summaryrefslogtreecommitdiffstats
path: root/kmilo/kmilo_kvaio/kvaio.cpp
blob: e8011e7131dc6869c704bba3a8e9a4d9ecb8aad1 (plain)
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
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
/* -*- C++ -*-

   This file implements the KVaio class.

   $ Author: Mirko Boehm $
   $ Copyright: (C) 1996-2003, Mirko Boehm $
   $ Contact: mirko@kde.org
         http://www.kde.org
         http://www.hackerbuero.org $
   $ License: LGPL with the following explicit clarification:
         This code may be linked against any version of the TQt toolkit
         from Troll Tech, Norway. $

   $Id$

   * Portions of this code are
   * (C) 2001-2002 Stelian Pop <stelian@popies.net> and
   * (C) 2001-2002 Alcove <www.alcove.com>.
   * Thanks to Stelian for the implementation of the sonypi driver.
   
   * Modified by Toan Nguyen <nguyenthetoan@gmail.com> 
   * to include support for 
   *		Fn+F2,F3,F4 (Volume)
   * 		Fn+F5,F6 (Brightness)
   * 		Fn+F1 (blankscreen)
   * 		Fn+F12 (suspend to disk)
*/

#include <kconfig.h>

#include "kvaio.h"
#include "kmilointerface.h"

#include <tqlabel.h>
#include <tqcstring.h>
#include <tqevent.h>
#include <tqdatastream.h>
#include <kmainwindow.h>
#include <klocale.h>
#include <kdebug.h>
#include <kdialogbase.h>
#include <dcopclient.h>
#include <kapplication.h>

extern "C" {
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <getopt.h>
#include <errno.h>

#include "./sonypi.h"
}


KVaio::KVaio(KMiloKVaio *parent, const char* name)
    : TQObject(parent, name),
      mDisp(0),
      mTimer (new TQTimer (this) )
{
    myparent = parent;
    
    mDriver = new KVaioDriverInterface(this);

    if(!mDriver->connectToDriver())
    {
        delete mDriver; mDriver = 0L;
        kdDebug() << "KVaio: Cannot connect to driver." << endl;
    } else {
        kdDebug() << "KVaio: Connected to SonyPI driver." << endl;
        connect(mDriver, TQT_SIGNAL(vaioEvent(int)), TQT_SLOT(slotVaioEvent(int)));
	connect (mTimer, TQT_SIGNAL (timeout ()), TQT_SLOT (slotTimeout() ) );
	mTimer->start (10000, true);
    }

    mDisp = XOpenDisplay(NULL);
    if(!mDisp)
    {
        kdDebug() << "KVaio ctor: Failed to open display. Very strange."
		  << endl;
    }

    if(!mClient.attach())
    {
       kdDebug() << "KVaio ctor: cannot attach to DCOP server." << endl;
    }

    TDEConfig config("kmilodrc");

    loadConfiguration(&config);

    m_mute = false;
    m_progress = 0;
    m_minVolume = 0;
    m_maxVolume = 100;
    m_volume = 50;

    m_VolumeStep = 10;
    
    m_brightness = 128;
    m_minBright = 0;
    m_maxBright = 255;
    m_BrightnessStep = 16;    

    kmixClient = new DCOPRef("kmix", "Mixer0");
    kmixWindow = new DCOPRef("kmix", "kmix-mainwindow#1");
//    retrieveVolume();
//    retrieveMute();

}

KVaio::~KVaio()
{
    kdDebug() << "KVaio dtor: shutting down." << endl;
    if(mDriver!=0)
    {
        mDriver->disconnectFromDriver();
    }
    if(mClient.isAttached())
    {
        mClient.detach();
    }
}

void KVaio::slotVaioEvent(int event)
{
    TQString text;
    TQTextStream stream(text, IO_WriteOnly);

