1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
*
* $Id: k3bdevicehandler.h 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <[email protected]>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_DEVICE_HANDLER_H_
#define _K3B_DEVICE_HANDLER_H_
#include <k3bthreadjob.h>
#include "k3bdevice.h"
#include "k3bdiskinfo.h"
#include "k3bmsf.h"
#include "k3bcdtext.h"
#include "k3b_export.h"
#include <tqcstring.h>
class TQCustomEvent;
namespace K3bDevice
{
class Device;
/**
* The K3bDevice::Devicehandler is a threaded wrapper around K3bDevice::Device.
* It allows async access to the time comsuming blocking K3bDevice::Device methods.
* Since it's a K3bJob it is very easy to handle. Just use one of the methods and
* connect to the finished signal.
* Be aware that all methods only return valid values if the corresponding info has
* been successfuly requested.
*
* Be aware that multiple requests in a row (without waiting for the job to finish) will
* only result in one finished() signal answering the last request.
*/
class LIBK3B_EXPORT DeviceHandler : public K3bThreadJob
{
Q_OBJECT
TQ_OBJECT
public:
DeviceHandler( Device*, TQObject* tqparent = 0, const char* name = 0 );
DeviceHandler( TQObject* tqparent = 0, const char* name = 0 );
/**
* This constructor is used by the global "quick" methods and should not be used
* otherwise except for the same usage.
*/
DeviceHandler( int command, Device*, const char* name = 0 );
~DeviceHandler();
const DiskInfo& diskInfo() const;
const Toc& toc() const;
const CdText& cdText() const;
const TQByteArray& cdTextRaw() const;
K3b::Msf diskSize() const;
K3b::Msf remainingSize() const;
int tocType() const;
int numSessions() const;
long long bufferCapacity() const;
long long availableBufferCapacity() const;
bool success() const;
/**
* Use this when the command
* returnes some error code.
*/
int errorCode() const;
enum Command {
/**
* Always successful, even with an empty or no media at all!
*/
NG_DISKINFO = 1, // TODO: rename this into DISKINFO
/**
* Always successful, even with an empty or no media at all!
*/
TOC = 2,
/**
* Successful if the media contains CD-Text.
*/
CD_TEXT = 4,
/**
* Successful if the media contains CD-Text.
*/
CD_TEXT_RAW = 8,
/**
* Always successful, even with an empty or no media at all!
*/
DISKSIZE = 16,
/**
* Always successful, even with an empty or no media at all!
*/
REMAININGSIZE = 32,
/**
* Always successful, even with an empty or no media at all!
*/
TOCTYPE = 64,
/**
* Always successful, even with an empty or no media at all!
*/
NUMSESSIONS = 128,
/**
* Successful if the drive could be blocked.
*/
BLOCK = 256,
/**
* Successful if the drive could be unblocked.
*/
UNBLOCK = 512,
/**
* Successful if the media was ejected.
*/
EJECT = 1024,
/**
* Successful if the media was loaded
*/
LOAD = 2048,
RELOAD = EJECT|LOAD,
/**
* Retrieves NG_DISKINFO, TOC, and CD-Text in case of an audio or mixed
* mode cd.
* The only difference to NG_DISKINFO|TOC|CD_TEXT is that no CD-Text is not
* considered an error.
*
* Always successful, even with an empty or no media at all!
*/
DISKINFO = 4096, // TODO: rename this in somthing like: DISKINFO_COMPLETE
/**
* Determine the device buffer state.
*/
BUFFER_CAPACITY = 8192
};
signals:
void finished( K3bDevice::DeviceHandler* );
public slots:
void setDevice( Device* );
void sendCommand( int command );
void getToc();
void getDiskInfo();
void getDiskSize();
void getRemainingSize();
void getTocType();
void getNumSessions();
void block( bool );
void eject();
protected:
/**
* reimplemented from K3bThreadJob for internal reasons
*/
virtual void customEvent( TQCustomEvent* );
private:
class DeviceHandlerThread;
DeviceHandlerThread* m_thread;
bool m_selfDelete;
};
/**
* Usage:
* \code
* connect( K3bDevice::sendCommand( K3bDevice::DeviceHandler::MOUNT, dev ),
* TQT_SIGNAL(finished(DeviceHandler*)),
* this, TQT_SLOT(someSlot(DeviceHandler*)) );
*
* void someSlot( DeviceHandler* dh ) {
* if( dh->success() ) {
* \endcode
*
* Be aware that the DeviceHandler will get destroyed once the signal has been
* emited.
*/
LIBK3B_EXPORT DeviceHandler* sendCommand( int command, Device* );
inline DeviceHandler* diskInfo(Device* dev) {
return sendCommand(DeviceHandler::DISKINFO,dev);
}
inline DeviceHandler* toc(Device* dev) {
return sendCommand(DeviceHandler::TOC,dev);
}
inline DeviceHandler* diskSize(Device* dev) {
return sendCommand(DeviceHandler::DISKSIZE,dev);
}
inline DeviceHandler* remainingSize(Device* dev) {
return sendCommand(DeviceHandler::REMAININGSIZE,dev);
}
inline DeviceHandler* tocType(Device* dev) {
return sendCommand(DeviceHandler::TOCTYPE,dev);
}
inline DeviceHandler* numSessions(Device* dev) {
return sendCommand(DeviceHandler::NUMSESSIONS,dev);
}
inline DeviceHandler* block(Device* dev) {
return sendCommand(DeviceHandler::BLOCK,dev);
}
inline DeviceHandler* unblock(Device* dev) {
return sendCommand(DeviceHandler::UNBLOCK,dev);
}
inline DeviceHandler* eject(Device* dev) {
return sendCommand(DeviceHandler::EJECT,dev);
}
inline DeviceHandler* reload(Device* dev) {
return sendCommand(DeviceHandler::RELOAD,dev);
}
inline DeviceHandler* load(Device* dev) {
return sendCommand(DeviceHandler::LOAD,dev);
}
}
#endif
|
