Merge Teanity into sources

app/src/main/java/com/topjohnwu/magisk/model/events/EventHandler.kt

@@ -0,0 +1,18 @@
+package com.topjohnwu.magisk.model.events
+
+internal interface EventHandler {
+
+    /**
+     * Called for all [ViewEvent]s published by associated viewModel.
+     * For [SimpleViewEvent]s, both this and [onSimpleEventDispatched]
+     * methods are called - you can choose the way how you handle them.
+     */
+    fun onEventDispatched(event: ViewEvent) {}
+
+    /**
+     * Called for all [SimpleViewEvent]s published by associated viewModel.
+     * Both this and [onEventDispatched] methods are called - you can choose
+     * the way how you handle them.
+     */
+    fun onSimpleEventDispatched(event: Int) {}
+}

app/src/main/java/com/topjohnwu/magisk/model/events/RxEvents.kt

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk.model.events
 
-import com.skoumal.teanity.rxbus.RxBus
+import com.topjohnwu.magisk.utils.RxBus
 import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.recycler.HideProcessRvItem
 import com.topjohnwu.magisk.model.entity.recycler.ModuleRvItem

app/src/main/java/com/topjohnwu/magisk/model/events/SimpleViewEvent.kt

@@ -0,0 +1,7 @@
+package com.topjohnwu.magisk.model.events
+
+import com.topjohnwu.magisk.model.events.ViewEvent
+
+class SimpleViewEvent(
+    val event: Int
+) : ViewEvent()

app/src/main/java/com/topjohnwu/magisk/model/events/SnackbarEvent.kt

@@ -0,0 +1,28 @@
+package com.topjohnwu.magisk.model.events
+
+import android.content.Context
+import androidx.annotation.StringRes
+import com.google.android.material.snackbar.Snackbar
+import com.topjohnwu.magisk.model.events.ViewEvent
+
+class SnackbarEvent private constructor(
+    @StringRes private val messageRes: Int,
+    private val messageString: String?,
+    val length: Int,
+    val f: Snackbar.() -> Unit
+) : ViewEvent() {
+
+    constructor(
+        @StringRes messageRes: Int,
+        length: Int = Snackbar.LENGTH_SHORT,
+        f: Snackbar.() -> Unit = {}
+    ) : this(messageRes, null, length, f)
+
+    constructor(
+        message: String,
+        length: Int = Snackbar.LENGTH_SHORT,
+        f: Snackbar.() -> Unit = {}
+    ) : this(-1, message, length, f)
+
+    fun message(context: Context): String = messageString ?: context.getString(messageRes)
+}

app/src/main/java/com/topjohnwu/magisk/model/events/ViewEventObserver.kt

@@ -0,0 +1,17 @@
+package com.topjohnwu.magisk.model.events
+
+import androidx.lifecycle.Observer
+
+/**
+ * Observer for [ViewEvent]s, which automatically checks if event was handled
+ */
+class ViewEventObserver(private val onEventUnhandled: (ViewEvent) -> Unit) : Observer<ViewEvent> {
+    override fun onChanged(event: ViewEvent?) {
+        event?.let {
+            if (!it.handled) {
+                it.handled = true
+                onEventUnhandled(it)
+            }
+        }
+    }
+}

app/src/main/java/com/topjohnwu/magisk/model/events/ViewEvents.kt

@@ -1,10 +1,19 @@
 package com.topjohnwu.magisk.model.events
 
 import android.app.Activity
-import com.skoumal.teanity.viewevents.ViewEvent
 import com.topjohnwu.magisk.model.entity.module.Repo
 import io.reactivex.subjects.PublishSubject
 
+/**
+ * Class for passing events from ViewModels to Activities/Fragments
+ * Variable [handled] used so each event is handled only once
+ * (see https://medium.com/google-developers/livedata-with-snackbar-navigation-and-other-events-the-singleliveevent-case-ac2622673150)
+ * Use [ViewEventObserver] for observing these events
+ */
+abstract class ViewEvent {
+
+    var handled = false
+}
 
 data class OpenLinkEvent(val url: String) : ViewEvent()
 
@@ -35,4 +44,4 @@ class PermissionEvent(
 
 class BackPressEvent : ViewEvent()
 
-class DieEvent : ViewEvent()
+class DieEvent : ViewEvent()