PipelineDraweeControllerBuilder.java 文件源码

@Override
protected PipelineDraweeController obtainController() {
  DraweeController oldController = getOldController();
  PipelineDraweeController controller;
  if (oldController instanceof PipelineDraweeController) {
    controller = (PipelineDraweeController) oldController;
    controller.initialize(
        obtainDataSourceSupplier(),
        generateUniqueControllerId(),
        getCacheKey(),
        getCallerContext(),
        mCustomDrawableFactories);
  } else {
    controller = mPipelineDraweeControllerFactory.newController(
        obtainDataSourceSupplier(),
        generateUniqueControllerId(),
        getCacheKey(),
        getCallerContext(),
        mCustomDrawableFactories);
  }
  return controller;
}