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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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
#include "mozilla/dom/IDBRecord.h"
#include "IDBObjectStore.h"
#include "IndexedDatabaseInlines.h"
#include "mozilla/dom/IDBRecordBinding.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION(IDBRecord)
IDBRecord::IDBRecord(indexedDB::Key aKey,
indexedDB::StructuredCloneReadInfoChild&& aValue)
: mRawKey(std::move(aKey)),
mRawValue(std::move(aValue)),
mPrimaryKeyAndKeyEqual(true) {}
IDBRecord::IDBRecord(indexedDB::Key aKey, indexedDB::Key aPrimaryKey,
indexedDB::StructuredCloneReadInfoChild&& aValue)
: mRawKey(std::move(aKey)),
mRawPrimaryKey(std::move(aPrimaryKey)),
mRawValue(std::move(aValue)),
mPrimaryKeyAndKeyEqual(false) {}
bool IDBRecord::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aReflector) {
return IDBRecord_Binding::Wrap(aCx, this, aGivenProto, aReflector);
}
void IDBRecord::GetKey(JSContext* aCx, JS::MutableHandle<JS::Value> aRetVal,
ErrorResult& aRv) {
MOZ_ASSERT(!mRawKey.IsUnset());
nsresult rv = mRawKey.ToJSVal(aCx, aRetVal);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
// Clear key to save a bit of memory, since this attribute is [Cached] in
// webidl.
// Since key is also used when calling getPrimaryKey if record is coming
// from an object store (mPrimaryKeyAndKeyEqual == true), make sure to keep
// it alive in case getPrimaryKey hasn't been called (and cached) yet.
if (!mPrimaryKeyAndKeyEqual ||
(mPrimaryKeyAndKeyEqual && mGetPrimaryKeyCalled)) {
mRawKey.Unset();
}
mGetKeyCalled = true;
}
void IDBRecord::GetPrimaryKey(JSContext* aCx,
JS::MutableHandle<JS::Value> aRetVal,
ErrorResult& aRv) {
indexedDB::Key& key = mPrimaryKeyAndKeyEqual ? mRawKey : mRawPrimaryKey;
MOZ_ASSERT(!key.IsUnset());
nsresult rv = key.ToJSVal(aCx, aRetVal);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
// Clear key.
if (!mPrimaryKeyAndKeyEqual || (mPrimaryKeyAndKeyEqual && mGetKeyCalled)) {
key.Unset();
}
mGetPrimaryKeyCalled = true;
}
void IDBRecord::GetValue(JSContext* aCx, JS::MutableHandle<JS::Value> aRetVal,
ErrorResult& aRv) {
if (!IDBObjectStore::DeserializeValue(aCx, std::move(mRawValue), aRetVal)) {
aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
}
}
} // namespace mozilla::dom