Removed old, commented out, fso-based code
[gregoa/zavai.git] / src / app_power.vala
1 /*
2  * app_power - zavai power handling
3  *
4  * Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 using GLib;
22
23 namespace zavai {
24 namespace ui {
25 namespace power {
26
27 // Compute a-b in microseconds
28 static long timediff(Posix.timeval* a, Posix.timeval* b)
29 {
30         return (a->tv_sec - b->tv_sec) * 1000000 + (a->tv_usec - b->tv_usec);
31 }
32
33 public class Power : zavai.Resource, Object
34 {
35         public dynamic DBus.Object usage;
36         public bool screen_locked;
37         private int screen_lock_fd;
38         // Timestamp of the past power button pressed even (0 if the button has
39         // been released)
40         private Posix.timeval last_down;
41         private Posix.timeval last_short_press;
42
43         private bool hide_after_closing_power_menu;
44
45         public signal void screen_lock_changed(bool state);
46
47         public signal void power_short_press(Posix.timeval* t);
48         public signal void power_long_press();
49         private uint button_press_timeout;
50
51         public Power()
52         {
53                 screen_locked = false;
54                 screen_lock_fd = -1;
55                 hide_after_closing_power_menu = false;
56                 last_down.tv_sec = 0;
57                 last_down.tv_usec = 0;
58                 last_short_press.tv_sec = 0;
59                 last_short_press.tv_usec = 0;
60                 button_press_timeout = 0;
61
62                 usage = zavai.registry.sbus.get_object(
63                         "org.freesmartphone.ousaged",
64                         "/org/freesmartphone/Usage",
65                         "org.freesmartphone.Usage");
66
67                 zavai.input.power_button.power_button += on_power_button;
68                 zavai.input.power_button.request("zavai.ui.powerbutton.power");
69
70                 power_short_press += on_power_short_press;
71                 power_long_press += on_power_long_press;
72         }
73
74         public void shutdown()
75         {
76                 zavai.input.power_button.release("zavai.ui.powerbutton.power");
77         }
78
79         public void do_suspend()
80         {
81                 try {
82                         usage.Suspend();
83                 } catch (Error e) {
84                         zavai.log.error("Suspending phone: " + e.message);
85                 }
86         }
87         public void do_shutdown()
88         {
89                 try {
90                         //usage.Shutdown();
91                         zavai.app.run_script("shutdown -h now");
92                 } catch (Error e) {
93                         zavai.log.error("Shutting down phone: " + e.message);
94                 }
95         }
96         public void do_reboot()
97         {
98                 try {
99                         //usage.Reboot();
100                         zavai.app.run_script("shutdown -r now");
101                 } catch (Error e) {
102                         zavai.log.error("Rebooting phone: " + e.message);
103                 }
104         }
105
106         public void set_screen_lock(bool locked)
107         {
108                 if (locked && screen_locked)
109                         return;
110                 if (!locked && !screen_locked)
111                         return;
112
113                 if (locked)
114                 {
115                         screen_lock_fd = Posix.open("/dev/input/event1", Posix.O_RDWR | Posix.O_NONBLOCK);
116                         if (screen_lock_fd < 0)
117                         {
118                                 zavai.log.error("Cannot open /dev/input/event1");
119                                 return;
120                         }
121
122                         // FIXME: X won't see events, but it's still generating interrupts,
123                         // isn't it?
