public void Add (Job job)
{
lock (jobs) {
lock (job) {
if (jobs.Contains (job) || job.HasScheduler) {
throw new ArgumentException ("Job not schedulable", "job");
}
job.HasScheduler = true;
}
jobs.Add (job);
job.State = JobState.Scheduled;
job.Finished += OnJobFinished;
if (CanStart (job)) {
StartJob (job);
}
}
Action<Job> handler = JobAdded;
if (handler != null) {
handler (job);
}
}
public UserJobTile (Job job) : base (3, 2, false)
{
this.job = job;
this.job.Updated += OnJobUpdated;
BuildWidget ();
UpdateFromJob ();
}
private void RefreshVideos ()
{
CancelTasks ();
if (show_when_ready && !String.IsNullOrEmpty (Query)) {
refreshing = true;
yt_context_page.SetState (Banshee.ContextPane.ContextState.Loading);
refresh_videos_jobs = new RefreshVideosJob (this, Query);
scheduler.Add (refresh_videos_jobs);
}
}
private void RemoveJob(Job job)
{
if (!scheduler.HasAnyDataLossJobs) {
Respond (Gtk.ResponseType.Ok);
return;
}
if (ListView == null || ListView.Model == null) {
return;
}
for (int i = 0, n = ListView.Model.IterNChildren (); i < n; i++) {
TreeIter iter;
if (!ListView.Model.IterNthChild (out iter, i)) {
break;
}
if (ListView.Model.GetValue (iter, 1) == job) {
ThreadAssist.ProxyToMain (delegate {
(ListView.Model as ListStore).Remove (ref iter);
});
break;
}
}
}
private void AddJob(Job job)
{
if (job.Has (PriorityHints.DataLossIfStopped)) {
ThreadAssist.ProxyToMain (delegate {
TreeIter iter = (ListView.Model as ListStore).Prepend ();
(ListView.Model as ListStore).SetValue (iter, 0, job.Title);
(ListView.Model as ListStore).SetValue (iter, 1, job);
});
}
}
private void RemoveJob(Job job)
{
lock (this) {
if (job_tiles.ContainsKey (job)) {
ThreadAssist.AssertInMainThread ();
UserJobTile tile = job_tiles[job];
box.Remove (tile);
job_tiles.Remove (job);
job_start_times.Remove (job);
}
}
}
private void AddJob(Job job)
{
lock (this) {
if (job == null || job.IsFinished) {
return;
}
if ((job.DelayShow && job.Progress < 0.33) || !job.DelayShow) {
ThreadAssist.AssertInMainThread ();
UserJobTile tile = new UserJobTile (job);
job_tiles.Add (job, tile);
job_start_times.Add (job, DateTime.Now);
box.PackEnd (tile, Easing.QuadraticOut);
tile.Show ();
}
}
}
public void Pause (Job job)
{
lock (jobs) {
if (jobs.Contains (job)) {
if (job.Pause ()) {
// See if any scheduled jobs can now be started
Schedule ();
}
}
}
}
private void OnJobRemoved(Job job)
{
ThreadAssist.ProxyToMain (delegate {
lock (this) {
if (job_start_times.ContainsKey (job)) {
double ms_since_added = (DateTime.Now - job_start_times[job]).TotalMilliseconds;
if (ms_since_added < 1000) {
// To avoid user jobs flasing up and out, don't let any job be visible for less than 1 second
Banshee.ServiceStack.Application.RunTimeout ((uint) (1000 - ms_since_added), delegate {
RemoveJob (job);
return false;
});
return;
}
}
RemoveJob (job);
}
});
}
private void AddJob (Job job)
{
lock (jobs) {
if (job == null || (ShowOnlyBackgroundTasks && !job.IsBackground) || job.IsFinished) {
return;
}
jobs.Add (job);
job.Updated += OnJobUpdated;
}
ThreadAssist.ProxyToMain (Update);
}
private void RemoveJob (Job job)
{
lock (jobs) {
if (jobs.Contains (job)) {
job.Updated -= OnJobUpdated;
jobs.Remove (job);
}
}
ThreadAssist.ProxyToMain (Update);
}
private void PreemptJob (Job job)
{
job.Preempt ();
}
private IEnumerable<Job> ConflictingJobs (Job job)
{
if (job.Has (PriorityHints.SpeedSensitive)) {
// Preempt non-SpeedSensitive jobs that use the same Resource(s)
return jobs.Where (IsRunning)
.Without (PriorityHints.SpeedSensitive)
.SharingResourceWith (job);
} else if (!job.Has (PriorityHints.LongRunning)) {
// Preempt any LongRunning jobs that use the same Resource(s)
return jobs.Where (IsRunning)
.With (PriorityHints.LongRunning)
.SharingResourceWith (job);
}
return Enumerable.Empty<Job> ();
}
private void StartJob (Job job)
{
ConflictingJobs (job).ForEach (PreemptJob);
job.Start ();
}
private bool CanStartJob (Job job, bool pausedJob)
{
if (!job.IsScheduled && !(pausedJob && job.IsPaused))
return false;
if (job.Has (PriorityHints.SpeedSensitive))
return true;
// Run only one non-SpeedSensitive job that uses a given Resource
if (job.Has (PriorityHints.LongRunning))
return jobs.Where (IsRunning)
.SharingResourceWith (job)
.Any () == false;
// With the exception that non-LongRunning jobs will preempt LongRunning ones
return jobs.Where (IsRunning)
.Without (PriorityHints.LongRunning)
.SharingResourceWith (job)
.Any () == false;
}
private bool CanStart (Job job)
{
return CanStartJob (job, false);
}
private bool IsRunning (Job job)
{
return job.IsRunning;
}
public void Resume (Job job)
{
lock (jobs) {
if (jobs.Contains (job) && CanStartJob (job, true)) {
StartJob (job);
}
}
}
private void OnJobAdded (Job job)
{
AddJob (job);
}
public void Cancel (Job job)
{
lock (jobs) {
if (jobs.Contains (job)) {
// Cancel will call OnJobFinished which will call Schedule
job.Cancel ();
}
}
}
private void OnJobRemoved (Job job)
{
RemoveJob (job);
}
private void OnJobAdded(Job job)
{
if (job.IsBackground) {
return;
}
ThreadAssist.ProxyToMain (delegate {
if (job.DelayShow) {
// Give the Job 1 second to become more than 33% complete
Banshee.ServiceStack.Application.RunTimeout (1000, delegate {
AddJob (job);
return false;
});
} else {
AddJob (job);
}
});
}