void
IDBCursor::Continue(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult &aRv)
{
AssertIsOnOwningThread();
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (!mHaveValue || mContinueCalled) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
Key key;
aRv = key.SetFromJSVal(aCx, aKey);
if (aRv.Failed()) {
return;
}
if (!key.IsUnset()) {
switch (mDirection) {
case NEXT:
case NEXT_UNIQUE:
if (key <= mKey) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
break;
case PREV:
case PREV_UNIQUE:
if (key >= mKey) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
break;
default:
MOZ_CRASH("Unknown direction type!");
}
}
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
mRequest->SetLoggingSerialNumber(requestSerialNumber);
if (mType == Type_ObjectStore || mType == Type_ObjectStoreKey) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"cursor(%s).continue(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBCursor.continue()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(mSourceObjectStore),
IDB_LOG_STRINGIFY(mDirection),
IDB_LOG_STRINGIFY(key));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"index(%s).cursor(%s).continue(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBCursor.continue()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(mSourceIndex->ObjectStore()),
IDB_LOG_STRINGIFY(mSourceIndex),
IDB_LOG_STRINGIFY(mDirection),
IDB_LOG_STRINGIFY(key));
}
mBackgroundActor->SendContinueInternal(ContinueParams(key));
mContinueCalled = true;
}
void
IDBCursor::Continue(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult &aRv)
{
AssertIsOnOwningThread();
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (!mHaveValue || mContinueCalled) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
Key key;
aRv = key.SetFromJSVal(aCx, aKey);
if (aRv.Failed()) {
return;
}
if (!key.IsUnset()) {
switch (mDirection) {
case NEXT:
case NEXT_UNIQUE:
if (key <= mKey) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
break;
case PREV:
case PREV_UNIQUE:
if (key >= mKey) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
break;
default:
MOZ_CRASH("Unknown direction type!");
}
}
mBackgroundActor->SendContinueInternal(ContinueParams(key));
mContinueCalled = true;
#ifdef IDB_PROFILER_USE_MARKS
if (mType == Type_ObjectStore || mType == Type_ObjectStoreKey) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).cursor(%s)."
"continue(%s)",
"IDBRequest[%llu] MT IDBCursor.continue()",
Request()->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(mSourceObjectStore),
IDB_PROFILER_STRING(mDirection),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
} else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).index(%s)."
"cursor(%s).continue(%s)",
"IDBRequest[%llu] MT IDBCursor.continue()",
Request()->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(mSourceIndex->ObjectStore()),
IDB_PROFILER_STRING(mSourceIndex),
IDB_PROFILER_STRING(mDirection),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
#endif
}
