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123 lines
3.4 KiB
C++
123 lines
3.4 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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#ifndef dom_plugins_PluginIdentifierParent_h
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#define dom_plugins_PluginIdentifierParent_h
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#include "mozilla/plugins/PPluginIdentifierParent.h"
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#include "npapi.h"
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#include "npruntime.h"
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namespace mozilla {
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namespace plugins {
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class PluginInstanceParent;
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class PluginIdentifierParent : public PPluginIdentifierParent
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{
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friend class PluginModuleParent;
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public:
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NPIdentifier ToNPIdentifier()
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{
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return mIdentifier;
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}
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bool IsTemporary() {
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return !!mTemporaryRefs;
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}
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/**
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* Holds a perhaps-temporary identifier for the current stack frame.
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*/
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class NS_STACK_CLASS StackIdentifier
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{
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public:
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StackIdentifier(PluginInstanceParent* inst, NPIdentifier aIdentifier);
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StackIdentifier(NPObject* aObject, NPIdentifier aIdentifier);
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~StackIdentifier();
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operator PluginIdentifierParent*() {
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return mIdentifier;
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(StackIdentifier);
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PluginIdentifierParent* mIdentifier;
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};
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protected:
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PluginIdentifierParent(NPIdentifier aIdentifier, bool aTemporary)
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: mIdentifier(aIdentifier)
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, mTemporaryRefs(aTemporary ? 1 : 0)
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{
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MOZ_COUNT_CTOR(PluginIdentifierParent);
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}
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virtual ~PluginIdentifierParent()
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{
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MOZ_COUNT_DTOR(PluginIdentifierParent);
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}
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virtual bool RecvRetain();
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void AddTemporaryRef() {
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mTemporaryRefs++;
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}
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/**
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* @returns true if the last temporary reference was removed.
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*/
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bool RemoveTemporaryRef() {
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--mTemporaryRefs;
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return !mTemporaryRefs;
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}
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private:
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NPIdentifier mIdentifier;
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unsigned int mTemporaryRefs;
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};
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} // namespace plugins
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} // namespace mozilla
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#endif // dom_plugins_PluginIdentifierParent_h
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