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/*
* Copyright (C) 2012 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 APPLE 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 APPLE 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_OPEN_DB_REQUEST_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_OPEN_DB_REQUEST_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "third_party/blink/public/mojom/indexeddb/indexeddb.mojom-blink.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_factory_client.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_request.h"
#include "third_party/blink/renderer/modules/indexeddb/idb_transaction.h"
#include "third_party/blink/renderer/modules/modules_export.h"
namespace blink {
class MODULES_EXPORT IDBOpenDBRequest final : public IDBRequest {
DEFINE_WRAPPERTYPEINFO();
public:
IDBOpenDBRequest(
ScriptState*,
mojo::PendingAssociatedReceiver<mojom::blink::IDBDatabaseCallbacks>
callbacks_receiver,
IDBTransaction::TransactionMojoRemote transaction_remote,
int64_t transaction_id,
int64_t version,
IDBRequest::AsyncTraceState metrics);
~IDBOpenDBRequest() override;
void Trace(Visitor*) const override;
// Returns a new IDBFactoryClient for this request.
//
// Each call must be paired with a FactoryClientDestroyed() call.
std::unique_ptr<IDBFactoryClient> CreateFactoryClient();
void FactoryClientDestroyed(IDBFactoryClient*);
// These methods dispatch results directly, skipping the transaction's result
// queue (see IDBRequest::HandleResponse()). This is safe because the open
// request cannot be issued after a request that needs processing.
void OnBlocked(int64_t existing_version);
void OnUpgradeNeeded(int64_t old_version,
mojo::PendingAssociatedRemote<mojom::blink::IDBDatabase>,
scoped_refptr<base::SingleThreadTaskRunner>,
const IDBDatabaseMetadata&,
mojom::blink::IDBDataLoss,
String data_loss_message);
void OnOpenDBSuccess(mojo::PendingAssociatedRemote<mojom::blink::IDBDatabase>,
scoped_refptr<base::SingleThreadTaskRunner>,
const IDBDatabaseMetadata&);
void OnDeleteDBSuccess(int64_t old_version);
void OnDBFactoryError(DOMException*);
// ExecutionContextLifecycleObserver
void ContextDestroyed() final;
// EventTarget
const AtomicString& InterfaceName() const override;
void set_connection_priority(int priority) {
connection_priority_ = priority;
metrics_.set_is_fg_client(priority == 0);
}
DEFINE_ATTRIBUTE_EVENT_LISTENER(blocked, kBlocked)
DEFINE_ATTRIBUTE_EVENT_LISTENER(upgradeneeded, kUpgradeneeded)
protected:
bool CanStillSendResult() const override;
// EventTarget
DispatchEventResult DispatchEventInternal(Event&) override;
private:
mojo::PendingAssociatedReceiver<mojom::blink::IDBDatabaseCallbacks>
callbacks_receiver_;
IDBTransaction::TransactionMojoRemote transaction_remote_;
const int64_t transaction_id_;
int64_t version_;
base::Time start_time_;
bool open_time_recorded_ = false;
// The priority for this connection request which is passed to the backend.
// This should be passed along to the database after a successful open
// attempt.
int connection_priority_ = 0;
// Pointer back to the IDBFactoryClient that holds a persistent reference
// to this object.
raw_ptr<IDBFactoryClient> factory_client_ = nullptr;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_IDB_OPEN_DB_REQUEST_H_
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