content: /*
   * Copyright (c) 2013. wyouflf (wyouflf@gmail.com)
   *
   * 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.lidroid.xutils.bitmap.callback;
  
  import android.graphics.Bitmap;
  import android.graphics.drawable.BitmapDrawable;
  import android.graphics.drawable.Drawable;
  import android.view.View;
  import android.widget.ImageView;
  import com.lidroid.xutils.bitmap.BitmapDisplayConfig;
  
  public abstract class BitmapLoadCallBack<T extends View> {
  
      /**
       * Call back when start loading.
       *
       * @param container
       * @param uri
       * @param config
       */
      public void onPreLoad(T container, String uri, BitmapDisplayConfig config) {
      }
  
      /**
       * Call back when start loading.
       *
       * @param container
       * @param uri
       * @param config
       */
      public void onLoadStarted(T container, String uri, BitmapDisplayConfig config) {
      }
  
      /**
       * Call back when loading.
       *
       * @param container
       * @param uri
       * @param config
       * @param total
       * @param current
       */
      public void onLoading(T container, String uri, BitmapDisplayConfig config, long total, long current) {
      }
  
      /**
       * Call back when bitmap has loaded.
       *
       * @param container
       * @param uri
       * @param bitmap
       * @param config
       */
      public abstract void onLoadCompleted(T container, String uri, Bitmap bitmap, BitmapDisplayConfig config, BitmapLoadFrom from);
  
      /**
       * Call back when bitmap failed to load.
       *
       * @param container
       * @param uri
       * @param drawable
       */
      public abstract void onLoadFailed(T container, String uri, Drawable drawable);
  
      private BitmapSetter<T> bitmapSetter;
  
      public void setBitmapSetter(BitmapSetter<T> bitmapSetter) {
          this.bitmapSetter = bitmapSetter;
      }
  
      public void setBitmap(T container, Bitmap bitmap) {
          if (bitmapSetter != null) {
              bitmapSetter.setBitmap(container, bitmap);
          } else if (container instanceof ImageView) {
              ((ImageView) container).setImageBitmap(bitmap);
          } else {
              container.setBackgroundDrawable(new BitmapDrawable(container.getResources(), bitmap));
          }
      }
  
      public void setDrawable(T container, Drawable drawable) {
          if (bitmapSetter != null) {
              bitmapSetter.setDrawable(container, drawable);
          } else if (container instanceof ImageView) {
              ((ImageView) container).setImageDrawable(drawable);
          } else {
              container.setBackgroundDrawable(drawable);
          }
      }
  
      public Drawable getDrawable(T container) {
          if (bitmapSetter != null) {
              return bitmapSetter.getDrawable(container);
          } else if (container instanceof ImageView) {
              return ((ImageView) container).getDrawable();
          } else {
              return container.getBackground();
          }
      }
  }
  