public Ticker createTicker(TickerCallback onTick)
{
this._tickers = this._tickers ?? new HashSet<Ticker>();
var result = new _WidgetTicker<T>(onTick, this, debugLabel: "created by " + this);
this._tickers.Add(result);
return result;
}
public Ticker createTicker(TickerCallback onTick)
{
D.assert(() => {
if (this._ticker == null)
{
return(true);
}
throw new UIWidgetsError(
this.GetType() + " is a SingleTickerProviderStateMixin but multiple tickers were created.\n" +
"A SingleTickerProviderStateMixin can only be used as a TickerProvider once. If a " +
"State is used for multiple AnimationController objects, or if it is passed to other " +
"objects and those objects might use it more than one time in total, then instead of " +
"mixing in a SingleTickerProviderStateMixin, use a regular TickerProviderStateMixin."
);
});
Func <string> debugLabel = null;
D.assert(() => {
debugLabel = () => "created by " + this;
return(true);
});
this._ticker = new Ticker(onTick, debugLabel: debugLabel);
return(this._ticker);
}
internal _WidgetTicker(
TickerCallback onTick,
TickerProviderStateMixin<T> creator,
string debugLabel = null)
: base(onTick: onTick, debugLabel: debugLabel)
{
this._creator = creator;
}
internal _AutomaticWidgetTicker(
TickerCallback onTick,
AutomaticKeepAliveClientWithTickerProviderStateMixin <T> creator,
string debugLabel = null) :
base(onTick: onTick, debugLabel: debugLabel)
{
this._creator = creator;
}
public Ticker(TickerCallback onTick, Func <string> debugLabel = null)
{
D.assert(() => {
this._debugCreationStack = "skipped, use StackTraceUtility.ExtractStackTrace() if you need it"; // StackTraceUtility.ExtractStackTrace();
return(true);
});
this._onTick = onTick;
this.debugLabel = debugLabel;
}
public Ticker(TickerCallback onTick, string debugLabel = null)
{
D.assert(() => {
_debugCreationStack = StackTraceUtility.ExtractStackTrace();
return(true);
});
_onTick = onTick;
this.debugLabel = debugLabel;
}
public Ticker(TickerCallback onTick, string debugLabel = null)
{
D.assert(() => {
this._debugCreationStack = new StackTrace();
return(true);
});
this._onTick = onTick;
this.debugLabel = debugLabel;
}
public Ticker createTicker(TickerCallback onTick)
{
_tickers = _tickers ?? new HashSet <Ticker>();
var result = new _AutomaticWidgetTicker <T>(onTick, this,
debugLabel: foundation_.kDebugMode ? "created by " + this : null);
_tickers.Add(result);
return(result);
}
public Ticker createTicker(TickerCallback onTick)
{
this._tickers = this._tickers ?? new HashSet <Ticker>();
var debugLabel = "";
D.assert(() => {
debugLabel = "created by " + this;
return(true);
});
var result = new _AutomaticWidgetTicker <T>(onTick, this, debugLabel: debugLabel);
this._tickers.Add(result);
return(result);
}
public Ticker createTicker(TickerCallback onTick)
{
this._tickers = this._tickers ?? new HashSet <Ticker>();
Func <string> debugLabel = null;
D.assert(() => {
debugLabel = () => "created by " + this;
return(true);
});
var result = new _WidgetTicker <T>(onTick, this, debugLabel: debugLabel);
this._tickers.Add(result);
return(result);
}
public Ticker createTicker(TickerCallback onTick)
{
D.assert(() => {
if (_ticker == null)
{
return(true);
}
throw new UIWidgetsError(new List <DiagnosticsNode> {
new ErrorSummary($"{GetType()} is a SingleTickerProviderStateMixin but multiple tickers were created."),
new ErrorDescription("A SingleTickerProviderStateMixin can only be used as a TickerProvider once."),
new ErrorHint(
"If a State is used for multiple AnimationController objects, or if it is passed to other " +
"objects and those objects might use it more than one time in total, then instead of " +
"mixing in a SingleTickerProviderStateMixin, use a regular TickerProviderStateMixin."
)
});
});
_ticker = new Ticker(onTick, debugLabel: foundation_.kDebugMode ? $"created by {this}" : null);
return(_ticker);
}
public Ticker createTicker(TickerCallback onTick)
{
return(new Ticker(onTick: onTick, () => $"created by {this}"));
}
public Ticker createTicker(TickerCallback onTick)
{
Ticker _ticker = new Ticker(onTick, () => $"created by {this}");
return(_ticker);
}
public Ticker createTicker(TickerCallback onTick)
{
return(new Ticker(onTick));
}