From 34df5f7db686e34962dc2e268c58df0828814b10 Mon Sep 17 00:00:00 2001
From: Nicholas Corder <niccorder25@gmail.com>
Date: Sat, 7 Jan 2017 23:30:20 -0800
Subject: [PATCH] Add delegation for `onFailToRecycleView()`

Any child model has the ability to override `onFailToRecycleView()` to
proform any manual cleanup as necessay. (usually caused by animations)

Airbnb/epoxy#46
---
 .../src/main/java/com/airbnb/epoxy/EpoxyAdapter.java |  8 ++++++++
 .../src/main/java/com/airbnb/epoxy/EpoxyModel.java   | 12 ++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyAdapter.java b/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyAdapter.java
index 08ef730d01..2f5d4758bf 100755
--- a/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyAdapter.java
+++ b/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyAdapter.java
@@ -2,6 +2,7 @@
 package com.airbnb.epoxy;
 
 import android.os.Bundle;
+import android.support.annotation.CallSuper;
 import android.support.annotation.Nullable;
 import android.support.v7.widget.GridLayoutManager.SpanSizeLookup;
 import android.support.v7.widget.RecyclerView;
@@ -114,6 +115,7 @@ public int getItemCount() {
     return models.size();
   }
 
+
   public boolean isEmpty() {
     return models.isEmpty();
   }
@@ -166,6 +168,12 @@ protected void onModelBound(EpoxyViewHolder holder, EpoxyModel<?> model, int pos
 
   }
 
+  @CallSuper
+  @Override
+  public boolean onFailedToRecycleView(EpoxyViewHolder holder) {
+    return holder.getModel().onFailedToRecycleView();
+  }
+
   protected BoundViewHolders getBoundViewHolders() {
     return boundViewHolders;
   }
diff --git a/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyModel.java b/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyModel.java
index 02e76af95c..33f1ee2c51 100755
--- a/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyModel.java
+++ b/epoxy-adapter/src/main/java/com/airbnb/epoxy/EpoxyModel.java
@@ -1,7 +1,9 @@
 package com.airbnb.epoxy;
 
+import android.support.annotation.CallSuper;
 import android.support.annotation.LayoutRes;
 
+import android.support.v7.widget.RecyclerView;
 import java.util.List;
 
 /**
@@ -95,6 +97,16 @@ public final int getLayout() {
     return layout;
   }
 
+  /**
+   * Called when the view corresponding to this model failed to be recycled. This is left as a
+   * method stub since it is not always necessary to manually handle a failed recycle.
+   * @see EpoxyModel#onFailedToRecycleView()
+   */
+  @CallSuper
+  protected boolean onFailedToRecycleView() {
+    return false;
+  }
+
   /**
    * Sets fields of the model to default ones.
    */