content: /*
   * Copyright (C) 2009 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 com.android.layoutlib.bridge.android;
  
  import android.content.ContentResolver;
  import android.content.Context;
  import android.content.IContentProvider;
  import android.database.ContentObserver;
  import android.net.Uri;
  import android.os.Bundle;
  
  /**
   * A mock content resolver for the LayoutLib Bridge.
   * <p/>
   * It won't serve any actual data but it's good enough for all
   * the widgets which expect to have a content resolver available via
   * {@link BridgeContext#getContentResolver()}.
   */
  public class BridgeContentResolver extends ContentResolver {
  
      private BridgeContentProvider mProvider = null;
  
      public BridgeContentResolver(Context context) {
          super(context);
      }
  
      @Override
      public IContentProvider acquireProvider(Context c, String name) {
          if (mProvider == null) {
              mProvider = new BridgeContentProvider();
          }
  
          return mProvider;
      }
  
      @Override
      public IContentProvider acquireExistingProvider(Context c, String name) {
          if (mProvider == null) {
              mProvider = new BridgeContentProvider();
          }
  
          return mProvider;
      }
  
      @Override
      public boolean releaseProvider(IContentProvider icp) {
          // ignore
          return false;
      }
  
      @Override
      protected IContentProvider acquireUnstableProvider(Context c, String name) {
          return acquireProvider(c, name);
      }
  
      @Override
      public boolean releaseUnstableProvider(IContentProvider icp) {
          return releaseProvider(icp);
      }
  
      /** @hide */
      @Override
      public void unstableProviderDied(IContentProvider icp) {
      }
  
      /**
       * Stub for the layoutlib bridge content resolver.
       */
      @Override
      public void registerContentObserver(Uri uri, boolean notifyForDescendents,
              ContentObserver observer) {
          // pass
      }
  
      /**
       * Stub for the layoutlib bridge content resolver.
       */
      @Override
      public void unregisterContentObserver(ContentObserver observer) {
          // pass
      }
  
      /**
       * Stub for the layoutlib bridge content resolver.
       */
      @Override
      public void notifyChange(Uri uri, ContentObserver observer, boolean syncToNetwork) {
          // pass
      }
  
      /**
       * Stub for the layoutlib bridge content resolver.
       */
      @Override
      public void startSync(Uri uri, Bundle extras) {
          // pass
      }
  
      /**
       * Stub for the layoutlib bridge content resolver.
       */
      @Override
      public void cancelSync(Uri uri) {
          // pass
      }
  }
  