// Token: 0x06008DA5 RID: 36261 RVA: 0x00259CB6 File Offset: 0x00257EB6
public Task(IDataBindEngineClient c, TaskOps o, DataBindEngine.Task previousForClient)
{
this.client = c;
this.op = o;
this.PreviousForClient = previousForClient;
this.status = DataBindEngine.Task.Status.Pending;
}
// Token: 0x060074B3 RID: 29875 RVA: 0x00216184 File Offset: 0x00214384
internal object Run(object arg)
{
bool flag = (bool)arg;
DataBindEngine.Task task = flag ? null : new DataBindEngine.Task(null, TaskOps.TransferValue, null);
DataBindEngine.Task task2 = task;
if (this._layoutElement != null)
{
this._layoutElement.LayoutUpdated -= this.OnLayoutUpdated;
this._layoutElement = null;
}
if (this.IsShutDown)
{
return(null);
}
DataBindEngine.Task next;
for (DataBindEngine.Task task3 = this._head.Next; task3 != null; task3 = next)
{
task3.PreviousForClient = null;
if (task3.status == DataBindEngine.Task.Status.Pending)
{
task3.Run(flag);
next = task3.Next;
if (task3.status == DataBindEngine.Task.Status.Retry && !flag)
{
task3.status = DataBindEngine.Task.Status.Pending;
task2.Next = task3;
task2 = task3;
task2.Next = null;
}
}
else
{
next = task3.Next;
}
}
this._head.Next = null;
this._tail = this._head;
this._mostRecentTask.Clear();
if (!flag)
{
DataBindEngine.Task head = this._head;
this._head = null;
for (DataBindEngine.Task next2 = task.Next; next2 != null; next2 = next2.Next)
{
this.AddTask(next2.client, next2.op);
}
this._head = head;
}
return(null);
}
// Token: 0x060074B1 RID: 29873 RVA: 0x002160D0 File Offset: 0x002142D0
internal void CancelTask(IDataBindEngineClient c, TaskOps op)
{
if (this._mostRecentTask == null)
{
return;
}
for (DataBindEngine.Task task = (DataBindEngine.Task) this._mostRecentTask[c]; task != null; task = task.PreviousForClient)
{
if (task.op == op && task.status == DataBindEngine.Task.Status.Pending)
{
task.status = DataBindEngine.Task.Status.Cancelled;
return;
}
}
}
// Token: 0x060074B2 RID: 29874 RVA: 0x00216120 File Offset: 0x00214320
internal void CancelTasks(IDataBindEngineClient c)
{
if (this._mostRecentTask == null)
{
return;
}
for (DataBindEngine.Task task = (DataBindEngine.Task) this._mostRecentTask[c]; task != null; task = task.PreviousForClient)
{
Invariant.Assert(task.client == c, "task list is corrupt");
if (task.status == DataBindEngine.Task.Status.Pending)
{
task.status = DataBindEngine.Task.Status.Cancelled;
}
}
this._mostRecentTask.Remove(c);
}
// Token: 0x060074B0 RID: 29872 RVA: 0x00216030 File Offset: 0x00214230
internal void AddTask(IDataBindEngineClient c, TaskOps op)
{
if (this._mostRecentTask == null)
{
return;
}
if (this._head == this._tail)
{
this.RequestRun();
}
DataBindEngine.Task previousForClient = (DataBindEngine.Task) this._mostRecentTask[c];
DataBindEngine.Task task = new DataBindEngine.Task(c, op, previousForClient);
this._tail.Next = task;
this._tail = task;
this._mostRecentTask[c] = task;
if (op == TaskOps.AttachToContext && this._layoutElement == null && (this._layoutElement = (c.TargetElement as UIElement)) != null)
{
this._layoutElement.LayoutUpdated += this.OnLayoutUpdated;
}
}