gecko-dev/dom/indexedDB/IDBDatabase.cpp

965 строки
26 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
#include "base/basictypes.h"
#include "IDBDatabase.h"
#include "mozilla/Mutex.h"
#include "mozilla/storage.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "nsDOMClassInfo.h"
#include "nsDOMLists.h"
#include "nsJSUtils.h"
#include "nsProxyRelease.h"
#include "nsThreadUtils.h"
#include "AsyncConnectionHelper.h"
#include "DatabaseInfo.h"
#include "IDBEvents.h"
#include "IDBFactory.h"
#include "IDBFileHandle.h"
#include "IDBIndex.h"
#include "IDBObjectStore.h"
#include "IDBTransaction.h"
#include "IDBFactory.h"
#include "IndexedDatabaseManager.h"
#include "TransactionThreadPool.h"
#include "DictionaryHelpers.h"
#include "nsContentUtils.h"
#include "ipc/IndexedDBChild.h"
#include "ipc/IndexedDBParent.h"
USING_INDEXEDDB_NAMESPACE
using mozilla::dom::ContentParent;
using mozilla::dom::quota::QuotaManager;
namespace {
class NoRequestDatabaseHelper : public AsyncConnectionHelper
{
public:
NoRequestDatabaseHelper(IDBTransaction* aTransaction)
: AsyncConnectionHelper(aTransaction, nullptr)
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(aTransaction, "Null transaction!");
}
virtual ChildProcessSendResult
SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE;
virtual nsresult
UnpackResponseFromParentProcess(const ResponseValue& aResponseValue)
MOZ_OVERRIDE;
virtual nsresult OnSuccess() MOZ_OVERRIDE;
virtual void OnError() MOZ_OVERRIDE;
};
class CreateObjectStoreHelper : public NoRequestDatabaseHelper
{
public:
CreateObjectStoreHelper(IDBTransaction* aTransaction,
IDBObjectStore* aObjectStore)
: NoRequestDatabaseHelper(aTransaction), mObjectStore(aObjectStore)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
virtual void ReleaseMainThreadObjects() MOZ_OVERRIDE;
private:
nsRefPtr<IDBObjectStore> mObjectStore;
};
class DeleteObjectStoreHelper : public NoRequestDatabaseHelper
{
public:
DeleteObjectStoreHelper(IDBTransaction* aTransaction,
int64_t aObjectStoreId)
: NoRequestDatabaseHelper(aTransaction), mObjectStoreId(aObjectStoreId)
{ }
virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection)
MOZ_OVERRIDE;
private:
// In-params.
int64_t mObjectStoreId;
};
class CreateFileHelper : public AsyncConnectionHelper
{
public:
CreateFileHelper(IDBDatabase* aDatabase,
IDBRequest* aRequest,
const nsAString& aName,
const nsAString& aType)
: AsyncConnectionHelper(aDatabase, aRequest),
mName(aName), mType(aType)
{ }
~CreateFileHelper()
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
void ReleaseMainThreadObjects()
{
mFileInfo = nullptr;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
virtual ChildProcessSendResult SendResponseToChildProcess(
nsresult aResultCode)
MOZ_OVERRIDE
{
return Success_NotSent;
}
virtual nsresult UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
MOZ_OVERRIDE
{
MOZ_NOT_REACHED("Should never get here!");
return NS_ERROR_UNEXPECTED;
}
private:
// In-params.
nsString mName;
nsString mType;
// Out-params.
nsRefPtr<FileInfo> mFileInfo;
};
NS_STACK_CLASS
class AutoRemoveObjectStore
{
public:
AutoRemoveObjectStore(DatabaseInfo* aInfo, const nsAString& aName)
: mInfo(aInfo), mName(aName)
{ }
~AutoRemoveObjectStore()
{
if (mInfo) {
mInfo->RemoveObjectStore(mName);
}
}
void forget()
{
mInfo = nullptr;
}
private:
DatabaseInfo* mInfo;
nsString mName;
};
} // anonymous namespace
// static
already_AddRefed<IDBDatabase>
IDBDatabase::Create(IDBWrapperCache* aOwnerCache,
IDBFactory* aFactory,
already_AddRefed<DatabaseInfo> aDatabaseInfo,
const nsACString& aASCIIOrigin,
FileManager* aFileManager,
mozilla::dom::ContentParent* aContentParent)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aFactory, "Null pointer!");
NS_ASSERTION(!aASCIIOrigin.IsEmpty(), "Empty origin!");
nsRefPtr<DatabaseInfo> databaseInfo(aDatabaseInfo);
NS_ASSERTION(databaseInfo, "Null pointer!");
nsRefPtr<IDBDatabase> db(new IDBDatabase());
db->BindToOwner(aOwnerCache);
db->SetScriptOwner(aOwnerCache->GetScriptOwner());
db->mFactory = aFactory;
db->mDatabaseId = databaseInfo->id;
db->mName = databaseInfo->name;
db->mFilePath = databaseInfo->filePath;
databaseInfo.swap(db->mDatabaseInfo);
db->mASCIIOrigin = aASCIIOrigin;
db->mFileManager = aFileManager;
db->mContentParent = aContentParent;
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
NS_ASSERTION(mgr, "This should never be null!");
if (!mgr->RegisterDatabase(db)) {
// Either out of memory or shutting down.
