content: /*
   * Copyright (C) 2010 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 android.os;
  
  import com.android.layoutlib.bridge.impl.DelegateManager;
  import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
  import com.android.tools.layoutlib.java.System_Delegate;
  
  /**
   * Delegate implementing the native methods of android.os.SystemClock
   *
   * Through the layoutlib_create tool, the original native methods of SystemClock have been replaced
   * by calls to methods of the same name in this delegate class.
   *
   * Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager}
   * around to map int to instance of the delegate.
   *
   */
  public class SystemClock_Delegate {
      /**
       * Returns milliseconds since boot, not counting time spent in deep sleep.
       * <b>Note:</b> This value may get reset occasionally (before it would
       * otherwise wrap around).
       *
       * @return milliseconds of non-sleep uptime since boot.
       */
      @LayoutlibDelegate
      /*package*/ static long uptimeMillis() {
          return System_Delegate.currentTimeMillis() - System_Delegate.bootTimeMillis();
      }
  
      /**
       * Returns milliseconds since boot, including time spent in sleep.
       *
       * @return elapsed milliseconds since boot.
       */
      @LayoutlibDelegate
      /*package*/ static long elapsedRealtime() {
          return System_Delegate.currentTimeMillis() - System_Delegate.bootTimeMillis();
      }
  
      /**
       * Returns nanoseconds since boot, including time spent in sleep.
       *
       * @return elapsed nanoseconds since boot.
       */
      @LayoutlibDelegate
      /*package*/ static long elapsedRealtimeNanos() {
          return System_Delegate.nanoTime() - System_Delegate.bootTime();
      }
  
      /**
       * Returns milliseconds running in the current thread.
       *
       * @return elapsed milliseconds in the thread
       */
      @LayoutlibDelegate
      /*package*/ static long currentThreadTimeMillis() {
          return System_Delegate.currentTimeMillis();
      }
  
      /**
       * Returns microseconds running in the current thread.
       *
       * @return elapsed microseconds in the thread
       *
       * @hide
       */
      @LayoutlibDelegate
      /*package*/ static long currentThreadTimeMicro() {
          return System_Delegate.currentTimeMillis() * 1000;
      }
  
      /**
       * Returns current wall time in  microseconds.
       *
       * @return elapsed microseconds in wall time
       *
       * @hide
       */
      @LayoutlibDelegate
      /*package*/ static long currentTimeMicro() {
          return elapsedRealtime() * 1000;
      }
  }
  