usbuis/imageprintui/inc/connectionmanager.h
changeset 93 2dc695882abd
parent 89 3592750162a5
equal deleted inserted replaced
89:3592750162a5 93:2dc695882abd
     1 /*
       
     2 * Copyright (c) 2006, 2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "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 *
       
    14 * Description:  Header file for connectionmanager
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef CONNECTIONMANAGER_H
       
    20 #define CONNECTIONMANAGER_H
       
    21 
       
    22 #include <e32base.h>
       
    23 
       
    24 class CDpsEngine; 
       
    25 class CNotes;
       
    26 class CImagePrintUiAppUi;
       
    27 
       
    28 /**
       
    29 * CConnectionManager is an active object that sends an asynchronous request 
       
    30 * to know about the connection status.
       
    31 */
       
    32 class CConnectionManager : public CActive 
       
    33     {
       
    34         
       
    35 public:
       
    36 
       
    37     /**
       
    38      * Factory method NewL
       
    39      * @param aAppUi the pointer to the AppUi instance 
       
    40      * @param aEngine    Instance to DpsEngine
       
    41      * @param aNotes     Instance to Notes class
       
    42      * @return           The new object. 
       
    43      */
       
    44     static CConnectionManager* NewL(CImagePrintUiAppUi* aAppUi, 
       
    45     						        CDpsEngine* aEngine, CNotes* aNotes);
       
    46 
       
    47    /**
       
    48     * Destructor.
       
    49     */
       
    50    virtual ~CConnectionManager();
       
    51 
       
    52    /**
       
    53     * Starts search printer
       
    54     */
       
    55    void StartSearchPrinter();
       
    56 
       
    57 private: 
       
    58 
       
    59 //from CActive
       
    60 
       
    61     /**
       
    62      *	Implements CActive
       
    63      *	@param none
       
    64      *	@return none
       
    65      */
       
    66     void RunL();
       
    67     
       
    68     /**
       
    69      *  Implements CActive
       
    70      *  @param aError the error returned
       
    71      *  @return error
       
    72      */
       
    73     TInt RunError(TInt aError);
       
    74 
       
    75     /**
       
    76      *	Implements CActive
       
    77      *	@param none
       
    78      *	@return none
       
    79      */
       
    80     void DoCancel();
       
    81 
       
    82 private: 
       
    83 
       
    84     /**
       
    85      * Starts listening for notifications. If already listening, nothing 
       
    86      * happens.
       
    87      * @param none
       
    88      * @return none
       
    89      */
       
    90     void StartListening();
       
    91 
       
    92     /**
       
    93      * C++ default constructor
       
    94      * @param aAppUi the pointer to the AppUi instance  
       
    95      * @param aEngine   Instance of DpsEngine
       
    96      * @param aNotes     Instance to Notes class
       
    97      */
       
    98     CConnectionManager( CImagePrintUiAppUi* aAppUi, 
       
    99                         CDpsEngine* aEngine, CNotes* aNotes);
       
   100      
       
   101 private: //data
       
   102 
       
   103 
       
   104     CImagePrintUiAppUi* iAppUi;
       
   105 
       
   106     /**
       
   107      * Instance to DpsEngine to get connection status
       
   108      * Not own
       
   109      */
       
   110     CDpsEngine* iDpsEngine; 
       
   111 
       
   112     TBool iActiveNote;
       
   113     TBool iSetPrintCall;
       
   114     CNotes* iNotes;
       
   115     TInt iPreviousStatus;
       
   116     };
       
   117 
       
   118 
       
   119 #endif      // CONNECTIONMANAGER_H
       
   120 
       
   121 // End of File