MtpDevice.h revision 5ed68d29a140e14c8d46980fa844548eb33b1e87 
1/*
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
25namespace android {
26
27class MtpDeviceInfo;
28class MtpObjectInfo;
29class MtpStorageInfo;
30
31class MtpDevice {
32private:
33    struct usb_device*      mDevice;
34    int                     mInterface;
35    struct usb_endpoint*    mEndpointIn;
36    struct usb_endpoint*    mEndpointOut;
37    struct usb_endpoint*    mEndpointIntr;
38    MtpDeviceInfo*          mDeviceInfo;
39
40    // a unique ID for the device
41    int                     mID;
42
43    // current session ID
44    MtpSessionID            mSessionID;
45    // current transaction ID
46    MtpTransactionID        mTransactionID;
47
48    MtpRequestPacket        mRequest;
49    MtpDataPacket           mData;
50    MtpResponsePacket       mResponse;
51
52public:
53                            MtpDevice(struct usb_device* device, int interface,
54                                    struct usb_endpoint *ep_in, struct usb_endpoint *ep_out,
55                                    struct usb_endpoint *ep_intr);
56    virtual                 ~MtpDevice();
57
58    inline int              getID() const { return mID; }
59
60    void                    initialize();
61    void                    close();
62    const char*             getDeviceName();
63
64    bool                    openSession();
65    bool                    closeSession();
66
67    MtpDeviceInfo*          getDeviceInfo();
68    MtpStorageIDList*       getStorageIDs();
69    MtpStorageInfo*         getStorageInfo(MtpStorageID storageID);
70    MtpObjectHandleList*    getObjectHandles(MtpStorageID storageID, MtpObjectFormat format, MtpObjectHandle parent);
71    MtpObjectInfo*          getObjectInfo(MtpObjectHandle handle);
72
73private:
74    bool                    sendRequest(MtpOperationCode operation);
75    bool                    sendData(MtpOperationCode operation);
76    bool                    readData();
77    MtpResponseCode         readResponse();
78
79};
80
81}; // namespace android
82
83#endif // _MTP_DEVICE_H
84