content: /*******************************************************************************
   * Copyright (c) 2017 Francisco Gonzalez-Armijo Riádigos
   *
   * 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.alium.nibo.mvp;
  
  import android.support.annotation.NonNull;
  
  import com.alium.nibo.mvp.contract.NiboViewable;
  import com.alium.nibo.mvp.contract.NiboPresentable;
  
  
  public class BaseNiboPresenter<T extends NiboViewable> implements NiboPresentable<T> {
  
      private T viewable;
  
      @Override
      public void onStart() {
          // No-op by default
      }
  
      @Override
      public void onViewCreated() {
          // No-op by default
      }
  
      @Override
      public void onResume() {
          // No-op by default
      }
  
      @Override
      public void onPause() {
          // No-op by default
      }
  
      @Override
      public void onStop() {
          // No-op by default
      }
  
      @Override
      public void attachView(@NonNull T viewable) {
          this.viewable = viewable;
      }
  
      @Override
      public void detachView() {
          this.viewable = null;
      }
  
      @Override
      public T getView() {
          return viewable;
      }
  
  
      @Override
      public boolean isViewAttached() {
          return viewable!=null;
      }
  
      @Override
      public void checkViewAttached() throws ViewNotAttachedException {
          if (!isViewAttached()) throw new ViewNotAttachedException();
      }
  
      @Override
      public void setGoogleAPIKey(String apiKey) {
  
      }
  
      public static class ViewNotAttachedException extends RuntimeException {
          public ViewNotAttachedException() {
              super("Call Presenter.attachView(BaseView) before asking for data");
          }
      }
  }
  