/// <summary>
/// Invoked when a contact has published his or her activity.
/// </summary>
/// <param name="jid">The JID of the XMPP entity that published the
/// activity information.</param>
/// <param name="item">The 'item' Xml element of the pubsub publish
/// event.</param>
private void onActivity(Jid jid, XmlElement item)
{
if (item == null || item["activity"] == null)
{
return;
}
var activityElement = item["activity"];
XmlElement temp = null;
GeneralActivity?activity = null;
if (activityElement.IsEmpty)
{
activity = GeneralActivity.Undefined;
}
else
{
// Look for a GeneralActivity value element.
foreach (var v in Enum.GetValues(typeof(GeneralActivity)))
{
string s = GeneralActivityToTagName((GeneralActivity)v);
if (activityElement[s] != null)
{
activity = (GeneralActivity)v;
temp = activityElement[s];
}
}
}
SpecificActivity specific = SpecificActivity.Other;
if (temp != null)
{
// Look for a SpecificActivity value element.
foreach (var v in Enum.GetValues(typeof(SpecificActivity)))
{
string s = SpecificActivityToTagName((SpecificActivity)v);
if (temp[s] != null)
{
specific = (SpecificActivity)v;
}
}
}
string text = activityElement["text"] != null ?
activityElement["text"].InnerText : null;
// Raise the 'ActivityChanged' event.
if (activity.HasValue)
{
ActivityChanged.Raise(this, new ActivityChangedEventArgs(jid,
activity.Value, specific, text));
}
}
protected void FireActivityChange(Activity activity, MvxActivityState state, object extras = null)
{
ActivityChanged?.Invoke(this, new MvxActivityEventArgs(activity, state, extras));
}
public override void OnReceive(global::Android.Content.Context context, Intent intent)
{
// this method is usually called on the UI thread and can crash the app if it throws an exception
try
{
if (intent == null)
{
throw new ArgumentNullException(nameof(intent));
}
if (intent.Action == AndroidAwarenessProbe.AWARENESS_PENDING_INTENT_ACTION)
{
FenceState fenceState = FenceState.Extract(intent);
if (fenceState == null)
{
SensusException.Report("Null awareness fence state.");
return;
}
// is this a location fence event?
if (fenceState.FenceKey == AndroidLocationFenceProbe.AWARENESS_EXITING_LOCATION_FENCE_KEY)
{
if (fenceState.CurrentState == FenceState.True)
{
LocationChanged?.Invoke(this, fenceState);
}
}
// otherwise, it should be an activity fence event.
else
{
string[] fenceKeyParts;
if (fenceState.FenceKey == null || (fenceKeyParts = fenceState.FenceKey.Split('.')).Length != 2)
{
SensusException.Report("Awareness fence key \"" + fenceState.FenceKey + "\" does not have two parts.");
return;
}
Activities activity;
if (!Enum.TryParse(fenceKeyParts[0], out activity))
{
SensusException.Report("Unrecognized awareness activity: " + fenceKeyParts[0]);
return;
}
ActivityPhase phase;
if (!Enum.TryParse(fenceKeyParts[1], out phase))
{
SensusException.Report("Unrecognized awareness activity phase: " + fenceKeyParts[1]);
return;
}
DateTimeOffset timestamp = new DateTimeOffset(1970, 1, 1, 0, 0, 0, new TimeSpan()).AddMilliseconds(fenceState.LastFenceUpdateTimeMillis);
if (fenceState.CurrentState == FenceState.True)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Active, ActivityConfidence.NotAvailable));
}
else if (fenceState.CurrentState == FenceState.False)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Inactive, ActivityConfidence.NotAvailable));
}
else if (fenceState.CurrentState == FenceState.Unknown)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Unknown, ActivityConfidence.NotAvailable));
}
else
{
SensusException.Report("Unrecognized fence state: " + fenceState.CurrentState);
}
}
}
}
catch (Exception ex)
{
SensusException.Report("Exception in Awareness broadcast receiver: " + ex.Message, ex);
}
}
public void Handle(ActivityChanged @event)
{
UpdateActivity(@event.ActivityId, @event.ActivityMode);
}
public override void OnReceive(global::Android.Content.Context context, Intent intent)
{
if (intent.Action == AndroidActivityProbe.AWARENESS_PENDING_INTENT_ACTION)
{
FenceState fenceState = FenceState.Extract(intent);
if (fenceState == null)
{
SensusException.Report("Null awareness fence state.");
return;
}
if (fenceState.FenceKey == AndroidActivityProbe.AWARENESS_EXITING_LOCATION_FENCE_KEY)
{
if (fenceState.CurrentState == FenceState.True)
{
LocationChanged?.Invoke(this, fenceState);
}
}
else
{
string[] fenceKeyParts;
if (fenceState.FenceKey == null || (fenceKeyParts = fenceState.FenceKey.Split('.')).Length != 2)
{
SensusException.Report("Awareness fence key \"" + fenceState.FenceKey + "\" does not have two parts.");
return;
}
Activities activity;
if (!Enum.TryParse(fenceKeyParts[0], out activity))
{
SensusException.Report("Unrecognized awareness activity: " + fenceKeyParts[0]);
return;
}
ActivityPhase phase;
if (!Enum.TryParse(fenceKeyParts[1], out phase))
{
SensusException.Report("Unrecognized awareness activity phase: " + fenceKeyParts[1]);
return;
}
DateTimeOffset timestamp = new DateTimeOffset(1970, 1, 1, 0, 0, 0, new TimeSpan()).AddMilliseconds(fenceState.LastFenceUpdateTimeMillis);
if (fenceState.CurrentState == FenceState.True)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Active));
}
else if (fenceState.CurrentState == FenceState.False)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Inactive));
}
else if (fenceState.CurrentState == FenceState.Unknown)
{
ActivityChanged?.Invoke(this, new ActivityDatum(timestamp, activity, phase, ActivityState.Unknown));
}
else
{
SensusException.Report("Unrecognized fence state: " + fenceState.CurrentState);
}
}
}
}