    switch(event)
    {
	case SONYPI_EVENT_FNKEY_RELEASED:
	    break;
	case SONYPI_EVENT_FNKEY_F1:
	    blankScreen();
	    break;
	case SONYPI_EVENT_FNKEY_F2:
	    mute();
    	    break;
        case SONYPI_EVENT_FNKEY_F3:
	    VolumeDown(m_VolumeStep); 
    	    break;
        case SONYPI_EVENT_FNKEY_F4:
	    VolumeUp(m_VolumeStep); 
    	    break;
        case SONYPI_EVENT_FNKEY_F5:
	    BrightnessDown(m_BrightnessStep);
    	    break;
        case SONYPI_EVENT_FNKEY_F6:
	    BrightnessUp(m_BrightnessStep);
	    break;
	case SONYPI_EVENT_FNKEY_F12:
	    suspendToDisk();
	    break;
	case SONYPI_EVENT_MEMORYSTICK_INSERT:
	    showTextMsg( i18n ("Memory Stick inserted") );
	    break;
	case SONYPI_EVENT_MEMORYSTICK_EJECT:
	    showTextMsg( i18n ("Memory Stick ejected") );
	    break;
	case SONYPI_EVENT_BACK_PRESSED:
	    if (mShowPowerStatusOnBackButton)
	    {
		showBatteryStatus (true);
	    }
	    break;
	default:
	    stream << i18n("Unhandled event: ") << event;
	    if(mReportUnknownEvents) showTextMsg(text);
	    kdDebug() << "KVaio::slotVaioEvent: event not handled."
		      << endl;
    }
}

bool KVaio::showTextMsg(const TQString& msg)
{
    return myparent->showTextMsg(msg);    
}



bool KVaio::showProgressMsg(const TQString& msg, int value)
{
    m_progress = value;
    return myparent->showProgressMsg(msg,value);
}

void KVaio::blankScreen()
{
    bool blankonly;
    
    if (isKScreensaverAvailable()) {
    
        TQByteArray data, replyData;
        TQDataStream arg(data, IO_WriteOnly);
        TQCString replyType;

	/* Set the screensave to BlankOnly mode */
	blankonly = true;
        arg << blankonly;
	mClient.call("kdesktop","KScreensaverIface","setBlankOnly(bool)",
			data, replyType, replyData) ;

	/* Save the screen */
	if ( !mClient.call("kdesktop", "KScreensaverIface", "save()",
			data, replyType, replyData) )
        {
            kdDebug() << "KVaio::blankScreen: there was some error "
                      << "using DCOP." << endl;
        }

	/* Set the screensave to its original mode */
	blankonly = false;
        arg << blankonly;
	mClient.call("kdesktop","KScreensaverIface","setBlankOnly(bool)",
			data, replyType, replyData) ;

    }
    
}

void KVaio::suspendToDisk()
{
        TQByteArray data, replyData;
        TQDataStream arg(data, IO_WriteOnly);
        TQCString replyType;

	mClient.call("kpowersave","KPowersaveIface","do_suspendToDisk()",
			data, replyType, replyData) ;
}


bool KVaio::isKScreensaverAvailable()
{
    if(mClient.isAttached())
        {
        // kdDebug() << "KVaio::showTextMsg: attached to DCOP server." << endl;
        if(mClient.isApplicationRegistered("kdesktop"))
        {
            QCStringList objects;

            // kdDebug() << "KVaio::showTextMsg: kded is registered at dcop server."
            //           << endl;
            objects = mClient.remoteObjects("kdesktop");
            if(objects.contains("KScreensaverIface"))
            {
                // kdDebug() << "KVaio::showTextMsg: kmilod is available at kded."
                //           << endl;
                return true;
            } else {
                kdDebug() << "KVaio::isKScreensaverAvailable: "
                          << "KScreensaverIface is NOT available at kdesktop." << endl;
            return false;
            }
        } else {
            kdDebug() << "KVaio::isKScreensaverAvailable: "
                      << "kdesktop is NOT registered at dcop server." << endl;
            return false;
        }
    } else {
        kdDebug() << "KVaio::isKScreensaverAvailable: "
                  << "kdesktop is NOT registered at dcop server." << endl;
        return false;
    }
}

bool KVaio::isKMiloDAvailable()
{
    if(mClient.isAttached())
    {
        // kdDebug() << "KVaio::showTextMsg: attached to DCOP server." << endl;
        if(mClient.isApplicationRegistered("kded"))
        {
            QCStringList objects;

