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gecko/mobile/android/base/db/BrowserProvider.java.in

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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#filter substitution
package @ANDROID_PACKAGE_NAME@.db;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.lang.Class;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Iterator;
import java.util.Map;
import java.util.Random;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import org.mozilla.gecko.GeckoBackgroundThread;
import org.mozilla.gecko.GeckoProfile;
import org.mozilla.gecko.R;
import org.mozilla.gecko.db.BrowserContract.Bookmarks;
import org.mozilla.gecko.db.BrowserContract.Combined;
import org.mozilla.gecko.db.BrowserContract.CommonColumns;
import org.mozilla.gecko.db.BrowserContract.Control;
import org.mozilla.gecko.db.BrowserContract.History;
import org.mozilla.gecko.db.BrowserContract.Images;
import org.mozilla.gecko.db.BrowserContract.Schema;
import org.mozilla.gecko.db.BrowserContract.SyncColumns;
import org.mozilla.gecko.db.BrowserContract.URLColumns;
import org.mozilla.gecko.db.BrowserContract;
import org.mozilla.gecko.db.DBUtils;
import org.mozilla.gecko.ProfileMigrator;
import org.mozilla.gecko.sync.Utils;
import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.ContentProviderResult;
import android.content.ContentProviderOperation;
import android.content.OperationApplicationException;
import android.content.Context;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.DatabaseUtils;
import android.database.MatrixCursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteQueryBuilder;
import android.graphics.BitmapFactory;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;
import android.util.Log;
public class BrowserProvider extends ContentProvider {
private static final String LOGTAG = "GeckoBrowserProvider";
private Context mContext;
static final String DATABASE_NAME = "browser.db";
static final int DATABASE_VERSION = 8;
// Maximum age of deleted records to be cleaned up (20 days in ms)
static final long MAX_AGE_OF_DELETED_RECORDS = 86400000 * 20;
// Number of records marked as deleted to be removed
static final long DELETED_RECORDS_PURGE_LIMIT = 5;
// How many records to reposition in a single query.
// This should be less than the SQLite maximum number of query variables
// (currently 999) divided by the number of variables used per positioning
// query (currently 3).
static final int MAX_POSITION_UPDATES_PER_QUERY = 100;
static final String TABLE_BOOKMARKS = "bookmarks";
static final String TABLE_HISTORY = "history";
static final String TABLE_IMAGES = "images";
static final String TABLE_BOOKMARKS_TMP = TABLE_BOOKMARKS + "_tmp";
static final String TABLE_HISTORY_TMP = TABLE_HISTORY + "_tmp";
static final String TABLE_IMAGES_TMP = TABLE_IMAGES + "_tmp";
static final String VIEW_BOOKMARKS_WITH_IMAGES = "bookmarks_with_images";
static final String VIEW_HISTORY_WITH_IMAGES = "history_with_images";
static final String VIEW_COMBINED_WITH_IMAGES = "combined_with_images";
// Bookmark matches
static final int BOOKMARKS = 100;
static final int BOOKMARKS_ID = 101;
static final int BOOKMARKS_FOLDER_ID = 102;
static final int BOOKMARKS_PARENT = 103;
static final int BOOKMARKS_POSITIONS = 104;
// History matches
static final int HISTORY = 200;
static final int HISTORY_ID = 201;
// Image matches
static final int IMAGES = 300;
static final int IMAGES_ID = 301;
// Schema matches
static final int SCHEMA = 400;
// Combined bookmarks and history matches
static final int COMBINED = 500;
// Control matches
static final int CONTROL = 600;
static final String DEFAULT_BOOKMARKS_SORT_ORDER = Bookmarks.TYPE
+ " ASC, " + Bookmarks.POSITION + " ASC, " + Bookmarks._ID
+ " ASC";
static final String DEFAULT_HISTORY_SORT_ORDER = History.DATE_LAST_VISITED + " DESC";
static final String TABLE_BOOKMARKS_JOIN_IMAGES = TABLE_BOOKMARKS + " LEFT OUTER JOIN " +
TABLE_IMAGES + " ON " + qualifyColumn(TABLE_BOOKMARKS, Bookmarks.URL) + " = " +
qualifyColumn(TABLE_IMAGES, Images.URL);
static final String TABLE_HISTORY_JOIN_IMAGES = TABLE_HISTORY + " LEFT OUTER JOIN " +
TABLE_IMAGES + " ON " + qualifyColumn(TABLE_HISTORY, History.URL) + " = " +
qualifyColumn(TABLE_IMAGES, Images.URL);
static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
static final Map<String, String> BOOKMARKS_PROJECTION_MAP;
static final Map<String, String> HISTORY_PROJECTION_MAP;
static final Map<String, String> IMAGES_PROJECTION_MAP;
static final Map<String, String> COMBINED_PROJECTION_MAP;
static final Map<String, String> SCHEMA_PROJECTION_MAP;
static {
// We will reuse this.
HashMap<String, String> map;
// Bookmarks
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "bookmarks", BOOKMARKS);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "bookmarks/#", BOOKMARKS_ID);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "bookmarks/parents", BOOKMARKS_PARENT);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "bookmarks/positions", BOOKMARKS_POSITIONS);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "bookmarks/folder/#", BOOKMARKS_FOLDER_ID);
map = new HashMap<String, String>();
map.put(Bookmarks._ID, Bookmarks._ID);
map.put(Bookmarks.TITLE, Bookmarks.TITLE);
map.put(Bookmarks.URL, Bookmarks.URL);
map.put(Bookmarks.FAVICON, Bookmarks.FAVICON);
map.put(Bookmarks.THUMBNAIL, Bookmarks.THUMBNAIL);
map.put(Bookmarks.TYPE, Bookmarks.TYPE);
map.put(Bookmarks.PARENT, Bookmarks.PARENT);
map.put(Bookmarks.POSITION, Bookmarks.POSITION);
map.put(Bookmarks.TAGS, Bookmarks.TAGS);
map.put(Bookmarks.DESCRIPTION, Bookmarks.DESCRIPTION);
map.put(Bookmarks.KEYWORD, Bookmarks.KEYWORD);
map.put(Bookmarks.DATE_CREATED, Bookmarks.DATE_CREATED);
map.put(Bookmarks.DATE_MODIFIED, Bookmarks.DATE_MODIFIED);
map.put(Bookmarks.GUID, Bookmarks.GUID);
map.put(Bookmarks.IS_DELETED, Bookmarks.IS_DELETED);
BOOKMARKS_PROJECTION_MAP = Collections.unmodifiableMap(map);
// History
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "history", HISTORY);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "history/#", HISTORY_ID);
map = new HashMap<String, String>();
map.put(History._ID, History._ID);
map.put(History.TITLE, History.TITLE);
map.put(History.URL, History.URL);
map.put(History.FAVICON, History.FAVICON);
map.put(History.THUMBNAIL, History.THUMBNAIL);
map.put(History.VISITS, History.VISITS);
map.put(History.DATE_LAST_VISITED, History.DATE_LAST_VISITED);
map.put(History.DATE_CREATED, History.DATE_CREATED);
map.put(History.DATE_MODIFIED, History.DATE_MODIFIED);
map.put(History.GUID, History.GUID);
map.put(History.IS_DELETED, History.IS_DELETED);
HISTORY_PROJECTION_MAP = Collections.unmodifiableMap(map);
// Images
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "images", IMAGES);
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "images/#", IMAGES_ID);
map = new HashMap<String, String>();
map.put(Images._ID, Images._ID);
map.put(Images.URL, Images.URL);
map.put(Images.FAVICON, Images.FAVICON);
map.put(Images.FAVICON_URL, Images.FAVICON_URL);
map.put(Images.THUMBNAIL, Images.THUMBNAIL);
map.put(Images.DATE_CREATED, Images.DATE_CREATED);
map.put(Images.DATE_MODIFIED, Images.DATE_MODIFIED);
map.put(Images.GUID, Images.GUID);
map.put(Images.IS_DELETED, Images.IS_DELETED);
IMAGES_PROJECTION_MAP = Collections.unmodifiableMap(map);
// Combined bookmarks and history
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "combined", COMBINED);
map = new HashMap<String, String>();
map.put(Combined._ID, Combined._ID);
map.put(Combined.BOOKMARK_ID, Combined.BOOKMARK_ID);
map.put(Combined.HISTORY_ID, Combined.HISTORY_ID);
map.put(Combined.URL, Combined.URL);
map.put(Combined.TITLE, Combined.TITLE);
map.put(Combined.VISITS, Combined.VISITS);
map.put(Combined.DATE_LAST_VISITED, Combined.DATE_LAST_VISITED);
map.put(Combined.FAVICON, Combined.FAVICON);
map.put(Combined.THUMBNAIL, Combined.THUMBNAIL);
COMBINED_PROJECTION_MAP = Collections.unmodifiableMap(map);
// Schema
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "schema", SCHEMA);
map = new HashMap<String, String>();
map.put(Schema.VERSION, Schema.VERSION);
SCHEMA_PROJECTION_MAP = Collections.unmodifiableMap(map);
// Control
URI_MATCHER.addURI(BrowserContract.AUTHORITY, "control", CONTROL);
}
private HashMap<String, DatabaseHelper> mDatabasePerProfile;
private interface BookmarkMigrator {
public void updateForNewTable(ContentValues bookmark);
}
private class BookmarkMigrator3to4 implements BookmarkMigrator {
public void updateForNewTable(ContentValues bookmark) {
Integer isFolder = bookmark.getAsInteger("folder");
if (isFolder == null || isFolder != 1) {
bookmark.put(Bookmarks.TYPE, Bookmarks.TYPE_BOOKMARK);
} else {
bookmark.put(Bookmarks.TYPE, Bookmarks.TYPE_FOLDER);
}
bookmark.remove("folder");
}
}
static final String qualifyColumn(String table, String column) {
return table + "." + column;
}
private static boolean hasImagesInProjection(String[] projection) {
if (projection == null) return true;
for (int i = 0; i < projection.length; ++i) {
if (projection[i].equals(Images.FAVICON) ||
projection[i].equals(Images.THUMBNAIL))
return true;
}
return false;
}
// Calculate these once, at initialization. isLoggable is too expensive to
// have in-line in each log call.
