dom/indexedDB/ipc/IndexedDBParent.cpp@b8a032363ba2
dom/indexedDB/ipc/IndexedDBParent.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "IndexedDBParent.h"
8 #include "nsIDOMEvent.h"
9 #include "nsIDOMFile.h"
10 #include "nsIXPConnect.h"
12 #include "mozilla/AppProcessChecker.h"
13 #include "mozilla/Assertions.h"
14 #include "mozilla/Attributes.h"
15 #include "mozilla/dom/ContentParent.h"
16 #include "mozilla/dom/IDBDatabaseBinding.h"
17 #include "mozilla/dom/ipc/Blob.h"
18 #include "mozilla/dom/TabParent.h"
19 #include "mozilla/unused.h"
20 #include "nsCxPusher.h"
22 #include "AsyncConnectionHelper.h"
23 #include "DatabaseInfo.h"
24 #include "IDBDatabase.h"
25 #include "IDBEvents.h"
26 #include "IDBFactory.h"
27 #include "IDBIndex.h"
28 #include "IDBKeyRange.h"
29 #include "IDBObjectStore.h"
30 #include "IDBTransaction.h"
32 #define CHROME_ORIGIN "chrome"
33 #define PERMISSION_PREFIX "indexedDB-chrome-"
34 #define PERMISSION_SUFFIX_READ "-read"
35 #define PERMISSION_SUFFIX_WRITE "-write"
37 USING_INDEXEDDB_NAMESPACE
39 using namespace mozilla;
40 using namespace mozilla::dom;
42 /*******************************************************************************
43 * AutoSetCurrentTransaction
44 ******************************************************************************/
46 AutoSetCurrentTransaction::AutoSetCurrentTransaction(
47 IDBTransaction* aTransaction)
48 {
49 MOZ_ASSERT(aTransaction);
50 AsyncConnectionHelper::SetCurrentTransaction(aTransaction);
51 }
53 AutoSetCurrentTransaction::~AutoSetCurrentTransaction()
54 {
55 AsyncConnectionHelper::SetCurrentTransaction(nullptr);
56 }
58 /*******************************************************************************
59 * IndexedDBParent
60 ******************************************************************************/
62 IndexedDBParent::IndexedDBParent(ContentParent* aContentParent)
63 : mManagerContent(aContentParent), mManagerTab(nullptr), mDisconnected(false)
64 {
65 MOZ_COUNT_CTOR(IndexedDBParent);
66 MOZ_ASSERT(aContentParent);
67 }
69 IndexedDBParent::IndexedDBParent(TabParent* aTabParent)
70 : mManagerContent(nullptr), mManagerTab(aTabParent), mDisconnected(false)
71 {
72 MOZ_COUNT_CTOR(IndexedDBParent);
73 MOZ_ASSERT(aTabParent);
74 }
76 IndexedDBParent::~IndexedDBParent()
77 {
78 MOZ_COUNT_DTOR(IndexedDBParent);
79 }
81 void
82 IndexedDBParent::Disconnect()
83 {
84 if (mDisconnected) {
85 return;
86 }
88 mDisconnected = true;
90 const InfallibleTArray<PIndexedDBDatabaseParent*>& databases =
91 ManagedPIndexedDBDatabaseParent();
92 for (uint32_t i = 0; i < databases.Length(); ++i) {
93 static_cast<IndexedDBDatabaseParent*>(databases[i])->Disconnect();
94 }
95 }
97 bool
98 IndexedDBParent::CheckReadPermission(const nsAString& aDatabaseName)
99 {
100 NS_NAMED_LITERAL_CSTRING(permission, PERMISSION_SUFFIX_READ);
101 return CheckPermissionInternal(aDatabaseName, permission);
102 }
104 bool
105 IndexedDBParent::CheckWritePermission(const nsAString& aDatabaseName)
106 {
107 // Write permission assumes read permission is granted as well.
108 MOZ_ASSERT(CheckReadPermission(aDatabaseName));
110 NS_NAMED_LITERAL_CSTRING(permission, PERMISSION_SUFFIX_WRITE);
111 return CheckPermissionInternal(aDatabaseName, permission);
112 }
114 mozilla::ipc::IProtocol*
115 IndexedDBParent::CloneProtocol(Channel* aChannel,
116 mozilla::ipc::ProtocolCloneContext* aCtx)
117 {
118 MOZ_ASSERT(mManagerContent != nullptr);
119 MOZ_ASSERT(mManagerTab == nullptr);
120 MOZ_ASSERT(!mDisconnected);
121 MOZ_ASSERT(IndexedDatabaseManager::Get());
122 MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
124 ContentParent* contentParent = aCtx->GetContentParent();
125 nsAutoPtr<PIndexedDBParent> actor(contentParent->AllocPIndexedDBParent());
126 if (!actor || !contentParent->RecvPIndexedDBConstructor(actor)) {
127 return nullptr;
128 }
129 return actor.forget();
130 }
132 bool
133 IndexedDBParent::CheckPermissionInternal(const nsAString& aDatabaseName,
134 const nsACString& aPermission)
135 {
136 MOZ_ASSERT(!mASCIIOrigin.IsEmpty());
137 MOZ_ASSERT(mManagerContent || mManagerTab);
139 if (mASCIIOrigin.EqualsLiteral(CHROME_ORIGIN)) {
140 nsAutoCString fullPermission =
141 NS_LITERAL_CSTRING(PERMISSION_PREFIX) +
142 NS_ConvertUTF16toUTF8(aDatabaseName) +
143 aPermission;
145 if ((mManagerContent &&
146 !AssertAppProcessPermission(mManagerContent, fullPermission.get())) ||
147 (mManagerTab &&
148 !AssertAppProcessPermission(mManagerTab, fullPermission.get()))) {
149 return false;
150 }
151 }
153 return true;
154 }
156 void
157 IndexedDBParent::ActorDestroy(ActorDestroyReason aWhy)
158 {
159 // Nothing really needs to be done here...
160 }
162 bool
163 IndexedDBParent::RecvPIndexedDBDatabaseConstructor(
164 PIndexedDBDatabaseParent* aActor,
165 const nsString& aName,
166 const uint64_t& aVersion,
167 const PersistenceType& aPersistenceType)
168 {
169 if (!CheckReadPermission(aName)) {
170 return false;
171 }
173 if (IsDisconnected()) {
174 // We're shutting down, ignore this request.
175 return true;
176 }
178 if (!mFactory) {
179 return true;
180 }
182 nsRefPtr<IDBOpenDBRequest> request;
183 nsresult rv = mFactory->OpenInternal(aName, aVersion, aPersistenceType, false,
184 getter_AddRefs(request));
185 NS_ENSURE_SUCCESS(rv, false);
187 IndexedDBDatabaseParent* actor =
188 static_cast<IndexedDBDatabaseParent*>(aActor);
190 rv = actor->SetOpenRequest(request);
191 NS_ENSURE_SUCCESS(rv, false);
193 return true;
194 }
196 bool
197 IndexedDBParent::RecvPIndexedDBDeleteDatabaseRequestConstructor(
198 PIndexedDBDeleteDatabaseRequestParent* aActor,
199 const nsString& aName,
200 const PersistenceType& aPersistenceType)
201 {
202 if (!CheckWritePermission(aName)) {
203 return false;
204 }
206 if (IsDisconnected()) {
207 // We're shutting down, ignore this request.
208 return true;
209 }
211 if (!mFactory) {
212 return true;
213 }
215 IndexedDBDeleteDatabaseRequestParent* actor =
216 static_cast<IndexedDBDeleteDatabaseRequestParent*>(aActor);
218 nsRefPtr<IDBOpenDBRequest> request;
220 nsresult rv = mFactory->OpenInternal(aName, 0, aPersistenceType, true,
221 getter_AddRefs(request));
222 NS_ENSURE_SUCCESS(rv, false);
224 rv = actor->SetOpenRequest(request);
225 NS_ENSURE_SUCCESS(rv, false);
227 return true;
228 }
230 PIndexedDBDatabaseParent*
231 IndexedDBParent::AllocPIndexedDBDatabaseParent(
232 const nsString& aName,
233 const uint64_t& aVersion,
234 const PersistenceType& aPersistenceType)
235 {
236 return new IndexedDBDatabaseParent();
237 }
239 bool
240 IndexedDBParent::DeallocPIndexedDBDatabaseParent(PIndexedDBDatabaseParent* aActor)
241 {
242 delete aActor;
243 return true;
244 }
246 PIndexedDBDeleteDatabaseRequestParent*
247 IndexedDBParent::AllocPIndexedDBDeleteDatabaseRequestParent(
248 const nsString& aName,
249 const PersistenceType& aPersistenceType)
250 {
251 return new IndexedDBDeleteDatabaseRequestParent(mFactory);
252 }
254 bool
255 IndexedDBParent::DeallocPIndexedDBDeleteDatabaseRequestParent(
256 PIndexedDBDeleteDatabaseRequestParent* aActor)
257 {
258 delete aActor;
259 return true;
260 }
262 /*******************************************************************************
263 * IndexedDBDatabaseParent
264 ******************************************************************************/
266 IndexedDBDatabaseParent::IndexedDBDatabaseParent()
267 : mEventListener(MOZ_THIS_IN_INITIALIZER_LIST())
268 {
269 MOZ_COUNT_CTOR(IndexedDBDatabaseParent);
270 }
272 IndexedDBDatabaseParent::~IndexedDBDatabaseParent()
273 {
274 MOZ_COUNT_DTOR(IndexedDBDatabaseParent);
275 }
277 nsresult
278 IndexedDBDatabaseParent::SetOpenRequest(IDBOpenDBRequest* aRequest)
279 {
280 MOZ_ASSERT(aRequest);
281 MOZ_ASSERT(!mOpenRequest);
283 nsresult rv = aRequest->EventTarget::AddEventListener(NS_LITERAL_STRING(SUCCESS_EVT_STR),
284 mEventListener, false);
285 NS_ENSURE_SUCCESS(rv, rv);
287 rv = aRequest->EventTarget::AddEventListener(NS_LITERAL_STRING(ERROR_EVT_STR),
288 mEventListener, false);
289 NS_ENSURE_SUCCESS(rv, rv);
291 rv = aRequest->EventTarget::AddEventListener(NS_LITERAL_STRING(BLOCKED_EVT_STR),
292 mEventListener, false);
293 NS_ENSURE_SUCCESS(rv, rv);
295 rv = aRequest->EventTarget::AddEventListener(NS_LITERAL_STRING(UPGRADENEEDED_EVT_STR),
296 mEventListener, false);
297 NS_ENSURE_SUCCESS(rv, rv);
299 mOpenRequest = aRequest;
300 return NS_OK;
301 }
303 nsresult
304 IndexedDBDatabaseParent::HandleEvent(nsIDOMEvent* aEvent)
305 {
306 MOZ_ASSERT(aEvent);
308 if (IsDisconnected()) {
309 // We're shutting down, ignore this event.
