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// 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.
#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "content/browser/indexed_db/indexed_db_database_error.h"
#include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
#include "content/common/indexed_db/indexed_db_key.h"
#include "content/common/indexed_db/indexed_db_key_path.h"
#include "url/gurl.h"
namespace content {
class IndexedDBBlobInfo;
class IndexedDBConnection;
class IndexedDBCursor;
class IndexedDBDatabase;
class IndexedDBDatabaseCallbacks;
struct IndexedDBDatabaseMetadata;
struct IndexedDBValue;
class CONTENT_EXPORT IndexedDBCallbacks
: public base::RefCounted<IndexedDBCallbacks> {
public:
// Simple payload responses
IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
int32 ipc_thread_id,
int32 ipc_callbacks_id);
// IndexedDBCursor responses
IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
int32 ipc_thread_id,
int32 ipc_callbacks_id,
int32 ipc_cursor_id);
// IndexedDBDatabase responses
IndexedDBCallbacks(IndexedDBDispatcherHost* dispatcher_host,
int32 ipc_thread_id,
int32 ipc_callbacks_id,
int32 ipc_database_callbacks_id,
int64 host_transaction_id,
const GURL& origin_url);
virtual void OnError(const IndexedDBDatabaseError& error);
// IndexedDBFactory::GetDatabaseNames
virtual void OnSuccess(const std::vector<base::string16>& string);
// IndexedDBFactory::Open / DeleteDatabase
virtual void OnBlocked(int64 existing_version);
// IndexedDBFactory::Open
virtual void OnDataLoss(blink::WebIDBDataLoss data_loss,
std::string data_loss_message);
virtual void OnUpgradeNeeded(
int64 old_version,
scoped_ptr<IndexedDBConnection> connection,
const content::IndexedDBDatabaseMetadata& metadata);
virtual void OnSuccess(scoped_ptr<IndexedDBConnection> connection,
const content::IndexedDBDatabaseMetadata& metadata);
// IndexedDBDatabase::OpenCursor
virtual void OnSuccess(scoped_refptr<IndexedDBCursor> cursor,
const IndexedDBKey& key,
const IndexedDBKey& primary_key,
IndexedDBValue* value);
// IndexedDBCursor::Continue / Advance
virtual void OnSuccess(const IndexedDBKey& key,
const IndexedDBKey& primary_key,
IndexedDBValue* value);
// IndexedDBCursor::PrefetchContinue
virtual void OnSuccessWithPrefetch(
const std::vector<IndexedDBKey>& keys,
const std::vector<IndexedDBKey>& primary_keys,
std::vector<IndexedDBValue>* values);
// IndexedDBDatabase::Get (with key injection)
virtual void OnSuccess(IndexedDBValue* value,
const IndexedDBKey& key,
const IndexedDBKeyPath& key_path);
// IndexedDBDatabase::Get
virtual void OnSuccess(IndexedDBValue* value);
// IndexedDBDatabase::Put / IndexedDBCursor::Update
virtual void OnSuccess(const IndexedDBKey& key);
// IndexedDBDatabase::Count
// IndexedDBFactory::DeleteDatabase
virtual void OnSuccess(int64 value);
// IndexedDBDatabase::Delete
// IndexedDBCursor::Continue / Advance (when complete)
virtual void OnSuccess();
blink::WebIDBDataLoss data_loss() const { return data_loss_; }
void SetConnectionOpenStartTime(const base::TimeTicks& start_time);
protected:
virtual ~IndexedDBCallbacks();
private:
void RegisterBlobsAndSend(const std::vector<IndexedDBBlobInfo>& blob_info,
const base::Closure& callback);
friend class base::RefCounted<IndexedDBCallbacks>;
// Originally from IndexedDBCallbacks:
scoped_refptr<IndexedDBDispatcherHost> dispatcher_host_;
int32 ipc_callbacks_id_;
int32 ipc_thread_id_;
// IndexedDBCursor callbacks ------------------------
int32 ipc_cursor_id_;
// IndexedDBDatabase callbacks ------------------------
int64 host_transaction_id_;
GURL origin_url_;
int32 ipc_database_id_;
int32 ipc_database_callbacks_id_;
// Stored in OnDataLoss, merged with OnUpgradeNeeded response.
blink::WebIDBDataLoss data_loss_;
std::string data_loss_message_;
// The "blocked" event should be sent at most once per request.
bool sent_blocked_;
base::TimeTicks connection_open_start_time_;
DISALLOW_COPY_AND_ASSIGN(IndexedDBCallbacks);
};
} // namespace content
#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_
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