return nullptr;
}
return db.forget();
}
IDBDatabase::IDBDatabase()
: mDatabaseId(0),
mActorChild(nullptr),
mActorParent(nullptr),
mContentParent(nullptr),
mInvalidated(false),
mRegistered(false),
mClosed(false),
mRunningVersionChange(false)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
}
IDBDatabase::~IDBDatabase()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!mActorParent, "Actor parent owns us, how can we be dying?!");
if (mActorChild) {
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mActorChild->Send__delete__(mActorChild);
NS_ASSERTION(!mActorChild, "Should have cleared in Send__delete__!");
}
if (mRegistered) {
CloseInternal(true);
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->UnregisterDatabase(this);
}
}
}
void
IDBDatabase::Invalidate()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (IsInvalidated()) {
return;
}
mInvalidated = true;
// Make sure we're closed too.
Close();
// When the IndexedDatabaseManager needs to invalidate databases, all it has
// is an origin, so we call into the quota manager here to cancel any prompts
// for our owner.
nsPIDOMWindow* owner = GetOwner();
if (owner) {
QuotaManager::CancelPromptsForWindow(owner);
}
DatabaseInfo::Remove(mDatabaseId);
// And let the child process know as well.
if (mActorParent) {
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mActorParent->Invalidate();
}
}
void
IDBDatabase::DisconnectFromActorParent()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
// Make sure we're closed too.
Close();
// Kill any outstanding prompts.
nsPIDOMWindow* owner = GetOwner();
if (owner) {
QuotaManager::CancelPromptsForWindow(owner);
}
}
void
IDBDatabase::CloseInternal(bool aIsDead)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mClosed) {
mClosed = true;
// If we're getting called from Unlink, avoid cloning the DatabaseInfo.
{
nsRefPtr<DatabaseInfo> previousInfo;
mDatabaseInfo.swap(previousInfo);
if (!aIsDead) {
nsRefPtr<DatabaseInfo> clonedInfo = previousInfo->Clone();
clonedInfo.swap(mDatabaseInfo);
}
}
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->OnDatabaseClosed(this);
}
// And let the parent process know as well.
if (mActorChild && !IsInvalidated()) {
NS_ASSERTION(!IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mActorChild->SendClose(aIsDead);
}
}
}
bool
IDBDatabase::IsClosed() const
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return mClosed;
}
void
IDBDatabase::EnterSetVersionTransaction()
{
NS_ASSERTION(!mRunningVersionChange, "How did that happen?");
mPreviousDatabaseInfo = mDatabaseInfo->Clone();
mRunningVersionChange = true;
}
void
IDBDatabase::ExitSetVersionTransaction()
{
NS_ASSERTION(mRunningVersionChange, "How did that happen?");
mPreviousDatabaseInfo = nullptr;
mRunningVersionChange = false;
}
void
IDBDatabase::RevertToPreviousState()
{
mDatabaseInfo = mPreviousDatabaseInfo;
mPreviousDatabaseInfo = nullptr;
}
void
IDBDatabase::OnUnlink()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
// We've been unlinked, at the very least we should be able to prevent further
// transactions from starting and unblock any other SetVersion callers.
CloseInternal(true);
// No reason for the IndexedDatabaseManager to track us any longer.
IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get();
if (mgr) {
mgr->UnregisterDatabase(this);
// Don't try to unregister again in the destructor.
mRegistered = false;
}
}
nsresult
IDBDatabase::CreateObjectStoreInternal(IDBTransaction* aTransaction,
const ObjectStoreInfoGuts& aInfo,
IDBObjectStore** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aTransaction, "Null transaction!");
DatabaseInfo* databaseInfo = aTransaction->DBInfo();
nsRefPtr<ObjectStoreInfo> newInfo = new ObjectStoreInfo();
*static_cast<ObjectStoreInfoGuts*>(newInfo.get()) = aInfo;
newInfo->nextAutoIncrementId = aInfo.autoIncrement ? 1 : 0;
newInfo->comittedAutoIncrementId = newInfo->nextAutoIncrementId;
if (!databaseInfo->PutObjectStore(newInfo)) {
NS_WARNING("Put failed!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
// Don't leave this in the hash if we fail below!