            // kdDebug() << "KVaio::showTextMsg: kded is registered at dcop server."
            //           << endl;
            objects = mClient.remoteObjects("kded");
            if(objects.contains("kmilod"))
            {
                // kdDebug() << "KVaio::showTextMsg: kmilod is available at kded."
                //           << endl;
                return true;
            } else {
                kdDebug() << "KVaio::isKMiloDAvailable: "
                          << "kmilod is NOT available at kded." << endl;
                return false;
            }
        } else {
            kdDebug() << "KVaio::isKMiloDAvailable: "
                      << "kded is NOT registered at dcop server." << endl;
            return false;
        }
    } else {
        kdDebug() << "KVaio::isKMiloDAvailable: "
                  << "kded is NOT registered at dcop server." << endl;
        return false;
    }
}

void KVaio::loadConfiguration(TDEConfig *k)
{
    k->setGroup("KVaio");

    mReportUnknownEvents =
	k->readBoolEntry("Report_Unknown_Events", false);
    mReportPowerStatus =
	k->readBoolEntry("PeriodicallyReportPowerStatus", false);
    mShowPowerStatusOnBackButton =
	k->readBoolEntry("PowerStatusOnBackButton", true);

    kdDebug() << "KVaio::loadConfiguration: " << endl
              << "       mReportUnknownEvents:      "
	      << mReportUnknownEvents << endl
	      << "       mReportPowerStatus:        "
	      << mReportPowerStatus << endl
	      << "mShowPowerStatusOnBackButton:     "
	      << mShowPowerStatusOnBackButton << endl;
}

const KVaioDriverInterface* KVaio::driver()
{
    return mDriver;
}

void KVaio::slotTimeout ()
{
    showBatteryStatus ();
    mTimer->start (4000, true);
}

bool KVaio::showBatteryStatus ( bool force )
{
    static bool acConnectedCache  = false;
    static int previousChargeCache = -1;
    bool bat1Avail = false, bat2Avail = false, acConnected = false;
    int bat1Remaining = 0, bat1Max = 0, bat2Remaining = 0, bat2Max = 0;
    bool displayBatteryMsg = false;
    bool displayACStatus = false;

    TQString text, acMsg;
    TQTextStream stream(text, IO_WriteOnly);

    // -----
    // only display on startup if mReportPowerStatus is true:
    if (mReportPowerStatus==false || !force)
    {
        return true;
    }

    // query all necessary information:
    (void) mDriver->getBatteryStatus(bat1Avail, bat1Remaining, bat1Max,
                                 bat2Avail, bat2Remaining, bat2Max,
                                 acConnected);

    int remaining;
    if ( bat1Avail || bat2Avail )
        remaining = (int)(100.0*(bat1Remaining+bat2Remaining)
                               / (bat1Max+bat2Max));
    else
        remaining = -1; // no battery available

    if (acConnectedCache != acConnected || force)
    {
	displayACStatus = true;
	acConnectedCache = acConnected;
    }

    displayBatteryMsg = ( previousChargeCache * 100 / remaining > 1000 )
	|| ( previousChargeCache * 100 / remaining > 200 && remaining < 10 )
	|| force;


    if (displayBatteryMsg)
    {
	previousChargeCache = remaining;
    }

    // ----- prepare text messages
    if (displayACStatus || displayBatteryMsg)
    {

	if (displayACStatus)
	{
	    acMsg = acConnected ? i18n ("AC Connected") : i18n ("AC Disconnected");
	}

	switch (remaining)
	{
	    case 100:
		stream << i18n("Battery is Fully Charged. ");
		break;
	    case 5:
	    case 4:
	    case 3:
	    case 2:
	    case 1:
		stream << i18n("Caution: Battery is Almost Empty (%1% remaining).").arg(remaining);
		break;
	    case 0:
		stream << i18n("Alert: Battery is Empty!");
		break;
            case -1:
                stream << i18n("No Battery Inserted.");
                break;
	    default:
		stream << i18n("Remaining Battery Capacity: %1%").arg( remaining );
	};

