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// Copyright 2016 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_INDEXED_DB_CALLBACKS_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_INDEXED_DB_CALLBACKS_IMPL_H_
#include <stdint.h>
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/bindings/associated_binding.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_key.h"
#include "third_party/blink/public/common/indexeddb/indexeddb_metadata.h"
#include "third_party/blink/public/mojom/indexeddb/indexeddb.mojom-blink.h"
namespace blink {
class WebIDBCallbacks;
class WebIDBCursorImpl;
class WebIDBValue;
// Implements the child-process end of the pipe used to deliver callbacks.
// |callback_runner_| is used to post tasks back to the thread which owns the
// blink::WebIDBCallbacks.
class IndexedDBCallbacksImpl : public mojom::blink::IDBCallbacks {
public:
// |kNoTransaction| is used as the default transaction ID when instantiating
// an IndexedDBCallbacksImpl instance. See web_idb_factory_impl.cc for those
// cases.
enum : int64_t { kNoTransaction = -1 };
static WebIDBValue ConvertValue(const mojom::blink::IDBValuePtr& value);
IndexedDBCallbacksImpl(std::unique_ptr<WebIDBCallbacks> callbacks,
int64_t transaction_id,
const base::WeakPtr<WebIDBCursorImpl>& cursor);
~IndexedDBCallbacksImpl() override;
// mojom::blink::IDBCallbacks implementation:
void Error(int32_t code, const String& message) override;
void SuccessNamesAndVersionsList(
Vector<mojom::blink::IDBNameAndVersionPtr> names_and_versions) override;
void SuccessStringList(const Vector<String>& value) override;
void Blocked(int64_t existing_version) override;
void UpgradeNeeded(mojom::blink::IDBDatabaseAssociatedPtrInfo database_info,
int64_t old_version,
mojom::IDBDataLoss data_loss,
const String& data_loss_message,
const WebIDBMetadata& metadata) override;
void SuccessDatabase(mojom::blink::IDBDatabaseAssociatedPtrInfo database_info,
const WebIDBMetadata& metadata) override;
void SuccessCursor(mojom::blink::IDBCursorAssociatedPtrInfo cursor,
WebIDBKey key,
WebIDBKey primary_key,
mojom::blink::IDBValuePtr value) override;
void SuccessValue(mojom::blink::IDBReturnValuePtr value) override;
void SuccessCursorContinue(WebIDBKey key,
WebIDBKey primary_key,
mojom::blink::IDBValuePtr value) override;
void SuccessCursorPrefetch(Vector<WebIDBKey> keys,
Vector<WebIDBKey> primary_keys,
Vector<mojom::blink::IDBValuePtr> values) override;
void SuccessArray(Vector<mojom::blink::IDBReturnValuePtr> values) override;
void SuccessKey(WebIDBKey key) override;
void SuccessInteger(int64_t value) override;
void Success() override;
private:
scoped_refptr<base::SingleThreadTaskRunner> callback_runner_;
std::unique_ptr<WebIDBCallbacks> callbacks_;
base::WeakPtr<WebIDBCursorImpl> cursor_;
int64_t transaction_id_;
DISALLOW_COPY_AND_ASSIGN(IndexedDBCallbacksImpl);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_INDEXEDDB_INDEXED_DB_CALLBACKS_IMPL_H_
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