예제 #1
0
 @Override
 public void onCancel() {
   if (DEBUG) {
     CLog.d(LOG_TAG, MSG_TASK_CANCEL, this, mImageTask);
   }
   mImageLoader.getImageProvider().cancelTask(mImageTask);
   mImageTask.onLoadTaskCancel();
   mImageLoader.mLoadWorkList.remove(mImageTask.getIdentityKey());
 }
예제 #2
0
    @Override
    public void onFinish(boolean canceled) {
      if (DEBUG) {
        CLog.d(LOG_TAG, MSG_TASK_FINISH, this, mImageTask, mImageLoader.mExitTasksEarly);
      }
      if (mImageLoader.mExitTasksEarly) {
        return;
      }

      if (!isCancelled() && !mImageLoader.mExitTasksEarly) {
        mImageTask.onLoadTaskFinish(mDrawable, mImageLoader.mImageLoadHandler);
      }

      mImageLoader.mLoadWorkList.remove(mImageTask.getIdentityKey());
    }
예제 #3
0
  /**
   * Add the ImageTask into loading list.
   *
   * @param imageTask
   * @param imageView
   */
  public void addImageTask(ImageTask imageTask, CubeImageView imageView) {
    if (!mHasBeenAddedToComponentManager) {
      CLog.w(LOG_TAG, "ImageLoader has not been add to a Component Manager.", this);
    }
    LoadImageTask runningTask = mLoadWorkList.get(imageTask.getIdentityKey());
    if (runningTask != null) {
      if (imageView != null) {
        if (DEBUG) {
          CLog.d(LOG_TAG, MSG_ATTACK_TO_RUNNING_TASK, imageTask, runningTask.getImageTask());
        }
        runningTask.getImageTask().addImageView(imageView);
        runningTask.getImageTask().notifyLoading(mImageLoadHandler, imageView);
      }
      return;
    } else {
      imageTask.addImageView(imageView);
    }

    imageTask.onLoading(mImageLoadHandler);

    LoadImageTask loadImageTask = createLoadImageTask(imageTask);
    mLoadWorkList.put(imageTask.getIdentityKey(), loadImageTask);
    mImageTaskExecutor.execute(loadImageTask);
  }
예제 #4
0
    @Override
    public void doInBackground() {
      if (DEBUG) {
        CLog.d(LOG_TAG, MSG_TASK_DO_IN_BACKGROUND, this, mImageTask);
      }

      if (mImageTask.getStatistics() != null) {
        mImageTask.getStatistics().s1_beginLoad();
      }
      Bitmap bitmap = null;
      // Wait here if work is paused and the task is not cancelled
      synchronized (mImageLoader.mPauseWorkLock) {
        while (mImageLoader.mPauseWork && !isCancelled()) {
          try {
            if (DEBUG) {
              CLog.d(LOG_TAG, MSG_TASK_WAITING, this, mImageTask);
            }
            mImageLoader.mPauseWorkLock.wait();
          } catch (InterruptedException e) {
          }
        }
      }

      // If this task has not been cancelled by another
      // thread and the ImageView that was originally bound to this task is still bound back
      // to this task and our "exit early" flag is not set then try and fetch the bitmap from
      // the cache
      if (!isCancelled()
          && !mImageLoader.mExitTasksEarly
          && (mImageTask.isPreLoad() || mImageTask.stillHasRelatedImageView())) {
        try {
          bitmap =
              mImageLoader.mImageProvider.fetchBitmapData(
                  mImageLoader, mImageTask, mImageLoader.mImageReSizer);
          if (DEBUG) {
            CLog.d(LOG_TAG, MSG_TASK_AFTER_fetchBitmapData, this, mImageTask, isCancelled());
          }
          mDrawable =
              mImageLoader.mImageProvider.createBitmapDrawable(mImageLoader.mResources, bitmap);
          mImageLoader.mImageProvider.addBitmapToMemCache(mImageTask.getIdentityKey(), mDrawable);
        } catch (Exception e) {
          e.printStackTrace();
        } catch (OutOfMemoryError e) {
          e.printStackTrace();
        }
      }
    }
예제 #5
0
 /**
  * Detach the ImageView from the ImageTask.
  *
  * @param imageTask
  * @param imageView
  */
 public void detachImageViewFromImageTask(ImageTask imageTask, CubeImageView imageView) {
   imageTask.removeImageView(imageView);
   if (imageTask.isLoading()) {
     if (!imageTask.isPreLoad() && !imageTask.stillHasRelatedImageView()) {
       LoadImageTask task = mLoadWorkList.get(imageTask.getIdentityKey());
       if (task != null) {
         task.cancel();
       }
       if (DEBUG) {
         CLog.d(LOG_TAG, "%s previous work is cancelled.", imageTask);
       }
     }
   }
   if (!imageTask.stillHasRelatedImageView()) {
     imageTask.tryToRecycle();
   }
 }