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Generic way of handling tap events

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This commit is contained in:
Lukas Klingsbo
2020-12-04 00:12:10 +01:00
committed by renancaraujo
parent add2a4fdc8
commit ddaa8b296e
1 changed files with 10 additions and 34 deletions
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44
lib/components/mixins/tapable.dart
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@ -50,17 +50,14 @@ mixin Tapable on BaseComponent {
}
mixin HasTapableComponents on BaseGame {
@mustCallSuper
void onTapCancel(int pointerId) {
void _handleTapEvent(bool Function(Tapable child) tapEventHandler) {
for (Component c in components.toList().reversed) {
bool shouldContinue = true;
if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>(
(child) => child.handleTapCancel(pointerId),
);
shouldContinue = c.propagateToChildren<Tapable>(tapEventHandler);
}
if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapCancel(pointerId);
shouldContinue = tapEventHandler(c);
}
if (!shouldContinue) {
break;
@ -68,39 +65,18 @@ mixin HasTapableComponents on BaseGame {
}
}
@mustCallSuper
void onTapCancel(int pointerId) {
_handleTapEvent((Tapable child) => child.handleTapCancel(pointerId));
}
@mustCallSuper
void onTapDown(int pointerId, TapDownDetails details) {
for (Component c in components.toList().reversed) {
bool shouldContinue = true;
if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>(
(child) => child.handleTapDown(pointerId, details),
);
}
if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapDown(pointerId, details);
}
if (!shouldContinue) {
break;
}
}
_handleTapEvent((Tapable child) => child.handleTapDown(pointerId, details));
}
@mustCallSuper
void onTapUp(int pointerId, TapUpDetails details) {
for (Component c in components.toList().reversed) {
bool shouldContinue = true;
if (c is BaseComponent) {
shouldContinue = c.propagateToChildren<Tapable>(
(child) => child.handleTapUp(pointerId, details),
);
}
if (c is Tapable && shouldContinue) {
shouldContinue = c.handleTapUp(pointerId, details);
}
if (!shouldContinue) {
break;
}
}
_handleTapEvent((Tapable child) => child.handleTapUp(pointerId, details));
}
}