310 return NS_OK;
311 }
313 nsString type;
314 nsresult rv = aEvent->GetType(type);
315 NS_ENSURE_SUCCESS(rv, rv);
317 nsCOMPtr<EventTarget> target = aEvent->InternalDOMEvent()->GetTarget();
319 if (mDatabase &&
320 SameCOMIdentity(target, NS_ISUPPORTS_CAST(EventTarget*,
321 mDatabase))) {
322 rv = HandleDatabaseEvent(aEvent, type);
323 NS_ENSURE_SUCCESS(rv, rv);
325 return NS_OK;
326 }
328 if (mOpenRequest &&
329 SameCOMIdentity(target, NS_ISUPPORTS_CAST(EventTarget*,
330 mOpenRequest))) {
331 rv = HandleRequestEvent(aEvent, type);
332 NS_ENSURE_SUCCESS(rv, rv);
334 return NS_OK;
335 }
337 MOZ_CRASH("Unexpected message!");
338 }
340 void
341 IndexedDBDatabaseParent::Disconnect()
342 {
343 if (mDatabase) {
344 mDatabase->DisconnectFromActorParent();
345 }
346 }
348 bool
349 IndexedDBDatabaseParent::CheckWritePermission(const nsAString& aDatabaseName)
350 {
351 IndexedDBParent* manager = static_cast<IndexedDBParent*>(Manager());
352 MOZ_ASSERT(manager);
354 return manager->CheckWritePermission(aDatabaseName);
355 }
357 void
358 IndexedDBDatabaseParent::Invalidate()
359 {
360 MOZ_ASSERT(mDatabase);
362 if (!IsDisconnected()) {
363 mozilla::unused << SendInvalidate();
364 }
365 }
367 nsresult
368 IndexedDBDatabaseParent::HandleRequestEvent(nsIDOMEvent* aEvent,
369 const nsAString& aType)
370 {
371 MOZ_ASSERT(mOpenRequest);
372 MOZ_ASSERT(!IsDisconnected());
374 nsresult rv;
376 if (aType.EqualsLiteral(ERROR_EVT_STR)) {
377 nsRefPtr<IDBOpenDBRequest> request;
378 mOpenRequest.swap(request);
380 rv = request->GetErrorCode();
381 MOZ_ASSERT(NS_FAILED(rv));
383 if (!SendError(rv)) {
384 return NS_ERROR_FAILURE;
385 }
387 rv = aEvent->PreventDefault();
388 NS_ENSURE_SUCCESS(rv, rv);
390 return NS_OK;
391 }
393 if (aType.EqualsLiteral(BLOCKED_EVT_STR)) {
394 MOZ_ASSERT(!mDatabase);
396 nsCOMPtr<IDBVersionChangeEvent> changeEvent = do_QueryInterface(aEvent);
397 NS_ENSURE_TRUE(changeEvent, NS_ERROR_FAILURE);
399 uint64_t oldVersion = changeEvent->OldVersion();
401 if (!SendBlocked(oldVersion)) {
402 return NS_ERROR_FAILURE;
403 }
405 return NS_OK;
406 }
408 AutoSafeJSContext cx;
410 ErrorResult error;
411 JS::Rooted<JS::Value> result(cx);
412 mOpenRequest->GetResult(cx, &result, error);
413 ENSURE_SUCCESS(error, error.ErrorCode());
415 MOZ_ASSERT(!JSVAL_IS_PRIMITIVE(result));
417 IDBDatabase *database;
418 rv = UNWRAP_OBJECT(IDBDatabase, &result.toObject(), database);
419 if (NS_FAILED(rv)) {
420 NS_WARNING("Didn't get the object we expected!");
421 return rv;
422 }
424 DatabaseInfo* dbInfo = database->Info();
425 MOZ_ASSERT(dbInfo);
427 nsAutoTArray<nsString, 20> objectStoreNames;
428 if (!dbInfo->GetObjectStoreNames(objectStoreNames)) {
429 MOZ_CRASH("This should never fail!");
430 }
432 InfallibleTArray<ObjectStoreInfoGuts> objectStoreInfos;
433 if (!objectStoreNames.IsEmpty()) {
434 uint32_t length = objectStoreNames.Length();
436 objectStoreInfos.SetCapacity(length);
438 for (uint32_t i = 0; i < length; i++) {
439 ObjectStoreInfo* osInfo = dbInfo->GetObjectStore(objectStoreNames[i]);
440 MOZ_ASSERT(osInfo);
442 objectStoreInfos.AppendElement(*osInfo);
443 }
444 }
446 if (aType.EqualsLiteral(SUCCESS_EVT_STR)) {
447 nsRefPtr<IDBOpenDBRequest> request;
448 mOpenRequest.swap(request);
450 EventTarget* target = static_cast<EventTarget*>(database);
452 #ifdef DEBUG
453 {
454 nsresult rvDEBUG =
455 target->AddEventListener(NS_LITERAL_STRING(ERROR_EVT_STR),
456 mEventListener, false);
457 NS_WARN_IF_FALSE(NS_SUCCEEDED(rvDEBUG), "Failed to add error listener!");
458 }
459 #endif
461 NS_NAMED_LITERAL_STRING(versionChange, VERSIONCHANGE_EVT_STR);
462 rv = target->AddEventListener(versionChange, mEventListener, false);
463 NS_ENSURE_SUCCESS(rv, rv);
465 if (!SendSuccess(*dbInfo, objectStoreInfos)) {
466 return NS_ERROR_FAILURE;
467 }
469 MOZ_ASSERT(!mDatabase || mDatabase == database);
471 if (!mDatabase) {
472 database->SetActor(this);
473 mDatabase = database;
474 }
476 return NS_OK;
477 }
479 if (aType.EqualsLiteral(UPGRADENEEDED_EVT_STR)) {
480 MOZ_ASSERT(!mDatabase);
482 IDBTransaction* transaction =
483 AsyncConnectionHelper::GetCurrentTransaction();
484 MOZ_ASSERT(transaction);
486 if (!CheckWritePermission(database->Name())) {
487 // If we get here then the child process is either dead or in the process
488 // of being killed. Abort the transaction now to prevent any changes to
489 // the database.
