content: /*
   * Copyright (C) 2013 The Android Open Source Project
   *
   * 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.android.framesequence.samples;
  
  import android.app.Activity;
  import android.graphics.Bitmap;
  import android.os.Bundle;
  import android.support.rastermill.FrameSequence;
  import android.support.rastermill.FrameSequenceDrawable;
  import android.view.View;
  import android.widget.Toast;
  
  import java.io.InputStream;
  import java.util.HashSet;
  
  public class FrameSequenceTest extends Activity {
      FrameSequenceDrawable mDrawable;
      int mResourceId;
  
      // This provider is entirely unnecessary, just here to validate the acquire/release process
      private class CheckingProvider implements FrameSequenceDrawable.BitmapProvider {
          HashSet<Bitmap> mBitmaps = new HashSet<Bitmap>();
          @Override
          public Bitmap acquireBitmap(int minWidth, int minHeight) {
              Bitmap bitmap =
                      Bitmap.createBitmap(minWidth + 1, minHeight + 4, Bitmap.Config.ARGB_8888);
              mBitmaps.add(bitmap);
              return bitmap;
          }
  
          @Override
          public void releaseBitmap(Bitmap bitmap) {
              if (!mBitmaps.contains(bitmap)) throw new IllegalStateException();
              mBitmaps.remove(bitmap);
              bitmap.recycle();
          }
  
          public boolean isEmpty() {
              return mBitmaps.isEmpty();
          }
      }
  
      final CheckingProvider mProvider = new CheckingProvider();
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          mResourceId = getIntent().getIntExtra("resourceId", R.raw.animated_gif);
  
          setContentView(R.layout.basic_test_activity);
          findViewById(R.id.start).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mDrawable.start();
              }
          });
          findViewById(R.id.stop).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mDrawable.stop();
              }
          });
          findViewById(R.id.vis).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mDrawable.setVisible(true, true);
              }
          });
          findViewById(R.id.invis).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mDrawable.setVisible(false, true);
              }
          });
          findViewById(R.id.circle_mask).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  mDrawable.setCircleMaskEnabled(!mDrawable.getCircleMaskEnabled());
              }
          });
      }
  
      @Override
      protected void onResume() {
          super.onResume();
  
          View drawableView = findViewById(R.id.drawableview);
          InputStream is = getResources().openRawResource(mResourceId);
  
          FrameSequence fs = FrameSequence.decodeStream(is);
          mDrawable = new FrameSequenceDrawable(fs, mProvider);
          mDrawable.setOnFinishedListener(new FrameSequenceDrawable.OnFinishedListener() {
              @Override
              public void onFinished(FrameSequenceDrawable drawable) {
                  Toast.makeText(getApplicationContext(),
                          "The animation has finished", Toast.LENGTH_SHORT).show();
              }
          });
          drawableView.setBackgroundDrawable(mDrawable);
      }
  
      @Override
      protected void onPause() {
          super.onPause();
          View drawableView = findViewById(R.id.drawableview);
  
          mDrawable.destroy();
          if (!mProvider.isEmpty()) throw new IllegalStateException("All bitmaps not recycled");
  
          mDrawable = null;
          drawableView.setBackgroundDrawable(null);
      }
  }
  