зеркало из https://github.com/mozilla/pjs.git
783 строки
22 KiB
C++
783 строки
22 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Indexed Database.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Turner <bent.mozilla@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "IDBDatabase.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/storage.h"
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#include "nsDOMClassInfo.h"
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#include "nsDOMLists.h"
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#include "nsEventDispatcher.h"
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#include "nsJSUtils.h"
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#include "nsProxyRelease.h"
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#include "nsThreadUtils.h"
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#include "AsyncConnectionHelper.h"
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#include "CheckQuotaHelper.h"
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#include "DatabaseInfo.h"
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#include "IDBEvents.h"
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#include "IDBIndex.h"
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#include "IDBObjectStore.h"
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#include "IDBTransaction.h"
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#include "IDBFactory.h"
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#include "IndexedDatabaseManager.h"
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#include "TransactionThreadPool.h"
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#include "DictionaryHelpers.h"
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#include "nsDOMEventTargetHelper.h"
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USING_INDEXEDDB_NAMESPACE
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namespace {
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class CreateObjectStoreHelper : public AsyncConnectionHelper
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{
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public:
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CreateObjectStoreHelper(IDBTransaction* aTransaction,
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IDBObjectStore* aObjectStore)
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: AsyncConnectionHelper(aTransaction, nsnull), mObjectStore(aObjectStore)
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{ }
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nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
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nsresult OnSuccess()
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{
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return NS_OK;
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}
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void OnError()
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{
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NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
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}
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void ReleaseMainThreadObjects()
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{
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mObjectStore = nsnull;
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AsyncConnectionHelper::ReleaseMainThreadObjects();
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}
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private:
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nsRefPtr<IDBObjectStore> mObjectStore;
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};
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class DeleteObjectStoreHelper : public AsyncConnectionHelper
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{
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public:
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DeleteObjectStoreHelper(IDBTransaction* aTransaction,
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PRInt64 aObjectStoreId)
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: AsyncConnectionHelper(aTransaction, nsnull), mObjectStoreId(aObjectStoreId)
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{ }
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nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
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nsresult OnSuccess()
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{
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return NS_OK;
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}
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void OnError()
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{
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NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
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}
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private:
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// In-params.
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PRInt64 mObjectStoreId;
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};
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NS_STACK_CLASS
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class AutoRemoveObjectStore
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{
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public:
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AutoRemoveObjectStore(DatabaseInfo* aInfo, const nsAString& aName)
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: mInfo(aInfo), mName(aName)
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{ }
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~AutoRemoveObjectStore()
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{
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if (mInfo) {
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mInfo->RemoveObjectStore(mName);
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}
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}
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void forget()
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{
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mInfo = nsnull;
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}
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private:
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DatabaseInfo* mInfo;
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nsString mName;
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};
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} // anonymous namespace
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// static
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already_AddRefed<IDBDatabase>
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IDBDatabase::Create(IDBWrapperCache* aOwnerCache,
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already_AddRefed<DatabaseInfo> aDatabaseInfo,
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const nsACString& aASCIIOrigin,
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FileManager* aFileManager)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(!aASCIIOrigin.IsEmpty(), "Empty origin!");
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nsRefPtr<DatabaseInfo> databaseInfo(aDatabaseInfo);
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NS_ASSERTION(databaseInfo, "Null pointer!");
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nsRefPtr<IDBDatabase> db(new IDBDatabase());
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db->BindToOwner(aOwnerCache);
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if (!db->SetScriptOwner(aOwnerCache->GetScriptOwner())) {
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return nsnull;
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}
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db->mDatabaseId = databaseInfo->id;
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db->mName = databaseInfo->name;
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db->mFilePath = databaseInfo->filePath;
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databaseInfo.swap(db->mDatabaseInfo);
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db->mASCIIOrigin = aASCIIOrigin;
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db->mFileManager = aFileManager;
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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NS_ASSERTION(mgr, "This should never be null!");
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if (!mgr->RegisterDatabase(db)) {
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// Either out of memory or shutting down.