private static boolean logDebug = Log.isLoggable(LOGTAG, Log.DEBUG);
private static boolean logVerbose = Log.isLoggable(LOGTAG, Log.VERBOSE);
protected static void trace(String message) {
if (logVerbose) {
Log.v(LOGTAG, message);
}
}
protected static void debug(String message) {
if (logDebug) {
Log.d(LOGTAG, message);
}
}
final class DatabaseHelper extends SQLiteOpenHelper {
public DatabaseHelper(Context context, String databasePath) {
super(context, databasePath, null, DATABASE_VERSION);
}
private void createBookmarksTable(SQLiteDatabase db) {
debug("Creating " + TABLE_BOOKMARKS + " table");
// Android versions older than Froyo ship with an sqlite
// that doesn't support foreign keys.
String foreignKeyOnParent = null;
if (Build.VERSION.SDK_INT >= 8) {
foreignKeyOnParent = ", FOREIGN KEY (" + Bookmarks.PARENT +
") REFERENCES " + TABLE_BOOKMARKS + "(" + Bookmarks._ID + ")";
}
db.execSQL("CREATE TABLE " + TABLE_BOOKMARKS + "(" +
Bookmarks._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
Bookmarks.TITLE + " TEXT," +
Bookmarks.URL + " TEXT," +
Bookmarks.TYPE + " INTEGER NOT NULL DEFAULT " + Bookmarks.TYPE_BOOKMARK + "," +
Bookmarks.PARENT + " INTEGER," +
Bookmarks.POSITION + " INTEGER NOT NULL," +
Bookmarks.KEYWORD + " TEXT," +
Bookmarks.DESCRIPTION + " TEXT," +
Bookmarks.TAGS + " TEXT," +
Bookmarks.DATE_CREATED + " INTEGER," +
Bookmarks.DATE_MODIFIED + " INTEGER," +
Bookmarks.GUID + " TEXT NOT NULL," +
Bookmarks.IS_DELETED + " INTEGER NOT NULL DEFAULT 0" +
(foreignKeyOnParent != null ? foreignKeyOnParent : "") +
");");
db.execSQL("CREATE INDEX bookmarks_url_index ON " + TABLE_BOOKMARKS + "("
+ Bookmarks.URL + ")");
db.execSQL("CREATE UNIQUE INDEX bookmarks_guid_index ON " + TABLE_BOOKMARKS + "("
+ Bookmarks.GUID + ")");
db.execSQL("CREATE INDEX bookmarks_modified_index ON " + TABLE_BOOKMARKS + "("
+ Bookmarks.DATE_MODIFIED + ")");
}
private void createHistoryTable(SQLiteDatabase db) {
debug("Creating " + TABLE_HISTORY + " table");
db.execSQL("CREATE TABLE " + TABLE_HISTORY + "(" +
History._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
History.TITLE + " TEXT," +
History.URL + " TEXT NOT NULL," +
History.VISITS + " INTEGER NOT NULL DEFAULT 0," +
History.DATE_LAST_VISITED + " INTEGER," +
History.DATE_CREATED + " INTEGER," +
History.DATE_MODIFIED + " INTEGER," +
History.GUID + " TEXT NOT NULL," +
History.IS_DELETED + " INTEGER NOT NULL DEFAULT 0" +
");");
db.execSQL("CREATE INDEX history_url_index ON " + TABLE_HISTORY + "("
+ History.URL + ")");
db.execSQL("CREATE UNIQUE INDEX history_guid_index ON " + TABLE_HISTORY + "("
+ History.GUID + ")");
db.execSQL("CREATE INDEX history_modified_index ON " + TABLE_HISTORY + "("
+ History.DATE_MODIFIED + ")");
db.execSQL("CREATE INDEX history_visited_index ON " + TABLE_HISTORY + "("
+ History.DATE_LAST_VISITED + ")");
}
private void createImagesTable(SQLiteDatabase db) {
debug("Creating " + TABLE_IMAGES + " table");
db.execSQL("CREATE TABLE " + TABLE_IMAGES + " (" +
Images._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," +
Images.URL + " TEXT UNIQUE NOT NULL," +
Images.FAVICON + " BLOB," +
Images.FAVICON_URL + " TEXT," +
Images.THUMBNAIL + " BLOB," +
Images.DATE_CREATED + " INTEGER," +
Images.DATE_MODIFIED + " INTEGER," +
Images.GUID + " TEXT NOT NULL," +
Images.IS_DELETED + " INTEGER NOT NULL DEFAULT 0" +
");");
db.execSQL("CREATE INDEX images_url_index ON " + TABLE_IMAGES + "("
+ Images.URL + ")");
db.execSQL("CREATE UNIQUE INDEX images_guid_index ON " + TABLE_IMAGES + "("
+ Images.GUID + ")");
db.execSQL("CREATE INDEX images_modified_index ON " + TABLE_IMAGES + "("
+ Images.DATE_MODIFIED + ")");
}
private void createBookmarksWithImagesView(SQLiteDatabase db) {
debug("Creating " + VIEW_BOOKMARKS_WITH_IMAGES + " view");
db.execSQL("CREATE VIEW IF NOT EXISTS " + VIEW_BOOKMARKS_WITH_IMAGES + " AS " +
"SELECT " + qualifyColumn(TABLE_BOOKMARKS, "*") +
", " + Images.FAVICON + ", " + Images.THUMBNAIL + " FROM " +
TABLE_BOOKMARKS_JOIN_IMAGES);
}
private void createHistoryWithImagesView(SQLiteDatabase db) {
debug("Creating " + VIEW_HISTORY_WITH_IMAGES + " view");
db.execSQL("CREATE VIEW IF NOT EXISTS " + VIEW_HISTORY_WITH_IMAGES + " AS " +
"SELECT " + qualifyColumn(TABLE_HISTORY, "*") +
", " + Images.FAVICON + ", " + Images.THUMBNAIL + " FROM " +
TABLE_HISTORY_JOIN_IMAGES);
}
private void createCombinedWithImagesView(SQLiteDatabase db) {
debug("Creating " + VIEW_COMBINED_WITH_IMAGES + " view");
db.execSQL("CREATE VIEW IF NOT EXISTS " + VIEW_COMBINED_WITH_IMAGES + " AS" +
" SELECT " + Combined.BOOKMARK_ID + ", " +
Combined.HISTORY_ID + ", " +
// We need to return an _id column because CursorAdapter requires it for its
// default implementation for the getItemId() method. However, since
// we're not using this feature in the parts of the UI using this view,
// we can just use 0 for all rows.
"0 AS " + Combined._ID + ", " +
Combined.URL + ", " +
Combined.TITLE + ", " +
Combined.VISITS + ", " +
Combined.DATE_LAST_VISITED + ", " +
qualifyColumn(TABLE_IMAGES, Images.FAVICON) + " AS " + Combined.FAVICON + ", " +
qualifyColumn(TABLE_IMAGES, Images.THUMBNAIL) + " AS " + Combined.THUMBNAIL +
" FROM (" +
// Bookmarks without history.
" SELECT " + qualifyColumn(TABLE_BOOKMARKS, Bookmarks._ID) + " AS " + Combined.BOOKMARK_ID + ", " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.URL) + " AS " + Combined.URL + ", " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.TITLE) + " AS " + Combined.TITLE + ", " +
"-1 AS " + Combined.HISTORY_ID + ", " +
"-1 AS " + Combined.VISITS + ", " +
"-1 AS " + Combined.DATE_LAST_VISITED +
" FROM " + TABLE_BOOKMARKS +
" WHERE " + qualifyColumn(TABLE_BOOKMARKS, Bookmarks.TYPE) + " = " + Bookmarks.TYPE_BOOKMARK + " AND " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.IS_DELETED) + " = 0 AND " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.URL) +
" NOT IN (SELECT " + History.URL + " FROM " + TABLE_HISTORY + ")" +
" UNION ALL" +
// History with and without bookmark.
