content: /*
   * MIT License
   *
   * Copyright (c) 2018 Alibaba Group
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.tmall.wireless.tangram.support;
  
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import com.tmall.wireless.tangram.op.ClickExposureCellOp;
  import com.tmall.wireless.tangram.util.Preconditions;
  import io.reactivex.Observable;
  import io.reactivex.Observer;
  import io.reactivex.disposables.Disposable;
  import io.reactivex.internal.disposables.CancellableDisposable;
  
  /**
   * Created by longerian on 2018/3/7.
   *
   * @author longerian
   * @date 2018/03/07
   */
  
  public class CellExposureObservable extends Observable<ClickExposureCellOp> {
  
      private ClickExposureCellOp mRxClickExposureEvent;
  
      private ExposureDispose mExposureDispose;
  
      public CellExposureObservable(ClickExposureCellOp rxClickExposureEvent) {
          Preconditions.checkNotNull(rxClickExposureEvent);
          Preconditions.checkNotNull(rxClickExposureEvent.getArg1());
          this.mRxClickExposureEvent = rxClickExposureEvent;
      }
  
      public void setRxClickExposureEvent(ClickExposureCellOp rxClickExposureEvent) {
          mRxClickExposureEvent = rxClickExposureEvent;
      }
  
      @Override
      protected void subscribeActual(Observer<? super ClickExposureCellOp> observer) {
          if (mExposureDispose == null) {
              mExposureDispose = new ExposureDispose();
          }
          observer.onSubscribe(mExposureDispose);
          if (!mExposureDispose.isDisposed()) {
              observer.onNext(mRxClickExposureEvent);
          }
      }
  
      private static class ExposureDispose implements Disposable {
  
          private final AtomicBoolean unsubscribed = new AtomicBoolean();
  
          @Override
          public void dispose() {
              unsubscribed.compareAndSet(false, true);
          }
  
          @Override
          public boolean isDisposed() {
              return unsubscribed.get();
          }
      }
  
  
  }
  