/*
* 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;
import static com.squareup.picasso.Picasso.Priority;
abstract class Action<T> {
static class RequestWeakReference<M> extends WeakReference<M> {
final Action action;
public RequestWeakReference(Action action, M referent, ReferenceQueue<? super M> q) {
super(referent, q);
this.action = action;
}
}
final Picasso picasso;
final Request request;
final WeakReference<T> target;
final boolean noFade;
final int memoryPolicy;
final int networkPolicy;
final int errorResId;
final Drawable errorDrawable;
final String key;
final Object tag;
boolean willReplay;
boolean cancelled;
Action(Picasso picasso, T target, Request request, int memoryPolicy, int networkPolicy,
int errorResId, Drawable errorDrawable, String key, Object tag, boolean noFade) {
this.picasso = picasso;
this.request = request;
this.target =
target == null ? null : new RequestWeakReference<>(this, target, picasso.referenceQueue);
this.memoryPolicy = memoryPolicy;
this.networkPolicy = networkPolicy;
this.noFade = noFade;
this.errorResId = errorResId;
this.errorDrawable = errorDrawable;
this.key = key;
this.tag = (tag != null ? tag : this);
}
abstract void complete(Bitmap result, Picasso.LoadedFrom from);
abstract void error(Exception e);
void cancel() {
cancelled = true;
}
Request getRequest() {
return request;
}
T getTarget() {
return target == null ? null : target.get();
}
String getKey() {
return key;
}
boolean isCancelled() {
return cancelled;
}
boolean willReplay() {
return willReplay;
}
int getMemoryPolicy() {
return memoryPolicy;
}
int getNetworkPolicy() {
return networkPolicy;
}
Picasso getPicasso() {
return picasso;
}
Priority getPriority() {
return request.priority;
}
Object getTag() {
return tag;
}
}