" SELECT " + qualifyColumn(TABLE_BOOKMARKS, Bookmarks._ID) + " AS " + Combined.BOOKMARK_ID + ", " +
qualifyColumn(TABLE_HISTORY, History.URL) + " AS " + Combined.URL + ", " +
// Prioritze bookmark titles over history titles, since the user may have
// customized the title for a bookmark.
"COALESCE(" + qualifyColumn(TABLE_BOOKMARKS, Bookmarks.TITLE) + ", " +
qualifyColumn(TABLE_HISTORY, History.TITLE) +")" + " AS " + Combined.TITLE + ", " +
qualifyColumn(TABLE_HISTORY, History._ID) + " AS " + Combined.HISTORY_ID + ", " +
qualifyColumn(TABLE_HISTORY, History.VISITS) + " AS " + Combined.VISITS + ", " +
qualifyColumn(TABLE_HISTORY, History.DATE_LAST_VISITED) + " AS " + Combined.DATE_LAST_VISITED +
" FROM " + TABLE_HISTORY + " LEFT OUTER JOIN " + TABLE_BOOKMARKS +
" ON " + qualifyColumn(TABLE_BOOKMARKS, Bookmarks.URL) + " = " + qualifyColumn(TABLE_HISTORY, History.URL) +
" WHERE " + qualifyColumn(TABLE_HISTORY, History.URL) + " IS NOT NULL AND " +
qualifyColumn(TABLE_HISTORY, History.IS_DELETED) + " = 0 AND (" +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.TYPE) + " IS NULL OR " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.TYPE) + " = " + Bookmarks.TYPE_BOOKMARK + ")" +
") LEFT OUTER JOIN " + TABLE_IMAGES +
" ON " + Combined.URL + " = " + qualifyColumn(TABLE_IMAGES, Images.URL));
}
@Override
public void onCreate(SQLiteDatabase db) {
debug("Creating browser.db: " + db.getPath());
createBookmarksTable(db);
createHistoryTable(db);
createImagesTable(db);
createBookmarksWithImagesView(db);
createHistoryWithImagesView(db);
createCombinedWithImagesView(db);
createOrUpdateSpecialFolder(db, Bookmarks.PLACES_FOLDER_GUID,
R.string.bookmarks_folder_places, 0);
createOrUpdateAllSpecialFolders(db);
createDefaultBookmarks(db, "^bookmarkdefaults_title_");
}
private void createDefaultBookmarks(SQLiteDatabase db, String pattern) {
Class<?> stringsClass = R.string.class;
Field[] fields = stringsClass.getFields();
Pattern p = Pattern.compile(pattern);
ContentValues bookmarksValues = new ContentValues();
bookmarksValues.put(Bookmarks.PARENT, guidToID(db, Bookmarks.MOBILE_FOLDER_GUID));
long now = System.currentTimeMillis();
bookmarksValues.put(Bookmarks.DATE_CREATED, now);
bookmarksValues.put(Bookmarks.DATE_MODIFIED, now);
int pos = 1;
for (int i = 0; i < fields.length; i++) {
String name = fields[i].getName();
Matcher m = p.matcher(name);
if (!m.find())
continue;
try {
int titleid = fields[i].getInt(null);
String title = mContext.getString(titleid);
Field urlField = stringsClass.getField(name.replace("_title_", "_url_"));
int urlId = urlField.getInt(null);
String url = mContext.getString(urlId);
bookmarksValues.put(Bookmarks.TITLE, title);
bookmarksValues.put(Bookmarks.URL, url);
bookmarksValues.put(Bookmarks.GUID, Utils.generateGuid());
bookmarksValues.put(Bookmarks.POSITION, pos);
db.insertOrThrow(TABLE_BOOKMARKS, Bookmarks.TITLE, bookmarksValues);
setDefaultFavicon(db, name, url);
pos++;
} catch (java.lang.IllegalAccessException ex) {
Log.e(LOGTAG, "Can't create bookmark " + name, ex);
} catch (java.lang.NoSuchFieldException ex) {
Log.e(LOGTAG, "Can't create bookmark " + name, ex);
}
}
}
private void setDefaultFavicon(SQLiteDatabase db, String name, String url) {
Class<?> drawablesClass = R.drawable.class;
ByteArrayOutputStream stream = null;
try {
// Look for a drawable with the id R.drawable.bookmarkdefaults_favicon_*
Field faviconField = drawablesClass.getField(name.replace("_title_", "_favicon_"));
if (faviconField == null)
return;
int faviconId = faviconField.getInt(null);
Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(), faviconId);
stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
} catch (java.lang.IllegalAccessException ex) {
Log.e(LOGTAG, "Can't create favicon " + name, ex);
} catch (java.lang.NoSuchFieldException ex) {
// if there is no such field, create the bookmark without a favicon
Log.d(LOGTAG, "Can't create favicon " + name);
}
if (stream != null) {
ContentValues values = new ContentValues();
values.put(Images.FAVICON, stream.toByteArray());
values.put(Images.URL, url);
values.put(Images.IS_DELETED, 0);
values.put(Images.GUID, Utils.generateGuid());
db.insertOrThrow(TABLE_IMAGES, Images.URL, values);
}
}
private void createOrUpdateAllSpecialFolders(SQLiteDatabase db) {
createOrUpdateSpecialFolder(db, Bookmarks.MOBILE_FOLDER_GUID,
R.string.bookmarks_folder_mobile, 0);
createOrUpdateSpecialFolder(db, Bookmarks.TOOLBAR_FOLDER_GUID,
R.string.bookmarks_folder_toolbar, 1);
createOrUpdateSpecialFolder(db, Bookmarks.MENU_FOLDER_GUID,
R.string.bookmarks_folder_menu, 2);
createOrUpdateSpecialFolder(db, Bookmarks.TAGS_FOLDER_GUID,
R.string.bookmarks_folder_tags, 3);
createOrUpdateSpecialFolder(db, Bookmarks.UNFILED_FOLDER_GUID,
R.string.bookmarks_folder_unfiled, 4);
}
private void createOrUpdateSpecialFolder(SQLiteDatabase db,
String guid, int titleId, int position) {
ContentValues values = new ContentValues();
values.put(Bookmarks.GUID, guid);
values.put(Bookmarks.TYPE, Bookmarks.TYPE_FOLDER);
values.put(Bookmarks.POSITION, position);
if (guid.equals(Bookmarks.PLACES_FOLDER_GUID))
values.put(Bookmarks._ID, Bookmarks.FIXED_ROOT_ID);
// Set the parent to 0, which sync assumes is the root
values.put(Bookmarks.PARENT, Bookmarks.FIXED_ROOT_ID);
String title = mContext.getResources().getString(titleId);
values.put(Bookmarks.TITLE, title);
long now = System.currentTimeMillis();
values.put(Bookmarks.DATE_CREATED, now);
values.put(Bookmarks.DATE_MODIFIED, now);
int updated = db.update(TABLE_BOOKMARKS, values,
Bookmarks.GUID + " = ?",
new String[] { guid });
if (updated == 0) {
db.insert(TABLE_BOOKMARKS, Bookmarks.GUID, values);
debug("Inserted special folder: " + guid);
} else {
debug("Updated special folder: " + guid);
}
}
private boolean isSpecialFolder(ContentValues values) {
String guid = values.getAsString(Bookmarks.GUID);
if (guid == null)
return false;
return guid.equals(Bookmarks.MOBILE_FOLDER_GUID) ||
guid.equals(Bookmarks.MENU_FOLDER_GUID) ||
guid.equals(Bookmarks.TOOLBAR_FOLDER_GUID) ||
guid.equals(Bookmarks.UNFILED_FOLDER_GUID) ||
guid.equals(Bookmarks.TAGS_FOLDER_GUID);
}
private void migrateBookmarkFolder(SQLiteDatabase db, int folderId,
BookmarkMigrator migrator) {
Cursor c = null;
debug("Migrating bookmark folder with id = " + folderId);
String selection = Bookmarks.PARENT + " = " + folderId;
String[] selectionArgs = null;
boolean isRootFolder = (folderId == Bookmarks.FIXED_ROOT_ID);
// If we're loading the root folder, we have to account for
// any previously created special folder that was created without
// setting a parent id (e.g. mobile folder) and making sure we're
// not adding any infinite recursion as root's parent is root itself.
if (isRootFolder) {
selection = Bookmarks.GUID + " != ?" + " AND (" +
selection + " OR " + Bookmarks.PARENT + " = NULL)";
selectionArgs = new String[] { Bookmarks.PLACES_FOLDER_GUID };
}
List<Integer> subFolders = new ArrayList<Integer>();
List<ContentValues> invalidSpecialEntries = new ArrayList<ContentValues>();
try {
c = db.query(TABLE_BOOKMARKS_TMP,
null,
selection,
selectionArgs,
null, null, null);
// The key point here is that bookmarks should be added in
// parent order to avoid any problems with the foreign key
// in Bookmarks.PARENT.
while (c.moveToNext()) {
ContentValues values = new ContentValues();
// We're using a null projection in the query which
// means we're getting all columns from the table.
// It's safe to simply transform the row into the
// values to be inserted on the new table.
