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diff --git a/src/com/android/browser/provider/BrowserContract.java b/src/com/android/browser/provider/BrowserContract.java
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+/*
+ * 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 com.android.browser.provider;
+
+import android.accounts.Account;
+import android.content.ContentProviderClient;
+import android.content.ContentProviderOperation;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.RemoteException;
+import android.provider.SyncStateContract;
+import android.util.Pair;
+
+public class BrowserContract {
+    /** The authority for the browser provider */
+    public static final String AUTHORITY = "com.android.browser";
+
+    /** A content:// style uri to the authority for the browser provider */
+    public static final Uri AUTHORITY_URI = Uri.parse("content://" + AUTHORITY);
+
+    /**
+     * An optional insert, update or delete URI parameter that allows the caller
+     * to specify that it is a sync adapter. The default value is false. If true
+     * the dirty flag is not automatically set and the "syncToNetwork" parameter
+     * is set to false when calling
+     * {@link ContentResolver#notifyChange(android.net.Uri, android.database.ContentObserver, boolean)}.
+     */
+    public static final String CALLER_IS_SYNCADAPTER = "caller_is_syncadapter";
+
+    /**
+     * Generic columns for use by sync adapters. The specific functions of
+     * these columns are private to the sync adapter. Other clients of the API
+     * should not attempt to either read or write these columns.
+     */
+    interface BaseSyncColumns {
+        /** Generic column for use by sync adapters. */
+        public static final String SYNC1 = "sync1";
+        /** Generic column for use by sync adapters. */
+        public static final String SYNC2 = "sync2";
+        /** Generic column for use by sync adapters. */
+        public static final String SYNC3 = "sync3";
+        /** Generic column for use by sync adapters. */
+        public static final String SYNC4 = "sync4";
+        /** Generic column for use by sync adapters. */
+        public static final String SYNC5 = "sync5";
+    }
+
+    /**
+     * Columns that appear when each row of a table belongs to a specific
+     * account, including sync information that an account may need.
+     */
+    interface SyncColumns extends BaseSyncColumns {
+        /**
+         * The name of the account instance to which this row belongs, which when paired with
+         * {@link #ACCOUNT_TYPE} identifies a specific account.
+         * <P>Type: TEXT</P>
+         */
+        public static final String ACCOUNT_NAME = "account_name";
+
+        /**
+         * The type of account to which this row belongs, which when paired with
+         * {@link #ACCOUNT_NAME} identifies a specific account.
+         * <P>Type: TEXT</P>
+         */
+        public static final String ACCOUNT_TYPE = "account_type";
+
+        /**
+         * String that uniquely identifies this row to its source account.
+         * <P>Type: TEXT</P>
+         */
+        public static final String SOURCE_ID = "sourceid";
+
+        /**
+         * Version number that is updated whenever this row or its related data
+         * changes.
+         * <P>Type: INTEGER</P>
+         */
+        public static final String VERSION = "version";
+
+        /**
+         * Flag indicating that {@link #VERSION} has changed, and this row needs
+         * to be synchronized by its owning account.
+         * <P>Type: INTEGER (boolean)</P>
+         */
+        public static final String DIRTY = "dirty";
+    }
+
+    interface BookmarkColumns {
+        /**
+         * The unique ID for a row.
+         * <P>Type: INTEGER (long)</P>
+         */
+        public static final String _ID = "_id";
+
+        /**
+         * The URL of the bookmark.
+         * <P>Type: TEXT (URL)</P>
+         */
+        public static final String URL = "url";
+
+        /**
+         * The user visible title of the bookmark.
+         * <P>Type: TEXT</P>
+         */
+        public static final String TITLE = "title";
+
+        /**
+         * The favicon of the bookmark, may be NULL.
+         * Must decode via {@link BitmapFactory#decodeByteArray}.
+         * <p>Type: BLOB (image)</p>
+         */
+        public static final String FAVICON = "favicon";
+
+        /**
+         * A thumbnail of the page,may be NULL.
+         * Must decode via {@link BitmapFactory#decodeByteArray}.
+         * <p>Type: BLOB (image)</p>
+         */
+        public static final String THUMBNAIL = "thumbnail";
+
+        /**
+         * The touch icon for the web page, may be NULL.
+         * Must decode via {@link BitmapFactory#decodeByteArray}.
+         * <p>Type: BLOB (image)</p>
+         * @hide
+         */
+        public static final String TOUCH_ICON = "touch_icon";
+
+        /**
+         * @hide
+         */
+        public static final String USER_ENTERED = "user_entered";
+    }
+
+    /**
+     * The bookmarks table, which holds the user's browser bookmarks.
+     */
+    public static final class Bookmarks implements BookmarkColumns, SyncColumns {
+        /**
+         * This utility class cannot be instantiated.
+         */
+        private Bookmarks() {}
+
+        /**
+         * The content:// style URI for this table
+         */
+        public static final Uri CONTENT_URI = Uri.withAppendedPath(AUTHORITY_URI, "bookmarks");
+
+        /**
+         * The content:// style URI for the default folder
+         */
+        public static final Uri CONTENT_URI_DEFAULT_FOLDER =
+                Uri.withAppendedPath(CONTENT_URI, "folder");
+
+        /**
+         * Builds a URI that points to a specific folder.
+         * @param folderId the ID of the folder to point to
+         */
+        public static final Uri buildFolderUri(long folderId) {
+            return ContentUris.withAppendedId(CONTENT_URI_DEFAULT_FOLDER, folderId);
+        }
+
+        /**
+         * The MIME type of {@link #CONTENT_URI} providing a directory of bookmarks.
+         */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/bookmark";
+
+        /**
+         * The MIME type of a {@link #CONTENT_URI} of a single bookmark.
