content: /*
   * Copyright (C) 2011 Google Inc.
   * Licensed to 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.ex.photo.provider;
  
  import android.net.Uri;
  import android.provider.OpenableColumns;
  
  public final class PhotoContract {
      /** Columns for the view */
      public static interface PhotoViewColumns {
          /**
           * This column is a {@link Uri} that can be queried
           * for this individual image (resulting cursor has one single row for this image).
           */
          public static final String URI = "uri";
          /**
           * This column is a {@link String} that can be queried for this
           * individual image to return a displayable name.
           */
          public static final String NAME = OpenableColumns.DISPLAY_NAME;
          /**
           * This column is a {@link Uri} that points to the downloaded local file.
           * Can be null.
           */
          public static final String CONTENT_URI = "contentUri";
          /**
           * This column is a {@link Uri} that points to a thumbnail of the image
           * that ideally is a local file.
           * Can be null.
           */
          public static final String THUMBNAIL_URI = "thumbnailUri";
          /**
           * This string column is the MIME type.
           */
          public static final String CONTENT_TYPE = "contentType";
          /**
           * This boolean column indicates that a loading indicator should display permanently
           * if no image urls are provided.
           */
          public static final String LOADING_INDICATOR = "loadingIndicator";
      }
  
      public static interface PhotoQuery {
          /** Projection of the returned cursor */
          public final static String[] PROJECTION = {
              PhotoViewColumns.URI,
              PhotoViewColumns.NAME,
              PhotoViewColumns.CONTENT_URI,
              PhotoViewColumns.THUMBNAIL_URI,
              PhotoViewColumns.CONTENT_TYPE
          };
  
          public final static String[] OPTIONAL_COLUMNS = {
              PhotoViewColumns.LOADING_INDICATOR
          };
      }
  
      public static final class ContentTypeParameters {
          /**
           * Parameter used to specify which type of content to return.
           * Allows multiple types to be specified.
           */
          public static final String CONTENT_TYPE = "contentType";
  
          private ContentTypeParameters() {}
      }
  }
  