blob: 5787ecca819bca6060f85518be0f9b0e7a00ddb5 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/indexed_db/indexed_db_database_callbacks.h"
#include <utility>
#include "base/bind.h"
#include "base/task/post_task.h"
#include "base/threading/sequenced_task_runner_handle.h"
#include "content/browser/indexed_db/indexed_db_context_impl.h"
#include "content/browser/indexed_db/indexed_db_database_error.h"
#include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
#include "content/browser/indexed_db/indexed_db_transaction.h"
#include "content/public/browser/browser_task_traits.h"
using blink::mojom::IDBDatabaseCallbacksAssociatedPtrInfo;
namespace content {
IndexedDBDatabaseCallbacks::IndexedDBDatabaseCallbacks(
scoped_refptr<IndexedDBContextImpl> context,
mojo::PendingAssociatedRemote<blink::mojom::IDBDatabaseCallbacks>
callbacks_remote,
base::SequencedTaskRunner* idb_runner)
: indexed_db_context_(std::move(context)) {
DCHECK(idb_runner->RunsTasksInCurrentSequence());
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!callbacks_remote.is_valid())
return;
callbacks_.Bind(std::move(callbacks_remote));
// |callbacks_| is owned by |this|, so if |this| is destroyed, then
// |callbacks_| will also be destroyed. While |callbacks_| is otherwise
// alive, |this| will always be valid.
callbacks_.set_disconnect_handler(base::BindOnce(
&IndexedDBDatabaseCallbacks::OnConnectionError, base::Unretained(this)));
}
IndexedDBDatabaseCallbacks::~IndexedDBDatabaseCallbacks() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// Transfer |context_| ownership to a new task to prevent re-entrancy through
// IndexedDBFactory::ContextDestroyed.
base::SequencedTaskRunnerHandle::Get()->ReleaseSoon(
FROM_HERE, std::move(indexed_db_context_));
}
void IndexedDBDatabaseCallbacks::OnForcedClose() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (complete_)
return;
if (callbacks_)
callbacks_->ForcedClose();
complete_ = true;
}
void IndexedDBDatabaseCallbacks::OnVersionChange(int64_t old_version,
int64_t new_version) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (complete_)
return;
if (callbacks_)
callbacks_->VersionChange(old_version, new_version);
}
void IndexedDBDatabaseCallbacks::OnAbort(
const IndexedDBTransaction& transaction,
const IndexedDBDatabaseError& error) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (complete_)
return;
if (callbacks_)
callbacks_->Abort(transaction.id(), error.code(), error.message());
}
void IndexedDBDatabaseCallbacks::OnComplete(
const IndexedDBTransaction& transaction) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (complete_)
return;
indexed_db_context_->TransactionComplete(transaction.database()->origin());
if (callbacks_)
callbacks_->Complete(transaction.id());
}
void IndexedDBDatabaseCallbacks::OnDatabaseChange(
blink::mojom::IDBObserverChangesPtr changes) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (callbacks_)
callbacks_->Changes(std::move(changes));
}
void IndexedDBDatabaseCallbacks::OnConnectionError() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
callbacks_.reset();
}
} // namespace content