mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
300 lines
7.9 KiB
C++
300 lines
7.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 "base/basictypes.h"
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#include "IDBKeyRange.h"
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#include "nsIXPConnect.h"
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#include "nsJSUtils.h"
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#include "nsThreadUtils.h"
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#include "nsContentUtils.h"
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#include "nsDOMClassInfoID.h"
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#include "Key.h"
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#include "mozilla/dom/indexedDB/PIndexedDBIndex.h"
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#include "mozilla/dom/indexedDB/PIndexedDBObjectStore.h"
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#include "mozilla/dom/IDBKeyRangeBinding.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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USING_INDEXEDDB_NAMESPACE
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using namespace mozilla::dom::indexedDB::ipc;
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static inline nsresult
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GetKeyFromJSVal(JSContext* aCx,
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JS::Handle<JS::Value> aVal,
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Key& aKey,
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bool aAllowUnset = false)
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{
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nsresult rv = aKey.SetFromJSVal(aCx, aVal);
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if (NS_FAILED(rv)) {
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NS_ASSERTION(NS_ERROR_GET_MODULE(rv) == NS_ERROR_MODULE_DOM_INDEXEDDB,
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"Bad error code!");
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return rv;
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}
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if (aKey.IsUnset() && !aAllowUnset) {
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return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
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}
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return NS_OK;
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}
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JSObject*
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IDBKeyRange::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
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{
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return IDBKeyRangeBinding::Wrap(aCx, aScope, this);
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}
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/* static */ already_AddRefed<IDBKeyRange>
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IDBKeyRange::Only(const GlobalObject& aGlobal, JSContext* aCx,
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JS::Handle<JS::Value> aValue, ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<IDBKeyRange> keyRange = new IDBKeyRange(aGlobal.Get(), false, false, true);
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aRv = GetKeyFromJSVal(aCx, aValue, keyRange->Lower());
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if (aRv.Failed()) {
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return nullptr;
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}
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return keyRange.forget();
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}
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/* static */ already_AddRefed<IDBKeyRange>
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IDBKeyRange::LowerBound(const GlobalObject& aGlobal, JSContext* aCx,
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JS::Handle<JS::Value> aValue, bool aOpen,
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ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<IDBKeyRange> keyRange = new IDBKeyRange(aGlobal.Get(), aOpen, true, false);
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aRv = GetKeyFromJSVal(aCx, aValue, keyRange->Lower());
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if (aRv.Failed()) {
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return nullptr;
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}
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return keyRange.forget();
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}
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/* static */ already_AddRefed<IDBKeyRange>
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IDBKeyRange::UpperBound(const GlobalObject& aGlobal, JSContext* aCx,
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JS::Handle<JS::Value> aValue, bool aOpen,
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ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<IDBKeyRange> keyRange = new IDBKeyRange(aGlobal.Get(), true, aOpen, false);
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aRv = GetKeyFromJSVal(aCx, aValue, keyRange->Upper());
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if (aRv.Failed()) {
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return nullptr;
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}
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return keyRange.forget();
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}
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/* static */ already_AddRefed<IDBKeyRange>
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IDBKeyRange::Bound(const GlobalObject& aGlobal, JSContext* aCx,
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JS::Handle<JS::Value> aLower, JS::Handle<JS::Value> aUpper,
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bool aLowerOpen, bool aUpperOpen, ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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nsRefPtr<IDBKeyRange> keyRange = new IDBKeyRange(aGlobal.Get(), aLowerOpen,
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aUpperOpen, false);
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aRv = GetKeyFromJSVal(aCx, aLower, keyRange->Lower());
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if (aRv.Failed()) {
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return nullptr;
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}
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aRv = GetKeyFromJSVal(aCx, aUpper, keyRange->Upper());
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if (aRv.Failed()) {
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return nullptr;
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}
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if (keyRange->Lower() > keyRange->Upper() ||
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(keyRange->Lower() == keyRange->Upper() && (aLowerOpen || aUpperOpen))) {
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aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
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return nullptr;
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}
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return keyRange.forget();
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}
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// static
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nsresult
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IDBKeyRange::FromJSVal(JSContext* aCx,
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const jsval& aValue,
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IDBKeyRange** aKeyRange)
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{
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JS::Rooted<JS::Value> value(aCx, aValue);
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nsRefPtr<IDBKeyRange> keyRange;
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if (value.isNullOrUndefined()) {
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// undefined and null returns no IDBKeyRange.
