зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
3.6 KiB
C++
121 строка
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et :
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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 Plugins.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.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 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 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 "PluginIdentifierParent.h"
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#include "nsServiceManagerUtils.h"
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#include "nsNPAPIPlugin.h"
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#include "nsIJSContextStack.h"
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#include "PluginScriptableObjectUtils.h"
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#include "mozilla/unused.h"
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using namespace mozilla::plugins::parent;
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namespace mozilla {
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namespace plugins {
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bool
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PluginIdentifierParent::RecvRetain()
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{
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mTemporaryRefs = 0;
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// Intern the jsid if necessary.
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jsid id = NPIdentifierToJSId(mIdentifier);
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if (JSID_IS_INT(id)) {
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return true;
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}
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// The following is what nsNPAPIPlugin.cpp does. Gross, but the API doesn't
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// give you a NPP to play with.
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nsCOMPtr<nsIThreadJSContextStack> stack =
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do_GetService("@mozilla.org/js/xpc/ContextStack;1");
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if (!stack) {
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return false;
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}
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JSContext *cx = nsnull;
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stack->GetSafeJSContext(&cx);
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if (!cx) {
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return false;
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}
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JSAutoRequest ar(cx);
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JSString* str = JSID_TO_STRING(id);
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JSString* str2 = JS_InternJSString(cx, str);
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if (!str2) {
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return false;
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}
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NS_ASSERTION(str == str2, "Interning a string in a JSID should always return the same string.");
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return true;
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}
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PluginIdentifierParent::StackIdentifier::StackIdentifier
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(PluginInstanceParent* inst, NPIdentifier aIdentifier)
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: mIdentifier(inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier))
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{
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}
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PluginIdentifierParent::StackIdentifier::StackIdentifier
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(NPObject* aObject, NPIdentifier aIdentifier)
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: mIdentifier(NULL)
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{
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PluginInstanceParent* inst = GetInstance(aObject);
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mIdentifier = inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier);
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}
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PluginIdentifierParent::StackIdentifier::~StackIdentifier()
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{
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if (!mIdentifier) {
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return;
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}
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if (!mIdentifier->IsTemporary()) {
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return;
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}
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if (mIdentifier->RemoveTemporaryRef()) {
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unused << PPluginIdentifierParent::Send__delete__(mIdentifier);
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}
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}
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} // namespace mozilla::plugins
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} // namespace mozilla
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