content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * 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 androidx.test.espresso.base;
  
  import androidx.test.espresso.IdlingResource;
  
  /** An {@link IdlingResource} for testing that becomes idle on demand. */
  public class OnDemandIdlingResource implements IdlingResource {
    private final String name;
  
    private boolean isIdle = false;
    private ResourceCallback callback;
  
    public OnDemandIdlingResource(String name) {
      this.name = name;
    }
  
    @Override
    public void registerIdleTransitionCallback(ResourceCallback callback) {
      this.callback = callback;
    }
  
    @Override
    public boolean isIdleNow() {
      return isIdle;
    }
  
    @Override
    public String getName() {
      return name;
    }
  
    public void forceIdleNow() {
      isIdle = true;
      if (callback != null) {
        callback.onTransitionToIdle();
      }
    }
  
    public void reset() {
      isIdle = false;
    }
  
    @Override
    public String toString() {
      return "ODIR: " + name;
    }
  }
  