imageeditor/ImageEditorManager/inc/ImageEditorPluginStorage.h
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0:57d4cdd99204 1:edfc90759b9f
       
     1 /*
       
     2 * Copyright (c) 2010 Ixonos Plc.
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - Initial contribution
       
    11 *
       
    12 * Contributors:
       
    13 * Ixonos Plc
       
    14 *
       
    15 * Description:  
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #ifndef IMAGEEDITORPLUGINSTORAGE_H
       
    22 #define IMAGEEDITORPLUGINSTORAGE_H
       
    23 
       
    24 //	INCLUDES
       
    25 #include <e32base.h>
       
    26 #include <e32std.h>
       
    27 
       
    28 #include "imageeditordebugutils.h"
       
    29 
       
    30 //	FORWARD DECLARATIONS
       
    31 class CPluginInfo;
       
    32 class RReadStream;
       
    33 class RWriteStream;
       
    34 
       
    35 /*   CLASS: CPluginStorage
       
    36 *
       
    37 *
       
    38 */ 
       
    39 class CPluginStorage : public CBase
       
    40 {
       
    41 
       
    42 public:
       
    43 
       
    44 /** @name Typedefs:*/
       
    45 //@{
       
    46 	/// Plug-in group array
       
    47 	typedef RPointerArray<CPluginInfo> RPluginInfoArray;
       
    48 //@}
       
    49 
       
    50 /** @name Methods:*/
       
    51 //@{
       
    52 
       
    53 	/** NewL factory method, pops cleanupstack
       
    54 	*
       
    55 	*	@param -
       
    56 	*	@return pointer to created CPluginStorage object
       
    57 	*/
       
    58 	static CPluginStorage * NewL ();
       
    59 
       
    60 	/** Destructor
       
    61 	*
       
    62 	*	@param -
       
    63 	*	@return -
       
    64 	*/
       
    65 	virtual ~CPluginStorage ();
       
    66 
       
    67     /** CountPlugins
       
    68 	*
       
    69 	*	Counts the number of found plug-ins.
       
    70 	*
       
    71 	*	@param -
       
    72 	*	@return TInt - count of plug-ins
       
    73 	*/
       
    74     TInt CountPlugins() const;
       
    75 
       
    76     /** ResetAndDestroy
       
    77 	*
       
    78 	*	Empty the storage and free allocated resources.
       
    79 	*
       
    80 	*	@param -
       
    81 	*	@return 
       
    82 	*/
       
    83     void ResetAndDestroy();
       
    84 
       
    85     /** FindPluginDll
       
    86 	*
       
    87 	*	Finds plug-in with DLL file name aPluginDll
       
    88 	*
       
    89 	*	@param aPluginDll - plug-in run-time ID
       
    90 	*	@param aPos - index of the located element
       
    91 	*	@return Zero, if a matching descriptor is found. Non-zero otherwise. 
       
    92 	*/
       
    93     TInt FindPluginDll(const TDesC& aPluginDll, TInt& aPos ) const;
       
    94 
       
    95     /** GetPluginInfo
       
    96 	*
       
    97 	*	Returns plug-in information in group aGroup at position aPlugin.
       
    98 	*
       
    99 	*	@param aID - plug-in run-time ID
       
   100 	*	@return plug-in information class
       
   101 	*/
       
   102     CPluginInfo * GetPluginInfo (const TInt	aID);
       
   103 
       
   104 	/** AddPluginInfoL
       
   105 	*
       
   106 	*	Add a new CPluginInfo instance to the storage.
       
   107 	*
       
   108 	*	@param aGroup - plug-in group index
       
   109 	*	@param aPlugin - plug-in index
       
   110 	*	@return -
       
   111 	*/
       
   112 	void AddPluginInfoL (const CPluginInfo * aPluginInfo);
       
   113 
       
   114 	/** ExternalizeL
       
   115 	*
       
   116 	*	Externalizes object.
       
   117 	*
       
   118 	*	@param aStream - write stream
       
   119 	*	@return -
       
   120 	*/
       
   121 	void ExternalizeL(RWriteStream& aStream) const;
       
   122 
       
   123 	/** InternalizeL
       
   124 	*
       
   125 	*	Internalizes object.
       
   126 	*
       
   127 	*	@param aStream - read stream
       
   128 	*	@return -
       
   129 	*/
       
   130 	void InternalizeL(RReadStream& aStream);
       
   131 
       
   132 //@}
       
   133 
       
   134 protected:
       
   135 
       
   136 /** @name Methods:*/
       
   137 //@{
       
   138 
       
   139 //@}
       
   140 
       
   141 /** @name Members:*/
       
   142 //@{
       
   143 
       
   144 //@}
       
   145 
       
   146 private:
       
   147 
       
   148 /** @name Methods:*/
       
   149 //@{
       
   150 
       
   151 	/** Default constructor, cannot leave.
       
   152 	*
       
   153 	*	@param -
       
   154 	*	@return -
       
   155 	*/
       
   156 	CPluginStorage ();
       
   157 
       
   158 	/** Second phase constructor, may leave
       
   159 	*
       
   160 	*	@param -
       
   161 	*	@return -
       
   162 	*/
       
   163 	void ConstructL ();
       
   164 
       
   165 	/** Copy constructor, disabled
       
   166 	*/
       
   167 	CPluginStorage (const CPluginStorage & rhs);
       
   168 
       
   169 	/** Assignment operator, disabled 
       
   170 	*/
       
   171 	CPluginStorage & operator= (const CPluginStorage & rhs);
       
   172 
       
   173 //@}
       
   174 
       
   175 /** @name Members:*/
       
   176 //@{
       
   177 	/// Plug-in array
       
   178 	RPluginInfoArray    iPlugins;
       
   179 //@}
       
   180 
       
   181 };
       
   182 
       
   183 
       
   184 #endif