content: /*
   * Copyright 2017 Google Inc.
   *
   * 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.google.android.things.contrib.driver.button;
  
  import android.app.Activity;
  import android.os.Bundle;
  import android.util.Log;
  import android.view.KeyEvent;
  
  import com.google.android.things.contrib.driver.button.Button.LogicState;
  import com.google.android.things.pio.Gpio;
  
  import org.mockito.Mockito;
  
  import java.io.IOException;
  import java.util.concurrent.BlockingQueue;
  import java.util.concurrent.LinkedBlockingQueue;
  import java.util.concurrent.TimeUnit;
  
  public class ButtonTestActivity extends Activity {
  
      private static final String TAG = "ButtonTestActivity";
  
      public static final int KEYCODE = KeyEvent.KEYCODE_ENTER;
  
      private Gpio mGpio;
      private Button mButton;
      private ButtonInputDriver mInputDriver;
  
      private BlockingQueue<KeyEvent> mKeyDownEvents;
      private BlockingQueue<KeyEvent> mKeyUpEvents;
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          mGpio = Mockito.mock(Gpio.class);
          try {
              mButton = new Button(mGpio, LogicState.PRESSED_WHEN_HIGH);
          } catch (IOException e) {
              throw new RuntimeException("Failed to initialize Button", e);
          }
          mInputDriver = new ButtonInputDriver(mButton, KEYCODE);
          mInputDriver.register();
  
          mKeyDownEvents = new LinkedBlockingQueue<>();
          mKeyUpEvents = new LinkedBlockingQueue<>();
      }
  
      @Override
      protected void onDestroy() {
          super.onDestroy();
          try {
              mInputDriver.close();
          } catch (IOException e) {
              Log.e(TAG, "Error closing Button", e);
          }
      }
  
      void sendMockButtonEvent(boolean press) {
          mButton.performButtonEvent(press);
      }
  
      KeyEvent getNextKeyDownEvent() throws InterruptedException {
          return mKeyDownEvents.poll(1L, TimeUnit.SECONDS);
      }
  
      KeyEvent getNextKeyUpEvent() throws InterruptedException {
          return mKeyUpEvents.poll(1L, TimeUnit.SECONDS);
      }
  
      @Override
      public boolean onKeyDown(int keyCode, KeyEvent event) {
          mKeyDownEvents.offer(event);
          return super.onKeyDown(keyCode, event);
      }
  
      @Override
      public boolean onKeyUp(int keyCode, KeyEvent event) {
          mKeyUpEvents.offer(event);
          return super.onKeyUp(keyCode, event);
      }
  }
  