CSsmPropertyObserver Class Reference
| class CSsmPropertyObserver : public CActive |
Provide an abstract class for observing RProperty value changes from the SSM Utility Server.
Constructor & Destructor Documentation
CSsmPropertyObserver(TUid, TUint)
| IMPORT_C | CSsmPropertyObserver | ( | TUid | aCategory, |
| | TUint | aKey |
| | ) | |
Creates a new CSsmProperty Observer.
Parameters
| TUid aCategory | The category of the property to monitor. |
| TUint aKey | The key of the property to monitor. |
~CSsmPropertyObserver()
| IMPORT_C | ~CSsmPropertyObserver | ( | ) | [protected, virtual] |
Releases any resources allocated to this object.
Member Functions Documentation
DoCancel()
| IMPORT_C void | DoCancel | ( | ) | [protected, virtual] |
Cancels monitoring for this property
InitializeL()
| IMPORT_C void | InitializeL | ( | ) | [virtual] |
Initialises this object but does not start responding to changes to the monitored property.
PropertyChangedL(TInt)
|
TBool
| PropertyChangedL | ( | TInt | aValue | ) | [pure virtual] |
Function that is called everytime the property for this observer changes.
This is also called once when the observation is first started using StartL().
Note:
If EFalse is returned from this object then this object is not destroyed.
Parameters
| TInt aValue | The new value for the observed property. |
Release()
| IMPORT_C void | Release | ( | ) | [virtual] |
Releases this object freeing any resources allocated to it.
Using this object after calling release will have undefined behaviour.
RunError(TInt)
| IMPORT_C TInt | RunError | ( | TInt | aError | ) | [protected, virtual] |
RunL()
| IMPORT_C void | RunL | ( | ) | [protected, virtual] |
CActive::RunL implementation to call the observer function and to re-request monitoring.
StartL()
| IMPORT_C void | StartL | ( | ) | [virtual] |
Starts this observer responding to the monitored property.
doRunL()
Internal RunL helper method
Member Data Documentation
const TUid iCategory
| const TUid | iCategory | [protected] |
const TUint iKey
| const TUint | iKey | [protected] |
TInt
iReserved
|
TInt
| iReserved | [protected] |
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reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License
v1.0.