Files
tubestation/mobile/android/base/db/TabsProvider.java

365 lines
15 KiB
Java

/* 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/. */
package org.mozilla.gecko.db;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.mozilla.gecko.db.BrowserContract.Clients;
import org.mozilla.gecko.db.BrowserContract.Tabs;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteQueryBuilder;
import android.net.Uri;
import android.text.TextUtils;
public class TabsProvider extends SharedBrowserDatabaseProvider {
private static final long ONE_DAY_IN_MILLISECONDS = 1000 * 60 * 60 * 24;
private static final long ONE_WEEK_IN_MILLISECONDS = 7 * ONE_DAY_IN_MILLISECONDS;
private static final long THREE_WEEKS_IN_MILLISECONDS = 3 * ONE_WEEK_IN_MILLISECONDS;
static final String TABLE_TABS = "tabs";
static final String TABLE_CLIENTS = "clients";
static final int TABS = 600;
static final int TABS_ID = 601;
static final int CLIENTS = 602;
static final int CLIENTS_ID = 603;
static final int CLIENTS_RECENCY = 604;
// Exclude clients that are more than three weeks old and also any duplicates that are older than one week old.
static final String EXCLUDE_STALE_CLIENTS_SUBQUERY =
"(SELECT " + Clients.GUID +
", " + Clients.NAME +
", " + Clients.LAST_MODIFIED +
", " + Clients.DEVICE_TYPE +
" FROM " + TABLE_CLIENTS +
" WHERE " + Clients.LAST_MODIFIED + " > %1$s " +
" GROUP BY " + Clients.NAME +
" UNION ALL " +
" SELECT c." + Clients.GUID + " AS " + Clients.GUID +
", c." + Clients.NAME + " AS " + Clients.NAME +
", c." + Clients.LAST_MODIFIED + " AS " + Clients.LAST_MODIFIED +
", c." + Clients.DEVICE_TYPE + " AS " + Clients.DEVICE_TYPE +
" FROM " + TABLE_CLIENTS + " AS c " +
" JOIN (" +
" SELECT " + Clients.GUID +
", " + "MAX( " + Clients.LAST_MODIFIED + ") AS " + Clients.LAST_MODIFIED +
" FROM " + TABLE_CLIENTS +
" WHERE (" + Clients.LAST_MODIFIED + " < %1$s" + " AND " + Clients.LAST_MODIFIED + " > %2$s) AND " +
Clients.NAME + " NOT IN " + "( SELECT " + Clients.NAME + " FROM " + TABLE_CLIENTS + " WHERE " + Clients.LAST_MODIFIED + " > %1$s)" +
" GROUP BY " + Clients.NAME +
") AS c2" +
" ON c." + Clients.GUID + " = c2." + Clients.GUID + ")";
static final String DEFAULT_TABS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC, " + Tabs.LAST_USED + " DESC";
static final String DEFAULT_CLIENTS_SORT_ORDER = Clients.LAST_MODIFIED + " DESC";
static final String DEFAULT_CLIENTS_RECENCY_SORT_ORDER = "COALESCE(MAX(" + Tabs.LAST_USED + "), " + Clients.LAST_MODIFIED + ") DESC";
static final String INDEX_TABS_GUID = "tabs_guid_index";
static final String INDEX_TABS_POSITION = "tabs_position_index";
static final String INDEX_CLIENTS_GUID = "clients_guid_index";
static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
static final Map<String, String> TABS_PROJECTION_MAP;
static final Map<String, String> CLIENTS_PROJECTION_MAP;
static final Map<String, String> CLIENTS_RECENCY_PROJECTION_MAP;
static {
URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs", TABS);
URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "tabs/#", TABS_ID);
URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients", CLIENTS);
URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients/#", CLIENTS_ID);
URI_MATCHER.addURI(BrowserContract.TABS_AUTHORITY, "clients_recency", CLIENTS_RECENCY);
HashMap<String, String> map;
map = new HashMap<String, String>();
map.put(Tabs._ID, Tabs._ID);
map.put(Tabs.TITLE, Tabs.TITLE);
map.put(Tabs.URL, Tabs.URL);
map.put(Tabs.HISTORY, Tabs.HISTORY);
map.put(Tabs.FAVICON, Tabs.FAVICON);
map.put(Tabs.LAST_USED, Tabs.LAST_USED);
map.put(Tabs.POSITION, Tabs.POSITION);
map.put(Clients.GUID, Clients.GUID);
map.put(Clients.NAME, Clients.NAME);
map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
map.put(Clients.DEVICE_TYPE, Clients.DEVICE_TYPE);
TABS_PROJECTION_MAP = Collections.unmodifiableMap(map);
map = new HashMap<String, String>();
map.put(Clients.GUID, Clients.GUID);
map.put(Clients.NAME, Clients.NAME);
map.put(Clients.LAST_MODIFIED, Clients.LAST_MODIFIED);
map.put(Clients.DEVICE_TYPE, Clients.DEVICE_TYPE);
CLIENTS_PROJECTION_MAP = Collections.unmodifiableMap(map);
map = new HashMap<>();
map.put(Clients.GUID, projectColumn(TABLE_CLIENTS, Clients.GUID) + " AS guid");
map.put(Clients.NAME, projectColumn(TABLE_CLIENTS, Clients.NAME) + " AS name");
map.put(Clients.LAST_MODIFIED, projectColumn(TABLE_CLIENTS, Clients.LAST_MODIFIED) + " AS last_modified");
map.put(Clients.DEVICE_TYPE, projectColumn(TABLE_CLIENTS, Clients.DEVICE_TYPE) + " AS device_type");
// last_used is the max of the tab last_used times, or if there are no tabs,
// the client's last_modified time.
map.put(Tabs.LAST_USED, "COALESCE(MAX(" + projectColumn(TABLE_TABS, Tabs.LAST_USED) + "), " + projectColumn(TABLE_CLIENTS, Clients.LAST_MODIFIED) + ") AS last_used");
CLIENTS_RECENCY_PROJECTION_MAP = Collections.unmodifiableMap(map);
}
private static final String projectColumn(String table, String column) {
return table + "." + column;
}
private static final String selectColumn(String table, String column) {
return projectColumn(table, column) + " = ?";
}
@Override
public String getType(Uri uri) {
final int match = URI_MATCHER.match(uri);
trace("Getting URI type: " + uri);
switch (match) {
case TABS:
trace("URI is TABS: " + uri);
return Tabs.CONTENT_TYPE;
case TABS_ID:
trace("URI is TABS_ID: " + uri);
return Tabs.CONTENT_ITEM_TYPE;
case CLIENTS:
trace("URI is CLIENTS: " + uri);
return Clients.CONTENT_TYPE;
case CLIENTS_ID:
trace("URI is CLIENTS_ID: " + uri);
return Clients.CONTENT_ITEM_TYPE;
}
debug("URI has unrecognized type: " + uri);
return null;
}
@Override
@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 CLIENTS_ID:
trace("Delete on CLIENTS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case CLIENTS:
trace("Delete on CLIENTS: " + uri);
// Delete from both TABLE_TABS and TABLE_CLIENTS.
