/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *		http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _MTP_DATABASE_H
#define _MTP_DATABASE_H

#include "MtpTypes.h"
#include "MtpStringBuffer.h"

class MtpDataPacket;
class MtpProperty;
class MtpObjectInfo;

class MtpDatabase {
public:
	virtual ~MtpDatabase() {}

	// called from SendObjectInfo to reserve a database entry for the incoming file
	virtual MtpObjectHandle			beginSendObject(const char* path,
											MtpObjectFormat format,
											MtpObjectHandle parent,
											MtpStorageID storage,
											uint64_t size,
											time_t modified) = 0;

	// called to report success or failure of the SendObject file transfer
	// success should signal a notification of the new object's creation,
	// failure should remove the database entry created in beginSendObject
	virtual void					endSendObject(const char* path,
											MtpObjectHandle handle,
											MtpObjectFormat format,
											bool succeeded) = 0;

	virtual MtpObjectHandleList*	getObjectList(MtpStorageID storageID,
											MtpObjectFormat format,
											MtpObjectHandle parent) = 0;

	virtual int						getNumObjects(MtpStorageID storageID,
											MtpObjectFormat format,
											MtpObjectHandle parent) = 0;

	// callee should delete[] the results from these
	// results can be NULL
	virtual MtpObjectFormatList*	getSupportedPlaybackFormats() = 0;
	virtual MtpObjectFormatList*	getSupportedCaptureFormats() = 0;
	virtual MtpObjectPropertyList*	getSupportedObjectProperties(MtpObjectFormat format) = 0;
	virtual MtpDevicePropertyList*	getSupportedDeviceProperties() = 0;

	virtual void					createDB(MtpStorage* storage, MtpStorageID storageID) = 0;

	virtual MtpResponseCode			getObjectPropertyValue(MtpObjectHandle handle,
											MtpObjectProperty property,
											MtpDataPacket& packet) = 0;

	virtual MtpResponseCode			setObjectPropertyValue(MtpObjectHandle handle,
											MtpObjectProperty property,
											MtpDataPacket& packet) = 0;

	virtual MtpResponseCode			getDevicePropertyValue(MtpDeviceProperty property,
											MtpDataPacket& packet) = 0;

	virtual MtpResponseCode			setDevicePropertyValue(MtpDeviceProperty property,
											MtpDataPacket& packet) = 0;

	virtual MtpResponseCode			resetDeviceProperty(MtpDeviceProperty property) = 0;

	virtual MtpResponseCode			getObjectPropertyList(MtpObjectHandle handle,
											uint32_t format, uint32_t property,
											int groupCode, int depth,
											MtpDataPacket& packet) = 0;

	virtual MtpResponseCode			getObjectInfo(MtpObjectHandle handle,
											MtpObjectInfo& info) = 0;

	virtual void*					getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) = 0;

	virtual MtpResponseCode			getObjectFilePath(MtpObjectHandle handle,
											MtpStringBuffer& outFilePath,
											int64_t& outFileLength,
											MtpObjectFormat& outFormat) = 0;

	// virtual MtpResponseCode		   deleteFile(MtpObjectHandle handle) = 0;

	virtual MtpObjectHandleList*	getObjectReferences(MtpObjectHandle handle) = 0;

	virtual MtpResponseCode			setObjectReferences(MtpObjectHandle handle,
											MtpObjectHandleList* references) = 0;

	virtual MtpProperty*			getObjectPropertyDesc(MtpObjectProperty property,
											MtpObjectFormat format) = 0;

	virtual MtpProperty*			getDevicePropertyDesc(MtpDeviceProperty property) = 0;

	virtual void					sessionStarted() = 0;

	virtual void					sessionEnded() = 0;
};

#endif // _MTP_DATABASE_H