mirror of
https://github.com/mozilla/gecko-dev.git
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407 lines
10 KiB
C++
407 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsPluginArray.h"
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#include "nsMimeTypeArray.h"
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#include "nsGlobalWindow.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIDOMNavigator.h"
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#include "nsIDOMMimeType.h"
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#include "nsIServiceManager.h"
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#include "nsIPluginHost.h"
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#include "nsIDocShell.h"
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#include "nsIWebNavigation.h"
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#include "nsDOMClassInfo.h"
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#include "nsPluginError.h"
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#include "nsIComponentRegistrar.h"
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static NS_DEFINE_CID(kPluginManagerCID, NS_PLUGINMANAGER_CID);
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PluginArrayImpl::PluginArrayImpl(NavigatorImpl* navigator,
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nsIDocShell *aDocShell)
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{
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nsresult rv;
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mNavigator = navigator; // don't ADDREF here, needed for parent of script object.
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mPluginHost = do_GetService(kPluginManagerCID, &rv);
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mPluginCount = 0;
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mPluginArray = nsnull;
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mDocShell = aDocShell;
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}
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PluginArrayImpl::~PluginArrayImpl()
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{
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if (mPluginArray != nsnull) {
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for (PRUint32 i = 0; i < mPluginCount; i++) {
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NS_IF_RELEASE(mPluginArray[i]);
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}
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delete[] mPluginArray;
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}
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}
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// QueryInterface implementation for PluginArrayImpl
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NS_INTERFACE_MAP_BEGIN(PluginArrayImpl)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMPluginArray)
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NS_INTERFACE_MAP_ENTRY(nsIDOMPluginArray)
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NS_INTERFACE_MAP_ENTRY(nsIDOMJSPluginArray)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(PluginArray)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(PluginArrayImpl)
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NS_IMPL_RELEASE(PluginArrayImpl)
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NS_IMETHODIMP
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PluginArrayImpl::GetLength(PRUint32* aLength)
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{
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if (mPluginHost && NS_SUCCEEDED(mPluginHost->GetPluginCount(aLength)))
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return NS_OK;
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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PluginArrayImpl::Item(PRUint32 aIndex, nsIDOMPlugin** aReturn)
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{
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NS_PRECONDITION(nsnull != aReturn, "null arg");
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if (mPluginArray == nsnull) {
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nsresult rv = GetPlugins();
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if (rv != NS_OK)
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return rv;
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}
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*aReturn = nsnull;
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if (aIndex < mPluginCount) {
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*aReturn = mPluginArray[aIndex];
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NS_IF_ADDREF(*aReturn);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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PluginArrayImpl::NamedItem(const nsAString& aName,
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nsIDOMPlugin** aReturn)
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{
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NS_PRECONDITION(nsnull != aReturn, "null arg");
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if (mPluginArray == nsnull) {
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nsresult rv = GetPlugins();
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if (rv != NS_OK)
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return rv;
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}
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*aReturn = nsnull;
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for (PRUint32 i = 0; i < mPluginCount; i++) {
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nsAutoString pluginName;
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nsIDOMPlugin* plugin = mPluginArray[i];
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if (plugin->GetName(pluginName) == NS_OK) {
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if (pluginName.Equals(aName)) {
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*aReturn = plugin;
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NS_IF_ADDREF(plugin);
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break;
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}
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}
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}
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return NS_OK;
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}
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nsresult
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PluginArrayImpl::GetPluginHost(nsIPluginHost** aPluginHost)
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{
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NS_ENSURE_ARG_POINTER(aPluginHost);
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nsresult rv = NS_OK;
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if (!mPluginHost) {
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mPluginHost = do_GetService(kPluginManagerCID, &rv);
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if (NS_FAILED(rv)) {
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return rv;
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}
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}
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*aPluginHost = mPluginHost;
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NS_IF_ADDREF(*aPluginHost);
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return rv;
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}
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void
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PluginArrayImpl::SetDocShell(nsIDocShell* aDocShell)
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{
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mDocShell = aDocShell;
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}
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NS_IMETHODIMP
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PluginArrayImpl::Refresh(PRBool aReloadDocuments)
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{
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nsresult res = NS_OK;
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// refresh the component registry first, see bug 87913
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nsCOMPtr<nsIServiceManager> servManager;
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NS_GetServiceManager(getter_AddRefs(servManager));
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nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servManager);
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if (registrar)
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registrar->AutoRegister(nsnull);
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if (!mPluginHost) {
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mPluginHost = do_GetService(kPluginManagerCID, &res);
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}
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if(NS_FAILED(res)) {
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return res;
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}
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nsCOMPtr<nsIPluginManager> pm(do_QueryInterface(mPluginHost));
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// NS_ERROR_PLUGINS_PLUGINSNOTCHANGED on reloading plugins indicates
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// that plugins did not change and was not reloaded
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PRBool pluginsNotChanged = PR_FALSE;
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if(pm)
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pluginsNotChanged = (NS_ERROR_PLUGINS_PLUGINSNOTCHANGED == pm->ReloadPlugins(aReloadDocuments));
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// no need to reload the page if plugins have not been changed
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// in fact, if we do reload we can hit recursive load problem, see bug 93351
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if(pluginsNotChanged)
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return res;
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nsCOMPtr<nsIWebNavigation> webNav = do_QueryInterface(mDocShell);
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if (mPluginArray != nsnull) {
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for (PRUint32 i = 0; i < mPluginCount; i++)
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NS_IF_RELEASE(mPluginArray[i]);
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delete[] mPluginArray;
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}
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mPluginCount = 0;
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mPluginArray = nsnull;
