Added onDisposeAction to MviAbstractComponent

Author: Arkadii Ivanov

mvidroid/src/main/java/com/arkivanov/mvidroid/component/MviAbstractComponent.kt

@@ -16,7 +16,8 @@ import io.reactivex.disposables.CompositeDisposable
  */
 abstract class MviAbstractComponent<in UiEvent : Any, out States : Any> @MainThread constructor(
     private val stores: List<MviStoreBundle<*, UiEvent>>,
-    labels: Relay<Any>? = null
+    labels: Relay<Any>? = null,
+    private val onDisposeAction: (() -> Unit)? = null
 ) : MviComponent<UiEvent, States> {
 
     private val disposables = CompositeDisposable()
@@ -41,6 +42,7 @@ abstract class MviAbstractComponent<in UiEvent : Any, out States : Any> @MainThr
                 it.store.dispose()
             }
         }
+        onDisposeAction?.invoke()
     }
 
     override fun isDisposed(): Boolean {

mvidroid/src/test/java/com/arkivanov/mvidroid/component/MviAbstractComponentTest.kt

@@ -26,6 +26,13 @@ class MviAbstractComponentTest {
         assertTrue(component.isDisposed)
     }
 
+    @Test
+    fun `onDisposeAction is called WHEN component is disposed`() {
+        val onDisposeAction = mock<() -> Unit>()
+        TestComponent(onDisposeAction = onDisposeAction).dispose()
+        verify(onDisposeAction)()
+    }
+
     @Test
     fun `store is disposed WHEN not persistent AND component is disposed`() {
         TestComponent().dispose()
@@ -75,8 +82,13 @@ class MviAbstractComponentTest {
     private inner class TestComponent(
         eventTransformer: ((String) -> String?)? = null,
         labelTransformer: ((Any) -> String?)? = null,
-        isPersistent: Boolean = false
-    ) : MviAbstractComponent<String, String>(listOf(MviStoreBundle(store, eventTransformer, labelTransformer, isPersistent)), labels) {
+        isPersistent: Boolean = false,
+        onDisposeAction: (() -> Unit)? = null
+    ) : MviAbstractComponent<String, String>(
+        listOf(MviStoreBundle(store, eventTransformer, labelTransformer, isPersistent)),
+        labels,
+        onDisposeAction
+    ) {
         override val states: String
             get() = throw UnsupportedOperationException()
     }