Java Code Examples for com.facebook.datasource.DataSource#isFinished()

@Override
public void onNewResultImpl(DataSource<CloseableReference<CloseableImage>> dataSource) {
  if (!dataSource.isFinished()) {
    return;
  }

  CloseableReference<CloseableImage> closeableImageRef = dataSource.getResult();
  Bitmap bitmap = null;
  if (closeableImageRef != null &&
      closeableImageRef.get() instanceof CloseableBitmap) {
    bitmap = ((CloseableBitmap) closeableImageRef.get()).getUnderlyingBitmap();
  }

  try {
    onNewResultImpl(bitmap);
  } finally {
    CloseableReference.closeSafely(closeableImageRef);
  }
}
 

@Override
public void onNewResult(
    FrescoState frescoState, DataSource<CloseableReference<CloseableImage>> dataSource) {
  if (dataSource != null && !dataSource.isClosed()) {
    final boolean shouldClose =
        mFrescoContext.getExperiments().closeDatasourceOnNewResult() && dataSource.isFinished();
    final CloseableReference<CloseableImage> result = dataSource.getResult();
    try {
      frescoState.setImageFetched(true);
      if (frescoState.isAttached()) {
        displayResultOrError(frescoState, result, false, dataSource);
      }
    } finally {
      CloseableReference.closeSafely(result);
      if (shouldClose) {
        dataSource.close();
      }
    }
  }
}
 

@Override
public void onNewResultImpl(@Nonnull DataSource<CloseableReference<CloseableImage>> dataSource) {
  if (!dataSource.isFinished()) {
    return;
  }

  CloseableReference<CloseableImage> closeableImageRef = dataSource.getResult();
  CloseableReference<Bitmap> bitmapReference = null;
  if (closeableImageRef != null && closeableImageRef.get() instanceof CloseableStaticBitmap) {
    bitmapReference =
        ((CloseableStaticBitmap) closeableImageRef.get()).cloneUnderlyingBitmapReference();
  }

  try {
    onNewResultImpl(bitmapReference);
  } finally {
    CloseableReference.closeSafely(bitmapReference);
    CloseableReference.closeSafely(closeableImageRef);
  }
}
 

@Override
public void onNewResultImpl(DataSource<CloseableReference<CloseableImage>> dataSource) {
  if (!dataSource.isFinished()) {
    return;
  }

  CloseableReference<CloseableImage> closeableImageRef = dataSource.getResult();
  Bitmap bitmap = null;
  if (closeableImageRef != null && closeableImageRef.get() instanceof CloseableBitmap) {
    bitmap = ((CloseableBitmap) closeableImageRef.get()).getUnderlyingBitmap();
  }

  try {
    onNewResultImpl(bitmap);
  } finally {
    CloseableReference.closeSafely(closeableImageRef);
  }
}
 

@Override
public void onNewResult(DataSource<CloseableReference<CloseableImage>> dataSource) {
    // isFinished() should be checked before calling onNewResultImpl(), otherwise
    // there would be a race condition: the final data source result might be ready before
    // we call isFinished() here, which would lead to the loss of the final result
    // (because of an early dataSource.close() call).
    final boolean shouldClose = dataSource.isFinished();
    try {
        onNewResultImpl(dataSource);
    } finally {
        if (shouldClose) {
           dataSource.close();
        }
    }
}
 

@Override
public void onNewResultImpl(DataSource<CloseableReference<CloseableImage>> dataSource) {
    if (!dataSource.isFinished()) {
        return;
    }

    CloseableReference<CloseableImage> closeableImageRef = dataSource.getResult();
    Bitmap bitmap = null;
    if (closeableImageRef != null &&
            closeableImageRef.get() instanceof CloseableBitmap) {
        bitmap = ((CloseableBitmap) closeableImageRef.get()).getUnderlyingBitmap();
    }


    if(bitmap!=null ){
        if(bitmap.isRecycled()){
            onFail(new Throwable("bitmap.isRecycled"));
        }else {
            onNewResultImpl(bitmap,dataSource);
        }
        return;
    }

    //如果bitmap为空
    Log.e("onNewResultImpl","finalUrl :"+finalUrl);
    File cacheFile  = ImageLoader.getActualLoader().getFileFromDiskCache(finalUrl);
    if(cacheFile ==null){
        onFail(new Throwable("file cache is null:"+finalUrl));
        return;
    }
    //还要判断文件是不是gif格式的
    if (!"gif".equalsIgnoreCase(MyUtil.getRealType(cacheFile))){
        onFail(new Throwable("file cache is not gif:"+finalUrl));
        return;
    }
    Bitmap bitmapGif = GifUtils.getBitmapFromGifFile(cacheFile);//拿到gif第一帧的bitmap
    if(width>0 && height >0) {
        bitmapGif = MyUtil.compressBitmap(bitmapGif, false, width, height);//将bitmap压缩到指定宽高。
    }

    if (bitmapGif != null) {
        onNewResultImpl(bitmapGif,dataSource);
    } else {
        onFail(new Throwable("can not create bitmap from gif file:"+cacheFile.getAbsolutePath()));
    }




   /* try {
        onNewResultImpl(bitmap);
    } finally {
        //CloseableReference.closeSafely(closeableImageRef);
    }*/
}
 

@Override
public void onNewResult(DataSource<CloseableReference<T>> dataSource) {
  if (dataSource.isFinished() && tryFinish()) {
    ListDataSource.this.onDataSourceFinished();
  }
}
 

protected int getProgress(DataSource<T> dataSource, T image) {
  // IMPORTANT: At the moment, GenericDraweeHierarchy hides progressbar only when progress
  // reaches 100. Once we implement more accurate estimate, we will have to explicitly specify
  // whether or not should the progressbar be visible.
  return dataSource.isFinished() ? 100 : 50;
}
 

@Override
public void onNewResult(DataSource<CloseableReference<T>> dataSource) {
  if (dataSource.isFinished() && tryFinish()) {
    ListDataSource.this.onDataSourceFinished();
  }
}