	// show a message if the battery status changed by more then 10% or on startup
	if (displayACStatus)
	{
	    stream << endl << acMsg;
	}

	return showTextMsg (text);
    } else {
	return true;
    }
}

void KVaio::BrightnessUp(int step)
{
	m_brightness = mDriver->brightness();
	
	m_brightness += step;
	if(m_brightness > m_maxBright) {
		m_brightness = m_maxBright;
	}
	
	mDriver->setBrightness(m_brightness);
	showProgressMsg( i18n("Brightness"), m_brightness*100/255);
}

void KVaio::BrightnessDown(int step)
{
	m_brightness = mDriver->brightness();
	
	m_brightness -= step;
	if(m_brightness < m_minBright) {
		m_brightness = m_minBright;
	}
	
	mDriver->setBrightness(m_brightness);
	showProgressMsg( i18n("Brightness"), m_brightness*100/255);
}


void KVaio::displayVolume()
{
//        _interface->displayProgress(i18n("Volume"), m_volume);

	showProgressMsg(i18n("Volume"), m_volume);
        // If we got this far, the DCOP communication with kmix works,
	// so we don't have to test the result.
        kmixClient->send("setMasterVolume", m_volume);

        // if mute then unmute
        if (m_mute)
        {
                m_mute = false;
                kmixClient->send("setMasterMute",  m_mute);
        }
}


bool KVaio::retrieveVolume() {
       bool kmix_error = false;

        DCOPReply reply = kmixClient->call("masterVolume");
        if (reply.isValid())
                m_volume = reply;
        else
                kmix_error = true;

        if (kmix_error) // maybe the error occurred because kmix wasn't running
        {
//                _interface->displayText
		showTextMsg(i18n("Starting KMix..."));
                if (kapp->startServiceByDesktopName("kmix")==0) // trying to start kmix
                {
                        // trying again
                        reply = kmixClient->call("masterVolume");
                        if (reply.isValid())
                        {
                                m_volume = reply;
                                kmix_error = false;
                                kmixWindow->send("hide");
                        }
                }
        }

        if (kmix_error)
        {
                kdDebug() << "KMilo: GenericMonitor could not access kmix/Mixer0 via dcop"
                                                        << endl;
                //_interface->displayText
		showTextMsg(i18n("It seems that KMix is not running."));

                return false;
        } else {
                return true;
        }
}

void KVaio::VolumeUp(int step)
{
        if (!retrieveVolume())
                return;

        // FIXME if the mixer doesn't support steps of the specified size it
        // could get stuck at one position
        m_volume += step;
        if (m_volume > m_maxVolume)
                m_volume = m_maxVolume;

        displayVolume();
}

void KVaio::VolumeDown(int step)
{
        if (!retrieveVolume())
                return;

        m_volume -= step;
        if (m_volume < m_minVolume)
                m_volume = m_minVolume;

        displayVolume();
}

bool KVaio::retrieveMute() 
{
        bool kmix_error = false;

        DCOPReply reply = kmixClient->call("masterMute");
        if (reply.isValid())
                m_volume = reply;
        else
                kmix_error = true;

        if (kmix_error)
        {
                // maybe the error occurred because kmix wasn't running
                //_interface->displayText
		showTextMsg(i18n("Starting KMix..."));
                if (kapp->startServiceByDesktopName("kmix")==0) // trying to start kmix
                {
                        // trying again
                        reply = kmixClient->call("masterMute");
                        if (reply.isValid())
                        {
                                m_mute = reply;
                                kmix_error = false;
                                kmixWindow->send("hide");
                        }
                }       else
                {
                        kmixWindow->send("hide");
                        kmix_error = true;
                }
        }

        if (kmix_error)
        {
                kdDebug() << "KMilo: GenericMonitor could not access kmix/Mixer0 via dcop"
                                                        << endl;
                //_interface->displayText
		showTextMsg(i18n("It seems that KMix is not running."));

                return false;
        } else {
                return true;
        }
}

void KVaio::mute() 
{
    if (!retrieveMute())
	return;

    m_mute = !m_mute;

    int newVolume;
    TQString muteText;
    if (m_mute)
    {
            m_oldVolume = m_volume;
            newVolume = 0;
            muteText = i18n("Mute on");
    } else {
            newVolume = m_oldVolume;
            muteText = i18n("Mute off");
    }

    kmixClient->send("setMasterMute", m_mute);

    //_interface->displayText(muteText);
    showTextMsg(muteText);

}


#include "kvaio.moc"