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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC.
* OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/modules/indexeddb/idb_factory_client.h"
#include <memory>
#include <utility>
#include "base/memory/ptr_util.h"
#include "third_party/blink/public/mojom/indexeddb/indexeddb.mojom-blink.h"
#include "third_party/blink/public/platform/web_blob_info.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/dom/quota_exceeded_error.h"
#include "third_party/blink/renderer/modules/indexed_db_names.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_metadata.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_open_db_request.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_value.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/std_lib_extras.h"
namespace blink {
IDBFactoryClient::IDBFactoryClient(IDBOpenDBRequest* request)
: request_(request) {
task_runner_ =
request_->GetExecutionContext()->GetTaskRunner(TaskType::kDatabaseAccess);
}
IDBFactoryClient::~IDBFactoryClient() {
Detach();
}
void IDBFactoryClient::Detach() {
DetachFromRequest();
DetachRequest();
}
void IDBFactoryClient::DetachFromRequest() {
if (request_) {
request_->FactoryClientDestroyed(this);
}
}
void IDBFactoryClient::DetachRequest() {
request_.Clear();
}
void IDBFactoryClient::Error(mojom::blink::IDBException code,
const String& message) {
if (!request_) {
return;
}
// In some cases, the backend clears the pending transaction task queue which
// destroys all pending tasks. If our callback was queued with a task that
// gets cleared, we'll get a signal with an IgnorableAbortError as the task is
// torn down. This means the error response can be safely ignored.
if (code == mojom::blink::IDBException::kIgnorableAbortError) {
Detach();
return;
}
IDBOpenDBRequest* request = request_.Get();
Detach();
DOMException* dom_exception;
if (code == mojom::blink::IDBException::kQuotaError &&
RuntimeEnabledFeatures::QuotaExceededErrorUpdateEnabled()) {
dom_exception = MakeGarbageCollected<QuotaExceededError>(message);
} else {
dom_exception = MakeGarbageCollected<DOMException>(
static_cast<DOMExceptionCode>(code), message);
}
request->OnDBFactoryError(dom_exception);
}
void IDBFactoryClient::OpenSuccess(
mojo::PendingAssociatedRemote<mojom::blink::IDBDatabase> pending_database,
const IDBDatabaseMetadata& metadata) {
if (!request_) {
return;
}
#if DCHECK_IS_ON()
DCHECK(!request_->TransactionHasQueuedResults());
#endif // DCHECK_IS_ON()
IDBOpenDBRequest* request = request_.Get();
Detach();
request->OnOpenDBSuccess(std::move(pending_database), task_runner_,
metadata);
// `this` may be deleted because event dispatch can run a nested loop.
}
void IDBFactoryClient::DeleteSuccess(int64_t old_version) {
if (!request_) {
return;
}
IDBOpenDBRequest* request = request_.Get();
Detach();
request->OnDeleteDBSuccess(old_version);
// `this` may be deleted because event dispatch can run a nested loop.
}
void IDBFactoryClient::Blocked(int64_t old_version) {
if (!request_) {
return;
}
#if DCHECK_IS_ON()
DCHECK(!request_->TransactionHasQueuedResults());
#endif // DCHECK_IS_ON()
request_->OnBlocked(old_version);
// `this` may be deleted because event dispatch can run a nested loop.
// Not resetting |request_|. In this instance we will have to forward at
// least one other call in the set UpgradeNeeded() / OpenSuccess() /
// Error().
}
void IDBFactoryClient::UpgradeNeeded(
mojo::PendingAssociatedRemote<mojom::blink::IDBDatabase> pending_database,
int64_t old_version,
mojom::blink::IDBDataLoss data_loss,
const String& data_loss_message,
const IDBDatabaseMetadata& metadata) {
if (!request_) {
return;
}
#if DCHECK_IS_ON()
DCHECK(!request_->TransactionHasQueuedResults());
#endif // DCHECK_IS_ON()
request_->OnUpgradeNeeded(old_version, std::move(pending_database),
task_runner_, IDBDatabaseMetadata(metadata),
data_loss, data_loss_message);
// `this` may be deleted because event dispatch can run a nested loop.
// Not resetting |request_|. In this instance we will have to forward at
// least one other call in the set UpgradeNeeded() / OpenSuccess() /
// Error().
}
} // namespace blink
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