DatabaseUtils.cursorRowToContentValues(c, values);
boolean isSpecialFolder = isSpecialFolder(values);
// The mobile folder used to be created with PARENT = NULL.
// We want fix that here.
if (values.getAsLong(Bookmarks.PARENT) == null && isSpecialFolder)
values.put(Bookmarks.PARENT, Bookmarks.FIXED_ROOT_ID);
if (isRootFolder && !isSpecialFolder) {
invalidSpecialEntries.add(values);
continue;
}
if (migrator != null)
migrator.updateForNewTable(values);
debug("Migrating bookmark: " + values.getAsString(Bookmarks.TITLE));
db.insert(TABLE_BOOKMARKS, Bookmarks.URL, values);
Integer type = values.getAsInteger(Bookmarks.TYPE);
if (type != null && type == Bookmarks.TYPE_FOLDER)
subFolders.add(values.getAsInteger(Bookmarks._ID));
}
} finally {
if (c != null)
c.close();
}
// At this point is safe to assume that the mobile folder is
// in the new table given that we've always created it on
// database creation time.
final int nInvalidSpecialEntries = invalidSpecialEntries.size();
if (nInvalidSpecialEntries > 0) {
Long mobileFolderId = guidToID(db, Bookmarks.MOBILE_FOLDER_GUID);
debug("Found " + nInvalidSpecialEntries + " invalid special folder entries");
for (int i = 0; i < nInvalidSpecialEntries; i++) {
ContentValues values = invalidSpecialEntries.get(i);
values.put(Bookmarks.PARENT, mobileFolderId);
db.insert(TABLE_BOOKMARKS, Bookmarks.URL, values);
}
}
final int nSubFolders = subFolders.size();
for (int i = 0; i < nSubFolders; i++) {
int subFolderId = subFolders.get(i);
migrateBookmarkFolder(db, subFolderId, migrator);
}
}
private void migrateBookmarksTable(SQLiteDatabase db) {
migrateBookmarksTable(db, null);
}
private void migrateBookmarksTable(SQLiteDatabase db, BookmarkMigrator migrator) {
debug("Renaming bookmarks table to " + TABLE_BOOKMARKS_TMP);
db.execSQL("ALTER TABLE " + TABLE_BOOKMARKS +
" RENAME TO " + TABLE_BOOKMARKS_TMP);
debug("Dropping views and indexes related to " + TABLE_BOOKMARKS);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_BOOKMARKS_WITH_IMAGES);
db.execSQL("DROP INDEX IF EXISTS bookmarks_url_index");
db.execSQL("DROP INDEX IF EXISTS bookmarks_guid_index");
db.execSQL("DROP INDEX IF EXISTS bookmarks_modified_index");
createBookmarksTable(db);
createBookmarksWithImagesView(db);
createOrUpdateSpecialFolder(db, Bookmarks.PLACES_FOLDER_GUID,
R.string.bookmarks_folder_places, 0);
migrateBookmarkFolder(db, Bookmarks.FIXED_ROOT_ID, migrator);
// Ensure all special folders exist and have the
// right folder hierarchy.
createOrUpdateAllSpecialFolders(db);
debug("Dropping bookmarks temporary table");
db.execSQL("DROP TABLE IF EXISTS " + TABLE_BOOKMARKS_TMP);
}
private void migrateHistoryTable(SQLiteDatabase db) {
debug("Renaming history table to " + TABLE_HISTORY_TMP);
db.execSQL("ALTER TABLE " + TABLE_HISTORY +
" RENAME TO " + TABLE_HISTORY_TMP);
debug("Dropping views and indexes related to " + TABLE_HISTORY);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_HISTORY_WITH_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_COMBINED_WITH_IMAGES);
db.execSQL("DROP INDEX IF EXISTS history_url_index");
db.execSQL("DROP INDEX IF EXISTS history_guid_index");
db.execSQL("DROP INDEX IF EXISTS history_modified_index");
db.execSQL("DROP INDEX IF EXISTS history_visited_index");
createHistoryTable(db);
createHistoryWithImagesView(db);
createCombinedWithImagesView(db);
db.execSQL("INSERT INTO " + TABLE_HISTORY + " SELECT * FROM " + TABLE_HISTORY_TMP);
debug("Dropping history temporary table");
db.execSQL("DROP TABLE IF EXISTS " + TABLE_HISTORY_TMP);
}
private void migrateImagesTable(SQLiteDatabase db) {
debug("Renaming images table to " + TABLE_IMAGES_TMP);
db.execSQL("ALTER TABLE " + TABLE_IMAGES +
" RENAME TO " + TABLE_IMAGES_TMP);
debug("Dropping views and indexes related to " + TABLE_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_HISTORY_WITH_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_COMBINED_WITH_IMAGES);
db.execSQL("DROP INDEX IF EXISTS images_url_index");
db.execSQL("DROP INDEX IF EXISTS images_guid_index");
db.execSQL("DROP INDEX IF EXISTS images_modified_index");
createImagesTable(db);
createHistoryWithImagesView(db);
createCombinedWithImagesView(db);
db.execSQL("INSERT INTO " + TABLE_IMAGES + " SELECT * FROM " + TABLE_IMAGES_TMP);
debug("Dropping images temporary table");
db.execSQL("DROP TABLE IF EXISTS " + TABLE_IMAGES_TMP);
}
private void upgradeDatabaseFrom1to2(SQLiteDatabase db) {
migrateBookmarksTable(db);
}
private void upgradeDatabaseFrom2to3(SQLiteDatabase db) {
debug("Dropping view: " + VIEW_BOOKMARKS_WITH_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_BOOKMARKS_WITH_IMAGES);
createBookmarksWithImagesView(db);
debug("Dropping view: " + VIEW_HISTORY_WITH_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_HISTORY_WITH_IMAGES);
createHistoryWithImagesView(db);
}
private void upgradeDatabaseFrom3to4(SQLiteDatabase db) {
migrateBookmarksTable(db, new BookmarkMigrator3to4());
}
private void upgradeDatabaseFrom4to5(SQLiteDatabase db) {
createCombinedWithImagesView(db);
}
private void upgradeDatabaseFrom5to6(SQLiteDatabase db) {
debug("Dropping view: " + VIEW_COMBINED_WITH_IMAGES);
db.execSQL("DROP VIEW IF EXISTS " + VIEW_COMBINED_WITH_IMAGES);
createCombinedWithImagesView(db);
}
private void upgradeDatabaseFrom6to7(SQLiteDatabase db) {
debug("Removing history visits with NULL GUIDs");
db.execSQL("DELETE FROM " + TABLE_HISTORY + " WHERE " + History.GUID + " IS NULL");
debug("Update images with NULL GUIDs");
String[] columns = new String[] { Images._ID };
Cursor cursor = db.query(TABLE_IMAGES, columns, Images.GUID + " IS NULL", null, null ,null, null, null);
ContentValues values = new ContentValues();
if (cursor.moveToFirst()) {
do {
values.put(Images.GUID, Utils.generateGuid());
db.update(TABLE_IMAGES, values, Images._ID + " = ?", new String[] {
cursor.getString(cursor.getColumnIndexOrThrow(Images._ID))
});
} while (cursor.moveToNext());
}
migrateBookmarksTable(db);
migrateHistoryTable(db);
migrateImagesTable(db);
}
private void upgradeDatabaseFrom7to8(SQLiteDatabase db) {
debug("Combining history entries with the same URL");
final String TABLE_DUPES = "duped_urls";
final String TOTAL = "total";
final String LATEST = "latest";
final String WINNER = "winner";
db.execSQL("CREATE TEMP TABLE " + TABLE_DUPES + " AS" +
" SELECT " + History.URL + ", " +
"SUM(" + History.VISITS + ") AS " + TOTAL + ", " +
"MAX(" + History.DATE_MODIFIED + ") AS " + LATEST + ", " +
"MAX(" + History._ID + ") AS " + WINNER +
" FROM " + TABLE_HISTORY +
" GROUP BY " + History.URL +
" HAVING count(" + History.URL + ") > 1");
db.execSQL("CREATE UNIQUE INDEX " + TABLE_DUPES + "_url_index ON " +
TABLE_DUPES + " (" + History.URL + ")");
final String fromClause = " FROM " + TABLE_DUPES + " WHERE " +
qualifyColumn(TABLE_DUPES, History.URL) + " = " +
qualifyColumn(TABLE_HISTORY, History.URL);
db.execSQL("UPDATE " + TABLE_HISTORY +
" SET " + History.VISITS + " = (SELECT " + TOTAL + fromClause + "), " +
History.DATE_MODIFIED + " = (SELECT " + LATEST + fromClause + "), " +
History.IS_DELETED + " = " +
"(" + History._ID + " <> (SELECT " + WINNER + fromClause + "))" +
" WHERE " + History.URL + " IN (SELECT " + History.URL + " FROM " + TABLE_DUPES + ")");
db.execSQL("DROP TABLE " + TABLE_DUPES);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
debug("Upgrading browser.db: " + db.getPath() + " from " +
oldVersion + " to " + newVersion);
db.beginTransaction();
// We have to do incremental upgrades until we reach the current
// database schema version.