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return nsnull;
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}
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return db.forget();
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}
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IDBDatabase::IDBDatabase()
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: mDatabaseId(0),
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mInvalidated(0),
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mRegistered(false),
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mClosed(false),
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mRunningVersionChange(false)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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}
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IDBDatabase::~IDBDatabase()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (mRegistered) {
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CloseInternal(true);
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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if (mgr) {
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mgr->UnregisterDatabase(this);
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}
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}
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nsContentUtils::ReleaseWrapper(static_cast<nsIDOMEventTarget*>(this), this);
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}
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void
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IDBDatabase::Invalidate()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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// Make sure we're closed too.
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Close();
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// When the IndexedDatabaseManager needs to invalidate databases, all it has
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// is an origin, so we call back into the manager to cancel any prompts for
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// our owner.
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IndexedDatabaseManager::CancelPromptsForWindow(GetOwner());
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mInvalidated = true;
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}
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bool
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IDBDatabase::IsInvalidated()
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{
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return !!mInvalidated;
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}
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void
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IDBDatabase::CloseInternal(bool aIsDead)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (!mClosed) {
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// If we're getting called from Unlink, avoid cloning the DatabaseInfo.
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{
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nsRefPtr<DatabaseInfo> previousInfo;
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mDatabaseInfo.swap(previousInfo);
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if (!aIsDead) {
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nsRefPtr<DatabaseInfo> clonedInfo = previousInfo->Clone();
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clonedInfo.swap(mDatabaseInfo);
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}
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}
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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if (mgr) {
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mgr->OnDatabaseClosed(this);
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}
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mClosed = true;
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}
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}
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bool
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IDBDatabase::IsClosed()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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return mClosed;
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}
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void
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IDBDatabase::EnterSetVersionTransaction()
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{
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NS_ASSERTION(!mRunningVersionChange, "How did that happen?");
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mRunningVersionChange = true;
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}
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void
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IDBDatabase::ExitSetVersionTransaction()
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{
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NS_ASSERTION(mRunningVersionChange, "How did that happen?");
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mRunningVersionChange = false;
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}
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void
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IDBDatabase::OnUnlink()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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NS_ASSERTION(!GetOwner() && !GetScriptOwner(),
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"Should have been cleared already!");
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// We've been unlinked, at the very least we should be able to prevent further
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// transactions from starting and unblock any other SetVersion callers.
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CloseInternal(true);
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// No reason for the IndexedDatabaseManager to track us any longer.
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IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
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if (mgr) {
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mgr->UnregisterDatabase(this);
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// Don't try to unregister again in the destructor.
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mRegistered = false;
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}
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(IDBDatabase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
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NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(abort)
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NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(error)
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NS_CYCLE_COLLECTION_TRAVERSE_EVENT_HANDLER(versionchange)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
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NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(abort)
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NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(error)
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NS_CYCLE_COLLECTION_UNLINK_EVENT_HANDLER(versionchange)
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// Do some cleanup.
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tmp->OnUnlink();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBDatabase)
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NS_INTERFACE_MAP_ENTRY(nsIIDBDatabase)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBDatabase)
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NS_INTERFACE_MAP_END_INHERITING(IDBWrapperCache)
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NS_IMPL_ADDREF_INHERITED(IDBDatabase, IDBWrapperCache)
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NS_IMPL_RELEASE_INHERITED(IDBDatabase, IDBWrapperCache)
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DOMCI_DATA(IDBDatabase, IDBDatabase)
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NS_IMPL_EVENT_HANDLER(IDBDatabase, abort);
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NS_IMPL_EVENT_HANDLER(IDBDatabase, error);