AutoRemoveObjectStore autoRemove(databaseInfo, newInfo->name);
nsRefPtr<IDBObjectStore> objectStore =
aTransaction->GetOrCreateObjectStore(newInfo->name, newInfo, true);
NS_ENSURE_TRUE(objectStore, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (IndexedDatabaseManager::IsMainProcess()) {
nsRefPtr<CreateObjectStoreHelper> helper =
new CreateObjectStoreHelper(aTransaction, objectStore);
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
autoRemove.forget();
objectStore.forget(_retval);
return NS_OK;
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFactory)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(IDBDatabase, IDBWrapperCache)
// Don't unlink mFactory!
// Do some cleanup.
tmp->OnUnlink();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBDatabase)
NS_INTERFACE_MAP_ENTRY(nsIIDBDatabase)
NS_INTERFACE_MAP_ENTRY(nsIFileStorage)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBDatabase)
NS_INTERFACE_MAP_END_INHERITING(IDBWrapperCache)
NS_IMPL_ADDREF_INHERITED(IDBDatabase, IDBWrapperCache)
NS_IMPL_RELEASE_INHERITED(IDBDatabase, IDBWrapperCache)
DOMCI_DATA(IDBDatabase, IDBDatabase)
NS_IMPL_EVENT_HANDLER(IDBDatabase, abort)
NS_IMPL_EVENT_HANDLER(IDBDatabase, error)
NS_IMPL_EVENT_HANDLER(IDBDatabase, versionchange)
NS_IMETHODIMP
IDBDatabase::GetName(nsAString& aName)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
aName.Assign(mName);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::GetVersion(uint64_t* aVersion)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
DatabaseInfo* info = Info();
*aVersion = info->version;
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::GetObjectStoreNames(nsIDOMDOMStringList** aObjectStores)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
DatabaseInfo* info = Info();
nsAutoTArray<nsString, 10> objectStoreNames;
if (!info->GetObjectStoreNames(objectStoreNames)) {
NS_WARNING("Couldn't get names!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsRefPtr<nsDOMStringList> list(new nsDOMStringList());
uint32_t count = objectStoreNames.Length();
for (uint32_t index = 0; index < count; index++) {
NS_ENSURE_TRUE(list->Add(objectStoreNames[index]),
NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
list.forget(aObjectStores);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::CreateObjectStore(const nsAString& aName,
const jsval& aOptions,
JSContext* aCx,
nsIIDBObjectStore** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
DatabaseInfo* databaseInfo = transaction->DBInfo();
mozilla::idl::IDBObjectStoreParameters params;
KeyPath keyPath(0);
nsresult rv;
if (!JSVAL_IS_VOID(aOptions) && !JSVAL_IS_NULL(aOptions)) {
rv = params.Init(aCx, &aOptions);
if (NS_FAILED(rv)) {
return rv;
}
// We need a default value here, which the XPIDL dictionary stuff doesn't
// support. WebIDL shall save us all!
JSBool hasProp = false;
JSObject* obj = JSVAL_TO_OBJECT(aOptions);
if (!JS_HasProperty(aCx, obj, "keyPath", &hasProp)) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (NS_FAILED(KeyPath::Parse(aCx, hasProp ? params.keyPath : JSVAL_NULL,
&keyPath))) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
}
if (databaseInfo->ContainsStoreName(aName)) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
if (!keyPath.IsAllowedForObjectStore(params.autoIncrement)) {
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
}
ObjectStoreInfoGuts guts;
guts.name = aName;
guts.id = databaseInfo->nextObjectStoreId++;
guts.keyPath = keyPath;
guts.autoIncrement = params.autoIncrement;
nsRefPtr<IDBObjectStore> objectStore;
rv = CreateObjectStoreInternal(transaction, guts,
getter_AddRefs(objectStore));
NS_ENSURE_SUCCESS(rv, rv);
objectStore.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::DeleteObjectStore(const nsAString& aName)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
DatabaseInfo* info = transaction->DBInfo();
ObjectStoreInfo* objectStoreInfo = info->GetObjectStore(aName);
if (!objectStoreInfo) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
nsresult rv;
if (IndexedDatabaseManager::IsMainProcess()) {
nsRefPtr<DeleteObjectStoreHelper> helper =
new DeleteObjectStoreHelper(transaction, objectStoreInfo->id);
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else {
IndexedDBTransactionChild* actor = transaction->GetActorChild();
NS_ASSERTION(actor, "Must have an actor here!");
actor->SendDeleteObjectStore(nsString(aName));
}
transaction->RemoveObjectStore(aName);
return NS_OK;
}
NS_IMETHODIMP