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if (mNavigator)
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mNavigator->RefreshMIMEArray();
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if (aReloadDocuments && webNav)
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webNav->Reload(nsIWebNavigation::LOAD_FLAGS_NONE);
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return res;
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}
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NS_IMETHODIMP
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PluginArrayImpl::Refresh()
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{
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nsresult rv;
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nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIXPCNativeCallContext> ncc;
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rv = xpc->GetCurrentNativeCallContext(getter_AddRefs(ncc));
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NS_ENSURE_SUCCESS(rv, rv);
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if (!ncc)
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return NS_ERROR_NOT_AVAILABLE;
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PRBool reload_doc = PR_FALSE;
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PRUint32 argc;
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ncc->GetArgc(&argc);
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if (argc > 0) {
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jsval *argv = nsnull;
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ncc->GetArgvPtr(&argv);
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NS_ENSURE_TRUE(argv, NS_ERROR_UNEXPECTED);
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JSContext *cx = nsnull;
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rv = ncc->GetJSContext(&cx);
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NS_ENSURE_SUCCESS(rv, rv);
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JS_ValueToBoolean(cx, argv[0], &reload_doc);
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}
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return Refresh(reload_doc);
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}
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nsresult
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PluginArrayImpl::GetPlugins()
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{
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nsresult rv = GetLength(&mPluginCount);
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if (rv == NS_OK) {
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mPluginArray = new nsIDOMPlugin*[mPluginCount];
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if (mPluginArray != nsnull) {
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rv = mPluginHost->GetPlugins(mPluginCount, mPluginArray);
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if (rv == NS_OK) {
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// need to wrap each of these with a PluginElementImpl, which is scriptable.
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for (PRUint32 i = 0; i < mPluginCount; i++) {
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nsIDOMPlugin* wrapper = new PluginElementImpl(mPluginArray[i]);
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NS_IF_ADDREF(wrapper);
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mPluginArray[i] = wrapper;
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}
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}
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} else {
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rv = NS_ERROR_OUT_OF_MEMORY;
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}
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}
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return rv;
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}
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//
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PluginElementImpl::PluginElementImpl(nsIDOMPlugin* plugin)
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{
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mPlugin = plugin; // don't AddRef, see PluginArrayImpl::Item.
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mMimeTypeCount = 0;
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mMimeTypeArray = nsnull;
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}
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PluginElementImpl::~PluginElementImpl()
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{
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NS_IF_RELEASE(mPlugin);
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if (mMimeTypeArray != nsnull) {
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for (PRUint32 i = 0; i < mMimeTypeCount; i++)
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NS_IF_RELEASE(mMimeTypeArray[i]);
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delete[] mMimeTypeArray;
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}
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}
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// QueryInterface implementation for PluginElementImpl
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NS_INTERFACE_MAP_BEGIN(PluginElementImpl)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_ENTRY(nsIDOMPlugin)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(Plugin)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(PluginElementImpl)
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NS_IMPL_RELEASE(PluginElementImpl)
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NS_IMETHODIMP
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PluginElementImpl::GetDescription(nsAString& aDescription)
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{
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return mPlugin->GetDescription(aDescription);
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}
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NS_IMETHODIMP
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PluginElementImpl::GetFilename(nsAString& aFilename)
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{
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return mPlugin->GetFilename(aFilename);
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}
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NS_IMETHODIMP
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PluginElementImpl::GetName(nsAString& aName)
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{
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return mPlugin->GetName(aName);
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}
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NS_IMETHODIMP
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PluginElementImpl::GetLength(PRUint32* aLength)
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{
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return mPlugin->GetLength(aLength);
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}
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NS_IMETHODIMP
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PluginElementImpl::Item(PRUint32 aIndex, nsIDOMMimeType** aReturn)
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{
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if (mMimeTypeArray == nsnull) {
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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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if (aIndex < mMimeTypeCount) {
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nsIDOMMimeType* mimeType = mMimeTypeArray[aIndex];
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NS_IF_ADDREF(mimeType);
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*aReturn = mimeType;
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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PluginElementImpl::NamedItem(const nsAString& aName,
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nsIDOMMimeType** aReturn)
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{
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if (mMimeTypeArray == nsnull) {
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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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*aReturn = nsnull;
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for (PRUint32 i = 0; i < mMimeTypeCount; i++) {
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nsAutoString type;
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nsIDOMMimeType* mimeType = mMimeTypeArray[i];
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if (mimeType->GetType(type) == NS_OK) {
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if (type.Equals(aName)) {
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*aReturn = mimeType;
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NS_ADDREF(mimeType);
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break;
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}
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}
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}
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return NS_OK;
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}
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nsresult
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PluginElementImpl::GetMimeTypes()
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{
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nsresult rv = mPlugin->GetLength(&mMimeTypeCount);
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if (rv == NS_OK) {
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mMimeTypeArray = new nsIDOMMimeType*[mMimeTypeCount];
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if (mMimeTypeArray == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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for (PRUint32 i = 0; i < mMimeTypeCount; i++) {
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nsCOMPtr<nsIDOMMimeType> mimeType;
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rv = mPlugin->Item(i, getter_AddRefs(mimeType));
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if (rv != NS_OK)
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break;
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mimeType = new MimeTypeElementImpl(this, mimeType);
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NS_IF_ADDREF(mMimeTypeArray[i] = mimeType);
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}
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}
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return rv;
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}
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