pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/thirdparty/com/squareup/picasso/Action.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2013 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.picasso;
+
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import java.lang.ref.ReferenceQueue;
+import java.lang.ref.WeakReference;
+
+abstract class Action<T> {
+  static class RequestWeakReference<T> extends WeakReference<T> {
+    final Action action;
+
+    public RequestWeakReference(Action action, T referent, ReferenceQueue<? super T> q) {
+      super(referent, q);
+      this.action = action;
+    }
+  }
+
+  final Picasso picasso;
+  final Request data;
+  final WeakReference<T> target;
+  final boolean skipCache;
+  final boolean noFade;
+  final int errorResId;
+  final Drawable errorDrawable;
+  final String key;
+
+  boolean cancelled;
+
+  Action(Picasso picasso, T target, Request data, boolean skipCache, boolean noFade,
+      int errorResId, Drawable errorDrawable, String key) {
+    this.picasso = picasso;
+    this.data = data;
+    this.target = new RequestWeakReference<T>(this, target, picasso.referenceQueue);
+    this.skipCache = skipCache;
+    this.noFade = noFade;
+    this.errorResId = errorResId;
+    this.errorDrawable = errorDrawable;
+    this.key = key;
+  }
+
+  abstract void complete(Bitmap result, Picasso.LoadedFrom from);
+
+  abstract void error();
+
+  void cancel() {
+    cancelled = true;
+  }
+
+  Request getData() {
+    return data;
+  }
+
+  T getTarget() {
+    return target.get();
+  }
+
+  String getKey() {
+    return key;
+  }
+
+  boolean isCancelled() {
+    return cancelled;
+  }
+
+  Picasso getPicasso() {
+    return picasso;
+  }
+}