for (int v = oldVersion + 1; v <= newVersion; v++) {
switch(v) {
case 2:
upgradeDatabaseFrom1to2(db);
break;
case 3:
upgradeDatabaseFrom2to3(db);
break;
case 4:
upgradeDatabaseFrom3to4(db);
break;
case 5:
upgradeDatabaseFrom4to5(db);
break;
case 6:
upgradeDatabaseFrom5to6(db);
break;
case 7:
upgradeDatabaseFrom6to7(db);
break;
case 8:
upgradeDatabaseFrom7to8(db);
}
}
db.setTransactionSuccessful();
db.endTransaction();
}
@Override
public void onOpen(SQLiteDatabase db) {
debug("Opening browser.db: " + db.getPath());
Cursor cursor = null;
if (Build.VERSION.SDK_INT >= 8) {
try {
cursor = db.rawQuery("PRAGMA foreign_keys=ON", null);
} finally {
if (cursor != null)
cursor.close();
}
}
// From Honeycomb on, it's possible to run several db
// commands in parallel using multiple connections.
if (Build.VERSION.SDK_INT >= 11) {
db.enableWriteAheadLogging();
} else {
// Pre-Honeycomb, we can do some lesser optimizations.
cursor = null;
try {
cursor = db.rawQuery("PRAGMA synchronous=NORMAL", null);
} finally {
if (cursor != null)
cursor.close();
}
cursor = null;
try {
cursor = db.rawQuery("PRAGMA journal_mode=PERSIST", null);
} finally {
if (cursor != null)
cursor.close();
}
}
}
}
private Long guidToID(SQLiteDatabase db, String guid) {
Cursor c = null;
try {
c = db.query(TABLE_BOOKMARKS,
new String[] { Bookmarks._ID },
Bookmarks.GUID + " = ?",
new String[] { guid },
null, null, null);
if (c == null || !c.moveToFirst())
return null;
return c.getLong(c.getColumnIndex(Bookmarks._ID));
} finally {
if (c != null)
c.close();
}
}
private DatabaseHelper getDatabaseHelperForProfile(String profile, boolean isTest) {
// Each profile has a separate browser.db database. The target
// profile is provided using a URI query argument in each request
// to our content provider.
// Always fallback to default profile if none has been provided.
if (TextUtils.isEmpty(profile)) {
profile = BrowserContract.DEFAULT_PROFILE;
}
DatabaseHelper dbHelper;
synchronized (this) {
dbHelper = mDatabasePerProfile.get(profile);
if (dbHelper != null) {
return dbHelper;
}
dbHelper = new DatabaseHelper(getContext(), getDatabasePath(profile, isTest));
mDatabasePerProfile.put(profile, dbHelper);
}
debug("Created database helper for profile: " + profile);
return dbHelper;
}
public String getDatabasePath(String profile, boolean isTest) {
trace("Getting database path for profile: " + profile);
// On Android releases older than 2.3, it's not possible to use
// SQLiteOpenHelper with a full path. Fallback to using separate
// db files per profile in the app directory.
if (isTest) {
return DATABASE_NAME;
} else if(Build.VERSION.SDK_INT <= 8) {
return "browser-" + profile + ".db";
}
File profileDir = GeckoProfile.get(mContext, profile).getDir();
if (profileDir == null) {
debug("Couldn't find directory for profile: " + profile);
return null;
}
String databasePath = new File(profileDir, DATABASE_NAME).getAbsolutePath();
debug("Successfully created database path for profile: " + databasePath);
return databasePath;
}
private SQLiteDatabase getReadableDatabase(Uri uri) {
trace("Getting readable database for URI: " + uri);
String profile = null;
if (uri != null)
profile = uri.getQueryParameter(BrowserContract.PARAM_PROFILE);
return getDatabaseHelperForProfile(profile, isTest(uri)).getReadableDatabase();
}
private SQLiteDatabase getWritableDatabase(Uri uri) {
trace("Getting writable database for URI: " + uri);
String profile = null;
if (uri != null)
profile = uri.getQueryParameter(BrowserContract.PARAM_PROFILE);
return getDatabaseHelperForProfile(profile, isTest(uri)).getWritableDatabase();
}
private void cleanupSomeDeletedRecords(Uri fromUri, Uri targetUri, String tableName) {
// we cleanup records marked as deleted that are older than a
// predefined max age. It's important not be too greedy here and
// remove only a few old deleted records at a time.
// The PARAM_SHOW_DELETED argument is necessary to return the records
// that were marked as deleted. We use PARAM_IS_SYNC here to ensure
// that we'll be actually deleting records instead of flagging them.
Uri.Builder uriBuilder = targetUri.buildUpon()
.appendQueryParameter(BrowserContract.PARAM_LIMIT, String.valueOf(DELETED_RECORDS_PURGE_LIMIT))
.appendQueryParameter(BrowserContract.PARAM_SHOW_DELETED, "1")
.appendQueryParameter(BrowserContract.PARAM_IS_SYNC, "1");
String profile = fromUri.getQueryParameter(BrowserContract.PARAM_PROFILE);
if (!TextUtils.isEmpty(profile))
uriBuilder = uriBuilder.appendQueryParameter(BrowserContract.PARAM_PROFILE, profile);
if (isTest(fromUri))
uriBuilder = uriBuilder.appendQueryParameter(BrowserContract.PARAM_IS_TEST, "1");
Uri uriWithArgs = uriBuilder.build();
Cursor cursor = null;
try {
long now = System.currentTimeMillis();
String selection = SyncColumns.IS_DELETED + " = 1 AND " +
SyncColumns.DATE_MODIFIED + " <= " + (now - MAX_AGE_OF_DELETED_RECORDS);
cursor = query(uriWithArgs,
new String[] { CommonColumns._ID },
selection,
null,
null);
while (cursor.moveToNext()) {
Uri uriWithId = ContentUris.withAppendedId(uriWithArgs, cursor.getLong(0));
delete(uriWithId, null, null);
debug("Removed old deleted item with URI: " + uriWithId);
}
} finally {
if (cursor != null)
cursor.close();
}
}
private boolean isCallerSync(Uri uri) {
String isSync = uri.getQueryParameter(BrowserContract.PARAM_IS_SYNC);
return !TextUtils.isEmpty(isSync);
}
private boolean isTest(Uri uri) {
String isTest = uri.getQueryParameter(BrowserContract.PARAM_IS_TEST);
return !TextUtils.isEmpty(isTest);
}
private boolean shouldShowDeleted(Uri uri) {
String showDeleted = uri.getQueryParameter(BrowserContract.PARAM_SHOW_DELETED);
return !TextUtils.isEmpty(showDeleted);
}
private boolean shouldUpdateOrInsert(Uri uri) {
String insertIfNeeded = uri.getQueryParameter(BrowserContract.PARAM_INSERT_IF_NEEDED);
return Boolean.parseBoolean(insertIfNeeded);
}
private boolean shouldIncrementVisits(Uri uri) {
String incrementVisits = uri.getQueryParameter(BrowserContract.PARAM_INCREMENT_VISITS);
return Boolean.parseBoolean(incrementVisits);
}
@Override
public boolean onCreate() {
debug("Creating BrowserProvider");
GeckoBackgroundThread.post(new Runnable() {
@Override
public void run() {
// Kick this off early. It is synchronized so that other callers will wait
try {
GeckoProfile.get(getContext()).getDir();
} catch (Exception ex) {
Log.e(LOGTAG, "Error getting profile dir", ex);
}
}
});
synchronized (this) {
mContext = getContext();
mDatabasePerProfile = new HashMap<String, DatabaseHelper>();
}
return true;
}
@Override
public String getType(Uri uri) {
final int match = URI_MATCHER.match(uri);
trace("Getting URI type: " + uri);
switch (match) {
case BOOKMARKS:
trace("URI is BOOKMARKS: " + uri);
return Bookmarks.CONTENT_TYPE;
case BOOKMARKS_ID:
trace("URI is BOOKMARKS_ID: " + uri);
return Bookmarks.CONTENT_ITEM_TYPE;
case HISTORY:
trace("URI is HISTORY: " + uri);
return History.CONTENT_TYPE;
case HISTORY_ID:
trace("URI is HISTORY_ID: " + uri);
return History.CONTENT_ITEM_TYPE;
}
debug("URI has unrecognized type: " + uri);
return null;
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
trace("Calling delete on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
int deleted = 0;
if (Build.VERSION.SDK_INT >= 11) {
trace("Beginning delete transaction: " + uri);
db.beginTransaction();
try {
deleted = deleteInTransaction(uri, selection, selectionArgs);
db.setTransactionSuccessful();
trace("Successful delete transaction: " + uri);
} finally {
db.endTransaction();
}
} else {
deleted = deleteInTransaction(uri, selection, selectionArgs);
}
if (deleted > 0)
getContext().getContentResolver().notifyChange(uri, null);
return deleted;
}
@SuppressWarnings("fallthrough")
public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) {
trace("Calling delete in transaction on URI: " + uri);
final int match = URI_MATCHER.match(uri);
int deleted = 0;
switch (match) {
case BOOKMARKS_ID:
trace("Delete on BOOKMARKS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, TABLE_BOOKMARKS + "._id = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case BOOKMARKS: {
trace("Deleting bookmarks: " + uri);
deleted = deleteBookmarks(uri, selection, selectionArgs);
deleteUnusedImages(uri);
break;
}
case HISTORY_ID:
trace("Delete on HISTORY_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, TABLE_HISTORY + "._id = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case HISTORY: {
trace("Deleting history: " + uri);
deleted = deleteHistory(uri, selection, selectionArgs);
deleteUnusedImages(uri);
break;
}
case IMAGES_ID:
debug("Delete on IMAGES_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, TABLE_IMAGES + "._id = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case IMAGES: {
trace("Deleting images: " + uri);
deleted = deleteImages(uri, selection, selectionArgs);
break;
}
default:
throw new UnsupportedOperationException("Unknown delete URI " + uri);
}
debug("Deleted " + deleted + " rows for URI: " + uri);
return deleted;
}
@Override
public Uri insert(Uri uri, ContentValues values) {
trace("Calling insert on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
Uri result = null;
try {
if (Build.VERSION.SDK_INT >= 11) {
trace("Beginning insert transaction: " + uri);
db.beginTransaction();
try {
result = insertInTransaction(uri, values);
db.setTransactionSuccessful();
trace("Successful insert transaction: " + uri);
} finally {
db.endTransaction();
}
} else {
result = insertInTransaction(uri, values);
}
} catch (SQLException sqle) {
Log.e(LOGTAG, "exception in DB operation", sqle);
} catch (UnsupportedOperationException uoe) {
Log.e(LOGTAG, "don't know how to perform that insert", uoe);
}
if (result != null)
getContext().getContentResolver().notifyChange(uri, null);
return result;
}
public Uri insertInTransaction(Uri uri, ContentValues values) {
trace("Calling insert in transaction on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
int match = URI_MATCHER.match(uri);
long id = -1;
switch (match) {
case BOOKMARKS: {
trace("Insert on BOOKMARKS: " + uri);
// Generate values if not specified. Don't overwrite
// if specified by caller.