+         */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/bookmark";
+
+        /**
+         * Query parameter to use if you want to see deleted bookmarks that are still
+         * around on the device and haven't been synced yet.
+         * @see #IS_DELETED
+         */
+        public static final String QUERY_PARAMETER_SHOW_DELETED = "show_deleted";
+
+        /**
+         * Flag indicating if an item is a folder or bookmark. Non-zero values indicate
+         * a folder and zero indicates a bookmark.
+         * <P>Type: INTEGER (boolean)</P>
+         */
+        public static final String IS_FOLDER = "folder";
+
+        /**
+         * The ID of the parent folder. ID 0 is the root folder.
+         * <P>Type: INTEGER (reference to item in the same table)</P>
+         */
+        public static final String PARENT = "parent";
+
+        /**
+         * The position of the bookmark in relation to it's siblings that share the same
+         * {@link #PARENT}. May be negative.
+         * <P>Type: INTEGER</P>
+         */
+        public static final String POSITION = "position";
+
+        /**
+         * The item that the bookmark should be inserted after.
+         * May be negative.
+         * <P>Type: INTEGER</P>
+         */
+        public static final String INSERT_AFTER = "insert_after";
+
+        /**
+         * A flag to indicate if an item has been deleted. Queries will not return deleted
+         * entries unless you add the {@link #QUERY_PARAMETER_SHOW_DELETED} query paramter
+         * to the URI when performing your query.
+         * <p>Type: INTEGER (non-zero if the item has been deleted, zero if it hasn't)
+         * @see #QUERY_PARAMETER_SHOW_DELETED
+         */
+        public static final String IS_DELETED = "deleted";
+    }
+
+    /**
+     * The history table, which holds the browsing history.
+     */
+    public static final class History implements BookmarkColumns {
+        /**
+         * This utility class cannot be instantiated.
+         */
+        private History() {}
+
+        /**
+         * The content:// style URI for this table
+         */
+        public static final Uri CONTENT_URI = Uri.withAppendedPath(AUTHORITY_URI, "history");
+
+        /**
+         * The MIME type of {@link #CONTENT_URI} providing a directory of browser history items.
+         */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/browser-history";
+
+        /**
+         * The MIME type of a {@link #CONTENT_URI} of a single browser history item.
+         */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/browser-history";
+
+        /**
+         * The date the item was last visited, in milliseconds since the epoch.
+         * <p>Type: INTEGER (date in milliseconds since January 1, 1970)</p>
+         */
+        public static final String DATE_LAST_VISITED = "date";
+
+        /**
+         * The date the item created, in milliseconds since the epoch.
+         * <p>Type: NUMBER (date in milliseconds since January 1, 1970)</p>
+         */
+        public static final String DATE_CREATED = "created";
+
+        /**
+         * The number of times the item has been visited.
+         * <p>Type: INTEGER</p>
+         */
+        public static final String VISITS = "visits";
+    }
+
+    /**
+     * The search history table.
+     * @hide
+     */
+    public static final class Searches {
+        private Searches() {}
+
+        /**
+         * The content:// style URI for this table
+         */
+        public static final Uri CONTENT_URI = Uri.withAppendedPath(AUTHORITY_URI, "searches");
+
+        /**
+         * The MIME type of {@link #CONTENT_URI} providing a directory of browser search items.
+         */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/searches";
+
+        /**
+         * The MIME type of a {@link #CONTENT_URI} of a single browser search item.
+         */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/searches";
+
+        /**
+         * The unique ID for a row.
+         * <P>Type: INTEGER (long)</P>
+         */
+        public static final String _ID = "_id";
+
+        /**
+         * The user entered search term.
+         */
+        public static final String SEARCH = "search";
+
+        /**
+         * The date the search was performed, in milliseconds since the epoch.
+         * <p>Type: NUMBER (date in milliseconds since January 1, 1970)</p>
+         */
+        public static final String DATE = "date";
+    }
+
+    /**
+     * A table provided for sync adapters to use for storing private sync state data.
+     *
+     * @see SyncStateContract
+     */
+    public static final class SyncState implements SyncStateContract.Columns {
+        /**
+         * This utility class cannot be instantiated
+         */
+        private SyncState() {}
+
+        public static final String CONTENT_DIRECTORY =
+                SyncStateContract.Constants.CONTENT_DIRECTORY;
+
+        /**
+         * The content:// style URI for this table
+         */
+        public static final Uri CONTENT_URI =
+                Uri.withAppendedPath(AUTHORITY_URI, CONTENT_DIRECTORY);
+
+        /**
+         * @see android.provider.SyncStateContract.Helpers#get
+         */
+        public static byte[] get(ContentProviderClient provider, Account account)
+                throws RemoteException {
+            return SyncStateContract.Helpers.get(provider, CONTENT_URI, account);
+        }
+
+        /**
+         * @see android.provider.SyncStateContract.Helpers#get
+         */
+        public static Pair<Uri, byte[]> getWithUri(ContentProviderClient provider, Account account)
+                throws RemoteException {
+            return SyncStateContract.Helpers.getWithUri(provider, CONTENT_URI, account);
+        }
+
+        /**
+         * @see android.provider.SyncStateContract.Helpers#set
+         */
+        public static void set(ContentProviderClient provider, Account account, byte[] data)
+                throws RemoteException {
+            SyncStateContract.Helpers.set(provider, CONTENT_URI, account, data);
+        }
+
+        /**
+         * @see android.provider.SyncStateContract.Helpers#newSetOperation
+         */
+        public static ContentProviderOperation newSetOperation(Account account, byte[] data) {
+            return SyncStateContract.Helpers.newSetOperation(CONTENT_URI, account, data);
+        }
+    }
+}