490 ErrorResult rv;
491 transaction->Abort(rv);
492 if (rv.Failed()) {
493 NS_WARNING("Failed to abort transaction!");
494 }
495 return NS_ERROR_FAILURE;
496 }
498 nsCOMPtr<IDBVersionChangeEvent> changeEvent = do_QueryInterface(aEvent);
499 NS_ENSURE_TRUE(changeEvent, NS_ERROR_FAILURE);
501 uint64_t oldVersion = changeEvent->OldVersion();
503 nsAutoPtr<IndexedDBVersionChangeTransactionParent> actor(
504 new IndexedDBVersionChangeTransactionParent());
506 rv = actor->SetTransaction(transaction);
507 NS_ENSURE_SUCCESS(rv, rv);
509 VersionChangeTransactionParams versionChangeParams;
510 versionChangeParams.dbInfo() = *dbInfo;
511 versionChangeParams.osInfo() = objectStoreInfos;
512 versionChangeParams.oldVersion() = oldVersion;
514 if (!SendPIndexedDBTransactionConstructor(actor.forget(),
515 versionChangeParams)) {
516 return NS_ERROR_FAILURE;
517 }
519 database->SetActor(this);
520 mDatabase = database;
522 return NS_OK;
523 }
525 MOZ_CRASH("Unexpected message type!");
526 }
528 nsresult
529 IndexedDBDatabaseParent::HandleDatabaseEvent(nsIDOMEvent* aEvent,
530 const nsAString& aType)
531 {
532 MOZ_ASSERT(mDatabase);
533 MOZ_ASSERT(!aType.EqualsLiteral(ERROR_EVT_STR),
534 "Should never get error events in the parent process!");
535 MOZ_ASSERT(!IsDisconnected());
537 if (aType.EqualsLiteral(VERSIONCHANGE_EVT_STR)) {
538 AutoSafeJSContext cx;
539 NS_ENSURE_TRUE(cx, NS_ERROR_FAILURE);
541 nsCOMPtr<IDBVersionChangeEvent> changeEvent = do_QueryInterface(aEvent);
542 NS_ENSURE_TRUE(changeEvent, NS_ERROR_FAILURE);
544 uint64_t oldVersion = changeEvent->OldVersion();
546 Nullable<uint64_t> newVersionVal = changeEvent->GetNewVersion();
548 uint64_t newVersion;
549 if (newVersionVal.IsNull()) {
550 newVersion = 0;
551 }
552 else {
553 newVersion = newVersionVal.Value();
554 }
556 if (!SendVersionChange(oldVersion, newVersion)) {
557 return NS_ERROR_FAILURE;
558 }
560 return NS_OK;
561 }
563 MOZ_CRASH("Unexpected message type!");
564 }
566 void
567 IndexedDBDatabaseParent::ActorDestroy(ActorDestroyReason aWhy)
568 {
569 if (mDatabase) {
570 mDatabase->SetActor(static_cast<IndexedDBDatabaseParent*>(nullptr));
571 mDatabase->InvalidateInternal(/* aIsDead */ true);
572 }
573 }
575 bool
576 IndexedDBDatabaseParent::RecvClose(const bool& aUnlinked)
577 {
578 MOZ_ASSERT(mDatabase);
580 if (IsDisconnected()) {
581 // We're shutting down, ignore this request.
582 return true;
583 }
585 mDatabase->CloseInternal(aUnlinked);
586 return true;
587 }
589 bool
590 IndexedDBDatabaseParent::RecvPIndexedDBTransactionConstructor(
591 PIndexedDBTransactionParent* aActor,
592 const TransactionParams& aParams)
593 {
594 MOZ_ASSERT(aParams.type() ==
595 TransactionParams::TNormalTransactionParams);
596 MOZ_ASSERT(!mOpenRequest);
598 if (IsDisconnected()) {
599 // We're shutting down, ignore this request.
600 return true;
601 }
603 if (!mDatabase) {
604 return true;
605 }
607 IndexedDBTransactionParent* actor =
608 static_cast<IndexedDBTransactionParent*>(aActor);
610 const NormalTransactionParams& params = aParams.get_NormalTransactionParams();
612 if (params.mode() != IDBTransaction::READ_ONLY &&
613 !CheckWritePermission(mDatabase->Name())) {
614 return false;
615 }
617 if (mDatabase->IsClosed()) {
618 // If the window was navigated then we won't be able to do anything here.
619 return true;
620 }
622 Sequence<nsString> storesToOpen;
623 storesToOpen.AppendElements(params.names());
625 nsRefPtr<IDBTransaction> transaction =
626 IDBTransaction::Create(mDatabase, storesToOpen, params.mode(), false);
627 NS_ENSURE_TRUE(transaction, false);
629 nsresult rv = actor->SetTransaction(transaction);
630 NS_ENSURE_SUCCESS(rv, false);
632 return true;
633 }
635 PIndexedDBTransactionParent*
636 IndexedDBDatabaseParent::AllocPIndexedDBTransactionParent(
637 const TransactionParams& aParams)
638 {
639 MOZ_ASSERT(aParams.type() ==
640 TransactionParams::TNormalTransactionParams);
641 return new IndexedDBTransactionParent();
642 }
644 bool
645 IndexedDBDatabaseParent::DeallocPIndexedDBTransactionParent(
646 PIndexedDBTransactionParent* aActor)
647 {
648 delete aActor;
649 return true;
650 }
652 /*******************************************************************************
653 * IndexedDBTransactionParent
654 ******************************************************************************/
656 IndexedDBTransactionParent::IndexedDBTransactionParent()
657 : mEventListener(MOZ_THIS_IN_INITIALIZER_LIST()),
658 mArtificialRequestCount(false)
659 {
660 MOZ_COUNT_CTOR(IndexedDBTransactionParent);
661 }
663 IndexedDBTransactionParent::~IndexedDBTransactionParent()
664 {
665 MOZ_COUNT_DTOR(IndexedDBTransactionParent);
666 }
668 nsresult
669 IndexedDBTransactionParent::SetTransaction(IDBTransaction* aTransaction)
670 {
671 MOZ_ASSERT(aTransaction);
672 MOZ_ASSERT(!mTransaction);
674 EventTarget* target = static_cast<EventTarget*>(aTransaction);
676 NS_NAMED_LITERAL_STRING(complete, COMPLETE_EVT_STR);
677 nsresult rv = target->AddEventListener(complete, mEventListener, false);
678 NS_ENSURE_SUCCESS(rv, rv);
680 rv = target->AddEventListener(NS_LITERAL_STRING(ABORT_EVT_STR),
681 mEventListener, false);
682 NS_ENSURE_SUCCESS(rv, rv);
684 aTransaction->OnNewRequest();
685 mArtificialRequestCount = true;
687 aTransaction->SetActor(this);
689 mTransaction = aTransaction;
690 return NS_OK;
691 }
693 nsresult
694 IndexedDBTransactionParent::HandleEvent(nsIDOMEvent* aEvent)
695 {
696 MOZ_ASSERT(aEvent);
698 if (IsDisconnected()) {
699 // We're shutting down, ignore this event.
700 return NS_OK;
701 }
703 nsString type;
704 nsresult rv = aEvent->GetType(type);
705 NS_ENSURE_SUCCESS(rv, rv);
707 CompleteParams params;
709 if (type.EqualsLiteral(COMPLETE_EVT_STR)) {
710 params = CompleteResult();
711 }
712 else if (type.EqualsLiteral(ABORT_EVT_STR)) {
713 #ifdef DEBUG
714 {
715 nsCOMPtr<EventTarget> target = aEvent->InternalDOMEvent()->GetTarget();
716 MOZ_ASSERT(SameCOMIdentity(target, NS_ISUPPORTS_CAST(EventTarget*,
717 mTransaction)));
718 }
719 #endif
720 params = AbortResult(mTransaction->GetAbortCode());
721 }
722 else {
723 NS_WARNING("Unknown message type!");
724 return NS_ERROR_UNEXPECTED;
725 }
727 if (!SendComplete(params)) {
728 return NS_ERROR_FAILURE;
729 }
731 return NS_OK;
732 }
734 void
735 IndexedDBTransactionParent::ActorDestroy(ActorDestroyReason aWhy)
736 {
737 if (mTransaction) {
738 if (mArtificialRequestCount) {
739 // The transaction never completed and now the child side is dead. Abort
740 // here to be safe.
741 ErrorResult rv;
742 mTransaction->Abort(rv);
744 mTransaction->OnRequestFinished();
745 #ifdef DEBUG
746 mArtificialRequestCount = false;
747 #endif
748 }
749 mTransaction->SetActor(static_cast<IndexedDBTransactionParent*>(nullptr));
750 }
751 }
753 bool
754 IndexedDBTransactionParent::RecvAbort(const nsresult& aAbortCode)
755 {
756 MOZ_ASSERT(mTransaction);
758 if (IsDisconnected()) {
759 // We're shutting down, ignore this request.
760 return true;
761 }
763 mTransaction->Abort(aAbortCode);
764 return true;
765 }
767 bool
768 IndexedDBTransactionParent::RecvAllRequestsFinished()
769 {
770 MOZ_ASSERT(mTransaction);
771 MOZ_ASSERT(mArtificialRequestCount);
773 if (IsDisconnected()) {
774 // We're shutting down, ignore this request.
775 return true;
776 }
778 mTransaction->OnRequestFinished();
779 mArtificialRequestCount = false;
781 return true;
782 }
784 bool
785 IndexedDBTransactionParent::RecvDeleteObjectStore(const nsString& aName)
786 {
787 MOZ_CRASH("Should be overridden, don't call me!");
788 }
790 bool
791 IndexedDBTransactionParent::RecvPIndexedDBObjectStoreConstructor(
792 PIndexedDBObjectStoreParent* aActor,
793 const ObjectStoreConstructorParams& aParams)
794 {
795 if (IsDisconnected()) {
796 // We're shutting down, ignore this request.
