gecko-dev/mobile/android/base/db/FormHistoryProvider.java
Chris Kitching 214c5a4c82 Bug 1081397: Finalise large numbers of fields. r=rnewman
* * *
Bug 1081397: Finalise large numbers of fields. r=rnewman
2014-10-11 00:17:01 +01:00

168 lines
5.2 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.lang.IllegalArgumentException;
import java.util.HashMap;
import org.mozilla.gecko.GeckoAppShell;
import org.mozilla.gecko.GeckoEvent;
import org.mozilla.gecko.db.BrowserContract.FormHistory;
import org.mozilla.gecko.db.BrowserContract.DeletedFormHistory;
import org.mozilla.gecko.db.BrowserContract;
import org.mozilla.gecko.sqlite.SQLiteBridge;
import org.mozilla.gecko.sync.Utils;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.net.Uri;
import android.text.TextUtils;
public class FormHistoryProvider extends SQLiteBridgeContentProvider {
static final String TABLE_FORM_HISTORY = "moz_formhistory";
static final String TABLE_DELETED_FORM_HISTORY = "moz_deleted_formhistory";
private static final int FORM_HISTORY = 100;
private static final int DELETED_FORM_HISTORY = 101;
private static final UriMatcher URI_MATCHER;
// This should be kept in sync with the db version in toolkit/components/satchel/nsFormHistory.js
private static final int DB_VERSION = 4;
private static final String DB_FILENAME = "formhistory.sqlite";
private static final String TELEMETRY_TAG = "SQLITEBRIDGE_PROVIDER_FORMS";
private static final String WHERE_GUID_IS_NULL = BrowserContract.DeletedFormHistory.GUID + " IS NULL";
private static final String WHERE_GUID_IS_VALUE = BrowserContract.DeletedFormHistory.GUID + " = ?";
private static final String LOG_TAG = "FormHistoryProvider";
static {
URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH);
URI_MATCHER.addURI(BrowserContract.FORM_HISTORY_AUTHORITY, "formhistory", FORM_HISTORY);
URI_MATCHER.addURI(BrowserContract.FORM_HISTORY_AUTHORITY, "deleted-formhistory", DELETED_FORM_HISTORY);
}
public FormHistoryProvider() {
super(LOG_TAG);
}
@Override
public String getType(Uri uri) {
final int match = URI_MATCHER.match(uri);
switch (match) {
case FORM_HISTORY:
return FormHistory.CONTENT_TYPE;
case DELETED_FORM_HISTORY:
return DeletedFormHistory.CONTENT_TYPE;
default:
throw new UnsupportedOperationException("Unknown type " + uri);
}
}
@Override
public String getTable(Uri uri) {
String table = null;
final int match = URI_MATCHER.match(uri);
switch (match) {
case DELETED_FORM_HISTORY:
table = TABLE_DELETED_FORM_HISTORY;
break;
case FORM_HISTORY:
table = TABLE_FORM_HISTORY;
break;
default:
throw new UnsupportedOperationException("Unknown table " + uri);
}
return table;
}
@Override
public String getSortOrder(Uri uri, String aRequested) {
if (!TextUtils.isEmpty(aRequested)) {
return aRequested;
}
return null;
}
@Override
public void setupDefaults(Uri uri, ContentValues values) {
int match = URI_MATCHER.match(uri);
long now = System.currentTimeMillis();
switch (match) {
case DELETED_FORM_HISTORY:
values.put(DeletedFormHistory.TIME_DELETED, now);
// Deleted entries must contain a guid
if (!values.containsKey(FormHistory.GUID)) {
throw new IllegalArgumentException("Must provide a GUID for a deleted form history");
}
break;
case FORM_HISTORY:
// Generate GUID for new entry. Don't override specified GUIDs.
if (!values.containsKey(FormHistory.GUID)) {
String guid = Utils.generateGuid();
values.put(FormHistory.GUID, guid);
}
break;
default:
throw new UnsupportedOperationException("Unknown insert URI " + uri);
}
}
@Override
public void initGecko() {
GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("FormHistory:Init", null));
}
@Override
public void onPreInsert(ContentValues values, Uri uri, SQLiteBridge db) {
if (!values.containsKey(FormHistory.GUID)) {
return;
}
String guid = values.getAsString(FormHistory.GUID);
if (guid == null) {
db.delete(TABLE_DELETED_FORM_HISTORY, WHERE_GUID_IS_NULL, null);
return;
}
String[] args = new String[] { guid };
db.delete(TABLE_DELETED_FORM_HISTORY, WHERE_GUID_IS_VALUE, args);
}
@Override
public void onPreUpdate(ContentValues values, Uri uri, SQLiteBridge db) { }
@Override
public void onPostQuery(Cursor cursor, Uri uri, SQLiteBridge db) { }
@Override
protected String getDBName(){
return DB_FILENAME;
}
@Override
protected String getTelemetryPrefix() {
return TELEMETRY_TAG;
}
@Override
protected int getDBVersion(){
return DB_VERSION;
}
}