124                         int EVIOCGRAB = 0x40044590;
125                         if (Posix.ioctl(screen_lock_fd, EVIOCGRAB, locked ? 1 : 0) != 0)
126                         {
127                                 zavai.log.error("Cannot EVIOCGRAB /dev/input/event1");
128                                 Posix.close(screen_lock_fd);
129                                 return;
130                         }
131
132                         backlight.lock_screen();
133                 } else {
134                         Posix.close(screen_lock_fd);
135                         backlight.unlock_screen();
136                 }
137                 screen_locked = locked;
138                 if (!locked)
139                         backlight.wiggle();
140
141                 screen_lock_changed(locked);
142         }
143
144         private bool on_power_button_timeout()
145         {
146                 last_down.tv_sec = 0;
147                 last_down.tv_usec = 0;
148                 power_long_press();
149                 // Do not reschedule
150                 return false;
151         }
152
153         private void on_power_button(Posix.timeval* t, bool pressed)
154         {
155                 bool short_press = false;
156                 bool long_press = false;
157
158                 if (pressed)
159                 {
160                         if (last_down.tv_sec == 0)
161                         {
162                                 last_down = *t;
163                                 button_press_timeout = Timeout.add(1000, on_power_button_timeout);
164                         }
165                         else
166                         {
167                                 long diff = timediff(t, &last_down);
168                                 long_press = diff >= 1000000;
169                         }
170                 } else {
171                         if (last_down.tv_sec == 0)
172                         {
173                                 // Ignore: release has been simulated with the timeout
174                         } else {
175                                 if (button_press_timeout != 0)
176                                 {
177                                         // Cancel the timeout
178                                         Source.remove(button_press_timeout);
179                                         button_press_timeout = 0;
180                                 }
181                                 long diff = timediff(t, &last_down);
182                                 if (diff >= 1000000)
183                                         long_press = true;
184                                 else
185                                         short_press = true;
186
187                                 last_down.tv_sec = 0;
188                                 last_down.tv_usec = 0;
189                         }
190                 }
191
192                 if (long_press)
193                 {
194                         power_long_press();
195                         last_short_press.tv_sec = 0;
196                         last_short_press.tv_usec = 0;
197                 }
198                 if (short_press) power_short_press(t);
199         }
200
201         private void on_power_short_press(Posix.timeval* t)
202         {
203                 long diff = timediff(t, &last_short_press);
204                 bool combo = screen_locked && (diff <= 5000000);
205                 last_short_press = *t;
206
207                 if (screen_locked)
208                 {
209                         // Short press: turn on backlight for a bit
210                         backlight.wiggle();
211                         if (combo)
212                         {
213                                 app.back_to_main();
214                                 app.toggle_visibility();
215                         }
216                 }
217                 else
218                         // Short press: toggle power menu
219                         power_menu.toggle();
220         }
221
222         private void on_power_long_press()
223         {
224                 if (screen_locked)
225                         // Long press: unlock
226                         set_screen_lock(false);
227                 else
228                         // Long press: lock screen
229                         set_screen_lock(true);
230         }
231 }
232
233 public class BatteryIcon : Gtk.StatusIcon
234 {
235         public Dkp.Device battery;
236
237         public BatteryIcon(Dkp.Device dev)
238         {
239                 battery = dev;
240                 battery.changed += on_changed;
241
242                 stderr.printf("New battery icon for %s online %s perc %f isrec %s tte %lld ttf %lld\n", dev.native_path, dev.online ? "yes" : "no", dev.percentage, dev.is_rechargeable ? "yes" : "no", dev.time_to_empty, dev.time_to_full);
243
244                 update_icon();
245         }
246
247         private void on_changed(void* obj)
248         {
249                 update_icon();
250         }
251
252         protected void update_icon()
253         {
254                 string name = zavai.config.icondir + "/battery/";
255                 bool charging = false;
256                 Dkp.DeviceState state = (Dkp.DeviceState)battery.state;
257
258 stderr.printf("New battery status: %s\n", Dkp.Device.state_to_text(state));
259                 int capacity = (int)Math.round(battery.percentage/10);
260                 switch (state)
261                 {
