80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/IDBRecord.h"
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#include "IDBObjectStore.h"
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#include "IndexedDatabaseInlines.h"
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#include "mozilla/dom/IDBRecordBinding.h"
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION(IDBRecord)
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IDBRecord::IDBRecord(indexedDB::Key aKey,
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indexedDB::StructuredCloneReadInfoChild&& aValue)
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: mRawKey(std::move(aKey)),
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mRawValue(std::move(aValue)),
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mPrimaryKeyAndKeyEqual(true) {}
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IDBRecord::IDBRecord(indexedDB::Key aKey, indexedDB::Key aPrimaryKey,
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indexedDB::StructuredCloneReadInfoChild&& aValue)
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: mRawKey(std::move(aKey)),
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mRawPrimaryKey(std::move(aPrimaryKey)),
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mRawValue(std::move(aValue)),
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mPrimaryKeyAndKeyEqual(false) {}
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bool IDBRecord::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
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JS::MutableHandle<JSObject*> aReflector) {
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return IDBRecord_Binding::Wrap(aCx, this, aGivenProto, aReflector);
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}
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void IDBRecord::GetKey(JSContext* aCx, JS::MutableHandle<JS::Value> aRetVal,
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ErrorResult& aRv) {
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MOZ_ASSERT(!mRawKey.IsUnset());
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nsresult rv = mRawKey.ToJSVal(aCx, aRetVal);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(rv);
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return;
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}
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// Clear key to save a bit of memory, since this attribute is [Cached] in
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// webidl.
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// Since key is also used when calling getPrimaryKey if record is coming
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// from an object store (mPrimaryKeyAndKeyEqual == true), make sure to keep
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// it alive in case getPrimaryKey hasn't been called (and cached) yet.
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if (!mPrimaryKeyAndKeyEqual ||
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(mPrimaryKeyAndKeyEqual && mGetPrimaryKeyCalled)) {
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mRawKey.Unset();
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}
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mGetKeyCalled = true;
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}
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void IDBRecord::GetPrimaryKey(JSContext* aCx,
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JS::MutableHandle<JS::Value> aRetVal,
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ErrorResult& aRv) {
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indexedDB::Key& key = mPrimaryKeyAndKeyEqual ? mRawKey : mRawPrimaryKey;
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MOZ_ASSERT(!key.IsUnset());
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nsresult rv = key.ToJSVal(aCx, aRetVal);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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aRv.Throw(rv);
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return;
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}
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// Clear key.
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if (!mPrimaryKeyAndKeyEqual || (mPrimaryKeyAndKeyEqual && mGetKeyCalled)) {
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key.Unset();
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}
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mGetPrimaryKeyCalled = true;
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}
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void IDBRecord::GetValue(JSContext* aCx, JS::MutableHandle<JS::Value> aRetVal,
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ErrorResult& aRv) {
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if (!IDBObjectStore::DeserializeValue(aCx, std::move(mRawValue), aRetVal)) {
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aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
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}
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}
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} // namespace mozilla::dom
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