long now = System.currentTimeMillis();
if (!values.containsKey(Bookmarks.DATE_CREATED)) {
values.put(Bookmarks.DATE_CREATED, now);
}
if (!values.containsKey(Bookmarks.DATE_MODIFIED)) {
values.put(Bookmarks.DATE_MODIFIED, now);
}
if (!values.containsKey(Bookmarks.GUID)) {
values.put(Bookmarks.GUID, Utils.generateGuid());
}
if (!values.containsKey(Bookmarks.POSITION)) {
debug("Inserting bookmark with no position for URI");
values.put(Bookmarks.POSITION, Long.toString(Long.MIN_VALUE));
}
String url = values.getAsString(Bookmarks.URL);
ContentValues imageValues = extractImageValues(values, url);
Integer type = values.getAsInteger(Bookmarks.TYPE);
if ((type == null || type != Bookmarks.TYPE_FOLDER)
&& imageValues != null && !TextUtils.isEmpty(url)) {
debug("Inserting bookmark image for URL: " + url);
updateOrInsertImage(uri, imageValues, Images.URL + " = ?",
new String[] { url });
}
debug("Inserting bookmark in database with URL: " + url);
id = db.insertOrThrow(TABLE_BOOKMARKS, Bookmarks.TITLE, values);
break;
}
case HISTORY: {
trace("Insert on HISTORY: " + uri);
id = insertHistory(uri, values);
break;
}
case IMAGES: {
trace("Insert on IMAGES: " + uri);
long now = System.currentTimeMillis();
values.put(History.DATE_CREATED, now);
values.put(History.DATE_MODIFIED, now);
// Generate GUID for new history entry
values.put(History.GUID, Utils.generateGuid());
String url = values.getAsString(Images.URL);
debug("Inserting image in database with URL: " + url);
id = db.insertOrThrow(TABLE_IMAGES, Images.URL, values);
break;
}
default:
throw new UnsupportedOperationException("Unknown insert URI " + uri);
}
debug("Inserted ID in database: " + id);
if (id >= 0)
return ContentUris.withAppendedId(uri, id);
return null;
}
@Override
public int update(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
trace("Calling update on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
int updated = 0;
if (Build.VERSION.SDK_INT >= 11) {
trace("Beginning update transaction: " + uri);
db.beginTransaction();
try {
updated = updateInTransaction(uri, values, selection, selectionArgs);
db.setTransactionSuccessful();
trace("Successful update transaction: " + uri);
} finally {
db.endTransaction();
}
} else {
updated = updateInTransaction(uri, values, selection, selectionArgs);
}
if (updated > 0)
getContext().getContentResolver().notifyChange(uri, null);
return updated;
}
@SuppressWarnings("fallthrough")
public int updateInTransaction(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
trace("Calling update in transaction on URI: " + uri);
int match = URI_MATCHER.match(uri);
int updated = 0;
switch (match) {
// We provide a dedicated (hacky) API for callers to bulk-update the positions of
// folder children by passing an array of GUID strings as `selectionArgs`.
// Each child will have its position column set to its index in the provided array.
//
// This avoids callers having to issue a large number of UPDATE queries through
// the usual channels. See Bug 728783.
//
// Note that this is decidedly not a general-purpose API; use at your own risk.
// `values` and `selection` are ignored.
case BOOKMARKS_POSITIONS: {
debug("Update on BOOKMARKS_POSITIONS: " + uri);
updated = updateBookmarkPositions(uri, selectionArgs);
break;
}
case BOOKMARKS_PARENT: {
debug("Update on BOOKMARKS_PARENT: " + uri);
updated = updateBookmarkParents(uri, values, selection, selectionArgs);
break;
}
case BOOKMARKS_ID:
debug("Update on BOOKMARKS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, TABLE_BOOKMARKS + "._id = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case BOOKMARKS: {
debug("Updating bookmark: " + uri);
updated = updateBookmarks(uri, values, selection, selectionArgs);
break;
}
case HISTORY_ID:
debug("Update on HISTORY_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, TABLE_HISTORY + "._id = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case HISTORY: {
debug("Updating history: " + uri);
if (shouldUpdateOrInsert(uri))
updated = updateOrInsertHistory(uri, values, selection, selectionArgs);
else
updated = updateHistory(uri, values, selection, selectionArgs);
break;
}
case IMAGES: {
debug("Update on IMAGES: " + uri);
String url = values.getAsString(Images.URL);
if (TextUtils.isEmpty(url))
throw new IllegalArgumentException("Images.URL is required");
updated = updateExistingImage(uri, values, Images.URL + " = ?",
new String[] { url });
break;
}
default:
throw new UnsupportedOperationException("Unknown update URI " + uri);
}
debug("Updated " + updated + " rows for URI: " + uri);
return updated;
}
private Cursor controlQuery(Uri uri,
String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
trace("controlQuery projection = " + projection);
final String[] allFields = {
Control.ENSURE_BOOKMARKS_MIGRATED,
Control.ENSURE_HISTORY_MIGRATED
};
// null projection must return all fields.
if (projection == null) {
projection = allFields;
}
if (selection != null) {
throw new UnsupportedOperationException("No selection in virtual CONTROL queries");
}
File profileDir = GeckoProfile.get(mContext).getDir();
if (uri != null) {
String profile = uri.getQueryParameter(BrowserContract.PARAM_PROFILE);
if (!TextUtils.isEmpty(profile)) {
profileDir = GeckoProfile.get(mContext, profile).getDir();
}
}
MatrixCursor cursor = new MatrixCursor(projection);
MatrixCursor.RowBuilder row = cursor.newRow();
synchronized (this) {
boolean wantBookmarks = false;
boolean wantHistory = false;
for (String key : projection) {
if (key.equals(Control.ENSURE_BOOKMARKS_MIGRATED)) {
wantBookmarks = true;
} else if (key.equals(Control.ENSURE_HISTORY_MIGRATED)) {
wantHistory = true;
}
}
if (wantHistory || wantBookmarks) {
ProfileMigrator migrator =
new ProfileMigrator(mContext, profileDir);
boolean needBookmarks = wantBookmarks && !migrator.areBookmarksMigrated();
boolean needHistory = wantHistory && !migrator.isHistoryMigrated();
if (needBookmarks || needHistory) {
migrator.launchPlaces();
needBookmarks = wantBookmarks && !migrator.areBookmarksMigrated();
needHistory = wantHistory && !migrator.isHistoryMigrated();
// Bookmarks are expected to finish at the first run.
if (needBookmarks) {
Log.w(LOGTAG, "Bookmarks migration did not finish.");
}
}
// Now set the results.