797 return true;
798 }
800 if (!mTransaction) {
801 return true;
802 }
804 IndexedDBObjectStoreParent* actor =
805 static_cast<IndexedDBObjectStoreParent*>(aActor);
807 if (aParams.type() ==
808 ObjectStoreConstructorParams::TGetObjectStoreParams) {
809 const GetObjectStoreParams& params = aParams.get_GetObjectStoreParams();
810 const nsString& name = params.name();
812 nsRefPtr<IDBObjectStore> objectStore;
814 {
815 AutoSetCurrentTransaction asct(mTransaction);
817 ErrorResult rv;
818 objectStore = mTransaction->ObjectStore(name, rv);
819 ENSURE_SUCCESS(rv, false);
821 actor->SetObjectStore(objectStore);
822 }
824 objectStore->SetActor(actor);
825 return true;
826 }
828 if (aParams.type() ==
829 ObjectStoreConstructorParams::TCreateObjectStoreParams) {
830 MOZ_CRASH("Should be overridden, don't call me!");
831 }
833 MOZ_CRASH("Unknown param type!");
834 }
836 PIndexedDBObjectStoreParent*
837 IndexedDBTransactionParent::AllocPIndexedDBObjectStoreParent(
838 const ObjectStoreConstructorParams& aParams)
839 {
840 return new IndexedDBObjectStoreParent();
841 }
843 bool
844 IndexedDBTransactionParent::DeallocPIndexedDBObjectStoreParent(
845 PIndexedDBObjectStoreParent* aActor)
846 {
847 delete aActor;
848 return true;
849 }
851 /*******************************************************************************
852 * IndexedDBVersionChangeTransactionParent
853 ******************************************************************************/
855 IndexedDBVersionChangeTransactionParent::
856 IndexedDBVersionChangeTransactionParent()
857 {
858 MOZ_COUNT_CTOR(IndexedDBVersionChangeTransactionParent);
859 }
861 IndexedDBVersionChangeTransactionParent::
862 ~IndexedDBVersionChangeTransactionParent()
863 {
864 MOZ_COUNT_DTOR(IndexedDBVersionChangeTransactionParent);
865 }
867 bool
868 IndexedDBVersionChangeTransactionParent::RecvDeleteObjectStore(
869 const nsString& aName)
870 {
871 MOZ_ASSERT(!mTransaction ||
872 mTransaction->GetMode() == IDBTransaction::VERSION_CHANGE);
874 if (IsDisconnected()) {
875 // We're shutting down, ignore this request.
876 return true;
877 }
879 if (!mTransaction) {
880 return true;
881 }
883 if (mTransaction->Database()->IsInvalidated()) {
884 // If we've invalidated this database in the parent then we should bail out
885 // now to avoid logic problems that could force-kill the child.
886 return true;
887 }
889 IDBDatabase* db = mTransaction->Database();
890 MOZ_ASSERT(db);
892 ErrorResult rv;
894 {
895 AutoSetCurrentTransaction asct(mTransaction);
896 db->DeleteObjectStore(aName, rv);
897 }
899 ENSURE_SUCCESS(rv, false);
900 return true;
901 }
903 bool
904 IndexedDBVersionChangeTransactionParent::RecvPIndexedDBObjectStoreConstructor(
905 PIndexedDBObjectStoreParent* aActor,
906 const ObjectStoreConstructorParams& aParams)
907 {
908 if (IsDisconnected()) {
909 // We're shutting down, ignore this request.
910 return true;
911 }
913 if (!mTransaction) {
914 return true;
915 }
917 if (mTransaction->Database()->IsInvalidated()) {
918 // If we've invalidated this database in the parent then we should bail out
919 // now to avoid logic problems that could force-kill the child.
920 return true;
921 }
923 IndexedDBObjectStoreParent* actor =
924 static_cast<IndexedDBObjectStoreParent*>(aActor);
926 if (aParams.type() ==
927 ObjectStoreConstructorParams::TCreateObjectStoreParams) {
928 MOZ_ASSERT(mTransaction->GetMode() == IDBTransaction::VERSION_CHANGE);
930 const CreateObjectStoreParams& params =
931 aParams.get_CreateObjectStoreParams();
933 const ObjectStoreInfoGuts& info = params.info();
935 IDBDatabase* db = mTransaction->Database();
936 MOZ_ASSERT(db);
938 nsRefPtr<IDBObjectStore> objectStore;
940 ErrorResult rv;
942 {
943 AutoSetCurrentTransaction asct(mTransaction);
945 objectStore = db->CreateObjectStoreInternal(mTransaction, info, rv);
946 }
948 ENSURE_SUCCESS(rv, false);
950 actor->SetObjectStore(objectStore);
951 objectStore->SetActor(actor);
952 return true;
953 }
955 return
956 IndexedDBTransactionParent::RecvPIndexedDBObjectStoreConstructor(aActor,
957 aParams);
958 }
960 PIndexedDBObjectStoreParent*
961 IndexedDBVersionChangeTransactionParent::AllocPIndexedDBObjectStoreParent(
962 const ObjectStoreConstructorParams& aParams)
963 {
964 if (aParams.type() ==
965 ObjectStoreConstructorParams::TCreateObjectStoreParams ||
966 mTransaction->GetMode() == IDBTransaction::VERSION_CHANGE) {
967 return new IndexedDBVersionChangeObjectStoreParent();
968 }
970 return IndexedDBTransactionParent::AllocPIndexedDBObjectStoreParent(aParams);
971 }
973 /*******************************************************************************
974 * IndexedDBCursorParent
975 ******************************************************************************/
977 IndexedDBCursorParent::IndexedDBCursorParent(IDBCursor* aCursor)
978 : mCursor(aCursor)
979 {
980 MOZ_COUNT_CTOR(IndexedDBCursorParent);
981 MOZ_ASSERT(aCursor);
982 aCursor->SetActor(this);
983 }
985 IndexedDBCursorParent::~IndexedDBCursorParent()
986 {
987 MOZ_COUNT_DTOR(IndexedDBCursorParent);
988 }
990 bool
991 IndexedDBCursorParent::IsDisconnected() const
992 {
993 MOZ_ASSERT(mCursor);
994 return mCursor->Transaction()->GetActorParent()->IsDisconnected();
995 }
997 void
998 IndexedDBCursorParent::ActorDestroy(ActorDestroyReason aWhy)
999 {
1000 MOZ_ASSERT(mCursor);
1001 mCursor->SetActor(static_cast<IndexedDBCursorParent*>(nullptr));
1002 }
1004 bool
1005 IndexedDBCursorParent::RecvPIndexedDBRequestConstructor(
1006 PIndexedDBRequestParent* aActor,
1007 const CursorRequestParams& aParams)
1008 {
1009 MOZ_ASSERT(mCursor);
1011 if (IsDisconnected()) {
1012 // We're shutting down, ignore this request.
1013 return true;
1014 }
1016 IndexedDBCursorRequestParent* actor =
1017 static_cast<IndexedDBCursorRequestParent*>(aActor);
1019 if (mCursor->Transaction()->Database()->IsInvalidated()) {
1020 // If we've invalidated this database in the parent then we should bail out
1021 // now to avoid logic problems that could force-kill the child.
1022 return actor->Send__delete__(actor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
1023 }
1025 switch (aParams.type()) {
1026 case CursorRequestParams::TContinueParams:
1027 return actor->Continue(aParams.get_ContinueParams());
1029 default:
1030 MOZ_CRASH("Unknown type!");
1031 }
1033 MOZ_CRASH("Should never get here!");
1034 }
1036 PIndexedDBRequestParent*
1037 IndexedDBCursorParent::AllocPIndexedDBRequestParent(
1038 const CursorRequestParams& aParams)
1039 {
1040 MOZ_ASSERT(mCursor);
1041 return new IndexedDBCursorRequestParent(mCursor, aParams.type());
1042 }
1044 bool
1045 IndexedDBCursorParent::DeallocPIndexedDBRequestParent(PIndexedDBRequestParent* aActor)
1046 {
1047 delete aActor;
1048 return true;
1049 }
1051 /*******************************************************************************
1052 * IndexedDBObjectStoreParent
1053 ******************************************************************************/
1055 IndexedDBObjectStoreParent::IndexedDBObjectStoreParent()
1056 {
1057 MOZ_COUNT_CTOR(IndexedDBObjectStoreParent);
1058 }
1060 IndexedDBObjectStoreParent::~IndexedDBObjectStoreParent()
1061 {
1062 MOZ_COUNT_DTOR(IndexedDBObjectStoreParent);
1063 }
1065 void
1066 IndexedDBObjectStoreParent::SetObjectStore(IDBObjectStore* aObjectStore)
1067 {
1068 // Sadly can't assert aObjectStore here...
1069 MOZ_ASSERT(!mObjectStore);
1071 mObjectStore = aObjectStore;
1072 }
1074 void
1075 IndexedDBObjectStoreParent::ActorDestroy(ActorDestroyReason aWhy)
1076 {
1077 if (mObjectStore) {
1078 mObjectStore->SetActor(static_cast<IndexedDBObjectStoreParent*>(nullptr));
1079 }
1080 }
1082 bool
1083 IndexedDBObjectStoreParent::RecvDeleteIndex(const nsString& aName)
1084 {
1085 MOZ_CRASH("Should be overridden, don't call me!");
1086 }
1088 bool
1089 IndexedDBObjectStoreParent::RecvPIndexedDBRequestConstructor(
1090 PIndexedDBRequestParent* aActor,
1091 const ObjectStoreRequestParams& aParams)
1092 {
1093 if (IsDisconnected()) {
1094 // We're shutting down, ignore this request.
1095 return true;
1096 }
1098 if (!mObjectStore) {
1099 return true;
1100 }
1102 IndexedDBObjectStoreRequestParent* actor =
1103 static_cast<IndexedDBObjectStoreRequestParent*>(aActor);
1105 if (mObjectStore->Transaction()->Database()->IsInvalidated()) {
1106 // If we've invalidated this database in the parent then we should bail out
1107 // now to avoid logic problems that could force-kill the child.
