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125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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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 Content App.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 "PluginMessageUtils.h"
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#include "nsIRunnable.h"
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#include "nsThreadUtils.h"
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#include "PluginInstanceParent.h"
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#include "PluginInstanceChild.h"
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#include "PluginScriptableObjectParent.h"
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#include "PluginScriptableObjectChild.h"
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using mozilla::ipc::RPCChannel;
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namespace {
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class DeferNPObjectReleaseRunnable : public nsRunnable
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{
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public:
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DeferNPObjectReleaseRunnable(const NPNetscapeFuncs* f, NPObject* o)
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: mFuncs(f)
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, mObject(o)
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{
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NS_ASSERTION(o, "no release null objects");
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}
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NS_IMETHOD Run();
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private:
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const NPNetscapeFuncs* mFuncs;
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NPObject* mObject;
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};
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NS_IMETHODIMP
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DeferNPObjectReleaseRunnable::Run()
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{
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mFuncs->releaseobject(mObject);
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return NS_OK;
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}
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} // anonymous namespace
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namespace mozilla {
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namespace plugins {
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RPCChannel::RacyRPCPolicy
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MediateRace(const RPCChannel::Message& parent,
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const RPCChannel::Message& child)
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{
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switch (parent.type()) {
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case PPluginInstance::Msg_Paint__ID:
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case PPluginInstance::Msg_NPP_SetWindow__ID:
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// our code relies on the frame list not changing during paints and
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// reflows
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return RPCChannel::RRPParentWins;
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default:
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return RPCChannel::RRPChildWins;
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}
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}
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PRLogModuleInfo* gPluginLog = PR_NewLogModule("IPCPlugins");
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void
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DeferNPObjectLastRelease(const NPNetscapeFuncs* f, NPObject* o)
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{
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if (!o)
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return;
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if (o->referenceCount > 1) {
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f->releaseobject(o);
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return;
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}
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NS_DispatchToCurrentThread(new DeferNPObjectReleaseRunnable(f, o));
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}
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void DeferNPVariantLastRelease(const NPNetscapeFuncs* f, NPVariant* v)
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{
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if (!NPVARIANT_IS_OBJECT(*v)) {
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f->releasevariantvalue(v);
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return;
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}
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DeferNPObjectLastRelease(f, v->value.objectValue);
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VOID_TO_NPVARIANT(*v);
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}
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} // namespace plugins
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} // namespace mozilla
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