Merge "DataLoader statuses, explained." into rvc-dev am: 2f14c3a7

 * @hide

 */

oneway interface IDataLoaderStatusListener {

    /** Data loader status */

    /** When this status is returned from DataLoader, it means that the DataLoader

    *   process is running, bound to and has handled onCreate(). */

    const int DATA_LOADER_CREATED = 0;

    /** Listener will receive this status when the DataLoader process died,

    *   binder disconnected or class destroyed. */

    const int DATA_LOADER_DESTROYED = 1;

    /** DataLoader can receive missing pages and read pages notifications,

     *  and ready to provide data. */

    const int DATA_LOADER_STARTED = 2;

    /** DataLoader no longer ready to provide data and is not receiving

    *   any notifications from IncFS. */

    const int DATA_LOADER_STOPPED = 3;

    /** DataLoader streamed everything necessary to continue installation. */

    const int DATA_LOADER_IMAGE_READY = 4;

    /** Installation can't continue as DataLoader failed to stream necessary data. */

    const int DATA_LOADER_IMAGE_NOT_READY = 5;

    /** DataLoader reports that this instance is invalid and can never be restored.

    *   Warning: this is a terminal status that data loader should use carefully and

    *            the system should almost never use - e.g. only if all recovery attempts

    *            fail and all retry limits are exceeded. */

    const int DATA_LOADER_UNRECOVERABLE = 6;

    /** Data loader status callback */