1108 return actor->Send__delete__(actor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
1109 }
1111 switch (aParams.type()) {
1112 case ObjectStoreRequestParams::TGetParams:
1113 return actor->Get(aParams.get_GetParams());
1115 case ObjectStoreRequestParams::TGetAllParams:
1116 return actor->GetAll(aParams.get_GetAllParams());
1118 case ObjectStoreRequestParams::TGetAllKeysParams:
1119 return actor->GetAllKeys(aParams.get_GetAllKeysParams());
1121 case ObjectStoreRequestParams::TAddParams:
1122 return actor->Add(aParams.get_AddParams());
1124 case ObjectStoreRequestParams::TPutParams:
1125 return actor->Put(aParams.get_PutParams());
1127 case ObjectStoreRequestParams::TDeleteParams:
1128 return actor->Delete(aParams.get_DeleteParams());
1130 case ObjectStoreRequestParams::TClearParams:
1131 return actor->Clear(aParams.get_ClearParams());
1133 case ObjectStoreRequestParams::TCountParams:
1134 return actor->Count(aParams.get_CountParams());
1136 case ObjectStoreRequestParams::TOpenCursorParams:
1137 return actor->OpenCursor(aParams.get_OpenCursorParams());
1139 case ObjectStoreRequestParams::TOpenKeyCursorParams:
1140 return actor->OpenKeyCursor(aParams.get_OpenKeyCursorParams());
1142 default:
1143 MOZ_CRASH("Unknown type!");
1144 }
1146 MOZ_CRASH("Should never get here!");
1147 }
1149 bool
1150 IndexedDBObjectStoreParent::RecvPIndexedDBIndexConstructor(
1151 PIndexedDBIndexParent* aActor,
1152 const IndexConstructorParams& aParams)
1153 {
1154 if (IsDisconnected()) {
1155 // We're shutting down, ignore this request.
1156 return true;
1157 }
1159 if (!mObjectStore) {
1160 return true;
1161 }
1163 IndexedDBIndexParent* actor = static_cast<IndexedDBIndexParent*>(aActor);
1165 if (aParams.type() == IndexConstructorParams::TGetIndexParams) {
1166 const GetIndexParams& params = aParams.get_GetIndexParams();
1167 const nsString& name = params.name();
1169 nsRefPtr<IDBIndex> index;
1171 {
1172 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1174 ErrorResult rv;
1175 index = mObjectStore->Index(name, rv);
1176 ENSURE_SUCCESS(rv, false);
1178 actor->SetIndex(index);
1179 }
1181 index->SetActor(actor);
1182 return true;
1183 }
1185 if (aParams.type() == IndexConstructorParams::TCreateIndexParams) {
1186 MOZ_CRASH("Should be overridden, don't call me!");
1187 }
1189 MOZ_CRASH("Unknown param type!");
1190 }
1192 PIndexedDBRequestParent*
1193 IndexedDBObjectStoreParent::AllocPIndexedDBRequestParent(
1194 const ObjectStoreRequestParams& aParams)
1195 {
1196 return new IndexedDBObjectStoreRequestParent(mObjectStore, aParams.type());
1197 }
1199 bool
1200 IndexedDBObjectStoreParent::DeallocPIndexedDBRequestParent(
1201 PIndexedDBRequestParent* aActor)
1202 {
1203 delete aActor;
1204 return true;
1205 }
1207 PIndexedDBIndexParent*
1208 IndexedDBObjectStoreParent::AllocPIndexedDBIndexParent(
1209 const IndexConstructorParams& aParams)
1210 {
1211 return new IndexedDBIndexParent();
1212 }
1214 bool
1215 IndexedDBObjectStoreParent::DeallocPIndexedDBIndexParent(
1216 PIndexedDBIndexParent* aActor)
1217 {
1218 delete aActor;
1219 return true;
1220 }
1222 PIndexedDBCursorParent*
1223 IndexedDBObjectStoreParent::AllocPIndexedDBCursorParent(
1224 const ObjectStoreCursorConstructorParams& aParams)
1225 {
1226 MOZ_CRASH("Caller is supposed to manually construct a cursor!");
1227 }
1229 bool
1230 IndexedDBObjectStoreParent::DeallocPIndexedDBCursorParent(
1231 PIndexedDBCursorParent* aActor)
1232 {
1233 delete aActor;
1234 return true;
1235 }
1237 /*******************************************************************************
1238 * IndexedDBVersionChangeObjectStoreParent
1239 ******************************************************************************/
1241 IndexedDBVersionChangeObjectStoreParent::
1242 IndexedDBVersionChangeObjectStoreParent()
1243 {
1244 MOZ_COUNT_CTOR(IndexedDBVersionChangeObjectStoreParent);
1245 }
1247 IndexedDBVersionChangeObjectStoreParent::
1248 ~IndexedDBVersionChangeObjectStoreParent()
1249 {
1250 MOZ_COUNT_DTOR(IndexedDBVersionChangeObjectStoreParent);
1251 }
1253 bool
1254 IndexedDBVersionChangeObjectStoreParent::RecvDeleteIndex(const nsString& aName)
1255 {
1256 MOZ_ASSERT(!mObjectStore ||
1257 mObjectStore->Transaction()->GetMode() ==
1258 IDBTransaction::VERSION_CHANGE);
1260 if (IsDisconnected()) {
1261 // We're shutting down, ignore this request.
1262 return true;
1263 }
1265 if (!mObjectStore) {
1266 return true;
1267 }
1269 if (mObjectStore->Transaction()->Database()->IsInvalidated()) {
1270 // If we've invalidated this database in the parent then we should bail out
1271 // now to avoid logic problems that could force-kill the child.
1272 return true;
1273 }
1275 ErrorResult rv;
1277 {
1278 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1280 mObjectStore->DeleteIndex(aName, rv);
1281 }
1283 ENSURE_SUCCESS(rv, false);
1284 return true;
1285 }
1287 bool
1288 IndexedDBVersionChangeObjectStoreParent::RecvPIndexedDBIndexConstructor(
1289 PIndexedDBIndexParent* aActor,
1290 const IndexConstructorParams& aParams)
1291 {
1292 if (IsDisconnected()) {
1293 // We're shutting down, ignore this request.
1294 return true;
1295 }
1297 if (!mObjectStore) {
1298 return true;
1299 }
1301 if (mObjectStore->Transaction()->Database()->IsInvalidated()) {
1302 // If we've invalidated this database in the parent then we should bail out
1303 // now to avoid logic problems that could force-kill the child.
1304 return true;
1305 }
1307 IndexedDBIndexParent* actor = static_cast<IndexedDBIndexParent*>(aActor);
1309 if (aParams.type() == IndexConstructorParams::TCreateIndexParams) {
1310 MOZ_ASSERT(mObjectStore->Transaction()->GetMode() ==
1311 IDBTransaction::VERSION_CHANGE);
1313 const CreateIndexParams& params = aParams.get_CreateIndexParams();
1314 const IndexInfo& info = params.info();
1316 nsRefPtr<IDBIndex> index;
1318 {
1319 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1321 ErrorResult rv;
1322 index = mObjectStore->CreateIndexInternal(info, rv);
1323 ENSURE_SUCCESS(rv, false);
1324 }
1326 actor->SetIndex(index);
1327 index->SetActor(actor);
1328 return true;
1329 }
1331 return IndexedDBObjectStoreParent::RecvPIndexedDBIndexConstructor(aActor,
1332 aParams);
1333 }
1335 /*******************************************************************************
1336 * IndexedDBIndexParent
1337 ******************************************************************************/
1339 IndexedDBIndexParent::IndexedDBIndexParent()
1340 {
1341 MOZ_COUNT_CTOR(IndexedDBIndexParent);
1342 }
1344 IndexedDBIndexParent::~IndexedDBIndexParent()
1345 {
1346 MOZ_COUNT_DTOR(IndexedDBIndexParent);
1347 }
1349 void
1350 IndexedDBIndexParent::SetIndex(IDBIndex* aIndex)
1351 {
1352 MOZ_ASSERT(aIndex);
1353 MOZ_ASSERT(!mIndex);
1355 mIndex = aIndex;
1356 }
1358 void
1359 IndexedDBIndexParent::ActorDestroy(ActorDestroyReason aWhy)
1360 {
1361 if (mIndex) {
1362 mIndex->SetActor(static_cast<IndexedDBIndexParent*>(nullptr));
1363 }
1364 }
1366 bool
1367 IndexedDBIndexParent::RecvPIndexedDBRequestConstructor(
1368 PIndexedDBRequestParent* aActor,
1369 const IndexRequestParams& aParams)
1370 {
1371 if (IsDisconnected()) {
1372 // We're shutting down, ignore this request.
1373 return true;
1374 }
1376 if (!mIndex) {
1377 return true;
1378 }
1380 IndexedDBIndexRequestParent* actor =
1381 static_cast<IndexedDBIndexRequestParent*>(aActor);
1383 if (mIndex->ObjectStore()->Transaction()->Database()->IsInvalidated()) {
1384 // If we've invalidated this database in the parent then we should bail out
1385 // now to avoid logic problems that could force-kill the child.
