mirror of
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267 lines
7.4 KiB
C++
267 lines
7.4 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 Plugin App.
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*
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* The Initial Developer of the Original Code is
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* Ben Turner <bent.mozilla@gmail.com>
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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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#ifndef dom_plugins_PluginScriptableObjectChild_h
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#define dom_plugins_PluginScriptableObjectChild_h 1
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#include "mozilla/plugins/PPluginScriptableObjectChild.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 PluginInstanceChild;
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class PluginScriptableObjectChild;
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struct ChildNPObject : NPObject
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{
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ChildNPObject()
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: NPObject(), parent(NULL), invalidated(false)
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{
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MOZ_COUNT_CTOR(ChildNPObject);
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}
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~ChildNPObject()
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{
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MOZ_COUNT_DTOR(ChildNPObject);
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}
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// |parent| is always valid as long as the actor is alive. Once the actor is
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// destroyed this will be set to null.
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PluginScriptableObjectChild* parent;
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bool invalidated;
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};
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class PluginScriptableObjectChild : public PPluginScriptableObjectChild
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{
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friend class PluginInstanceChild;
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public:
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PluginScriptableObjectChild(ScriptableObjectType aType);
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virtual ~PluginScriptableObjectChild();
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void
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InitializeProxy();
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void
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InitializeLocal(NPObject* aObject);
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virtual bool
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AnswerInvalidate();
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virtual bool
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AnswerHasMethod(const NPRemoteIdentifier& aId,
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bool* aHasMethod);
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virtual bool
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AnswerInvoke(const NPRemoteIdentifier& aId,
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const nsTArray<Variant>& aArgs,
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Variant* aResult,
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bool* aSuccess);
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virtual bool
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AnswerInvokeDefault(const nsTArray<Variant>& aArgs,
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Variant* aResult,
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bool* aSuccess);
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virtual bool
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AnswerHasProperty(const NPRemoteIdentifier& aId,
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bool* aHasProperty);
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virtual bool
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AnswerGetProperty(const NPRemoteIdentifier& aId,
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Variant* aResult,
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bool* aSuccess);
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virtual bool
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AnswerSetProperty(const NPRemoteIdentifier& aId,
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const Variant& aValue,
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bool* aSuccess);
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virtual bool
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AnswerRemoveProperty(const NPRemoteIdentifier& aId,
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bool* aSuccess);
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virtual bool
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AnswerEnumerate(nsTArray<NPRemoteIdentifier>* aProperties,
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bool* aSuccess);
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virtual bool
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AnswerConstruct(const nsTArray<Variant>& aArgs,
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Variant* aResult,
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bool* aSuccess);
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virtual bool
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AnswerProtect();
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virtual bool
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AnswerUnprotect();
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NPObject*
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GetObject(bool aCanResurrect);
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static const NPClass*
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GetClass()
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{
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return &sNPClass;
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}
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PluginInstanceChild*
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GetInstance() const
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{
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return mInstance;
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}
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// Protect only affects LocalObject actors. It is called by the
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// ProtectedVariant/Actor helper classes before the actor is used as an
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// argument to an IPC call and when the parent process resurrects a
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// proxy object to the NPObject associated with this actor.
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void Protect();
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// Unprotect only affects LocalObject actors. It is called by the
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// ProtectedVariant/Actor helper classes after the actor is used as an
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// argument to an IPC call and when the parent process is no longer using
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// this actor.
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void Unprotect();
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// DropNPObject is only used for Proxy actors and is called when the child
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// process is no longer using the NPObject associated with this actor. The
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// parent process may subsequently use this actor again in which case a new
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// NPObject will be created and associated with this actor (see
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// ResurrectProxyObject).
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void DropNPObject();
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/**
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* After NPP_Destroy, all NPObjects associated with an instance are
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* destroyed. We are informed of this destruction. This should only be called
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* on Local actors.
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*/
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void NPObjectDestroyed();
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bool
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Evaluate(NPString* aScript,
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NPVariant* aResult);
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ScriptableObjectType
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Type() const {
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return mType;
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}
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private:
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static NPObject*
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ScriptableAllocate(NPP aInstance,
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NPClass* aClass);
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static void
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ScriptableInvalidate(NPObject* aObject);
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static void
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ScriptableDeallocate(NPObject* aObject);
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static bool
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ScriptableHasMethod(NPObject* aObject,
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NPIdentifier aName);
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static bool
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ScriptableInvoke(NPObject* aObject,
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NPIdentifier aName,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult);
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static bool
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ScriptableInvokeDefault(NPObject* aObject,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult);
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static bool
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ScriptableHasProperty(NPObject* aObject,
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NPIdentifier aName);
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static bool
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ScriptableGetProperty(NPObject* aObject,
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NPIdentifier aName,
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NPVariant* aResult);
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static bool
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ScriptableSetProperty(NPObject* aObject,
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NPIdentifier aName,
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const NPVariant* aValue);
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static bool
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ScriptableRemoveProperty(NPObject* aObject,
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NPIdentifier aName);
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static bool
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ScriptableEnumerate(NPObject* aObject,
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NPIdentifier** aIdentifiers,
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uint32_t* aCount);
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static bool
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ScriptableConstruct(NPObject* aObject,
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const NPVariant* aArgs,
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uint32_t aArgCount,
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NPVariant* aResult);
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NPObject*
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CreateProxyObject();
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// ResurrectProxyObject is only used with Proxy actors. It is called when the
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// parent process uses an actor whose NPObject was deleted by the child
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// process.
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bool ResurrectProxyObject();
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private:
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PluginInstanceChild* mInstance;
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NPObject* mObject;
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bool mInvalidated;
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int mProtectCount;
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ScriptableObjectType mType;
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static const NPClass sNPClass;
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};
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} /* namespace plugins */
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} /* namespace mozilla */
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#endif /* dom_plugins_PluginScriptableObjectChild_h */
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