:00
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}
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2011-12-01 00:28:16 -08:00
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void
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nsMimeTypeArray::Clear()
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{
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mInited = false;
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2008-10-31 14:40:35 -07:00
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mMimeTypeArray.Clear();
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mPluginMimeTypeCount = 0;
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}
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2011-12-01 00:28:16 -08:00
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void
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nsMimeTypeArray::Refresh()
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{
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Clear();
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GetMimeTypes();
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2007-03-22 10:30:00 -07:00
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}
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2011-12-01 00:28:16 -08:00
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nsresult
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nsMimeTypeArray::GetMimeTypes()
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{
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NS_PRECONDITION(!mInited && mPluginMimeTypeCount==0,
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"already initialized");
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2010-08-12 21:05:05 -07:00
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if (!mNavigator) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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2007-03-22 10:30:00 -07:00
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nsIDOMPluginArray* pluginArray = nsnull;
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nsresult rv = mNavigator->GetPlugins(&pluginArray);
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if (rv == NS_OK) {
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// count up all possible MimeTypes, and collect them here. Later,
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// we'll remove duplicates.
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PRUint32 pluginMimeTypeCount = 0;
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2007-03-22 10:30:00 -07:00
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PRUint32 pluginCount = 0;
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rv = pluginArray->GetLength(&pluginCount);
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if (rv == NS_OK) {
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PRUint32 i;
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for (i = 0; i < pluginCount; i++) {
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nsCOMPtr<nsIDOMPlugin> plugin;
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if (NS_SUCCEEDED(pluginArray->Item(i, getter_AddRefs(plugin))) &&
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plugin) {
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PRUint32 mimeTypeCount = 0;
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if (plugin->GetLength(&mimeTypeCount) == NS_OK)
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pluginMimeTypeCount += mimeTypeCount;
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}
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}
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// now we know how many there are, start gathering them.
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if (!mMimeTypeArray.SetCapacity(pluginMimeTypeCount))
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return NS_ERROR_OUT_OF_MEMORY;
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mPluginMimeTypeCount = pluginMimeTypeCount;
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2011-10-17 07:59:28 -07:00
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mInited = true;
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2008-11-04 09:15:37 -08:00
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2007-03-22 10:30:00 -07:00
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PRUint32 k;
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for (k = 0; k < pluginCount; k++) {
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2009-07-07 05:13:26 -07:00
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nsCOMPtr<nsIDOMPlugin> plugin;
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if (NS_SUCCEEDED(pluginArray->Item(k, getter_AddRefs(plugin))) &&
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plugin) {
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2007-03-22 10:30:00 -07:00
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PRUint32 mimeTypeCount = 0;
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if (plugin->GetLength(&mimeTypeCount) == NS_OK) {
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2008-10-31 14:40:35 -07:00
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nsCOMPtr<nsIDOMMimeType> item;
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for (PRUint32 j = 0; j < mimeTypeCount; j++) {
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plugin->Item(j, getter_AddRefs(item));
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mMimeTypeArray.AppendObject(item);
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}
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2007-03-22 10:30:00 -07:00
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}
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}
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}
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}
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NS_RELEASE(pluginArray);
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}
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return rv;
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}
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nsMimeType::nsMimeType(nsIDOMPlugin* aPlugin, nsIDOMMimeType* aMimeType)
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{
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mPlugin = aPlugin;
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mMimeType = aMimeType;
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}
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nsMimeType::~nsMimeType()
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{
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}
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2010-01-12 05:08:43 -08:00
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DOMCI_DATA(MimeType, nsMimeType)
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2007-03-22 10:30:00 -07:00
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// QueryInterface implementation for nsMimeType
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NS_INTERFACE_MAP_BEGIN(nsMimeType)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMimeType)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(MimeType)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(nsMimeType)
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NS_IMPL_RELEASE(nsMimeType)
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NS_IMETHODIMP
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nsMimeType::GetDescription(nsAString& aDescription)
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{
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return mMimeType->GetDescription(aDescription);
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}
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NS_IMETHODIMP
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nsMimeType::GetEnabledPlugin(nsIDOMPlugin** aEnabledPlugin)
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{
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nsAutoString type;
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|
GetType(type);
|
|
|
|
|
2010-05-26 16:18:06 -07:00
|
|
|
*aEnabledPlugin = mPlugin;
|
2007-03-22 10:30:00 -07:00
|
|
|
|
|
|
|
NS_IF_ADDREF(*aEnabledPlugin);
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsMimeType::GetSuffixes(nsAString& aSuffixes)
|
|
|
|
{
|
|
|
|
return mMimeType->GetSuffixes(aSuffixes);
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsMimeType::GetType(nsAString& aType)
|
|
|
|
{
|
|
|
|
return mMimeType->GetType(aType);
|
|
|
|
}
|
|
|
|
|
|
|
|
// QueryInterface implementation for nsHelperMimeType
|
|
|
|
NS_IMPL_ISUPPORTS1(nsHelperMimeType, nsIDOMMimeType)
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsHelperMimeType::GetDescription(nsAString& aDescription)
|
|
|
|
{
|
|
|
|
aDescription.Truncate();
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsHelperMimeType::GetEnabledPlugin(nsIDOMPlugin** aEnabledPlugin)
|
|
|
|
{
|
|
|
|
*aEnabledPlugin = nsnull;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsHelperMimeType::GetSuffixes(nsAString& aSuffixes)
|
|
|
|
{
|
|
|
|
aSuffixes.Truncate();
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsHelperMimeType::GetType(nsAString& aType)
|
|
|
|
{
|
|
|
|
aType = mType;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|