summaryrefslogtreecommitdiffstats
path: root/src/hardware.h
blob: d6120b6265012c8f6ccffb28104d58051cef4d23 (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
 /**************************************************************************
 *   Copyright (C) 2006-2007 by Danny Kukawka                              *
 *                              <dkukawka@suse.de>, <danny.kukawka@web.de> *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of version 2 of the GNU General Public License     *
 *   as published by the Free Software Foundation.                         *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
 ***************************************************************************/

/*!
*  \file 	hardware.h
*  \brief 	Headerfile for hardwareinfo.cpp. This file collect/hold all
*		Hardware information as e.g. battery and ac state.
*/

/*!
*  \class 	HardwareInfo
*  \brief 	class for hardware information related funtionality
*  \author 	Danny Kukawka, <dkukawka@suse.de>, <danny.kukawka@web.de>
*  \date    	2006-2007
*/

#ifndef _HARDWARE_H_
#define _HARDWARE_H_

// Global Header
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

// QT - Header
#include <tqstring.h>
#include <tqobject.h>
#include <tqvaluelist.h>
#include <tqptrlist.h>
#include <tqdict.h>

// TDE hardware library
#include <tdehardwaredevices.h>

#include "dbusInterface.h"
#include "hardware_battery.h"
#include "hardware_batteryCollection.h"

enum suspend_type {
	SUSPEND2DISK,
	SUSPEND2RAM,
	FREEZE,
	STANDBY,
	SUSPEND_HYBRID,
};

enum cpufreq_type {
	UNKNOWN_CPUFREQ = -1,
	PERFORMANCE,
	DYNAMIC,
	POWERSAVE
};

enum device_type {
	BATTERY,
	AC_ADAPTER,
	BUTTON_SLEEP,
	BUTTON_POWER,
	LID,
	LAPTOP_PANEL,
	UNKNOWN_DEVICE
};

//! hold information if suspend/standby/pm actions are supported and allowed
/*!
* This dictionary contains information about the available pm capabilities and
* the related interfaces in TDE hardware library.
*/
typedef struct SuspendStates {
	//! true if the machine support suspend2ram and the interface is available
	bool suspend2ram;
	//! true if the machine support suspend2ram, but no interface available
	bool suspend2ram_can;
	//! true if the machine support suspend2ram and PolicyKit allow to call the interface
	int suspend2ram_allowed;
	//! true if the machine support suspend2disk and the interface is available
	bool suspend2disk;
	//! true if the machine support suspend2disk, but no interface available
	bool suspend2disk_can;
	//! true if the machine support suspend2disk and PolicyKit allow to call the interface
	int suspend2disk_allowed;
	//! true if the machine support freeze and the interface is available
	bool freeze;
	//! true if the machine support freeze, but no interface available
	bool freeze_can;
	//! true if the machine support freeze and PolicyKit allow to call the interface
	int freeze_allowed;
	//! true if the machine support standby and the interface is available
	bool standby;
	//! true if the machine support standby, but no interface available
	bool standby_can;
	//! true if the machine support standby and PolicyKit allow to call the interface
	int standby_allowed;
	//! true if the machine support hybrid suspend and the interface is available
	bool suspend_hybrid;
	//! true if the machine support hybrid suspend, but no interface available
	bool suspend_hybrid_can;
	//! true if the machine support hybrid suspend and PolicyKit allow to call the interface
	int suspend_hybrid_allowed;

	SuspendStates () {
		suspend2ram = false;
		suspend2ram_can = false;
		suspend2ram_allowed = -1;
		suspend2disk = false;
		suspend2disk_can = false;
		suspend2disk_allowed = -1;
		freeze = false;
		freeze_can = false;
		freeze_allowed = -1;
		standby = false;
		standby_can = false;
		standby_allowed = -1;
		suspend_hybrid = false;
		suspend_hybrid_can = false;
		suspend_hybrid_allowed = -1;
	}
} SuspendStates;

class HardwareInfo : public TQObject{

	Q_OBJECT


private:
	TDEHardwareDevices *m_hwdevices;

	//! pointer to the dbusInterface connection class
	dbusInterface *dbus_iface;

	//! hold udis of special hardware execpt batteries represented by a TQString pairs (name,udi)
	/*!
	* This directory handle udis for known fixed devices as e.g ac adapter. This devices are
	* currently available:
	* \li acadapter
	* \li lidclose
	* \li laptop_panel
	*/
	TQDict<TQString> udis;

	//! hold the UDIs of all hardware we handle atm
	/*!
	 * This TQStringList contains the list of UDIs we handle at the moment in this
         * class. This should be used to handle device events from TDE hardware library
         * for devices we want to monitor
	 */
	TQStringList allUDIs;

	//! hold information if suspend/standby/pm actions are supported and allowed
	/*!
	* This dictionary contains information about the available pm capabilities and
	* the related interfaces in TDE hardware library.
	*/
	SuspendStates suspend_states;

	TQTime calledSuspend;

