content: /*
   * Copyright (C) 2006 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.view;
  
  import android.annotation.UnsupportedAppUsage;
  
  /**
   * An instance of this class represents a connection to the surface
   * flinger, from which you can create one or more Surface instances that will
   * be composited to the screen.
   * {@hide}
   */
  public final class SurfaceSession {
      // Note: This field is accessed by native code.
      @UnsupportedAppUsage
      private long mNativeClient; // SurfaceComposerClient*
  
      private static native long nativeCreate();
      private static native void nativeDestroy(long ptr);
      private static native void nativeKill(long ptr);
  
      /** Create a new connection with the surface flinger. */
      @UnsupportedAppUsage
      public SurfaceSession() {
          mNativeClient = nativeCreate();
      }
  
      /* no user serviceable parts here ... */
      @Override
      protected void finalize() throws Throwable {
          try {
              if (mNativeClient != 0) {
                  nativeDestroy(mNativeClient);
              }
          } finally {
              super.finalize();
          }
      }
  
      /**
       * Forcibly detach native resources associated with this object.
       * Unlike destroy(), after this call any surfaces that were created
       * from the session will no longer work.
       */
      @UnsupportedAppUsage
      public void kill() {
          nativeKill(mNativeClient);
      }
  }
  
  