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NS_IMPL_EVENT_HANDLER(IDBDatabase, versionchange);
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NS_IMETHODIMP
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IDBDatabase::GetName(nsAString& aName)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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aName.Assign(mName);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBDatabase::GetVersion(PRUint64* aVersion)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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DatabaseInfo* info = Info();
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*aVersion = info->version;
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBDatabase::GetObjectStoreNames(nsIDOMDOMStringList** aObjectStores)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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DatabaseInfo* info = Info();
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nsAutoTArray<nsString, 10> objectStoreNames;
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if (!info->GetObjectStoreNames(objectStoreNames)) {
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NS_WARNING("Couldn't get names!");
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return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
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}
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nsRefPtr<nsDOMStringList> list(new nsDOMStringList());
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PRUint32 count = objectStoreNames.Length();
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for (PRUint32 index = 0; index < count; index++) {
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NS_ENSURE_TRUE(list->Add(objectStoreNames[index]),
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NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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}
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list.forget(aObjectStores);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBDatabase::CreateObjectStore(const nsAString& aName,
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const jsval& aOptions,
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JSContext* aCx,
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nsIIDBObjectStore** _retval)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
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if (!transaction ||
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transaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
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return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
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}
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DatabaseInfo* databaseInfo = transaction->DBInfo();
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mozilla::dom::IDBObjectStoreParameters params;
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nsString keyPath;
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keyPath.SetIsVoid(true);
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nsTArray<nsString> keyPathArray;
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if (!JSVAL_IS_VOID(aOptions) && !JSVAL_IS_NULL(aOptions)) {
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nsresult rv = params.Init(aCx, &aOptions);
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NS_ENSURE_SUCCESS(rv, rv);
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// Get keyPath
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jsval val = params.keyPath;
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if (!JSVAL_IS_VOID(val) && !JSVAL_IS_NULL(val)) {
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if (!JSVAL_IS_PRIMITIVE(val) &&
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JS_IsArrayObject(aCx, JSVAL_TO_OBJECT(val))) {
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JSObject* obj = JSVAL_TO_OBJECT(val);
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uint32_t length;
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if (!JS_GetArrayLength(aCx, obj, &length)) {
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return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
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}
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if (!length) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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keyPathArray.SetCapacity(length);
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for (uint32_t index = 0; index < length; index++) {
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jsval val;
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JSString* jsstr;
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nsDependentJSString str;
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if (!JS_GetElement(aCx, obj, index, &val) ||
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!(jsstr = JS_ValueToString(aCx, val)) ||
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!str.init(aCx, jsstr)) {
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return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
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}
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if (!IDBObjectStore::IsValidKeyPath(aCx, str)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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keyPathArray.AppendElement(str);
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}
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NS_ASSERTION(!keyPathArray.IsEmpty(), "This shouldn't have happened!");
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}
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else {
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JSString* jsstr;
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nsDependentJSString str;
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if (!(jsstr = JS_ValueToString(aCx, val)) ||
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!str.init(aCx, jsstr)) {
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return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
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}
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if (!IDBObjectStore::IsValidKeyPath(aCx, str)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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keyPath = str;
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}
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}
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}
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if (databaseInfo->ContainsStoreName(aName)) {
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return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
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}
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if (params.autoIncrement &&
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((!keyPath.IsVoid() && keyPath.IsEmpty()) || !keyPathArray.IsEmpty())) {
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return NS_ERROR_DOM_INVALID_ACCESS_ERR;
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}
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nsRefPtr<ObjectStoreInfo> newInfo(new ObjectStoreInfo());
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newInfo->name = aName;
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newInfo->id = databaseInfo->nextObjectStoreId++;
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newInfo->keyPath = keyPath;
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newInfo->keyPathArray = keyPathArray;
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newInfo->nextAutoIncrementId = params.autoIncrement ? 1 : 0;
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newInfo->comittedAutoIncrementId = newInfo->nextAutoIncrementId;
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if (!databaseInfo->PutObjectStore(newInfo)) {
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NS_WARNING("Put failed!");
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return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
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}
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// Don't leave this in the hash if we fail below!