	//! hold the list of pointers to all relevant batteries
	TQPtrList<Battery> BatteryList;
	//! hold the information about all primary batteries
	BatteryCollection *primaryBatteries;

	//! hold the name of the CPU Freq governor from the last check
	TQString cpuFreqGovernor;

	//! hold the ConsoleKit name/path of the actual session
	TQString consoleKitSession;

	//! enum with the currently active CPU Freq policy
	/*! This enum contains the enum with the currently set CPU Freq Policy. */
	cpufreq_type currentCPUFreqPolicy;

	//! the state of the ac adapter
	/*!
	* This boolean represent information about the AC adapter state.
	* \li true: 	if AC adapter is present
	* \li false: 	it AC adapter is not present
	*/
	bool acadapter;
	//! the state of the lidclose button
	/*!
	* This boolean represent information about the Lid button state.
	* \li true: 	if lid is closed
	* \li false: 	else
	*/
	bool lidclose;
	//! if the machine support APM
	/*!
	* This boolean represent information if the machine support APM or not.
	* \li true: 	if APM supported
	* \li false: 	else
	*/
	bool has_APM;
	//! if the machine support ACPI
	/*!
	* This boolean represent information if the machine support ACPI or not.
	* \li true: 	if ACPI supported
	* \li false: 	else
	*/
	bool has_ACPI;
	//! if the machine support PMU (ppc power management)
	/*!
	* This boolean represent information if the machine support PMU or not.
	* \li true: 	if PMU supported
	* \li false: 	else
	*/
	bool has_PMU;
	//! if the machine support change CPU Freq via TDE hardware library
	/*!
	* This boolean represent information if the machine support change the
	* CPU freqency via TDE hardware library.
	* \li true: 	if supported
	* \li false: 	else
	*/
	bool cpuFreq;
	//! if the machine support change brightness
	/*!
	* This boolean represent information if the machine support brightness changes.
	* \li true: 	if supported
	* \li false: 	else
	*/
	bool brightness;
	//! if brightness get controled via keyevents in hardware
	/*!
	* This boolean represent information if the machine handle brightness button
	* and keyevents in hardware. If so TDEPowersave should ignore key events.
	* \li true: 	if handled in hardware
	* \li false: 	else
	*/
	bool brightness_in_hardware;
	//! if the machine is a laptop
	/*!
	* This boolean represent information if the machine is a laptop.
	* \li true: 	if the machine is a laptop
	* \li false: 	else
	*/
	bool laptop;

	//! if the current desktop session is active
	/*!
	* This boolean represent information if the current desktop session in
        * Which TDEPowersave runs is marked in ConsoleKit as active or not.
	* \li true: 	if active
	* \li false: 	else
	*/
	bool sessionIsActive;

	//! if the current user can use the CPU Freq interface
	/*!
	* This integer tell if the current user is allowed to change the
	* CPU Frequency policy via the TDE hardware library
	* \li 1:	if allowed
	* \li 0:	if not allowed
	* \li -1:	if unknown (e.g. there is no policy/PolicyKit)
	*/
	int cpuFreqAllowed;
	//! if the current user can use the brightness interface
	/*!
	* This integer tell if the current user is allowed to change the
	* brightness via the TDE hardware library
	* \li 1:	if allowed
	* \li 0:	if not allowed
	* \li -1:	if unknown (e.g. there is no policy/PolicyKit)
	*/
	int brightnessAllowed;


	//! Integer with the number of current brightness
	/*! This contains the current brighness level. */
	int currentBrightnessLevel;
	//! Integer with the number of availabl brightness level
	/*! This contains the number of available brightness levels for internal usage. */
	int availableBrightnessLevels;

	//! interger with the current warning level
	int primaryBatteriesWarnLevel;
	//! interger with the current low level
	int primaryBatteriesLowLevel;
	//! interger with the current critical level
	int primaryBatteriesCriticalLevel;

	// --> functions
	//! check if the machine support ACPI/APM/PMU or not
	void checkPowermanagement();
	//! check the possible suspend/standby states
	void checkSuspend();
	//! check if the machine support change CPU Freq via TDE hardware library
	void checkCPUFreq();
	//! check the current brightness level
	void checkCurrentBrightness();
	//! check if the machine is a laptop
	void checkIsLaptop();

	//! initalise all hardware information
	bool intialiseHWInfo();
	//! reinit all hardware information
	bool reinitHardwareInfos();
	//! to check if we should handle a device
	bool checkIfHandleDevice ( TQString _udi, int *type );
	//! to set the CPUFreq governor
	bool setCPUFreqGovernor( const char *governor );

	//! find and update a battery information
	void updateBatteryValues (TDEGenericDevice* device);

private slots:

