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gecko-dev/dom/indexedDB/IDBIndex.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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 "IDBIndex.h"
#include "FileInfo.h"
#include "IDBCursor.h"
#include "IDBEvents.h"
#include "IDBKeyRange.h"
#include "IDBObjectStore.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
// Include this last to avoid path problems on Windows.
#include "ActorsChild.h"
namespace mozilla {
namespace dom {
using namespace mozilla::dom::indexedDB;
namespace {
already_AddRefed<IDBRequest>
GenerateRequest(JSContext* aCx, IDBIndex* aIndex)
{
MOZ_ASSERT(aIndex);
aIndex->AssertIsOnOwningThread();
IDBTransaction* transaction = aIndex->ObjectStore()->Transaction();
RefPtr<IDBRequest> request =
IDBRequest::Create(aCx, aIndex, transaction->Database(), transaction);
MOZ_ASSERT(request);
return request.forget();
}
} // namespace
IDBIndex::IDBIndex(IDBObjectStore* aObjectStore, const IndexMetadata* aMetadata)
: mObjectStore(aObjectStore)
, mCachedKeyPath(JS::UndefinedValue())
, mMetadata(aMetadata)
, mId(aMetadata->id())
, mRooted(false)
{
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
MOZ_ASSERT(aMetadata);
}
IDBIndex::~IDBIndex()
{
AssertIsOnOwningThread();
if (mRooted) {
mCachedKeyPath.setUndefined();
mozilla::DropJSObjects(this);
}
}
already_AddRefed<IDBIndex>
IDBIndex::Create(IDBObjectStore* aObjectStore,
const IndexMetadata& aMetadata)
{
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
RefPtr<IDBIndex> index = new IDBIndex(aObjectStore, &aMetadata);
return index.forget();
}
#ifdef DEBUG
void
IDBIndex::AssertIsOnOwningThread() const
{
MOZ_ASSERT(mObjectStore);
mObjectStore->AssertIsOnOwningThread();
}
#endif // DEBUG
void
IDBIndex::RefreshMetadata(bool aMayDelete)
{
AssertIsOnOwningThread();
MOZ_ASSERT_IF(mDeletedMetadata, mMetadata == mDeletedMetadata);
const nsTArray<IndexMetadata>& indexes = mObjectStore->Spec().indexes();
bool found = false;
for (uint32_t count = indexes.Length(), index = 0;
index < count;
index++) {
const IndexMetadata& metadata = indexes[index];
if (metadata.id() == Id()) {
mMetadata = &metadata;
found = true;
break;
}
}
MOZ_ASSERT_IF(!aMayDelete && !mDeletedMetadata, found);
if (found) {
MOZ_ASSERT(mMetadata != mDeletedMetadata);
mDeletedMetadata = nullptr;
} else {
NoteDeletion();
}
}
void
IDBIndex::NoteDeletion()
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
MOZ_ASSERT(Id() == mMetadata->id());
if (mDeletedMetadata) {
MOZ_ASSERT(mMetadata == mDeletedMetadata);
return;
}
mDeletedMetadata = new IndexMetadata(*mMetadata);
mMetadata = mDeletedMetadata;
}
const nsString&
IDBIndex::Name() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->name();
}
void
IDBIndex::SetName(const nsAString& aName, ErrorResult& aRv)
{
AssertIsOnOwningThread();
IDBTransaction* transaction = mObjectStore->Transaction();
if (transaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
if (!transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (aName == mMetadata->name()) {
return;
}
// Cache logging string of this index before renaming.