262                         case Dkp.DeviceState.CHARGING:
263                                 name += "%02d0_charging_500.png".printf(capacity);
264                                 break;
265                         case Dkp.DeviceState.FULLY_CHARGED:
266                                 name += "100_charging_500.png";
267                                 break;
268                         case Dkp.DeviceState.UNKNOWN:
269                         case Dkp.DeviceState.DISCHARGING:
270                         case Dkp.DeviceState.EMPTY:
271                         case Dkp.DeviceState.PENDING_CHARGE:
272                         case Dkp.DeviceState.PENDING_DISCHARGE:
273                         case Dkp.DeviceState.LAST:
274                                 name += "%02d0.png".printf(capacity);
275                                 break;
276                 }
277
278 stderr.printf("Loading icon from %s\n", name);
279
280                 set_from_file(name);
281         }
282 }
283
284 public class ScreenLockButton : Gtk.Button
285 {
286         public ScreenLockButton()
287         {
288                 label = "Lock screen";
289                 clicked += on_clicked;
290                 set_size_request(0, zavai.config.min_button_height);
291         }
292
293         public void on_clicked()
294         {
295                 zavai.log.info("Locking screen");
296                 power.set_screen_lock(true);
297                 power_menu.hide_menu();
298         }
299 }
300
301 public class SuspendButton : Gtk.Button
302 {
303         public SuspendButton()
304         {
305                 label = "Suspend";
306                 clicked += on_clicked;
307                 set_size_request(0, zavai.config.min_button_height);
308         }
309
310         public void on_clicked()
311         {
312                 zavai.log.info("Suspending the phone via FSO");
313                 power.do_suspend();
314                 power_menu.hide_menu();
315         }
316 }
317
318 public class ShutdownButton : Gtk.Button
319 {
320         public ShutdownButton()
321         {
322                 label = "Shut down";
323                 clicked += on_clicked;
324                 set_size_request(0, zavai.config.min_button_height);
325         }
326
327         public void on_clicked()
328         {
329                 zavai.log.info("Shutting down the phone via FSO");
330                 power.do_shutdown();
331                 power_menu.hide_menu();
332         }
333 }
334
335 public class RebootButton : Gtk.Button
336 {
337         public RebootButton()
338         {
339                 label = "Reboot";
340                 clicked += on_clicked;
341                 set_size_request(0, zavai.config.min_button_height);
342         }
343
344         public void on_clicked()
345         {
346                 zavai.log.info("Rebooting the phone via FSO");
347                 power.do_reboot();
348                 power_menu.hide_menu();
349         }
350 }
351
352 // For a list of dbus services, look in /etc/dbus-1/system.d/
353 public class Backlight: zavai.Service
354 {
355         public Backlight()
356         {
357                 name = "backlight";
358         }
359
360         // Turn the backlight on and then let it fade off
361         public void wiggle()
362         {
363                 // There must be a better method
364                 try {
365                         zavai.app.run_script(zavai.config.homedir + "/display wiggle");
366                 } catch (Error e) {
367                         zavai.log.error("Requesting/releasing resource Display: " + e.message);
368                 }
369         }
370
371         public void lock_screen()
372         {
373                 if (!started)
374                 {
375                         try {
376                                 zavai.app.run_script(zavai.config.homedir + "/display lock_off");
377                         } catch (GLib.Error e) {
378                                 zavai.log.error(e.message);
379                         }
380                 }
381         }
382
383         public void unlock_screen()
384         {
385                 try {
386                         zavai.app.run_script(zavai.config.homedir + "/display defaults");
387                 } catch (GLib.Error e) {
388                         zavai.log.error(e.message);
389                 }
390         }
391
392         public override void start()
393         {
394                 if (started) return;
395                 try {
396                         zavai.app.run_script(zavai.config.homedir + "/display lock_on");
397                         zavai.log.info("Acquired display");
398                         base.start();
399                 } catch (GLib.Error e) {
400                         zavai.log.error(e.message);
401                 }
402                 base.start();
403         }
404
405         public override void stop()
406         {
407                 if (!started) return;
408                 try {
409                         zavai.app.run_script(zavai.config.homedir + "/display defaults");
410                         zavai.log.info("Released display");
411                         base.stop();
412                 } catch (GLib.Error e) {
413                         zavai.log.error(e.message);
414                 }
415                 base.stop();
416         }
417 }
418
419 public class PowerMenu : zavai.Resource, Gtk.Window
420 {
421         protected Gtk.VBox vbox;