1386 return actor->Send__delete__(actor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
1387 }
1389 switch (aParams.type()) {
1390 case IndexRequestParams::TGetParams:
1391 return actor->Get(aParams.get_GetParams());
1393 case IndexRequestParams::TGetKeyParams:
1394 return actor->GetKey(aParams.get_GetKeyParams());
1396 case IndexRequestParams::TGetAllParams:
1397 return actor->GetAll(aParams.get_GetAllParams());
1399 case IndexRequestParams::TGetAllKeysParams:
1400 return actor->GetAllKeys(aParams.get_GetAllKeysParams());
1402 case IndexRequestParams::TCountParams:
1403 return actor->Count(aParams.get_CountParams());
1405 case IndexRequestParams::TOpenCursorParams:
1406 return actor->OpenCursor(aParams.get_OpenCursorParams());
1408 case IndexRequestParams::TOpenKeyCursorParams:
1409 return actor->OpenKeyCursor(aParams.get_OpenKeyCursorParams());
1411 default:
1412 MOZ_CRASH("Unknown type!");
1413 }
1415 MOZ_CRASH("Should never get here!");
1416 }
1418 PIndexedDBRequestParent*
1419 IndexedDBIndexParent::AllocPIndexedDBRequestParent(const IndexRequestParams& aParams)
1420 {
1421 return new IndexedDBIndexRequestParent(mIndex, aParams.type());
1422 }
1424 bool
1425 IndexedDBIndexParent::DeallocPIndexedDBRequestParent(PIndexedDBRequestParent* aActor)
1426 {
1427 delete aActor;
1428 return true;
1429 }
1431 PIndexedDBCursorParent*
1432 IndexedDBIndexParent::AllocPIndexedDBCursorParent(
1433 const IndexCursorConstructorParams& aParams)
1434 {
1435 MOZ_CRASH("Caller is supposed to manually construct a cursor!");
1436 }
1438 bool
1439 IndexedDBIndexParent::DeallocPIndexedDBCursorParent(PIndexedDBCursorParent* aActor)
1440 {
1441 delete aActor;
1442 return true;
1443 }
1445 /*******************************************************************************
1446 * IndexedDBRequestParentBase
1447 ******************************************************************************/
1449 IndexedDBRequestParentBase::IndexedDBRequestParentBase()
1450 {
1451 MOZ_COUNT_CTOR(IndexedDBRequestParentBase);
1452 }
1454 IndexedDBRequestParentBase::~IndexedDBRequestParentBase()
1455 {
1456 MOZ_COUNT_DTOR(IndexedDBRequestParentBase);
1457 }
1459 void
1460 IndexedDBRequestParentBase::ActorDestroy(ActorDestroyReason aWhy)
1461 {
1462 if (mRequest) {
1463 mRequest->SetActor(nullptr);
1464 }
1465 }
1467 /*******************************************************************************
1468 * IndexedDBObjectStoreRequestParent
1469 ******************************************************************************/
1471 IndexedDBObjectStoreRequestParent::IndexedDBObjectStoreRequestParent(
1472 IDBObjectStore* aObjectStore,
1473 RequestType aRequestType)
1474 : mObjectStore(aObjectStore), mRequestType(aRequestType)
1475 {
1476 MOZ_COUNT_CTOR(IndexedDBObjectStoreRequestParent);
1477 // Sadly can't assert aObjectStore here...
1478 MOZ_ASSERT(aRequestType > ParamsUnionType::T__None &&
1479 aRequestType <= ParamsUnionType::T__Last);
1480 }
1482 IndexedDBObjectStoreRequestParent::~IndexedDBObjectStoreRequestParent()
1483 {
1484 MOZ_COUNT_DTOR(IndexedDBObjectStoreRequestParent);
1485 }
1487 void
1488 IndexedDBObjectStoreRequestParent::ConvertBlobActors(
1489 const InfallibleTArray<PBlobParent*>& aActors,
1490 nsTArray<nsCOMPtr<nsIDOMBlob> >& aBlobs)
1491 {
1492 MOZ_ASSERT(aBlobs.IsEmpty());
1493 MOZ_ASSERT(mObjectStore);
1495 if (!aActors.IsEmpty()) {
1496 // Walk the chain to get to ContentParent.
1497 MOZ_ASSERT(mObjectStore->Transaction()->Database()->GetContentParent());
1499 uint32_t length = aActors.Length();
1500 aBlobs.SetCapacity(length);
1502 for (uint32_t index = 0; index < length; index++) {
1503 BlobParent* actor = static_cast<BlobParent*>(aActors[index]);
1504 nsCOMPtr<nsIDOMBlob> blob = actor->GetBlob();
1505 aBlobs.AppendElement(blob);
1506 }
1507 }
1508 }
1510 bool
1511 IndexedDBObjectStoreRequestParent::IsDisconnected()
1512 {
1513 MOZ_ASSERT(mObjectStore);
1514 MOZ_ASSERT(mObjectStore->GetActorParent());
1515 return mObjectStore->GetActorParent()->IsDisconnected();
1516 }
1518 bool
1519 IndexedDBObjectStoreRequestParent::Get(const GetParams& aParams)
1520 {
1521 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetParams);
1522 MOZ_ASSERT(mObjectStore);
1524 nsRefPtr<IDBRequest> request;
1526 nsRefPtr<IDBKeyRange> keyRange =
1527 IDBKeyRange::FromSerializedKeyRange(aParams.keyRange());
1528 MOZ_ASSERT(keyRange);
1530 {
1531 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1533 ErrorResult rv;
1534 request = mObjectStore->GetInternal(keyRange, rv);
1535 ENSURE_SUCCESS(rv, false);
1536 }
1538 request->SetActor(this);
1539 mRequest.swap(request);
1541 return true;
1542 }
1544 bool
1545 IndexedDBObjectStoreRequestParent::GetAll(const GetAllParams& aParams)
1546 {
1547 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetAllParams);
1548 MOZ_ASSERT(mObjectStore);
1550 nsRefPtr<IDBRequest> request;
1552 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1554 nsRefPtr<IDBKeyRange> keyRange;
1556 switch (keyRangeUnion.type()) {
1557 case ipc::OptionalKeyRange::TKeyRange:
1558 keyRange =
1559 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1560 break;
1562 case ipc::OptionalKeyRange::Tvoid_t:
1563 break;
1565 default:
1566 MOZ_CRASH("Unknown param type!");
1567 }
1569 {
1570 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1572 ErrorResult rv;
1573 request = mObjectStore->GetAllInternal(keyRange, aParams.limit(), rv);
1574 ENSURE_SUCCESS(rv, false);
1575 }
1577 request->SetActor(this);
1578 mRequest.swap(request);
1579 return true;
1580 }
1582 bool
1583 IndexedDBObjectStoreRequestParent::GetAllKeys(const GetAllKeysParams& aParams)
1584 {
1585 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetAllKeysParams);
1586 MOZ_ASSERT(mObjectStore);
1588 nsRefPtr<IDBRequest> request;
1590 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1592 nsRefPtr<IDBKeyRange> keyRange;
1594 switch (keyRangeUnion.type()) {
1595 case ipc::OptionalKeyRange::TKeyRange:
1596 keyRange =
1597 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1598 break;
1600 case ipc::OptionalKeyRange::Tvoid_t:
1601 break;
1603 default:
1604 MOZ_CRASH("Unknown param type!");
1605 }
1607 {
1608 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1610 ErrorResult rv;
1611 request = mObjectStore->GetAllKeysInternal(keyRange, aParams.limit(), rv);
1612 ENSURE_SUCCESS(rv, false);
1613 }
1615 request->SetActor(this);
1616 mRequest.swap(request);
1617 return true;
1618 }
1620 bool
1621 IndexedDBObjectStoreRequestParent::Add(const AddParams& aParams)
1622 {
1623 MOZ_ASSERT(mRequestType == ParamsUnionType::TAddParams);
1624 MOZ_ASSERT(mObjectStore);
1626 ipc::AddPutParams params = aParams.commonParams();
1628 nsTArray<nsCOMPtr<nsIDOMBlob> > blobs;
1629 ConvertBlobActors(params.blobsParent(), blobs);
1631 nsRefPtr<IDBRequest> request;
1633 {
1634 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1636 nsresult rv =
1637 mObjectStore->AddOrPutInternal(params.cloneInfo(), params.key(),
1638 params.indexUpdateInfos(), blobs, false,
1639 getter_AddRefs(request));
1640 NS_ENSURE_SUCCESS(rv, false);
1641 }
1643 request->SetActor(this);
1644 mRequest.swap(request);
1645 return true;
1646 }
1648 bool
1649 IndexedDBObjectStoreRequestParent::Put(const PutParams& aParams)
1650 {
1651 MOZ_ASSERT(mRequestType == ParamsUnionType::TPutParams);
1652 MOZ_ASSERT(mObjectStore);
1654 ipc::AddPutParams params = aParams.commonParams();
1656 nsTArray<nsCOMPtr<nsIDOMBlob> > blobs;
1657 ConvertBlobActors(params.blobsParent(), blobs);
1659 nsRefPtr<IDBRequest> request;
1661 {