	//! handle changes of the session state
	void handleSessionState (bool state);
	//! to fetch events from the TDE hardware library and handle them
	void processHardwareChangedEvent (TDEGenericDevice*);
	//! to fetch keypresses from the TDE hardware library and handle them
	void processKeyPressEvent (unsigned int, TDEEventDevice*);
	//! to update \ref primaryBatteries
	void updatePrimaryBatteries ();
	//! to set \ref update_info_primBattery_changed
	void setPrimaryBatteriesChanges ();
	//! check the state of the lidclose button
	void checkLidcloseState();
	//! check the state of the AC adapter
	void checkACAdapterState();
	//! check if brightness change is possible
	void checkBrightness();

	//! TQT_SLOT to forward signal about changed battery warning state
	void emitBatteryWARNState (int type, int state);

	//! TQT_SLOT to handle resume and forward a signal for resume
	void handleResumeSignal (int result);

	//! to emit signal for power button
	void emitPowerButtonPressed();
	//! to emit signal for sleep button
	void emitSleepButtonPressed();
	//! to emit signal for s2disk button
	void emitS2diskButtonPressed();
	//! to emit signal for session state
	void emitSessionActiveState();

	//! to handle signal for brightness Up buttons/keys
	void brightnessUpPressed();
	//! to handle signal for brightness Down buttons/keys
	void brightnessDownPressed();

signals:
	//! signal for larger data changes
	void generalDataChanged();
	//! emited if the CPU Freq Policy changed
	void currentCPUFreqPolicyChanged();

	//! signal the AC adapter
	void ACStatus( bool );
	//! signal for the lidclose button
	void lidclosetStatus ( bool );
	//! signal for pressed the power button
	void powerButtonPressed ();
	//! signal for pressed sleep (suspend2ram) button
	void sleepButtonPressed ();
	//! signal for pressed the suspend2disk (hibernate) button
	void s2diskButtonPressed ();

	//  battery related signals
	//! signal if the primary battery collection changed
	void primaryBatteryChanged();
	//! signal to inform about reaching a warning state
	void batteryWARNState(int type, int state);

	// Error signals

	//! signal if the IsActive state of
	void desktopSessionIsActive (bool);

	//! signal if we are back from resume
	void resumed ( int success );

public:

	// update related info --> need to be reset if the data was read
	//! tells if the  CPUFreq Policy changed
	/*!
	* This boolean represent information about CPUFreq Policy changes.
	* \li true: if something changed
	* \li false: if nothing changed (or this is reset to false if the message was consumed)
	*/
	bool update_info_cpufreq_policy_changed;
	//! tells if the AC status changed
	/*!
	* This boolean represent information about AC status changes.
	* \li true: if something changed
	* \li false: if nothing changed (or this is reset to false if the message was consumed)
	*/
	bool update_info_ac_changed;
	//! tells if the primary battery collection changed some values
	/*!
	* This boolean represent information about primary battery changes.
	* \li true: if something changed
	* \li false: if nothing changed (or this is reset to false if the message was consumed)
	*/
	bool update_info_primBattery_changed;

	// --> functions
	//! default constructor
	HardwareInfo();
	//! default destructor
	~HardwareInfo();

	// to get private members
	//! get info about support of suspend/standby
	SuspendStates getSuspendSupport() const;
	//! get a pointer to the primary batteries
	BatteryCollection* getPrimaryBatteries() const;
	//! get all batteries
	TQPtrList<Battery> getAllBatteries() const;

	//! check the currently set CPU Frequency Policy
	cpufreq_type checkCurrentCPUFreqPolicy();

	//! get max brightness level
	int getMaxBrightnessLevel() const;
	//! get current brightness level
	int getCurrentBrightnessLevel() const;
	//! get currently CPU Frequency Policy
	int getCurrentCPUFreqPolicy() const;
	//! if the user is allowed to change CPU Freq PolicyKit
	int isCpuFreqAllowed ();

	//! get state of the AC adapter
	bool getAcAdapter() const;
	//! get the state of the lid button
	bool getLidclose() const;
	//! check if the machine is a latop
	bool isLaptop() const;
	//! check if there is a connection to TDE hardware library
	bool isOnline() const;
	//! check if the machine support ACPI
	bool hasACPI() const;
	//! check if the machine support APM
	bool hasAPM() const;
	//! check if the machine support PMU
	bool hasPMU() const;
	//! check if the machine support change the CPU frequency
	bool supportCPUFreq() const;
	//! check if the machine support brightness changes
	bool supportBrightness() const;
	//! check if the current session is active
	bool currentSessionIsActive() const;

	// --> functions to call a TDE hardware library and trigger an action
	//! execute/trigger a suspend via the TDE hardware library
	bool suspend ( suspend_type suspend );
	//! set the brightness via TDE hardware library
	bool setBrightness ( int level, int percent = -1);
	//! to set the brightness down
	bool setBrightnessDown(int percentageStep = -1);
	//! to set the brightness up
	bool setBrightnessUp(int percentageStep = -1);
	//! set the CPU frequency policy/speed
	bool setCPUFreq ( cpufreq_type cpufreq, int limit = 51 );

	//! function to set warning states for the primary battery collection
	void setPrimaryBatteriesWarningLevel (int _warn = -1, int _low = -1, int _crit = -1 );
};

#endif