imageeditor/ImageEditorManager/inc/PluginLoader.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 PLUGINLOADER_HPP
       
    22 #define PLUGINLOADER_HPP
       
    23 
       
    24 //	INCLUDES
       
    25 #include <e32base.h>
       
    26 
       
    27 #include "imageeditordebugutils.h"
       
    28 
       
    29 //	PLUGIN TYPE DEFINITIONS
       
    30 #include "plugintypedef.h"
       
    31 
       
    32 
       
    33 /*	CLASS: CPluginLoader
       
    34 *
       
    35 *	CPluginLoader is a class loading a polymorphic DLL plug-in. 
       
    36 */ 
       
    37 class CPluginLoader : public CBase
       
    38 {
       
    39 
       
    40 public:
       
    41 
       
    42 /** @name Methods:*/
       
    43 //@{
       
    44 
       
    45 	/** NewL factory method, pops cleanupstack
       
    46 	*
       
    47 	*	@param aFileName - plug-in name
       
    48 	*	@param aUID2 - pointer to UID2, if NULL not checked
       
    49 	*	@param aUID3 - pointer to UID3, if NULL not checked
       
    50 	*	@return pointer to created object
       
    51 	*/
       
    52 	static CPluginLoader * NewL (
       
    53 		const TDesC	&	aFileName,
       
    54 		const TUid *	aUID2,
       
    55 		const TUid *	aUID3
       
    56 		);
       
    57 
       
    58 	/** NewL factory method, does not pop cleanupstack
       
    59 	*
       
    60 	*	@param aFileName - plug-in name
       
    61 	*	@param aUID2 - pointer to UID2, if NULL not checked
       
    62 	*	@param aUID3 - pointer to UID3, if NULL not checked
       
    63 	*	@return pointer to created object
       
    64 	*/
       
    65 	static CPluginLoader * NewLC (
       
    66 		const TDesC	&	aFileName,
       
    67 		const TUid *	aUID2,
       
    68 		const TUid *	aUID3
       
    69 		);
       
    70 
       
    71 		/** Destructor
       
    72 	*	@param -
       
    73 	*	@return -
       
    74 	*/
       
    75 	virtual ~CPluginLoader ();
       
    76 
       
    77 	/** GetPlugin
       
    78 	*
       
    79 	*	Returns plug-in.
       
    80 	*
       
    81 	*	@param -
       
    82 	*	@return - the loaded and created plug-in
       
    83 	*/
       
    84 	CPluginType * GetPlugin () const;
       
    85 
       
    86 	/** GetPluginDll
       
    87 	*
       
    88 	*	Returns reference to the RLibrary object that has loaded the plug-in.
       
    89 	*
       
    90 	*	@param -
       
    91 	*	@return - RLibrary 
       
    92 	*/
       
    93 	const RLibrary & GetPluginDll () const;
       
    94 
       
    95 
       
    96 //@}
       
    97 
       
    98 protected:
       
    99 
       
   100 /** @name Methods:*/
       
   101 //@{
       
   102 
       
   103 //@}
       
   104 
       
   105 /** @name Members:*/
       
   106 //@{
       
   107 
       
   108 //@}
       
   109 
       
   110 private:
       
   111 
       
   112 /** @name Methods:*/
       
   113 //@{
       
   114 
       
   115 	/** Default constructor, cannot leave.
       
   116 	*
       
   117 	*	@param -
       
   118 	*	@return -
       
   119 	*/
       
   120 	CPluginLoader ();
       
   121 
       
   122 	/** Second phase constructor, may leave
       
   123 	*
       
   124 	*	@param aFileName - plug-in name
       
   125 	*	@param aUID2 - pointer to UID2, if NULL not checked
       
   126 	*	@param aUID3 - pointer to UID3, if NULL not checked
       
   127 	*/
       
   128 	void ConstructL (
       
   129 		const TDesC	&	aFileName,
       
   130 		const TUid *	aUID2,
       
   131 		const TUid *	aUID3
       
   132 		);
       
   133 
       
   134 	/** Copy constructor, disabled
       
   135 	*/
       
   136 	CPluginLoader (const CPluginLoader & rhs);
       
   137 
       
   138 	/** Assignment operator, disabled 
       
   139 	*/
       
   140 	CPluginLoader & operator= (const CPluginLoader & rhs);
       
   141 
       
   142 //@}
       
   143 
       
   144 /** @name Members:*/
       
   145 //@{
       
   146 	/// DLL loader
       
   147 	RLibrary			iLibrary;
       
   148 	/// Plugin 
       
   149 	CPluginType *		iPlugin;
       
   150 //@}
       
   151 
       
   152 };
       
   153 
       
   154 
       
   155 #endif