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}
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else if (value.isPrimitive() ||
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JS_IsArrayObject(aCx, &value.toObject()) ||
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JS_ObjectIsDate(aCx, &value.toObject())) {
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// A valid key returns an 'only' IDBKeyRange.
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keyRange = new IDBKeyRange(nullptr, false, false, true);
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nsresult rv = GetKeyFromJSVal(aCx, value, keyRange->Lower());
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if (NS_FAILED(rv)) {
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return rv;
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}
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}
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else {
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MOZ_ASSERT(value.isObject());
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// An object is not permitted unless it's another IDBKeyRange.
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if (NS_FAILED(UnwrapObject<IDBKeyRange>(aCx, &value.toObject(),
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keyRange))) {
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return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
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}
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}
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keyRange.forget(aKeyRange);
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return NS_OK;
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}
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// static
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template <class T>
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already_AddRefed<IDBKeyRange>
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IDBKeyRange::FromSerializedKeyRange(const T& aKeyRange)
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{
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nsRefPtr<IDBKeyRange> keyRange =
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new IDBKeyRange(nullptr, aKeyRange.lowerOpen(), aKeyRange.upperOpen(),
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aKeyRange.isOnly());
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keyRange->Lower() = aKeyRange.lower();
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if (!keyRange->IsOnly()) {
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keyRange->Upper() = aKeyRange.upper();
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}
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return keyRange.forget();
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}
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template <class T>
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void
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IDBKeyRange::ToSerializedKeyRange(T& aKeyRange)
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{
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aKeyRange.lowerOpen() = IsLowerOpen();
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aKeyRange.upperOpen() = IsUpperOpen();
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aKeyRange.isOnly() = IsOnly();
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aKeyRange.lower() = Lower();
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if (!IsOnly()) {
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aKeyRange.upper() = Upper();
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}
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}
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBKeyRange)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBKeyRange)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mCachedLowerVal)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JSVAL_MEMBER_CALLBACK(mCachedUpperVal)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBKeyRange)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
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tmp->DropJSObjects();
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBKeyRange)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBKeyRange)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBKeyRange)
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void
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IDBKeyRange::DropJSObjects()
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{
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if (!mRooted) {
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return;
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}
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mCachedLowerVal = JSVAL_VOID;
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mCachedUpperVal = JSVAL_VOID;
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mHaveCachedLowerVal = false;
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mHaveCachedUpperVal = false;
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mRooted = false;
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NS_DROP_JS_OBJECTS(this, IDBKeyRange);
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}
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IDBKeyRange::~IDBKeyRange()
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{
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DropJSObjects();
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}
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JS::Value
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IDBKeyRange::GetLower(JSContext* aCx, ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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if (!mHaveCachedLowerVal) {
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if (!mRooted) {
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NS_HOLD_JS_OBJECTS(this, IDBKeyRange);
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mRooted = true;
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}
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aRv = Lower().ToJSVal(aCx, mCachedLowerVal);
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if (aRv.Failed()) {
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return JS::UndefinedValue();
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}
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mHaveCachedLowerVal = true;
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}
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return mCachedLowerVal;
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}
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JS::Value
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IDBKeyRange::GetUpper(JSContext* aCx, ErrorResult& aRv)
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{
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MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
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if (!mHaveCachedUpperVal) {
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if (!mRooted) {
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NS_HOLD_JS_OBJECTS(this, IDBKeyRange);
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mRooted = true;
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}
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aRv = Upper().ToJSVal(aCx, mCachedUpperVal);
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if (aRv.Failed()) {
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return JS::UndefinedValue();
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}
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mHaveCachedUpperVal = true;
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}
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return mCachedUpperVal;
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}
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// Explicitly instantiate for all our key range types... Grumble.
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template already_AddRefed<IDBKeyRange>
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IDBKeyRange::FromSerializedKeyRange<FIXME_Bug_521898_objectstore::KeyRange>
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(const FIXME_Bug_521898_objectstore::KeyRange& aKeyRange);
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template already_AddRefed<IDBKeyRange>
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IDBKeyRange::FromSerializedKeyRange<FIXME_Bug_521898_index::KeyRange>
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(const FIXME_Bug_521898_index::KeyRange& aKeyRange);
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template void
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IDBKeyRange::ToSerializedKeyRange<FIXME_Bug_521898_objectstore::KeyRange>
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(FIXME_Bug_521898_objectstore::KeyRange& aKeyRange);
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template void
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IDBKeyRange::ToSerializedKeyRange<FIXME_Bug_521898_index::KeyRange>
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(FIXME_Bug_521898_index::KeyRange& aKeyRange);
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