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Mike Lockwood755fd612010-05-25 19:08:48 -04001/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _MTP_DEVICE_H
18#define _MTP_DEVICE_H
19
20#include "MtpRequestPacket.h"
21#include "MtpDataPacket.h"
22#include "MtpResponsePacket.h"
23#include "MtpTypes.h"
24
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040025#include <utils/threads.h>
26
Mike Lockwood3e6616d2010-06-29 18:11:52 -040027struct usb_device;
28
Mike Lockwood755fd612010-05-25 19:08:48 -040029namespace android {
30
31class MtpDeviceInfo;
32class MtpObjectInfo;
33class MtpStorageInfo;
34
35class MtpDevice {
36private:
37 struct usb_device* mDevice;
38 int mInterface;
39 struct usb_endpoint* mEndpointIn;
40 struct usb_endpoint* mEndpointOut;
41 struct usb_endpoint* mEndpointIntr;
42 MtpDeviceInfo* mDeviceInfo;
Mike Lockwood90f48732010-06-05 22:45:01 -040043 MtpPropertyList mDeviceProperties;
Mike Lockwood755fd612010-05-25 19:08:48 -040044
45 // a unique ID for the device
46 int mID;
47
48 // current session ID
49 MtpSessionID mSessionID;
50 // current transaction ID
51 MtpTransactionID mTransactionID;
52
53 MtpRequestPacket mRequest;
54 MtpDataPacket mData;
55 MtpResponsePacket mResponse;
56
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040057 // to ensure only one MTP transaction at a time
58 Mutex mMutex;
59
Mike Lockwood755fd612010-05-25 19:08:48 -040060public:
61 MtpDevice(struct usb_device* device, int interface,
62 struct usb_endpoint *ep_in, struct usb_endpoint *ep_out,
63 struct usb_endpoint *ep_intr);
64 virtual ~MtpDevice();
65
66 inline int getID() const { return mID; }
67
68 void initialize();
69 void close();
70 const char* getDeviceName();
71
72 bool openSession();
73 bool closeSession();
74
75 MtpDeviceInfo* getDeviceInfo();
76 MtpStorageIDList* getStorageIDs();
77 MtpStorageInfo* getStorageInfo(MtpStorageID storageID);
78 MtpObjectHandleList* getObjectHandles(MtpStorageID storageID, MtpObjectFormat format, MtpObjectHandle parent);
79 MtpObjectInfo* getObjectInfo(MtpObjectHandle handle);
Mike Lockwooddda56862010-06-10 16:34:20 -040080 void* getThumbnail(MtpObjectHandle handle, int& outLength);
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040081 MtpObjectHandle sendObjectInfo(MtpObjectInfo* info);
82 bool sendObject(MtpObjectInfo* info, int srcFD);
Mike Lockwoode0a89f62010-06-11 16:34:52 -040083 bool deleteObject(MtpObjectHandle handle);
84 MtpObjectHandle getParent(MtpObjectHandle handle);
85 MtpObjectHandle getStorageID(MtpObjectHandle handle);
Mike Lockwood755fd612010-05-25 19:08:48 -040086
Mike Lockwood90f48732010-06-05 22:45:01 -040087 MtpProperty* getDevicePropDesc(MtpDeviceProperty code);
88
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040089 // returns the file descriptor for a pipe to read the object's data
90 int readObject(MtpObjectHandle handle, int objectSize);
91
Mike Lockwood755fd612010-05-25 19:08:48 -040092private:
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040093 friend class ReadObjectThread;
94
Mike Lockwood755fd612010-05-25 19:08:48 -040095 bool sendRequest(MtpOperationCode operation);
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040096 bool sendData();
Mike Lockwood755fd612010-05-25 19:08:48 -040097 bool readData();
Mike Lockwoodbc4cb0b2010-07-26 20:40:45 -040098 bool writeDataHeader(MtpOperationCode operation, int dataLength);
Mike Lockwood755fd612010-05-25 19:08:48 -040099 MtpResponseCode readResponse();
100
101};
102
103}; // namespace android
104
105#endif // _MTP_DEVICE_H