author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:35:48 +0100 | |
branch | RCL_3 |
changeset 70 | b564fb5fd78b |
parent 69 | 9d7ce34704c8 |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// |
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/** |
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@file |
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@internalAll |
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*/ |
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#ifndef SYMBIAN_FACTORY_H |
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#define SYMBIAN_FACTORY_H |
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#include <elements/nm_node.h> |
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#include <elements/factoryobject.h> |
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namespace Factories |
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{ |
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class CFactoryBase; |
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class CFactoryContainer; |
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typedef CFactoryBase* (*TFACTORYCONSTRUCTOR)(const TDesC8&, CFactoryContainer&); |
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class IFactoryNotify; |
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class CFactoryContainer : public CBase |
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/** Factory Factory Container class is used to store factory objects of a |
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specific type. It provides basic functionality to find, add and remove factories. |
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@internalAll |
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*/ |
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{ |
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friend class CFactoryBase; |
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public: |
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IMPORT_C CFactoryBase* FindFactory(TUid aFactoryUid) const; |
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IMPORT_C ~CFactoryContainer(); |
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IMPORT_C void RegisterNotifierL(TUid aFactoryUid, const IFactoryNotify& aFactoryNotify); |
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IMPORT_C virtual NetInterfaces::TInterfaceControl* FetchNodeInterfaceControlL(TInt aInterfaceId); |
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protected: |
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IMPORT_C explicit CFactoryContainer(); |
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IMPORT_C void AddL(CFactoryBase& aFactory); |
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IMPORT_C CFactoryBase* Factory(TInt aIndex) const; //checks if the aIndex is within the range |
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IMPORT_C AFactoryObject* FindObject(MFactoryQuery& aQuery) const; |
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private: |
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RPointerArray<CFactoryBase> iFactories; |
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}; |
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class CFactoryContainerNode : public CFactoryContainer, |
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public Messages::ASimpleNodeIdBase |
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/** Factory Factory Container class is used to store factory objects of a |
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specific type. It provides basic functionality to find, add and remove factories. |
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@internalAll |
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*/ |
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{ |
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public: |
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IMPORT_C ~CFactoryContainerNode(); |
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protected: |
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IMPORT_C explicit CFactoryContainerNode(); |
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}; |
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class CFactoryBase : public CBase, |
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public NetInterfaces::AApiExtBase |
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/** Factory Base class provides basic object managment |
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functionlity and the ability for a factory to be load from another |
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Dynamic Linked Library via the ECOM framework. |
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It also provides asynchronous destruction for it's managed objects (if |
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required) but also copes with synchronous destruction, should a managed |
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object get deleted by another entity. |
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@internalAll |
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*/ |
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{ |
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friend class AFactoryObject; |
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friend class CFactoryContainer; |
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friend class RPointerArray<CFactoryBase>; |
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public: |
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IMPORT_C static CFactoryBase* NewL(const TDesC8& aName, const TUid& aInterfaceUid, CFactoryContainer& aParentContainer); |
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IMPORT_C static CFactoryBase* NewL(const TUid& aImplementationUid, CFactoryContainer& aParentContainer); |
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IMPORT_C TUid Uid() const; |
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CFactoryContainer& ParentContainer() {return iParentContainer;} |
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IMPORT_C void RegisterNotifierL(const IFactoryNotify& aFactoryNotify); |
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IMPORT_C void DeRegisterNotifier(const IFactoryNotify& aFactoryNotify); |
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// Called by a node to indicate that an interface state change has taken place. The factory then propagates |
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// this to all observers that have registered to be notified. |
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IMPORT_C void InterfaceStateChange(const TDesC8& aInfo); |
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protected: |
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IMPORT_C explicit CFactoryBase(TUid aFactoryUid, CFactoryContainer& aParentContainer); |
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IMPORT_C ~CFactoryBase(); |
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IMPORT_C void ConstructL(const TUid& aDestroyUid); |
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IMPORT_C void ConstructL(); |
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//Removes aObject from the factory (doesn't delete the object). |
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IMPORT_C void RemoveManagedObject(AFactoryObject& aObject); |
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//Marks aObject for deletion. The object will not be served by 'this' from now on. |
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IMPORT_C void ManagedObjectBeingDeleted(AFactoryObject& aObject); |
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IMPORT_C TFactoryObjectEntry& AddManagedObjectL(AFactoryObject& aObject); |
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IMPORT_C AFactoryObject* FindObject(MFactoryQuery& aQuery) const; |
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private: |
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IMPORT_C void SignalDeletion(AFactoryObject& aObject); |
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IMPORT_C TInt SignalCreation(AFactoryObject& aObject); |
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void RemoveManagedObject(TInt aIndex); |
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private: |
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CFactoryContainer& iParentContainer; |
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TUid iFactoryUid; |
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RArray<TFactoryObjectEntry> iObjects; |
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TUid iDestroyUid; |
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protected: |
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RArray<IFactoryNotify> iFactoryNotify; // accessed by shimcpr for InterfaceStateChange |
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}; |
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template <class FACTORY_OBJECT_TYPE> |
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FACTORY_OBJECT_TYPE* factoryobject_cast(AFactoryObject* aFactoryObject) |
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{ |
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return aFactoryObject && TUid::Uid(FACTORY_OBJECT_TYPE::FactoryType::iUid) == aFactoryObject->Factory().Uid() ? |
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static_cast<FACTORY_OBJECT_TYPE*>(aFactoryObject) : NULL; |
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}; |
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template <class FACTORY_OBJECT_TYPE> |
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FACTORY_OBJECT_TYPE* factoryobject_cast(const AFactoryObject* aFactoryObject) |
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{ |
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return aFactoryObject && TUid::Uid(FACTORY_OBJECT_TYPE::FactoryType::iUid) == aFactoryObject->Factory().Uid() ? |
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static_cast<FACTORY_OBJECT_TYPE*>(aFactoryObject) : NULL; |
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} |
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} //namespace Factories |
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#endif |
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//SYMBIAN_FACTORY_H |
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