protected override void Reprioritize(DispatcherOperation op, DispatcherPriority oldpriority)
{
int oldp = (int)oldpriority;
PokableQueue q = this.priorityQueues[oldp];
lock (q)
{
q.Remove(op);
}
this.Queue(op.Priority, op);
}
internal void Reprioritize(DispatcherOperation op, DispatcherPriority oldpriority)
{
int oldp = (int)oldpriority;
PokableQueue q = this.priorityQueues[oldp];
lock (q)
{
q.Remove(op);
}
this.Queue(op.Priority, op);
this.hooks.EmitOperationPriorityChanged(op);
}
private void Queue(DispatcherPriority priority, DispatcherOperation x)
{
int p = (int)priority;
PokableQueue q = this.priorityQueues[p];
lock (q)
{
int flag = 1 << p;
q.Enqueue(x);
this.queueBits |= flag;
}
this.hooks.EmitOperationPosted(x);
if (Thread.CurrentThread != this.baseThread)
{
PlatformInterface.Instance.Dispatcher.SendMessage();
}
}
private void Queue(DispatcherPriority priority, DispatcherOperation x)
{
int p = (int)priority;
PokableQueue q = this.priorityQueues[p];
lock (q)
{
int flag = 1 << p;
q.Enqueue(x);
this.queueBits |= flag;
}
if (Thread.CurrentThread != this.baseThread)
{
UnmanagedMethods.PostMessage(
IntPtr.Zero,
(int)UnmanagedMethods.WindowsMessage.WM_DISPATCH_WORK_ITEM,
IntPtr.Zero,
IntPtr.Zero);
}
}
private void RunFrame(DispatcherFrame frame)
{
do
{
while (this.queueBits != 0)
{
for (int i = TopPriority; i > 0 && this.queueBits != 0; i--)
{
int currentBit = this.queueBits & (1 << i);
if (currentBit != 0)
{
PokableQueue q = this.priorityQueues[i];
do
{
DispatcherOperation task;
lock (q)
{
task = (DispatcherOperation)q.Dequeue();
}
task.Invoke();
if (task.Status == DispatcherOperationStatus.Aborted)
{
this.hooks.EmitOperationAborted(task);
}
else
{
this.hooks.EmitOperationCompleted(task);
}
if (!frame.Continue)
{
return;
}
if (this.HasShutdownStarted)
{
this.PerformShutdown();
return;
}
lock (q)
{
if (q.Count == 0)
{
this.queueBits &= ~(1 << i);
break;
}
}
if (currentBit < (this.queueBits & ~currentBit))
{
break;
}
}while (true);
}
}
}
this.hooks.EmitInactive();
PlatformInterface.Instance.Dispatcher.ProcessMessage();
if (this.HasShutdownStarted)
{
this.PerformShutdown();
return;
}
}while (frame.Continue);
}
protected override void RunFrame(DispatcherFrame frame)
{
do
{
while (this.queueBits != 0)
{
for (int i = TopPriority; i > 0 && this.queueBits != 0; i--)
{
int currentBit = this.queueBits & (1 << i);
if (currentBit != 0)
{
PokableQueue q = this.priorityQueues[i];
do
{
DispatcherOperation task;
lock (q)
{
task = (DispatcherOperation)q.Dequeue();
}
task.Invoke();
if (!frame.Continue)
{
return;
}
if (this.HasShutdownStarted)
{
this.PerformShutdown();
return;
}
lock (q)
{
if (q.Count == 0)
{
this.queueBits &= ~(1 << i);
break;
}
}
if (currentBit < (this.queueBits & ~currentBit))
{
break;
}
}while (true);
}
}
}
UnmanagedMethods.MSG msg;
UnmanagedMethods.GetMessage(out msg, IntPtr.Zero, 0, 0);
UnmanagedMethods.TranslateMessage(ref msg);
UnmanagedMethods.DispatchMessage(ref msg);
if (this.HasShutdownStarted)
{
this.PerformShutdown();
return;
}
}while (frame.Continue);
}