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AutoRemoveObjectStore autoRemove(databaseInfo, aName);
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nsRefPtr<IDBObjectStore> objectStore =
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transaction->GetOrCreateObjectStore(aName, newInfo);
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NS_ENSURE_TRUE(objectStore, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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nsRefPtr<CreateObjectStoreHelper> helper =
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new CreateObjectStoreHelper(transaction, objectStore);
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nsresult rv = helper->DispatchToTransactionPool();
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NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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autoRemove.forget();
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objectStore.forget(_retval);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBDatabase::DeleteObjectStore(const nsAString& aName)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
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if (!transaction ||
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transaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
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return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
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}
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DatabaseInfo* info = transaction->DBInfo();
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ObjectStoreInfo* objectStoreInfo = info->GetObjectStore(aName);
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if (!objectStoreInfo) {
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return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
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}
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nsRefPtr<DeleteObjectStoreHelper> helper =
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new DeleteObjectStoreHelper(transaction, objectStoreInfo->id);
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nsresult rv = helper->DispatchToTransactionPool();
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NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
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transaction->RemoveObjectStore(aName);
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return NS_OK;
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}
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NS_IMETHODIMP
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IDBDatabase::Transaction(const jsval& aStoreNames,
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const nsAString& aMode,
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JSContext* aCx,
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PRUint8 aOptionalArgCount,
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nsIIDBTransaction** _retval)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (IndexedDatabaseManager::IsShuttingDown()) {
|
|
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
|
|
}
|
|
|
|
if (mClosed) {
|
|
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
|
|
}
|
|
|
|
if (mRunningVersionChange) {
|
|
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
|
|
}
|
|
|
|
IDBTransaction::Mode transactionMode = IDBTransaction::READ_ONLY;
|
|
if (aOptionalArgCount) {
|
|
if (aMode.EqualsLiteral("readwrite")) {
|
|
transactionMode = IDBTransaction::READ_WRITE;
|
|
}
|
|
else if (!aMode.EqualsLiteral("readonly")) {
|
|
return NS_ERROR_TYPE_ERR;
|
|
}
|
|
}
|
|
|
|
nsresult rv;
|
|
nsTArray<nsString> storesToOpen;
|
|
|
|
if (!JSVAL_IS_PRIMITIVE(aStoreNames)) {
|
|
JSObject* obj = JSVAL_TO_OBJECT(aStoreNames);
|
|
|
|
// See if this is a JS array.
|
|
if (JS_IsArrayObject(aCx, obj)) {
|
|
uint32_t length;
|
|
if (!JS_GetArrayLength(aCx, obj, &length)) {
|
|
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
|
|
}
|
|
|
|
if (!length) {
|
|
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
|
|
}
|
|
|
|
storesToOpen.SetCapacity(length);
|
|
|
|
for (uint32_t index = 0; index < length; index++) {
|
|
jsval val;
|
|
JSString* jsstr;
|
|
nsDependentJSString str;
|
|
if (!JS_GetElement(aCx, obj, index, &val) ||
|
|
!(jsstr = JS_ValueToString(aCx, val)) ||
|
|
!str.init(aCx, jsstr)) {
|
|
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
|
|
}
|
|
|
|
storesToOpen.AppendElement(str);
|
|
}
|
|
|
|
NS_ASSERTION(!storesToOpen.IsEmpty(),
|
|
"Must have something here or else code below will "
|
|
"misbehave!");
|
|
}
|
|
else {
|
|
// Perhaps some kind of wrapped object?
|
|
nsIXPConnect* xpc = nsContentUtils::XPConnect();
|
|
NS_ASSERTION(xpc, "This should never be null!");
|
|
|
|
nsCOMPtr<nsIXPConnectWrappedNative> wrapper;
|
|
rv = xpc->GetWrappedNativeOfJSObject(aCx, obj, getter_AddRefs(wrapper));
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
if (wrapper) {
|
|
nsISupports* wrappedObject = wrapper->Native();
|
|
NS_ENSURE_TRUE(wrappedObject, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
// We only accept DOMStringList.
|
|
nsCOMPtr<nsIDOMDOMStringList> list = do_QueryInterface(wrappedObject);
|
|
if (list) {
|
|
PRUint32 length;
|
|
rv = list->GetLength(&length);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
if (!length) {
|
|
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
|
|
}
|
|
|
|
storesToOpen.SetCapacity(length);
|
|
|
|
for (PRUint32 index = 0; index < length; index++) {
|
|
nsString* item = storesToOpen.AppendElement();
|
|
NS_ASSERTION(item, "This should never fail!");
|
|
|
|
rv = list->Item(index, *item);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
}
|
|
|
|
NS_ASSERTION(!storesToOpen.IsEmpty(),
|
|
"Must have something here or else code below will "
|
|
"misbehave!");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If our list is empty here then the argument must have been an object that
|
|
// we don't support or a primitive. Either way we convert to a string.
