usbuis/usbuinotif/src/usbuinotifotgerror.cpp
changeset 0 1e05558e2206
child 3 47c263f7e521
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     1 /*
       
     2 * Copyright (c) 2007, 2009 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:  USB UI queries notifier class.
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <eikenv.h>          // Eikon environment
       
    21 #include <bautils.h>         // BAFL utils (for language file)
       
    22 #include <utf.h>             // Unicode character conversion utilities
       
    23 #include <stringloader.h>    // Localisation stringloader
       
    24 #include <AknQueryDialog.h> 
       
    25 #include <aknnotewrappers.h>
       
    26 
       
    27 #include <usbuinotif.h>                     // pck
       
    28 #include <USBUINotif.rsg>                   // Own resources
       
    29 #include "usbuinotifotgerror.h"             // Own class definition
       
    30 #include "usbuinotifdebug.h"                // Debugging macros
       
    31 #include "USBUINotifSecondaryDisplay.h"     // Dialog index for cover UI
       
    32 // ================= MEMBER FUNCTIONS =========================================
       
    33 
       
    34 // ----------------------------------------------------------------------------
       
    35 // CUsbUiNotifOtgError::NewL
       
    36 // Two-phased constructor.
       
    37 // ----------------------------------------------------------------------------
       
    38 //
       
    39 CUsbUiNotifOtgError* CUsbUiNotifOtgError::NewL()
       
    40     {
       
    41     CUsbUiNotifOtgError* self = new (ELeave) CUsbUiNotifOtgError();
       
    42     CleanupStack::PushL( self );
       
    43     self->ConstructL();
       
    44     CleanupStack::Pop( self );
       
    45     return self;
       
    46     }
       
    47 
       
    48 // ----------------------------------------------------------------------------
       
    49 // CUsbUiNotifOtgError::CUsbUiNotifOtgError
       
    50 // C++ default constructor can NOT contain any code, that
       
    51 // might leave.
       
    52 // ----------------------------------------------------------------------------
       
    53 //
       
    54 CUsbUiNotifOtgError::CUsbUiNotifOtgError() :
       
    55     iStringIds( KUsbUiNotifOtgGeneralQueryGranularity)
       
    56     {
       
    57     }
       
    58 
       
    59 // ----------------------------------------------------------------------------
       
    60 // Destructor
       
    61 // ----------------------------------------------------------------------------
       
    62 //
       
    63 CUsbUiNotifOtgError::~CUsbUiNotifOtgError()
       
    64     {
       
    65     //Make sure that the request is completed. Note that inside the destructor,
       
    66     //this virtual function call is to local CUsbUiNotifOtgError::Cancel, 
       
    67     //not to any possibly derived class implementation. 
       
    68     Cancel();
       
    69     }
       
    70 
       
    71 void CUsbUiNotifOtgError::ConstructL()
       
    72     {
       
    73     CUSBUINotifierBase::ConstructL();
       
    74     iStringIds.AppendL( R_USB_OTG_ERROR_CURRENT_LIMIT);
       
    75     iStringIds.AppendL( R_USB_OTG_ERROR_TOO_MUCH_CURRENT_REQUIRED);
       
    76     iStringIds.AppendL( R_USB_OTG_ERROR_UNSUPPORTED);
       
    77     iStringIds.AppendL( R_USB_OTG_ERROR_HUB_UNSUPPORTED);
       
    78     iStringIds.AppendL( R_USB_OTG_ERROR_UNRECOVERABLE);
       
    79     iStringIds.AppendL( R_USB_OTG_ERROR_ATTACH_TIMEDOUT);
       
    80     }
       
    81 
       
    82 // ----------------------------------------------------------------------------
       
    83 // CUsbUiNotifOtgError::RegisterL
       
    84 // Register notifier.
       
    85 // ----------------------------------------------------------------------------
       
    86 //
       
    87 CUsbUiNotifOtgError::TNotifierInfo CUsbUiNotifOtgError::RegisterL()
       
    88     {
       
    89     iInfo.iUid = KUsbUiNotifOtgError;
       
    90     iInfo.iChannel = KUsbUiNotifOtgError;
       
    91     iInfo.iPriority = ENotifierPriorityVHigh;
       
    92     return iInfo;
       
    93     }
       
    94 
       
    95 // ----------------------------------------------------------------------------
       
    96 // CUsbUiNotifOtgError::GetParamsL
       
    97 //  Jump to RunL as soon as possible.
       
