void LoadRegionsFromDisk( )
{
// first lock to make this synchronous
lock ( locker )
{
try
{
FileStream fileStream = new FileStream(CachedRegionsFileName, FileMode.Open);
BinaryReader binaryReader = new BinaryReader(fileStream);
// reset our region list
Regions = new List <TrackedRegion>( );
// read the number of cached regions
int regionCount = binaryReader.ReadInt32( );
for (int i = 0; i < regionCount; i++)
{
// read the region properties
string regionId = binaryReader.ReadString( );
double regionLatitude = binaryReader.ReadDouble( );
double regionLongitude = binaryReader.ReadDouble( );
float regionRadius = binaryReader.ReadSingle( );
// create the region
TrackedRegion region = new TrackedRegion(regionLatitude, regionLongitude, regionRadius, regionId, this);
// read the landmarks for this region
int landmarkCount = binaryReader.ReadInt32( );
for (int c = 0; c < landmarkCount; c++)
{
// read the landmark properties
string provider = binaryReader.ReadString( );
double latitude = binaryReader.ReadDouble( );
double longitude = binaryReader.ReadDouble( );
// add the landmark
region.AddLandmark(provider, latitude, longitude);
}
// add the region
Regions.Add(region);
}
// done
binaryReader.Close( );
fileStream.Close( );
}
catch
{
Rock.Mobile.Util.Debug.WriteToLog(string.Format("Failed to load regions from disk. Until the activity runs and feeds us some, we can't scan for anything."));
}
}
}
public bool AddLandmarkToRegion(string regionDescription, string description, double latitude, double longitude)
{
// make sure the user called 'BeginAddRegionsForTrack'
if (CommitState == RegionCommitState.QueuingRegions)
{
Rock.Mobile.Util.Debug.WriteToLog(string.Format("LocationManagerService::Adding Landmark {0} for Region {1}", description, regionDescription));
TrackedRegion region = PendingRegionsForAdd.Where(tr => tr.Region.RequestId == regionDescription).Single( );
if (region != null)
{
region.AddLandmark(description, latitude, longitude);
return(true);
}
}
return(false);
}