for (String key: projection) {
if (key.equals(Control.ENSURE_BOOKMARKS_MIGRATED)) {
row.add(needBookmarks ? 0 : 1);
} else if (key.equals(Control.ENSURE_HISTORY_MIGRATED)) {
row.add(needHistory ? 0 : 1);
}
}
}
}
return cursor;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
SQLiteDatabase db = getReadableDatabase(uri);
final int match = URI_MATCHER.match(uri);
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
switch (match) {
case BOOKMARKS_FOLDER_ID:
case BOOKMARKS_ID:
case BOOKMARKS: {
debug("Query is on bookmarks: " + uri);
if (match == BOOKMARKS_ID) {
selection = DBUtils.concatenateWhere(selection, Bookmarks._ID + " = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
} else if (match == BOOKMARKS_FOLDER_ID) {
selection = DBUtils.concatenateWhere(selection, Bookmarks.PARENT + " = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
}
if (!shouldShowDeleted(uri))
selection = DBUtils.concatenateWhere(Bookmarks.IS_DELETED + " = 0", selection);
if (TextUtils.isEmpty(sortOrder)) {
sortOrder = DEFAULT_BOOKMARKS_SORT_ORDER;
} else {
debug("Using sort order " + sortOrder + ".");
}
qb.setProjectionMap(BOOKMARKS_PROJECTION_MAP);
if (hasImagesInProjection(projection))
qb.setTables(VIEW_BOOKMARKS_WITH_IMAGES);
else
qb.setTables(TABLE_BOOKMARKS);
break;
}
case HISTORY_ID:
case HISTORY: {
debug("Query is on history: " + uri);
if (match == HISTORY_ID) {
selection = DBUtils.concatenateWhere(selection, History._ID + " = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
}
if (!shouldShowDeleted(uri))
selection = DBUtils.concatenateWhere(History.IS_DELETED + " = 0", selection);
if (TextUtils.isEmpty(sortOrder))
sortOrder = DEFAULT_HISTORY_SORT_ORDER;
qb.setProjectionMap(HISTORY_PROJECTION_MAP);
if (hasImagesInProjection(projection))
qb.setTables(VIEW_HISTORY_WITH_IMAGES);
else
qb.setTables(TABLE_HISTORY);
break;
}
case IMAGES_ID:
case IMAGES: {
debug("Query is on images: " + uri);
if (match == IMAGES_ID) {
selection = DBUtils.concatenateWhere(selection, Images._ID + " = ?");
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
}
if (!shouldShowDeleted(uri))
selection = DBUtils.concatenateWhere(Images.IS_DELETED + " = 0", selection);
qb.setProjectionMap(IMAGES_PROJECTION_MAP);
qb.setTables(TABLE_IMAGES);
break;
}
case SCHEMA: {
debug("Query is on schema.");
MatrixCursor schemaCursor = new MatrixCursor(new String[] { Schema.VERSION });
schemaCursor.newRow().add(DATABASE_VERSION);
return schemaCursor;
}
case COMBINED: {
debug("Query is on combined: " + uri);
if (TextUtils.isEmpty(sortOrder))
sortOrder = DEFAULT_HISTORY_SORT_ORDER;
qb.setProjectionMap(COMBINED_PROJECTION_MAP);
qb.setTables(VIEW_COMBINED_WITH_IMAGES);
break;
}
case CONTROL: {
debug("Query is on control: " + uri);
Cursor controlCursor =
controlQuery(uri, projection, selection, selectionArgs, sortOrder);
return controlCursor;
}
default:
throw new UnsupportedOperationException("Unknown query URI " + uri);
}
trace("Running built query.");
Cursor cursor = qb.query(db, projection, selection, selectionArgs, null,
null, sortOrder, limit);
cursor.setNotificationUri(getContext().getContentResolver(),
BrowserContract.AUTHORITY_URI);
return cursor;
}
ContentValues extractImageValues(ContentValues values, String url) {
trace("Extracting image values for URI: " + url);
ContentValues imageValues = null;
if (values.containsKey(Bookmarks.FAVICON)) {
debug("Has favicon value on URL: " + url);
imageValues = new ContentValues();
imageValues.put(Images.FAVICON,
values.getAsByteArray(Bookmarks.FAVICON));
values.remove(Bookmarks.FAVICON);
}
if (values.containsKey(Bookmarks.THUMBNAIL)) {
debug("Has favicon value on URL: " + url);
if (imageValues == null)
imageValues = new ContentValues();
imageValues.put(Images.THUMBNAIL,
values.getAsByteArray(Bookmarks.THUMBNAIL));
values.remove(Bookmarks.THUMBNAIL);
}
if (imageValues != null && url != null) {
debug("Has URL value");
imageValues.put(Images.URL, url);
}
return imageValues;
}
int getUrlCount(SQLiteDatabase db, String table, String url) {
Cursor c = db.query(table, new String[] { "COUNT(*)" },
URLColumns.URL + " = ?", new String[] { url }, null, null,
null);
int count = 0;
try {
if (c.moveToFirst())
count = c.getInt(0);
} finally {
c.close();
}
return count;
}
/**
* Update the positions of bookmarks in batches.
*
* @see #updateBookmarkPositionsInTransaction(SQLiteDatabase, String[], int, int)
*/
int updateBookmarkPositions(Uri uri, String[] guids) {
if (guids == null)
return 0;
int guidsCount = guids.length;
if (guidsCount == 0)
return 0;
final SQLiteDatabase db = getWritableDatabase(uri);
int offset = 0;
int updated = 0;
db.beginTransaction();
while (offset < guidsCount) {
try {
updated += updateBookmarkPositionsInTransaction(db, guids, offset,
MAX_POSITION_UPDATES_PER_QUERY);
} catch (SQLException e) {
Log.e(LOGTAG, "Got SQLite exception updating bookmark positions at offset " + offset, e);
// Need to restart the transaction.
// The only way a caller knows that anything failed is that the
// returned update count will be smaller than the requested
// number of records.
db.setTransactionSuccessful();
db.endTransaction();
db.beginTransaction();
}
offset += MAX_POSITION_UPDATES_PER_QUERY;
}
db.setTransactionSuccessful();
db.endTransaction();
return updated;
}
/**
* Construct and execute an update expression that will modify the positions
* of records in-place.
*/
int updateBookmarkPositionsInTransaction(final SQLiteDatabase db, final String[] guids,
final int offset, final int max) {
int guidsCount = guids.length;
int processCount = Math.min(max, guidsCount - offset);
// Each must appear twice: once in a CASE, and once in the IN clause.
String[] args = new String[processCount * 2];
System.arraycopy(guids, offset, args, 0, processCount);
System.arraycopy(guids, offset, args, processCount, processCount);
StringBuilder b = new StringBuilder("UPDATE " + TABLE_BOOKMARKS +
" SET " + Bookmarks.POSITION +
" = CASE guid");
// Build the CASE statement body for GUID/index pairs from offset up to
// the computed limit.
final int end = offset + processCount;
int i = offset;
for (; i < end; ++i) {
if (guids[i] == null) {
// We don't want to issue the query if not every GUID is specified.
debug("updateBookmarkPositions called with null GUID at index " + i);
return 0;
}
b.append(" WHEN ? THEN " + i);
}
b.append(" END WHERE " + Bookmarks.GUID + " IN (");
i = 1;
while (i++ < processCount) {
b.append("?, ");
}
b.append("?)");
db.execSQL(b.toString(), args);
// We can't easily get a modified count without calling something like changes().
return processCount;
}
/**
* Construct an update expression that will modify the parents of any records
* that match.
*/
int updateBookmarkParents(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
trace("Updating bookmark parents of " + selection + " (" + selectionArgs[0] + ")");
String where = Bookmarks._ID + " IN (" +
" SELECT DISTINCT " + Bookmarks.PARENT +
" FROM " + TABLE_BOOKMARKS +
" WHERE " + selection + " )";
return getWritableDatabase(uri).update(TABLE_BOOKMARKS, values, where, selectionArgs);
}
int updateBookmarks(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
trace("Updating bookmarks on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
int updated = 0;
final String[] bookmarksProjection = new String[] {
Bookmarks._ID, // 0
Bookmarks.URL, // 1
};
trace("Quering bookmarks to update on URI: " + uri);
Cursor cursor = db.query(TABLE_BOOKMARKS, bookmarksProjection,
selection, selectionArgs, null, null, null);
try {
if (!values.containsKey(Bookmarks.DATE_MODIFIED))
values.put(Bookmarks.DATE_MODIFIED, System.currentTimeMillis());
boolean updatingUrl = values.containsKey(Bookmarks.URL);
String url = null;
if (updatingUrl)
url = values.getAsString(Bookmarks.URL);
ContentValues imageValues = extractImageValues(values, url);
while (cursor.moveToNext()) {
long id = cursor.getLong(0);
trace("Updating bookmark with ID: " + id);
updated += db.update(TABLE_BOOKMARKS, values, "_id = ?",
new String[] { Long.toString(id) });
if (imageValues == null)
continue;
if (!updatingUrl) {
url = cursor.getString(1);
imageValues.put(Images.URL, url);
}
if (!TextUtils.isEmpty(url)) {
trace("Updating bookmark image for URL: " + url);
updateOrInsertImage(uri, imageValues, Images.URL + " = ?",
new String[] { url });
}
}
} finally {
if (cursor != null)
cursor.close();
}
return updated;
}
long insertHistory(Uri uri, ContentValues values) {
final SQLiteDatabase db = getWritableDatabase(uri);
long now = System.currentTimeMillis();
values.put(History.DATE_CREATED, now);
values.put(History.DATE_MODIFIED, now);
// Generate GUID for new history entry. Don't override specified GUIDs.
