1 files changed, 52 insertions, 0 deletions
diff --git a/adapter/src/main/kotlin/ca/allanwang/kau/animators/BaseSlideAlphaAnimator.kt b/adapter/src/main/kotlin/ca/allanwang/kau/animators/BaseSlideAlphaAnimator.kt
new file mode 100644
index 0000000..a963358
--- /dev/null
+++ b/adapter/src/main/kotlin/ca/allanwang/kau/animators/BaseSlideAlphaAnimator.kt
@@ -0,0 +1,52 @@
+package ca.allanwang.kau.animators
+
+import android.support.v7.widget.RecyclerView
+import android.view.ViewPropertyAnimator
+
+/**
+ * Created by Allan Wang on 2017-06-27.
+ *
+ * Base for sliding animators
+ * item delay factor by default can be 0.125f
+ */
+abstract class BaseSlideAlphaAnimator(itemDelayFactor: Float) : BaseDelayAnimator(itemDelayFactor) {
+
+    override fun addAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
+        return super.addAnimation(holder).apply {
+            translationY(0f)
+            translationX(0f)
+            alpha(1f)
+        }
+    }
+
+    final override fun addAnimationCleanup(holder: RecyclerView.ViewHolder) {
+        with(holder.itemView) {
+            translationY = 0f
+            translationX = 0f
+            alpha = 1f
+        }
+    }
+
+    override fun getAddDelay(remove: Long, move: Long, change: Long): Long = 0
+
+    override fun getRemoveDelay(remove: Long, move: Long, change: Long): Long = 0
+
+    /**
+     * Partial removal animation
+     * As of now, all it does it change the alpha
+     * To have it slide, add onto it in a sub class
+     */
+    override fun removeAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
+        return super.addAnimation(holder).apply {
+            alpha(0f)
+        }
+    }
+
+    override final fun removeAnimationCleanup(holder: RecyclerView.ViewHolder) {
+        with(holder.itemView) {
+            translationY = 0f
+            translationX = 0f
+            alpha = 1f
+        }
+    }
+}
+\ No newline at end of file