    98 // ----------------------------------------------------------------------------
       
    99 //
       
   100 void CUsbUiNotifOtgError::GetParamsL(const TDesC8& aBuffer, TInt aReplySlot,
       
   101         const RMessagePtr2& aMessage)
       
   102     {
       
   103     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::GetParamsL"));
       
   104     if (iQuery || iReplySlot != 0 || iNeedToCompleteMessage)
       
   105         {
       
   106         User::Leave( KErrInUse );
       
   107         }
       
   108 
       
   109     iMessage = aMessage;
       
   110     iNeedToCompleteMessage = ETrue;
       
   111     iReplySlot = aReplySlot;
       
   112 
       
   113     // Get parameters 
       
   114     //
       
   115     iErrorId = 0;
       
   116     TPckgC<TInt> pckg( iErrorId );
       
   117     pckg.Set( aBuffer );
       
   118     iErrorId = pckg();
       
   119 
       
   120     SetActive();
       
   121     iStatus = KRequestPending;
       
   122     TRequestStatus* stat = &iStatus;
       
   123     User::RequestComplete( stat, KErrNone );
       
   124     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::GetParamsL() completed"));
       
   125     }
       
   126 
       
   127 // ----------------------------------------------------------------------------
       
   128 // CUsbUiNotifOtgError::RunL
       
   129 // Ask user response and return it to caller.
       
   130 // ----------------------------------------------------------------------------
       
   131 //
       
   132 void CUsbUiNotifOtgError::RunL()
       
   133     {
       
   134     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::RunL"));
       
   135     TInt returnValue = KErrNone;
       
   136 
       
   137     DisableKeylock();
       
   138     SuppressAppSwitching( ETrue );
       
   139 
       
   140     //Excute dialog and check return value
       
   141     returnValue = QueryUserResponseL();
       
   142 
       
   143     SuppressAppSwitching( EFalse );
       
   144     RestoreKeylock();
       
   145     CompleteMessage( returnValue );
       
   146 
       
   147     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::RunL() completed"));
       
   148     }
       
   149 
       
   150 // ----------------------------------------------------------------------------
       
   151 // CUsbUiNotifOtgError::Cancel
       
   152 // Release all own resources (member variables)
       
   153 // ----------------------------------------------------------------------------
       
   154 //
       
   155 void CUsbUiNotifOtgError::Cancel()
       
   156     {
       
   157     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::Cancel"));
       
   158     if (iQuery)
       
   159         {
       
   160         delete iQuery;
       
   161         iQuery = NULL;
       
   162         }
       
   163     CompleteMessage( KErrCancel );
       
   164 
       
   165     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::Cancel() completed"));
       
   166     }
       
   167 
       
   168 // ----------------------------------------------------------------------------
       
   169 // CUsbUiNotifOtgError::QueryUserResponseL
       
   170 // Show query dialog. 
       
   171 // ----------------------------------------------------------------------------
       
   172 //
       
   173 TInt CUsbUiNotifOtgError::QueryUserResponseL()
       
   174     {
       
   175     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::QueryUserResponseL"));
       
   176     TInt returnValue = KErrNone;
       
   177     TInt resourceId = R_USB_QUERY_OTG_ERROR;
       
   178 
       
   179     iQuery = CAknQueryDialog::NewL( CAknQueryDialog::EErrorTone );
       
   180 
       
   181     if (iCoverDisplaySupported)
       
   182         {
       
   183         iQuery->PublishDialogL( iErrorId, KUsbUiNotifOtgError );
       
   184         }
       
   185     HBufC *stringHolder = StringLoader::LoadLC( iStringIds[iErrorId] );
       
   186 
       
   187     TInt keypress = iQuery->ExecuteLD( resourceId, *stringHolder );
       
   188 
       
   189     CleanupStack::PopAndDestroy( stringHolder );
       
   190 
       
   191     iQuery = NULL; // Dialog destroyed
       
   192 
       
   193     returnValue = keypress ? KErrNone : KErrCancel; //OK?
       
   194 
       
   195     FLOG(_L("[USBUINOTIF]\t CUsbUiNotifOtgError::QueryUserResponseL completed"));
       
   196     return returnValue;
       
   197     }
       
   198 
       
   199 // End of File