static void _schedulePriorityAsyncCallback(ZoneCallback callback)
{
var state = _getState();
if (state._nextCallback == null)
{
_scheduleAsyncCallback(callback);
state._lastPriorityCallback = state._lastCallback;
return;
}
_AsyncCallbackEntry entry = new _AsyncCallbackEntry(callback);
if (state._lastPriorityCallback == null)
{
entry.next = state._nextCallback;
state._nextCallback = state._lastPriorityCallback = entry;
}
else
{
entry.next = state._lastPriorityCallback.next;
state._lastPriorityCallback.next = entry;
state._lastPriorityCallback = entry;
if (entry.next == null)
{
state._lastCallback = entry;
}
}
}
public ZoneCallback registerCallback(Zone zone, ZoneCallback f)
{
var implementation = _delegationTarget._registerCallback;
_Zone implZone = implementation.zone;
RegisterCallbackHandler handler = implementation.function;
return(handler(implZone, async_._parentDelegate(implZone), zone, f));
}
public override object run(ZoneCallback f)
{
if (ReferenceEquals(_current, async_._rootZone))
{
return(f());
}
return(async_._rootRun(null, null, this, f));
}
public void scheduleMicrotask(Zone zone, ZoneCallback f)
{
var implementation = _delegationTarget._scheduleMicrotask;
_Zone implZone = implementation.zone;
ScheduleMicrotaskHandler handler = implementation.function;
handler(implZone, async_._parentDelegate(implZone), zone, f);
}
public Timer createTimer(Zone zone, TimeSpan duration, ZoneCallback f)
{
var implementation = _delegationTarget._createTimer;
_Zone implZone = implementation.zone;
CreateTimerHandler handler = implementation.function;
return(handler(implZone, async_._parentDelegate(implZone), zone, duration, f));
}
public override object run(ZoneCallback f)
{
var implementation = _run;
ZoneDelegate parentDelegate = async_._parentDelegate(implementation.zone);
RunHandler handler = implementation.function;
return(handler(implementation.zone, parentDelegate, this, f));
}
public override ZoneCallback registerCallback(ZoneCallback callback)
{
var implementation = _registerCallback;
ZoneDelegate parentDelegate = async_._parentDelegate(implementation.zone);
RegisterCallbackHandler handler = implementation.function;
return(handler(implementation.zone, parentDelegate, this, callback));
}
internal static void _scheduleImmediate(ZoneCallback callback)
{
Isolate.ensureExists();
GCHandle callabackHandle = GCHandle.Alloc(callback);
UIMonoState_scheduleMicrotask(_scheduleMicrotask, (IntPtr)callabackHandle);
}
public override void scheduleMicrotask(ZoneCallback f)
{
var implementation = _scheduleMicrotask;
ZoneDelegate parentDelegate = async_._parentDelegate(implementation.zone);
ScheduleMicrotaskHandler handler = implementation.function;
handler(implementation.zone, parentDelegate, this, f);
}
public object run(Zone zone, ZoneCallback f)
{
var implementation = _delegationTarget._run;
_Zone implZone = implementation.zone;
RunHandler handler = implementation.function;
return(handler(implZone, async_._parentDelegate(implZone), zone, f));
}
public override Timer createTimer(TimeSpan duration, ZoneCallback f)
{
var implementation = _createTimer;
ZoneDelegate parentDelegate = async_._parentDelegate(implementation.zone);
CreateTimerHandler handler = implementation.function;
return(handler(implementation.zone, parentDelegate, this, duration, f));
}
public static Timer create(TimeSpan duration, ZoneCallback callback)
{
if (Zone.current == Zone.root)
{
return(Zone.current.createTimer(duration, callback));
}
return(Zone.current
.createTimer(duration, Zone.current.bindCallbackGuarded(callback)));
}
public override object runGuarded(ZoneCallback f)
{
try {
return(run(f));
}
catch (Exception e) {
handleUncaughtError(e);
return(null);
}
}
public override object runGuarded(ZoneCallback f)
{
try {
if (ReferenceEquals(async_._rootZone, _current))
{
return(f());
}
return(async_._rootRun(null, null, this, f));
}
catch (Exception e) {
handleUncaughtError(e);
return(null);
}
}
static void _scheduleAsyncCallback(ZoneCallback callback)
{
var state = _getState();
_AsyncCallbackEntry newEntry = new _AsyncCallbackEntry(callback);
if (state._nextCallback == null)
{
state._nextCallback = state._lastCallback = newEntry;
if (!state._isInCallbackLoop)
{
_AsyncRun._scheduleImmediate(_startMicrotaskLoop);
}
}
else
{
state._lastCallback.next = newEntry;
state._lastCallback = newEntry;
}
}
public static void scheduleMicrotask(ZoneCallback callback)
{
_Zone currentZone = (_Zone)Zone.current;
if (ReferenceEquals(_rootZone, currentZone))
{
// No need to bind the callback. We know that the root's scheduleMicrotask
// will be invoked in the root zone.
_rootScheduleMicrotask(null, null, _rootZone, callback);
return;
}
_ZoneFunction <ScheduleMicrotaskHandler> implementation = currentZone._scheduleMicrotask;
if (ReferenceEquals(_rootZone, implementation.zone) &&
_rootZone.inSameErrorZone(currentZone))
{
_rootScheduleMicrotask(
null, null, currentZone, currentZone.registerCallback(callback));
return;
}
Zone.current.scheduleMicrotask(Zone.current.bindCallbackGuarded(callback));
}
public override ZoneCallback bindCallbackGuarded(ZoneCallback f)
{
var registered = registerCallback(f);
return(() => runGuarded(registered));
}
public override ZoneCallback bindCallback(ZoneCallback f)
{
return(() => run(f));
}
public override ZoneCallback bindCallbackGuarded(ZoneCallback f)
{
return(() => runGuarded(f));
}
public abstract object run(ZoneCallback action);
public override void scheduleMicrotask(ZoneCallback f)
{
async_._rootScheduleMicrotask(null, null, this, f);
}
public abstract Timer createTimer(TimeSpan duration, ZoneCallback callback);
public abstract void scheduleMicrotask(ZoneCallback callback);
public abstract ZoneCallback bindCallbackGuarded(ZoneCallback callback);
public abstract ZoneCallback bindCallback(ZoneCallback callback);
internal _AsyncCallbackEntry(ZoneCallback callback)
{
this.callback = callback;
}
public abstract object runGuarded(ZoneCallback action);
public override ZoneCallback registerCallback(ZoneCallback f) => f;
public abstract ZoneCallback registerCallback(ZoneCallback callback);
public override Timer createTimer(TimeSpan duration, ZoneCallback f)
{
return(Timer._createTimer(duration, f));
}