Home Screen Notifications
General structure
The general structure is based on the Model-View pattern on the front-end, supplied with a Provider's back-end notifications as follows:
Provider structure
On the provider's end, Notifications are managed by NotificationProvider and sent as an NotificationsChanged action with NotificationsChangedParams via ApplicationManger's Controller.
The NotificationProvider is responsible for creating and managing Notifications. Each Notification represents a unique
event and thus at most single object (of a respective type) can be stored in the provider. The provider's structure is shown on following diagram:
Model-View structure
NotificationsModel is responsible for creating and decorating NotificationListItems based on NotificationsChangedParams received.
The model serves also as a local provider for gui::ListView.
