ContentProvider::Observer

class kanzi::connect::ContentProvider::Observer

Allows to monitor changes in Content Provider.

Subclassed by ContentProviderCollection, ContentSubscription

Public Functions

inline virtual ~Observer()

Virtual destructor (for SWIG).

inline virtual void onChanged(ContentProvider*, const string&, bool)

Callback to notify that change has occurred in given content provider.

Parameters

  • provider – Content Provider that changed.

  • uri – Uri within Content Provider domain that changed.

  • async – Boolean indicating whether changes need to propagate to subscribers immediately, or is it ok to process the queries asynchronously.

inline virtual void onInvalidated(ContentProvider*, const string&, int, int, int)

Callback to notify invalidation of content provider.

Parameters

  • provider – Content provider that changed.

  • reason – the reason for invalidation. Not currently used.

  • beginRow – inclusive start row of the change. Not currently used.

  • endRow – inclusive end row of the change. Not currently used.