|
|
if (storesToOpen.IsEmpty()) {
|
|
JSString* jsstr;
|
|
nsDependentJSString str;
|
|
if (!(jsstr = JS_ValueToString(aCx, aStoreNames)) ||
|
|
!str.init(aCx, jsstr)) {
|
|
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
|
|
}
|
|
|
|
storesToOpen.AppendElement(str);
|
|
}
|
|
|
|
// Now check to make sure the object store names we collected actually exist.
|
|
DatabaseInfo* info = Info();
|
|
for (PRUint32 index = 0; index < storesToOpen.Length(); index++) {
|
|
if (!info->ContainsStoreName(storesToOpen[index])) {
|
|
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
|
|
}
|
|
}
|
|
|
|
nsRefPtr<IDBTransaction> transaction =
|
|
IDBTransaction::Create(this, storesToOpen, transactionMode, false);
|
|
NS_ENSURE_TRUE(transaction, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
transaction.forget(_retval);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
IDBDatabase::Close()
|
|
{
|
|
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
|
|
|
|
CloseInternal(false);
|
|
|
|
NS_ASSERTION(mClosed, "Should have set the closed flag!");
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
IDBDatabase::PostHandleEvent(nsEventChainPostVisitor& aVisitor)
|
|
{
|
|
NS_ENSURE_TRUE(aVisitor.mDOMEvent, NS_ERROR_UNEXPECTED);
|
|
|
|
if (!GetOwner()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aVisitor.mEventStatus != nsEventStatus_eConsumeNoDefault) {
|
|
nsString type;
|
|
nsresult rv = aVisitor.mDOMEvent->GetType(type);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (type.EqualsLiteral(ERROR_EVT_STR)) {
|
|
nsRefPtr<nsDOMEvent> duplicateEvent =
|
|
CreateGenericEvent(type, eDoesNotBubble, eNotCancelable);
|
|
NS_ENSURE_STATE(duplicateEvent);
|
|
|
|
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(GetOwner()));
|
|
NS_ASSERTION(target, "How can this happen?!");
|
|
|
|
bool dummy;
|
|
rv = target->DispatchEvent(duplicateEvent, &dummy);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
CreateObjectStoreHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
|
|
{
|
|
nsCOMPtr<mozIStorageStatement> stmt =
|
|
mTransaction->GetCachedStatement(NS_LITERAL_CSTRING(
|
|
"INSERT INTO object_store (id, auto_increment, name, key_path) "
|
|
"VALUES (:id, :auto_increment, :name, :key_path)"
|
|
));
|
|
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
mozStorageStatementScoper scoper(stmt);
|
|
|
|
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"),
|
|
mObjectStore->Id());
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("auto_increment"),
|
|
mObjectStore->IsAutoIncrement() ? 1 : 0);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mObjectStore->Name());
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
if (mObjectStore->UsesKeyPathArray()) {
|
|
// We use a comma in the beginning to indicate that it's an array of
|
|
// key paths. This is to be able to tell a string-keypath from an
|
|
// array-keypath which contains only one item.
|
|
// It also makes serializing easier :-)
|
|
nsAutoString keyPath;
|
|
const nsTArray<nsString>& keyPaths = mObjectStore->KeyPathArray();
|
|
for (PRUint32 i = 0; i < keyPaths.Length(); ++i) {
|
|
keyPath.Append(NS_LITERAL_STRING(",") + keyPaths[i]);
|
|
}
|
|
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
|
|
keyPath);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
}
|
|
else if (mObjectStore->HasKeyPath()) {
|
|
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
|
|
mObjectStore->KeyPath());
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
}
|
|
else {
|
|
rv = stmt->BindNullByName(NS_LITERAL_CSTRING("key_path"));
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
}
|
|
|
|
|
|
rv = stmt->Execute();
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
DeleteObjectStoreHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
|
|
{
|
|
nsCOMPtr<mozIStorageStatement> stmt =
|
|
mTransaction->GetCachedStatement(NS_LITERAL_CSTRING(
|
|
"DELETE FROM object_store "
|
|
"WHERE id = :id "
|
|
));
|
|
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
mozStorageStatementScoper scoper(stmt);
|
|
|
|
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"), mObjectStoreId);
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
rv = stmt->Execute();
|
|
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
|
|
|
|
return NS_OK;
|
|
}
|