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| 1 | +package japgolly.scalajs.react.internal |
| 2 | + |
| 3 | +import japgolly.scalajs.react.callback._ |
| 4 | +import japgolly.scalajs.react.{ReactEventTypes, Reusability, Reusable} |
| 5 | +import scala.annotation.nowarn |
| 6 | + |
| 7 | +@nowarn("cat=unused") |
| 8 | +trait ReactCallbackExtensions { |
| 9 | + import ReactCallbackExtensions._ |
| 10 | + |
| 11 | + @inline final implicit def ReactCallbackExtensionCallbackOptionObj(self: CallbackOption.type): CallbackOptionObjExt.type = |
| 12 | + CallbackOptionObjExt |
| 13 | + |
| 14 | + @inline final implicit def ReactCallbackExtensionCallbackOption[A](self: CallbackOption[A]): CallbackOptionExt[A] = |
| 15 | + new CallbackOptionExt(self.underlyingRepr) |
| 16 | + |
| 17 | + @inline final implicit def ReactCallbackExtensionCallbackTo[A](self: CallbackTo[A]): CallbackToExt[A] = |
| 18 | + new CallbackToExt(self.underlyingRepr) |
| 19 | + |
| 20 | + @inline final implicit def ReactCallbackExtensionReusable(self: Reusable.type): ReusableExt.type = |
| 21 | + ReusableExt |
| 22 | + |
| 23 | + @inline final implicit def ReactCallbackExtensionReusability(self: Reusability.type): ReusabilityExt.type = |
| 24 | + ReusabilityExt |
| 25 | +} |
| 26 | + |
| 27 | +object ReactCallbackExtensions { |
| 28 | + |
| 29 | + object Events extends ReactEventTypes |
| 30 | + import Events._ |
| 31 | + |
| 32 | + object CallbackOptionObjExt { |
| 33 | + import CallbackOption._ |
| 34 | + |
| 35 | + @inline def keyCodeSwitch[A](e : ReactKeyboardEvent, |
| 36 | + altKey : Boolean = false, |
| 37 | + ctrlKey : Boolean = false, |
| 38 | + metaKey : Boolean = false, |
| 39 | + shiftKey: Boolean = false) |
| 40 | + (switch : PartialFunction[Int, CallbackTo[A]]): CallbackOption[A] = |
| 41 | + keyEventSwitch(e, e.keyCode, altKey, ctrlKey, metaKey, shiftKey)(switch) |
| 42 | + |
| 43 | + def keyEventSwitch[A, B](e : ReactKeyboardEvent, |
| 44 | + a : A, |
| 45 | + altKey : Boolean = false, |
| 46 | + ctrlKey : Boolean = false, |
| 47 | + metaKey : Boolean = false, |
| 48 | + shiftKey: Boolean = false) |
| 49 | + (switch : PartialFunction[A, CallbackTo[B]]): CallbackOption[B] = |
| 50 | + option { |
| 51 | + EffectUtil.unsafeKeyEventSwitch(e, a, altKey = altKey, ctrlKey = ctrlKey, metaKey = metaKey, shiftKey = shiftKey)(switch) |
| 52 | + .map(_.runNow()) |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + final class CallbackOptionExt[A](private val _self: CallbackOption.UnderlyingRepr[A]) extends AnyVal { |
| 57 | + @inline private def self: CallbackOption[A] = |
| 58 | + new CallbackOption(_self) |
| 59 | + |
| 60 | + /** Wraps this so that: |
| 61 | + * |
| 62 | + * 1) It only executes if `e.defaultPrevented` is `false`. |
| 63 | + * 2) It sets `e.preventDefault` on successful completion. |
| 64 | + */ |
| 65 | + def asEventDefault(e: ReactEvent): CallbackOption[A] = |
| 66 | + (self <* e.preventDefaultCB.toCBO).unless(e.defaultPrevented) |
| 67 | + } |
| 68 | + |
| 69 | + final class CallbackToExt[A](private val _self: Trampoline[A]) extends AnyVal { |
| 70 | + @inline private def self: CallbackTo[A] = |
| 71 | + new CallbackTo(_self) |
| 72 | + |
| 73 | + /** Wraps this so that: |
| 74 | + * |
| 75 | + * 1) It only executes if `e.defaultPrevented` is `false`. |
| 76 | + * 2) It sets `e.preventDefault` on successful completion. |
| 77 | + */ |
| 78 | + def asEventDefault(e: ReactEvent): CallbackTo[Option[A]] = |
| 79 | + (self <* e.preventDefaultCB).unless(e.defaultPrevented) |
| 80 | + } |
| 81 | + |
| 82 | + object ReusableExt { |
| 83 | + import Reusable._ |
| 84 | + |
| 85 | + def callbackByRef[A](c: CallbackTo[A]): Reusable[CallbackTo[A]] = |
| 86 | + byRefIso(c)(_.underlyingRepr) |
| 87 | + |
| 88 | + def callbackOptionByRef[A](c: CallbackOption[A]): Reusable[CallbackOption[A]] = |
| 89 | + byRefIso(c)(_.underlyingRepr) |
| 90 | + |
| 91 | + lazy val emptyCallback: Reusable[Callback] = |
| 92 | + callbackByRef(Callback.empty) |
| 93 | + } |
| 94 | + |
| 95 | + object ReusabilityExt { |
| 96 | + import Reusability._ |
| 97 | + |
| 98 | + def callbackByRef[A]: Reusability[CallbackTo[A]] = |
| 99 | + by((_: CallbackTo[A]).underlyingRepr)(byRef) |
| 100 | + |
| 101 | + def callbackOptionByRef[A]: Reusability[CallbackOption[A]] = |
| 102 | + by((_: CallbackOption[A]).underlyingRepr)(byRef) |
| 103 | + |
| 104 | + implicit lazy val callbackSetIntervalResult: Reusability[Callback.SetIntervalResult] = |
| 105 | + byRef || by(_.handle) |
| 106 | + |
| 107 | + implicit lazy val callbackSetTimeoutResult: Reusability[Callback.SetTimeoutResult] = |
| 108 | + byRef || by(_.handle) |
| 109 | + } |
| 110 | + |
| 111 | +} |
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