RemoteStateListDrawable.java

/*
 *  Copyright (c) 2012 Daniel Huckaby
 *
 *  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.handlerexploit.prime.drawable;

import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.StateListDrawable;

import com.handlerexploit.prime.utils.ImageManager;

/**
 * This is a very expensive way to create a StateListDrawable from a remote
 * image set. <b>I do not recommend this ever</b>. Although, if you have to do
 * it then this is going to be the best way to do it.</br></br> The basic api
 * for adding a remote image is
 * {@link RemoteStateListDrawable#addRemoteState(int[], String)}.
 */
public class RemoteStateListDrawable extends StateListDrawable {

    private ImageManager mImageManager;

    public RemoteStateListDrawable(Context context) {
        mImageManager = ImageManager.getInstance(context);
    }

    /**
     * Add a new image/string ID to the set of images.
     * 
     * </br></br>Make sure to call this off the UI Thread, because it is
     * synchronously receiving the image.
     * 
     * @param stateSet
     *            An array of resource Ids to associate with the image. Switch
     *            to this image by calling setState().
     * @param source
     *            The URL of a remote image
     */
    public void addRemoteState(int[] stateSet, String source) {
        addState(stateSet, new BitmapDrawable(mImageManager.get(source)));
    }
}