deleteValues(uri, selection, selectionArgs, TABLE_TABS);
deleted = deleteValues(uri, selection, selectionArgs, TABLE_CLIENTS);
break;
case TABS_ID:
trace("Delete on TABS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case TABS:
trace("Deleting on TABS: " + uri);
deleted = deleteValues(uri, selection, selectionArgs, TABLE_TABS);
break;
default:
throw new UnsupportedOperationException("Unknown delete URI " + uri);
}
debug("Deleted " + deleted + " rows for URI: " + uri);
return deleted;
}
@Override
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 CLIENTS:
String guid = values.getAsString(Clients.GUID);
debug("Inserting client in database with GUID: " + guid);
id = db.insertOrThrow(TABLE_CLIENTS, Clients.GUID, values);
break;
case TABS:
String url = values.getAsString(Tabs.URL);
debug("Inserting tab in database with URL: " + url);
id = db.insertOrThrow(TABLE_TABS, Tabs.TITLE, 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 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) {
case CLIENTS_ID:
trace("Update on CLIENTS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case CLIENTS:
trace("Update on CLIENTS: " + uri);
updated = updateValues(uri, values, selection, selectionArgs, TABLE_CLIENTS);
break;
case TABS_ID:
trace("Update on TABS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case TABS:
trace("Update on TABS: " + uri);
updated = updateValues(uri, values, selection, selectionArgs, TABLE_TABS);
break;
default:
throw new UnsupportedOperationException("Unknown update URI " + uri);
}
debug("Updated " + updated + " rows for URI: " + uri);
return updated;
}
@Override
@SuppressWarnings("fallthrough")
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
SQLiteDatabase db = getReadableDatabase(uri);
final int match = URI_MATCHER.match(uri);
String groupBy = null;
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT);
switch (match) {
case TABS_ID:
trace("Query is on TABS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_TABS, Tabs._ID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case TABS:
trace("Query is on TABS: " + uri);
if (TextUtils.isEmpty(sortOrder)) {
sortOrder = DEFAULT_TABS_SORT_ORDER;
} else {
debug("Using sort order " + sortOrder + ".");
}
qb.setProjectionMap(TABS_PROJECTION_MAP);
qb.setTables(TABLE_TABS + " LEFT OUTER JOIN " + TABLE_CLIENTS + " ON (" + TABLE_TABS + "." + Tabs.CLIENT_GUID + " = " + TABLE_CLIENTS + "." + Clients.GUID + ")");
break;
case CLIENTS_ID:
trace("Query is on CLIENTS_ID: " + uri);
selection = DBUtils.concatenateWhere(selection, selectColumn(TABLE_CLIENTS, Clients.ROWID));
selectionArgs = DBUtils.appendSelectionArgs(selectionArgs,
new String[] { Long.toString(ContentUris.parseId(uri)) });
// fall through
case CLIENTS:
trace("Query is on CLIENTS: " + uri);
if (TextUtils.isEmpty(sortOrder)) {
sortOrder = DEFAULT_CLIENTS_SORT_ORDER;
} else {
debug("Using sort order " + sortOrder + ".");
}
qb.setProjectionMap(CLIENTS_PROJECTION_MAP);
qb.setTables(TABLE_CLIENTS);
break;
case CLIENTS_RECENCY:
trace("Query is on CLIENTS_RECENCY: " + uri);
if (TextUtils.isEmpty(sortOrder)) {
sortOrder = DEFAULT_CLIENTS_RECENCY_SORT_ORDER;
} else {
debug("Using sort order " + sortOrder + ".");
}
final long oneWeekAgo = System.currentTimeMillis() - ONE_WEEK_IN_MILLISECONDS;
final long threeWeeksAgo = System.currentTimeMillis() - THREE_WEEKS_IN_MILLISECONDS;
final String excludeStaleClientsTable = String.format(EXCLUDE_STALE_CLIENTS_SUBQUERY, oneWeekAgo, threeWeeksAgo);
qb.setProjectionMap(CLIENTS_RECENCY_PROJECTION_MAP);
// Use a subquery to quietly exclude stale duplicate client records.
qb.setTables(excludeStaleClientsTable + " AS " + TABLE_CLIENTS + " LEFT OUTER JOIN " + TABLE_TABS +
" ON (" + projectColumn(TABLE_CLIENTS, Clients.GUID) +
" = " + projectColumn(TABLE_TABS,Tabs.CLIENT_GUID) + ")");
groupBy = projectColumn(TABLE_CLIENTS, Clients.GUID);
break;
default:
throw new UnsupportedOperationException("Unknown query URI " + uri);
}
trace("Running built query.");
final Cursor cursor = qb.query(db, projection, selection, selectionArgs, groupBy, null, sortOrder, limit);
cursor.setNotificationUri(getContext().getContentResolver(), BrowserContract.TABS_AUTHORITY_URI);
return cursor;
}
int updateValues(Uri uri, ContentValues values, String selection, String[] selectionArgs, String table) {
trace("Updating tabs on URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
beginWrite(db);
return db.update(table, values, selection, selectionArgs);
}
int deleteValues(Uri uri, String selection, String[] selectionArgs, String table) {
debug("Deleting tabs for URI: " + uri);
final SQLiteDatabase db = getWritableDatabase(uri);
beginWrite(db);
return db.delete(table, selection, selectionArgs);
}
}