1662 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1664 nsresult rv =
1665 mObjectStore->AddOrPutInternal(params.cloneInfo(), params.key(),
1666 params.indexUpdateInfos(), blobs, true,
1667 getter_AddRefs(request));
1668 NS_ENSURE_SUCCESS(rv, false);
1669 }
1671 request->SetActor(this);
1672 mRequest.swap(request);
1673 return true;
1674 }
1676 bool
1677 IndexedDBObjectStoreRequestParent::Delete(const DeleteParams& aParams)
1678 {
1679 MOZ_ASSERT(mRequestType == ParamsUnionType::TDeleteParams);
1680 MOZ_ASSERT(mObjectStore);
1682 nsRefPtr<IDBRequest> request;
1684 nsRefPtr<IDBKeyRange> keyRange =
1685 IDBKeyRange::FromSerializedKeyRange(aParams.keyRange());
1686 MOZ_ASSERT(keyRange);
1688 {
1689 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1691 ErrorResult rv;
1692 request = mObjectStore->DeleteInternal(keyRange, rv);
1693 ENSURE_SUCCESS(rv, false);
1694 }
1696 request->SetActor(this);
1697 mRequest.swap(request);
1698 return true;
1699 }
1701 bool
1702 IndexedDBObjectStoreRequestParent::Clear(const ClearParams& aParams)
1703 {
1704 MOZ_ASSERT(mRequestType == ParamsUnionType::TClearParams);
1705 MOZ_ASSERT(mObjectStore);
1707 nsRefPtr<IDBRequest> request;
1709 {
1710 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1712 ErrorResult rv;
1713 request = mObjectStore->Clear(rv);
1714 ENSURE_SUCCESS(rv, false);
1715 }
1717 request->SetActor(this);
1718 mRequest.swap(request);
1719 return true;
1720 }
1722 bool
1723 IndexedDBObjectStoreRequestParent::Count(const CountParams& aParams)
1724 {
1725 MOZ_ASSERT(mRequestType == ParamsUnionType::TCountParams);
1726 MOZ_ASSERT(mObjectStore);
1728 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1730 nsRefPtr<IDBKeyRange> keyRange;
1732 switch (keyRangeUnion.type()) {
1733 case ipc::OptionalKeyRange::TKeyRange:
1734 keyRange =
1735 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1736 break;
1738 case ipc::OptionalKeyRange::Tvoid_t:
1739 break;
1741 default:
1742 MOZ_CRASH("Unknown param type!");
1743 }
1745 nsRefPtr<IDBRequest> request;
1747 {
1748 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1750 ErrorResult rv;
1751 request = mObjectStore->CountInternal(keyRange, rv);
1752 ENSURE_SUCCESS(rv, false);
1753 }
1755 request->SetActor(this);
1756 mRequest.swap(request);
1757 return true;
1758 }
1760 bool
1761 IndexedDBObjectStoreRequestParent::OpenCursor(const OpenCursorParams& aParams)
1762 {
1763 MOZ_ASSERT(mRequestType == ParamsUnionType::TOpenCursorParams);
1764 MOZ_ASSERT(mObjectStore);
1766 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1768 nsRefPtr<IDBKeyRange> keyRange;
1770 switch (keyRangeUnion.type()) {
1771 case ipc::OptionalKeyRange::TKeyRange:
1772 keyRange =
1773 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1774 break;
1776 case ipc::OptionalKeyRange::Tvoid_t:
1777 break;
1779 default:
1780 MOZ_CRASH("Unknown param type!");
1781 }
1783 size_t direction = static_cast<size_t>(aParams.direction());
1785 nsRefPtr<IDBRequest> request;
1787 {
1788 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1790 ErrorResult rv;
1791 request = mObjectStore->OpenCursorInternal(keyRange, direction, rv);
1792 ENSURE_SUCCESS(rv, false);
1793 }
1795 request->SetActor(this);
1796 mRequest.swap(request);
1797 return true;
1798 }
1800 bool
1801 IndexedDBObjectStoreRequestParent::OpenKeyCursor(
1802 const OpenKeyCursorParams& aParams)
1803 {
1804 MOZ_ASSERT(mRequestType == ParamsUnionType::TOpenKeyCursorParams);
1805 MOZ_ASSERT(mObjectStore);
1807 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1809 nsRefPtr<IDBKeyRange> keyRange;
1811 switch (keyRangeUnion.type()) {
1812 case ipc::OptionalKeyRange::TKeyRange:
1813 keyRange =
1814 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1815 break;
1817 case ipc::OptionalKeyRange::Tvoid_t:
1818 break;
1820 default:
1821 MOZ_CRASH("Unknown param type!");
1822 }
1824 size_t direction = static_cast<size_t>(aParams.direction());
1826 nsRefPtr<IDBRequest> request;
1828 {
1829 AutoSetCurrentTransaction asct(mObjectStore->Transaction());
1831 ErrorResult rv;
1832 request = mObjectStore->OpenKeyCursorInternal(keyRange, direction, rv);
1833 ENSURE_SUCCESS(rv, false);
1834 }
1836 request->SetActor(this);
1837 mRequest.swap(request);
1838 return true;
1839 }
1841 /*******************************************************************************
1842 * IndexedDBIndexRequestParent
1843 ******************************************************************************/
1845 IndexedDBIndexRequestParent::IndexedDBIndexRequestParent(
1846 IDBIndex* aIndex,
1847 RequestType aRequestType)
1848 : mIndex(aIndex), mRequestType(aRequestType)
1849 {
1850 MOZ_COUNT_CTOR(IndexedDBIndexRequestParent);
1851 // Sadly can't assert aIndex here...
1852 MOZ_ASSERT(aRequestType > ParamsUnionType::T__None &&
1853 aRequestType <= ParamsUnionType::T__Last);
1854 }
1856 IndexedDBIndexRequestParent::~IndexedDBIndexRequestParent()
1857 {
1858 MOZ_COUNT_DTOR(IndexedDBIndexRequestParent);
1859 }
1861 bool
1862 IndexedDBIndexRequestParent::IsDisconnected()
1863 {
1864 MOZ_ASSERT(mIndex);
1865 MOZ_ASSERT(mIndex->GetActorParent());
1866 return mIndex->GetActorParent()->IsDisconnected();
1867 }
1869 bool
1870 IndexedDBIndexRequestParent::Get(const GetParams& aParams)
1871 {
1872 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetParams);
1873 MOZ_ASSERT(mIndex);
1875 nsRefPtr<IDBRequest> request;
1877 nsRefPtr<IDBKeyRange> keyRange =
1878 IDBKeyRange::FromSerializedKeyRange(aParams.keyRange());
1879 MOZ_ASSERT(keyRange);
1881 {
1882 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
1884 ErrorResult rv;
1885 request = mIndex->GetInternal(keyRange, rv);
1886 ENSURE_SUCCESS(rv, false);
1887 }
1889 request->SetActor(this);
1890 mRequest.swap(request);
1891 return true;
1892 }
1894 bool
1895 IndexedDBIndexRequestParent::GetKey(const GetKeyParams& aParams)
1896 {
1897 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetKeyParams);
1898 MOZ_ASSERT(mIndex);
1900 nsRefPtr<IDBRequest> request;
1902 nsRefPtr<IDBKeyRange> keyRange =
1903 IDBKeyRange::FromSerializedKeyRange(aParams.keyRange());
1904 MOZ_ASSERT(keyRange);
1906 {
1907 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
1909 ErrorResult rv;
1910 request = mIndex->GetKeyInternal(keyRange, rv);
1911 ENSURE_SUCCESS(rv, false);
1912 }
1914 request->SetActor(this);
1915 mRequest.swap(request);
1916 return true;
1917 }
1919 bool
1920 IndexedDBIndexRequestParent::GetAll(const GetAllParams& aParams)
1921 {
1922 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetAllParams);
1923 MOZ_ASSERT(mIndex);
1925 nsRefPtr<IDBRequest> request;
1927 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1929 nsRefPtr<IDBKeyRange> keyRange;
1931 switch (keyRangeUnion.type()) {
1932 case ipc::OptionalKeyRange::TKeyRange:
1933 keyRange =
1934 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1935 break;
1937 case ipc::OptionalKeyRange::Tvoid_t:
1938 break;
1940 default:
1941 MOZ_CRASH("Unknown param type!");
1942 }
1944 {
1945 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
1947 ErrorResult rv;
1948 request = mIndex->GetAllInternal(keyRange, aParams.limit(), rv);
1949 ENSURE_SUCCESS(rv, false);
1950 }
1952 request->SetActor(this);
1953 mRequest.swap(request);
1954 return true;
1955 }
1957 bool
1958 IndexedDBIndexRequestParent::GetAllKeys(const GetAllKeysParams& aParams)
1959 {
1960 MOZ_ASSERT(mRequestType == ParamsUnionType::TGetAllKeysParams);
1961 MOZ_ASSERT(mIndex);
1963 nsRefPtr<IDBRequest> request;
1965 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
1967 nsRefPtr<IDBKeyRange> keyRange;
