1 /*

     2  ============================================================================

     3  Name		: VRUSBStateHanlder.cpp

     4  Author	  : Junhua Xu

     5  Version	 : 1.0

     6  Copyright   : Your copyright notice

     7  Description : CVRUSBStateHanlder implementation

     8  ============================================================================

     9  */

    10 

    11 #include <e32cmn.h>

    12 #include <usbpersonalityids.h>

    13 #include <e32property.h> 

    14 #include <UsbWatcherInternalPSKeys.h>

    15 #include <usbpersonalityids.h>

    16 

    17 #include <aknwaitdialog.h>

    18 #include <EIKENV.H> 

    19 

    20 #include "VRUSBStateHanlder.h"

    21 #include "CVRRecView.h"

    22 

    23 CVRUSBStateHanlder::CVRUSBStateHanlder(MVRUSBStateObserver* aObserver) :

    24     CActive(EPriorityStandard), // Standard priority

    25             iObserver(aObserver)

    26     {

    27     }

    28 

    29 EXPORT_C CVRUSBStateHanlder* CVRUSBStateHanlder::NewL(

    30         MVRUSBStateObserver* aObserver)

    31     {

    32     CVRUSBStateHanlder* self = new (ELeave) CVRUSBStateHanlder(aObserver);

    33     CleanupStack::PushL(self);

    34     self->ConstructL();

    35     CleanupStack::Pop(); // self;

    36     return self;

    37     }

    38 

    39 void CVRUSBStateHanlder::ConstructL()

    40     {

    41 #ifdef DUMMY_USB_TESTING 

    42     User::LeaveIfError(iTimer.CreateLocal()); // Initialize timer

    43 #else

    44     iProperty.Attach(KPSUidUsbWatcher, KUsbWatcherSelectedPersonality);

    45 #endif

    46     CActiveScheduler::Add(this); // Add to scheduler    

    47     StartL();

    48     }

    49 

    50 CVRUSBStateHanlder::~CVRUSBStateHanlder()

    51     {

    52     Cancel(); // Cancel any request, if outstanding

    53 #ifdef DUMMY_USB_TESTING   

    54     iTimer.Close();

    55 #else      

    56     iProperty.Close();

    57 #endif     

    58     }

    59 

    60 void CVRUSBStateHanlder::DoCancel()

    61     {

    62 #ifdef DUMMY_USB_TESTING   

    63     iTimer.Cancel();

    64 #else      

    65     iProperty.Cancel();

    66 #endif  

    67 

    68     }

    69 

    70 void CVRUSBStateHanlder::StartL()

    71     {

    72     Cancel(); // Cancel any request, just to be sure

    73 #ifdef DUMMY_USB_TESTING

    74     iTimer.After(iStatus, 10000000); // Set for later

    75     SetActive(); // Tell scheduler a request is active   

    76 #else   

    77     SetActive();

    78     iProperty.Subscribe(iStatus);

    79 #endif

    80     }

    81 

    82 void CVRUSBStateHanlder::RunL()

    83     {

    84 #ifdef DUMMY_USB_TESTING

    85     CDummyUSBState::HandleUSBEventL();

    86 #endif

    87     if (IsUsbActive())

    88         {

    89         iObserver->HandleUsbPlugInL();

    90         }

    91     else

    92         {

    93         iObserver->HandleUsbPlugOutL();

    94         }

    95 #ifdef DUMMY_USB_TESTING    

    96     //    iStatus = KRequestPending;

    97     SetActive(); // Tell scheduler a request is active    

    98     iTimer.After(iStatus, 10000000); // Set for later

    99 #else

   100     StartL();

   101 #endif

   102     }

   103 

   104 TInt CVRUSBStateHanlder::RunError(TInt aError)

   105     {

   106     return aError;

   107     }

   108 

   109 EXPORT_C TBool CVRUSBStateHanlder::IsUsbActive()

   110     {

   111 #ifdef DUMMY_USB_TESTING

   112     //dummy

   113     return CDummyUSBState::IsUSBActive();

   114 #else

   115 

   116     TInt usbState;

   117     TInt err = RProperty::Get(KPSUidUsbWatcher,

   118             KUsbWatcherSelectedPersonality, usbState);

   119 

   120     if (KErrNone == err && KUsbPersonalityIdMS == usbState)

   121         {

   122         return true;

   123         }

   124     else

   125         {

   126         return false;

   127         }

   128 #endif

   129     }

   130