422         protected ScreenLockButton act_screen_lock;
423         protected SuspendButton act_suspend;
424         protected ShutdownButton act_shutdown;
425         protected RebootButton act_reboot;
426         protected ServiceRequestLink act_backlight_on;
427         protected bool shown;
428
429         public PowerMenu()
430         {
431                 type = Gtk.WindowType.TOPLEVEL;
432                 title = "Power Menu";
433                 shown = false;
434                 destroy_with_parent = true;
435                 set_transient_for(zavai.app);
436                 set_modal(true);
437                 set_position(Gtk.WindowPosition.CENTER_ON_PARENT);
438                 set_size_request(300, 500);
439
440                 vbox = new Gtk.VBox(false, 0);
441                 add(vbox);
442
443                 //destroy += Gtk.main_quit;
444                 //set_events(get_events() | Gdk.EventMask.VISIBILITY_NOTIFY_MASK);
445                 //visibility_notify_event += on_visibility;
446                 set_skip_pager_hint(true);
447                 set_skip_taskbar_hint(true);
448                 set_type_hint(Gdk.WindowTypeHint.POPUP_MENU);
449
450                 act_screen_lock = new ScreenLockButton();
451                 vbox.pack_start(act_screen_lock, false, false, 0);
452
453                 act_suspend = new SuspendButton();
454                 vbox.pack_start(act_suspend, false, false, 0);
455
456                 act_shutdown = new ShutdownButton();
457                 vbox.pack_start(act_shutdown, false, false, 0);
458
459                 act_reboot = new RebootButton();
460                 vbox.pack_start(act_reboot, false, false, 0);
461
462                 act_backlight_on = new ServiceRequestLink("backlight", "Keep backlight on", "Let backlight fade");
463                 act_backlight_on.toggled += (src) => { this.hide_menu(); };
464                 vbox.pack_start(act_backlight_on, false, false, 0);
465
466                 //vbox.show_all();
467         }
468
469         public void toggle()
470         {
471                 if (!shown)
472                 {
473                         show_all();
474                         show();
475                         visible = true;
476                         present();
477                         shown = true;
478                 } else {
479                         // TODO: do more in case it is visible but has no visibility (is covered by others)
480                         visible = !visible;
481                         if (visible)
482                                 present();
483                 }                               
484         }
485
486         public void hide_menu()
487         {
488                 visible = false;
489         }
490
491         public void shutdown() {}
492 }
493
494 /*
495 public class TogglePowerMenu : Gtk.Button
496 {
497         public TogglePowerMenu()
498         {
499                 label = "Toggle power menu";
500                 clicked += on_clicked;
501                 set_size_request(0, zavai.config.min_button_height);
502         }
503
504         public void on_clicked()
505         {
506                 zavai.log.info("Toggling power menu");
507                 power_menu.toggle();
508         }
509 }
510 */
511
512 Power power;
513 PowerMenu power_menu;
514 Gee.ArrayList<BatteryIcon> battery_icons;
515 Backlight backlight;
516 //TogglePowerMenu tpm;
517
518 public void init()
519 {
520         power = new Power();
521         backlight = new Backlight();
522         zavai.registry.register_service(backlight);
523         
524         battery_icons = new Gee.ArrayList<BatteryIcon>();
525         // Enumerate batteries
526         var c = new Dkp.Client();
527         unowned GLib.PtrArray devs = c.enumerate_devices();
528         for (int i = 0; i < devs.len; ++i)
529         {
530                 Dkp.Device dev = (Dkp.Device)devs.pdata[i];
531                 stderr.printf("Found new device %s\n", dev.native_path);
532                 dev.print();
533                 stderr.printf("Rechargeable: %s\n", dev.is_rechargeable ? "yes" : "no");
534                 if (!dev.is_rechargeable) continue;
535                 var bi = new BatteryIcon(dev);
536                 bi.set_visible(true);
537                 battery_icons.add(bi);
538         }
539
540         power_menu = new PowerMenu();
541         zavai.registry.register_resource("powermenu", power_menu);
542         
543     //zavai.registry.getmenu("menu.main").add_applet("menu.power");
544         //tpm = new TogglePowerMenu();
545     //zavai.registry.getmenu("menu.main").add_widget(tpm);
546
547     /*
548         raise_icon = new RaiseIcon();
549         raise_icon.set_visible(true);
550
551         close_or_back = new CloseOrBack();
552         close_or_back.set_visible(true);
553
554         window_list = new WindowList("Current apps");
555         zavai.registry.register_applet("wm.list", window_list);
556         zavai.registry.getmenu("menu.main").add_applet("wm.list");
557
558         try {
559                 launcher = new Launcher("Run program");
560         } catch (Error e) {
561                 zavai.log.error("Not running launcher: " + e.message);
562                 launcher = null;
563         }
564
565         if (launcher != null)
566         {
567                 zavai.registry.register_applet("wm.launcher", launcher);
568                 zavai.registry.getmenu("menu.main").add_applet("wm.launcher");
569         }
570     */
571 }
572
573 }
574 }
575 }