IDBDatabase::Transaction(const jsval& aStoreNames,
const nsAString& aMode,
JSContext* aCx,
uint8_t aOptionalArgCount,
nsIIDBTransaction** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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) {
uint32_t 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 (uint32_t 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 (uint32_t 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::MozCreateFileHandle(const nsAString& aName,
const nsAString& aType,
JSContext* aCx,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!IndexedDatabaseManager::IsMainProcess()) {
NS_WARNING("Not supported yet!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (IndexedDatabaseManager::IsShuttingDown()) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (mClosed) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
nsRefPtr<IDBRequest> request = IDBRequest::Create(nullptr, this, nullptr, aCx);
nsRefPtr<CreateFileHelper> helper =
new CreateFileHelper(this, request, aName, aType);
IndexedDatabaseManager* manager = IndexedDatabaseManager::Get();
NS_ASSERTION(manager, "We should definitely have a manager here");
nsresult rv = helper->Dispatch(manager->IOThread());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.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;
}
const nsACString&
IDBDatabase::StorageOrigin()
{
return Origin();
}
nsISupports*
IDBDatabase::StorageId()
{
return Id();
}
bool
IDBDatabase::IsStorageInvalidated()
{
return IsInvalidated();
}
bool
IDBDatabase::IsStorageShuttingDown()
{
return IndexedDatabaseManager::IsShuttingDown();
}
void
IDBDatabase::SetThreadLocals()
{
NS_ASSERTION(GetOwner(), "Should have owner!");
QuotaManager::SetCurrentWindow(GetOwner());
}
void
IDBDatabase::UnsetThreadLocals()
{
QuotaManager::SetCurrentWindow(nullptr);
}
nsresult
IDBDatabase::PostHandleEvent(nsEventChainPostVisitor& aVisitor)
{
return IndexedDatabaseManager::FireWindowOnError(GetOwner(), aVisitor);
}
AsyncConnectionHelper::ChildProcessSendResult
NoRequestDatabaseHelper::SendResponseToChildProcess(nsresult aResultCode)
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
return Success_NotSent;
}
nsresult
NoRequestDatabaseHelper::UnpackResponseFromParentProcess(
const ResponseValue& aResponseValue)
{
MOZ_NOT_REACHED("Should never get here!");
return NS_ERROR_UNEXPECTED;
}
nsresult
NoRequestDatabaseHelper::OnSuccess()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
return NS_OK;
}
void
NoRequestDatabaseHelper::OnError()
{
NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!");
mTransaction->Abort(GetResultCode());
}
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);
const KeyPath& keyPath = mObjectStore->GetKeyPath();
if (keyPath.IsValid()) {
nsAutoString keyPathSerialization;
keyPath.SerializeToString(keyPathSerialization);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
keyPathSerialization);
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;
}
void
CreateObjectStoreHelper::ReleaseMainThreadObjects()
{
mObjectStore = nullptr;
NoRequestDatabaseHelper::ReleaseMainThreadObjects();
}
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;
}
nsresult
CreateFileHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
FileManager* fileManager = mDatabase->Manager();
mFileInfo = fileManager->GetNewFileInfo();
NS_ENSURE_TRUE(mFileInfo, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
const int64_t& fileId = mFileInfo->Id();
nsCOMPtr<nsIFile> directory = fileManager->EnsureJournalDirectory();
NS_ENSURE_TRUE(directory, NS_ERROR_FAILURE);
nsCOMPtr<nsIFile> file = fileManager->GetFileForId(directory, fileId);
NS_ENSURE_TRUE(file, NS_ERROR_FAILURE);
nsresult rv = file->Create(nsIFile::NORMAL_FILE_TYPE, 0644);
NS_ENSURE_SUCCESS(rv, rv);
directory = fileManager->GetDirectory();
NS_ENSURE_TRUE(directory, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
file = fileManager->GetFileForId(directory, fileId);
NS_ENSURE_TRUE(file, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = file->Create(nsIFile::NORMAL_FILE_TYPE, 0644);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
CreateFileHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
nsRefPtr<IDBFileHandle> fileHandle =
IDBFileHandle::Create(mDatabase, mName, mType, mFileInfo.forget());
NS_ENSURE_TRUE(fileHandle, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return WrapNative(aCx, NS_ISUPPORTS_CAST(nsIDOMFileHandle*, fileHandle),
aVal);
}