1969 switch (keyRangeUnion.type()) {
1970 case ipc::OptionalKeyRange::TKeyRange:
1971 keyRange =
1972 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
1973 break;
1975 case ipc::OptionalKeyRange::Tvoid_t:
1976 break;
1978 default:
1979 MOZ_CRASH("Unknown param type!");
1980 }
1982 {
1983 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
1985 ErrorResult rv;
1986 request = mIndex->GetAllKeysInternal(keyRange, aParams.limit(), rv);
1987 ENSURE_SUCCESS(rv, false);
1988 }
1990 request->SetActor(this);
1991 mRequest.swap(request);
1992 return true;
1993 }
1995 bool
1996 IndexedDBIndexRequestParent::Count(const CountParams& aParams)
1997 {
1998 MOZ_ASSERT(mRequestType == ParamsUnionType::TCountParams);
1999 MOZ_ASSERT(mIndex);
2001 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
2003 nsRefPtr<IDBKeyRange> keyRange;
2005 switch (keyRangeUnion.type()) {
2006 case ipc::OptionalKeyRange::TKeyRange:
2007 keyRange =
2008 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
2009 break;
2011 case ipc::OptionalKeyRange::Tvoid_t:
2012 break;
2014 default:
2015 MOZ_CRASH("Unknown param type!");
2016 }
2018 nsRefPtr<IDBRequest> request;
2020 {
2021 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
2023 ErrorResult rv;
2024 request = mIndex->CountInternal(keyRange, rv);
2025 ENSURE_SUCCESS(rv, false);
2026 }
2028 request->SetActor(this);
2029 mRequest.swap(request);
2030 return true;
2031 }
2033 bool
2034 IndexedDBIndexRequestParent::OpenCursor(const OpenCursorParams& aParams)
2035 {
2036 MOZ_ASSERT(mRequestType == ParamsUnionType::TOpenCursorParams);
2037 MOZ_ASSERT(mIndex);
2039 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
2041 nsRefPtr<IDBKeyRange> keyRange;
2043 switch (keyRangeUnion.type()) {
2044 case ipc::OptionalKeyRange::TKeyRange:
2045 keyRange =
2046 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
2047 break;
2049 case ipc::OptionalKeyRange::Tvoid_t:
2050 break;
2052 default:
2053 MOZ_CRASH("Unknown param type!");
2054 }
2056 size_t direction = static_cast<size_t>(aParams.direction());
2058 nsRefPtr<IDBRequest> request;
2060 {
2061 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
2063 nsresult rv =
2064 mIndex->OpenCursorInternal(keyRange, direction, getter_AddRefs(request));
2065 NS_ENSURE_SUCCESS(rv, false);
2066 }
2068 request->SetActor(this);
2069 mRequest.swap(request);
2070 return true;
2071 }
2073 bool
2074 IndexedDBIndexRequestParent::OpenKeyCursor(const OpenKeyCursorParams& aParams)
2075 {
2076 MOZ_ASSERT(mRequestType == ParamsUnionType::TOpenKeyCursorParams);
2077 MOZ_ASSERT(mIndex);
2079 const ipc::OptionalKeyRange keyRangeUnion = aParams.optionalKeyRange();
2081 nsRefPtr<IDBKeyRange> keyRange;
2083 switch (keyRangeUnion.type()) {
2084 case ipc::OptionalKeyRange::TKeyRange:
2085 keyRange =
2086 IDBKeyRange::FromSerializedKeyRange(keyRangeUnion.get_KeyRange());
2087 break;
2089 case ipc::OptionalKeyRange::Tvoid_t:
2090 break;
2092 default:
2093 MOZ_CRASH("Unknown param type!");
2094 }
2096 size_t direction = static_cast<size_t>(aParams.direction());
2098 nsRefPtr<IDBRequest> request;
2100 {
2101 AutoSetCurrentTransaction asct(mIndex->ObjectStore()->Transaction());
2103 ErrorResult rv;
2104 request = mIndex->OpenKeyCursorInternal(keyRange, direction, rv);
2105 ENSURE_SUCCESS(rv, false);
2106 }
2108 request->SetActor(this);
2109 mRequest.swap(request);
2110 return true;
2111 }
2113 /*******************************************************************************
2114 * IndexedDBCursorRequestParent
2115 ******************************************************************************/
2117 IndexedDBCursorRequestParent::IndexedDBCursorRequestParent(
2118 IDBCursor* aCursor,
2119 RequestType aRequestType)
2120 : mCursor(aCursor), mRequestType(aRequestType)
2121 {
2122 MOZ_COUNT_CTOR(IndexedDBCursorRequestParent);
2123 MOZ_ASSERT(aCursor);
2124 MOZ_ASSERT(aRequestType > ParamsUnionType::T__None &&
2125 aRequestType <= ParamsUnionType::T__Last);
2126 }
2128 IndexedDBCursorRequestParent::~IndexedDBCursorRequestParent()
2129 {
2130 MOZ_COUNT_DTOR(IndexedDBCursorRequestParent);
2131 }
2133 bool
2134 IndexedDBCursorRequestParent::IsDisconnected()
2135 {
2136 MOZ_ASSERT(mCursor);
2137 MOZ_ASSERT(mCursor->GetActorParent());
2138 return mCursor->GetActorParent()->IsDisconnected();
2139 }
2141 bool
2142 IndexedDBCursorRequestParent::Continue(const ContinueParams& aParams)
2143 {
2144 MOZ_ASSERT(mCursor);
2145 MOZ_ASSERT(mRequestType == ParamsUnionType::TContinueParams);
2147 {
2148 AutoSetCurrentTransaction asct(mCursor->Transaction());
2150 ErrorResult rv;
2151 mCursor->ContinueInternal(aParams.key(), aParams.count(), rv);
2152 ENSURE_SUCCESS(rv, false);
2153 }
2155 mRequest = mCursor->Request();
2156 MOZ_ASSERT(mRequest);
2158 mRequest->SetActor(this);
2159 return true;
2160 }
2162 /*******************************************************************************
2163 * IndexedDBDeleteDatabaseRequestParent
2164 ******************************************************************************/
2166 IndexedDBDeleteDatabaseRequestParent::IndexedDBDeleteDatabaseRequestParent(
2167 IDBFactory* aFactory)
2168 : mEventListener(MOZ_THIS_IN_INITIALIZER_LIST()), mFactory(aFactory)
2169 {
2170 MOZ_COUNT_CTOR(IndexedDBDeleteDatabaseRequestParent);
2171 MOZ_ASSERT(aFactory);
2172 }
2174 IndexedDBDeleteDatabaseRequestParent::~IndexedDBDeleteDatabaseRequestParent()
2175 {
2176 MOZ_COUNT_DTOR(IndexedDBDeleteDatabaseRequestParent);
2177 }
2179 nsresult
2180 IndexedDBDeleteDatabaseRequestParent::HandleEvent(nsIDOMEvent* aEvent)
2181 {
2182 MOZ_ASSERT(aEvent);
2184 if (IsDisconnected()) {
2185 // We're shutting down, ignore this event.
2186 return NS_OK;
2187 }
2189 nsString type;
2190 nsresult rv = aEvent->GetType(type);
2191 NS_ENSURE_SUCCESS(rv, rv);
2193 if (type.EqualsASCII(BLOCKED_EVT_STR)) {
2194 nsCOMPtr<IDBVersionChangeEvent> event = do_QueryInterface(aEvent);
2195 MOZ_ASSERT(event);
2197 uint64_t currentVersion = event->OldVersion();
2199 if (!SendBlocked(currentVersion)) {
2200 return NS_ERROR_FAILURE;
2201 }
2203 return NS_OK;
2204 }
2206 #ifdef DEBUG
2207 if (type.EqualsASCII(SUCCESS_EVT_STR)) {
2208 MOZ_ASSERT(NS_SUCCEEDED(mOpenRequest->GetErrorCode()));
2209 }
2210 else {
2211 MOZ_ASSERT(type.EqualsASCII(ERROR_EVT_STR));
2212 MOZ_ASSERT(NS_FAILED(mOpenRequest->GetErrorCode()));
2213 }
2214 #endif
2216 if (!Send__delete__(this, mOpenRequest->GetErrorCode())) {
2217 return NS_ERROR_FAILURE;
2218 }
2220 return NS_OK;
2221 }
2223 nsresult
2224 IndexedDBDeleteDatabaseRequestParent::SetOpenRequest(
2225 IDBOpenDBRequest* aOpenRequest)
2226 {
2227 MOZ_ASSERT(aOpenRequest);
2228 MOZ_ASSERT(!mOpenRequest);
2230 EventTarget* target = static_cast<EventTarget*>(aOpenRequest);
2232 nsresult rv = target->AddEventListener(NS_LITERAL_STRING(SUCCESS_EVT_STR),
2233 mEventListener, false);
2234 NS_ENSURE_SUCCESS(rv, rv);
2236 rv = target->AddEventListener(NS_LITERAL_STRING(ERROR_EVT_STR),
2237 mEventListener, false);
2238 NS_ENSURE_SUCCESS(rv, rv);
2240 rv = target->AddEventListener(NS_LITERAL_STRING(BLOCKED_EVT_STR),
2241 mEventListener, false);
2242 NS_ENSURE_SUCCESS(rv, rv);
2244 mOpenRequest = aOpenRequest;
2245 return NS_OK;
2246 }
2248 /*******************************************************************************
2249 * WeakEventListener
2250 ******************************************************************************/
2252 NS_IMPL_ISUPPORTS(WeakEventListenerBase, nsIDOMEventListener)
2254 NS_IMETHODIMP
2255 WeakEventListenerBase::HandleEvent(nsIDOMEvent* aEvent)
2256 {
2257 MOZ_CRASH("This must be overridden!");
2258 }