if (!values.containsKey(History.GUID)) {
values.put(History.GUID, Utils.generateGuid());
}
String url = values.getAsString(History.URL);
ContentValues imageValues = extractImageValues(values, url);
if (imageValues != null) {
debug("Inserting history image for URL: " + url);
updateOrInsertImage(uri, imageValues, Images.URL + " = ?",
new String[] { url });
}
debug("Inserting history in database with URL: " + url);
return db.insertOrThrow(TABLE_HISTORY, History.VISITS, values);
}
int updateOrInsertHistory(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
int updated = updateHistory(uri, values, selection, selectionArgs);
if (updated > 0)
return updated;
// Insert a new entry if necessary
if (!values.containsKey(History.VISITS))
values.put(History.VISITS, 1);
if (!values.containsKey(History.TITLE))
values.put(History.TITLE, values.getAsString(History.URL));
insertHistory(uri, values);
// Return 0 if we added a new row
return 0;
}
int updateHistory(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
trace("Updating history on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
int updated = 0;
final String[] historyProjection = new String[] {
History._ID, // 0
History.URL, // 1
History.VISITS // 2
};
Cursor cursor = db.query(TABLE_HISTORY, historyProjection, selection,
selectionArgs, null, null, null);
try {
values.put(History.DATE_MODIFIED, System.currentTimeMillis());
boolean updatingUrl = values.containsKey(History.URL);
String url = null;
if (updatingUrl)
url = values.getAsString(History.URL);
ContentValues imageValues = extractImageValues(values, url);
while (cursor.moveToNext()) {
long id = cursor.getLong(0);
trace("Updating history entry with ID: " + id);
if (shouldIncrementVisits(uri)) {
long existing = cursor.getLong(2);
Long additional = values.getAsLong(History.VISITS);
// Increment visit count by a specified amount, or default to increment by 1
values.put(History.VISITS, existing + ((additional != null) ? additional.longValue() : 1));
}
updated += db.update(TABLE_HISTORY, values, "_id = ?",
new String[] { Long.toString(id) });
if (imageValues == null)
continue;
if (!updatingUrl) {
url = cursor.getString(1);
imageValues.put(Images.URL, url);
}
if (!TextUtils.isEmpty(url)) {
trace("Updating history image for URL: " + url);
updateOrInsertImage(uri, imageValues, Images.URL + " = ?",
new String[] { url });
}
}
} finally {
if (cursor != null)
cursor.close();
}
return updated;
}
int updateOrInsertImage(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
return updateImage(uri, values, selection, selectionArgs,
true /* insert if needed */);
}
int updateExistingImage(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
return updateImage(uri, values, selection, selectionArgs,
false /* only update, no insert */);
}
int updateImage(Uri uri, ContentValues values, String selection,
String[] selectionArgs, boolean insertIfNeeded) {
String url = values.getAsString(Images.URL);
trace("Updating image for URL: " + url);
final SQLiteDatabase db = getWritableDatabase(uri);
long now = System.currentTimeMillis();
// Thumbnails update on every page load. We don't want to flood
// sync with meaningless last modified date. Only update modified
// date when favicons bits change.
if (values.containsKey(Images.FAVICON) || values.containsKey(Images.FAVICON_URL))
values.put(Images.DATE_MODIFIED, now);
// Restore and update an existing image record marked as
// deleted if possible.
if (insertIfNeeded)
values.put(Images.IS_DELETED, 0);
debug("Trying to update image for URL: " + url);
int updated = db.update(TABLE_IMAGES, values, selection, selectionArgs);
if (updated == 0 && insertIfNeeded) {
// Generate GUID for new image, if one is not already provided.
if (!values.containsKey(Images.GUID)) {
values.put(Images.GUID, Utils.generateGuid());
}
values.put(Images.DATE_CREATED, now);
values.put(Images.DATE_MODIFIED, now);
trace("No update, inserting image for URL: " + url);
db.insert(TABLE_IMAGES, Images.FAVICON, values);
updated = 1;
}
return updated;
}
int deleteHistory(Uri uri, String selection, String[] selectionArgs) {
debug("Deleting history entry for URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
if (isCallerSync(uri)) {
return db.delete(TABLE_HISTORY, selection, selectionArgs);
}
debug("Marking history entry as deleted for URI: " + uri);
ContentValues values = new ContentValues();
values.put(History.IS_DELETED, 1);
// Wipe sensitive data.
values.putNull(History.TITLE);
values.put(History.URL, ""); // Column is NOT NULL.
values.put(History.DATE_CREATED, 0);
values.put(History.DATE_LAST_VISITED, 0);
values.put(History.VISITS, 0);
cleanupSomeDeletedRecords(uri, History.CONTENT_URI, TABLE_HISTORY);
return updateHistory(uri, values, selection, selectionArgs);
}
int deleteBookmarks(Uri uri, String selection, String[] selectionArgs) {
debug("Deleting bookmarks for URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
if (isCallerSync(uri)) {
return db.delete(TABLE_BOOKMARKS, selection, selectionArgs);
}
debug("Marking bookmarks as deleted for URI: " + uri);
ContentValues values = new ContentValues();
values.put(Bookmarks.IS_DELETED, 1);
cleanupSomeDeletedRecords(uri, Bookmarks.CONTENT_URI, TABLE_BOOKMARKS);
return updateBookmarks(uri, values, selection, selectionArgs);
}
int deleteImages(Uri uri, String selection, String[] selectionArgs) {
debug("Deleting images for URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
if (isCallerSync(uri)) {
return db.delete(TABLE_IMAGES, selection, null);
}
debug("Marking images as deleted for URI: " + uri);
ContentValues values = new ContentValues();
values.put(History.IS_DELETED, 1);
cleanupSomeDeletedRecords(uri, Images.CONTENT_URI, TABLE_IMAGES);
return updateExistingImage(uri, values, selection, null);
}
int deleteUnusedImages(Uri uri) {
debug("Deleting all unused images for URI: " + uri);
String selection = Images.URL + " NOT IN (SELECT " + Bookmarks.URL +
" FROM " + TABLE_BOOKMARKS + " WHERE " + Bookmarks.URL + " IS NOT NULL AND " +
qualifyColumn(TABLE_BOOKMARKS, Bookmarks.IS_DELETED) + " = 0) AND " +
Images.URL + " NOT IN (SELECT " + History.URL + " FROM " + TABLE_HISTORY +
" WHERE " + History.URL + " IS NOT NULL AND " +
qualifyColumn(TABLE_HISTORY, History.IS_DELETED) + " = 0)";
return deleteImages(uri, selection, null);
}
@Override
public ContentProviderResult[] applyBatch (ArrayList<ContentProviderOperation> operations)
throws OperationApplicationException {
final int numOperations = operations.size();
final ContentProviderResult[] results = new ContentProviderResult[numOperations];
boolean failures = false;
SQLiteDatabase db = null;
if (numOperations >= 1) {
// We only have 1 database for all Uri's that we can get
db = getWritableDatabase(operations.get(0).getUri());
} else {
// The original Android implementation returns a zero-length
// array in this case, we do the same.
return results;
}
// Note that the apply() call may cause us to generate
// additional transactions for the invidual operations.
// But Android's wrapper for SQLite supports nested transactions,
// so this will do the right thing.
db.beginTransaction();
for (int i = 0; i < numOperations; i++) {
try {
results[i] = operations.get(i).apply(this, results, i);
} catch (SQLException e) {
Log.w(LOGTAG, "SQLite Exception during applyBatch: ", e);
// The Android API makes it implementation-defined whether
// the failure of a single operation makes all others abort
// or not. For our use cases, best-effort operation makes
// more sense. Rolling back and forcing the caller to retry
// after it figures out what went wrong isn't very convenient
// anyway.
// Signal failed operation back, so the caller knows what
// went through and what didn't.
results[i] = new ContentProviderResult(0);
failures = true;
// http://www.sqlite.org/lang_conflict.html
// Note that we need a new transaction, subsequent operations
// on this one will fail (we're in ABORT by default, which
// isn't IGNORE). We still need to set it as successful to let
// everything before the failed op go through.
// We can't set conflict resolution on API level < 8, and even
// above 8 it requires splitting the call per operation
// (insert/update/delete).
db.setTransactionSuccessful();
db.endTransaction();
db.beginTransaction();
}
}
trace("Flushing DB applyBatch...");
db.setTransactionSuccessful();
db.endTransaction();
if (failures) {
throw new OperationApplicationException();
}
return results;
}
@Override
public int bulkInsert(Uri uri, ContentValues[] values) {
if (values == null)
return 0;
int numValues = values.length;
int successes = 0;
final SQLiteDatabase db = getWritableDatabase(uri);
db.beginTransaction();
try {
for (int i = 0; i < numValues; i++) {
insertInTransaction(uri, values[i]);
successes++;
}
trace("Flushing DB bulkinsert...");
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
return successes;
}
}
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