const LoggingString loggingOldIndex(this);
const int64_t indexId = Id();
nsresult rv =
transaction->Database()->RenameIndex(mObjectStore->Id(),
indexId,
aName);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"rename(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.rename()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
loggingOldIndex.get(),
IDB_LOG_STRINGIFY(this));
transaction->RenameIndex(mObjectStore, indexId, aName);
}
bool
IDBIndex::Unique() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->unique();
}
bool
IDBIndex::MultiEntry() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->multiEntry();
}
bool
IDBIndex::LocaleAware() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->locale().IsEmpty();
}
const indexedDB::KeyPath&
IDBIndex::GetKeyPath() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->keyPath();
}
void
IDBIndex::GetLocale(nsString& aLocale) const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
if (mMetadata->locale().IsEmpty()) {
SetDOMStringToNull(aLocale);
} else {
CopyASCIItoUTF16(mMetadata->locale(), aLocale);
}
}
const nsCString&
IDBIndex::Locale() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->locale();
}
bool
IDBIndex::IsAutoLocale() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mMetadata);
return mMetadata->autoLocale();
}
nsPIDOMWindowInner*
IDBIndex::GetParentObject() const
{
AssertIsOnOwningThread();
return mObjectStore->GetParentObject();
}
void
IDBIndex::GetKeyPath(JSContext* aCx,
JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (!mCachedKeyPath.isUndefined()) {
MOZ_ASSERT(mRooted);
aResult.set(mCachedKeyPath);
return;
}
MOZ_ASSERT(!mRooted);
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
aResult.set(mCachedKeyPath);
}
already_AddRefed<IDBRequest>
IDBIndex::GetInternal(bool aKeyOnly,
JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* transaction = mObjectStore->Transaction();
if (!transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for get() and getKey().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_KEY_ERR);
return nullptr;
}
const int64_t objectStoreId = mObjectStore->Id();
const int64_t indexId = Id();
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
RequestParams params;
if (aKeyOnly) {
params = IndexGetKeyParams(objectStoreId, indexId, serializedKeyRange);
} else {
params = IndexGetParams(objectStoreId, indexId, serializedKeyRange);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeyOnly) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getKey(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.getKey()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"get(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.get()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
}
transaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBIndex::GetAllInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* transaction = mObjectStore->Transaction();
if (!transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t objectStoreId = mObjectStore->Id();
const int64_t indexId = Id();
OptionalKeyRange optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange = serializedKeyRange;
} else {
optionalKeyRange = void_t();
}
const uint32_t limit = aLimit.WasPassed() ? aLimit.Value() : 0;
RequestParams params;
if (aKeysOnly) {
params = IndexGetAllKeysParams(objectStoreId, indexId, optionalKeyRange,
limit);
} else {
params = IndexGetAllParams(objectStoreId, indexId, optionalKeyRange, limit);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getAllKeys(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.getAllKeys()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"getAll(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.getAll()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
}
transaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBIndex::OpenCursorInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* transaction = mObjectStore->Transaction();
if (!transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aRange, getter_AddRefs(keyRange));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
int64_t objectStoreId = mObjectStore->Id();
int64_t indexId = Id();
OptionalKeyRange optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange = std::move(serializedKeyRange);
} else {
optionalKeyRange = void_t();
}
IDBCursor::Direction direction = IDBCursor::ConvertDirection(aDirection);
OpenCursorParams params;
if (aKeysOnly) {
IndexOpenKeyCursorParams openParams;
openParams.objectStoreId() = objectStoreId;
openParams.indexId() = indexId;
openParams.optionalKeyRange() = std::move(optionalKeyRange);
openParams.direction() = direction;
params = std::move(openParams);
} else {
IndexOpenCursorParams openParams;
openParams.objectStoreId() = objectStoreId;
openParams.indexId() = indexId;
openParams.optionalKeyRange() = std::move(optionalKeyRange);
openParams.direction() = direction;
params = std::move(openParams);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"openKeyCursor(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBIndex.openKeyCursor()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(direction));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"openCursor(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: "
"IDBObjectStore.openKeyCursor()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(direction));
}
BackgroundCursorChild* actor =
new BackgroundCursorChild(request, this, direction);
mObjectStore->Transaction()->OpenCursor(actor, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBIndex::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedMetadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* transaction = mObjectStore->Transaction();
if (!transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (aRv.Failed()) {
return nullptr;
}
IndexCountParams params;
params.objectStoreId() = mObjectStore->Id();
params.indexId() = Id();
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
params.optionalKeyRange() = serializedKeyRange;
} else {
params.optionalKeyRange() = void_t();
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"count(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.count()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(transaction->Database()),
IDB_LOG_STRINGIFY(transaction),
IDB_LOG_STRINGIFY(mObjectStore),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
transaction->StartRequest(request, params);
return request.forget();
}
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBIndex)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBIndex)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBIndex)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBIndex)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
// Don't unlink mObjectStore!
tmp->mCachedKeyPath.setUndefined();
if (tmp->mRooted) {
mozilla::DropJSObjects(tmp);
tmp->mRooted = false;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
JSObject*
IDBIndex::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return IDBIndex_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
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