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 public class Power : zavai.Resource, Object
  28 {
  29         public dynamic DBus.Object usage;
  30         public bool screen_locked;
  31         private int screen_lock_fd;
  32         // Timestamp of the past power button pressed even (0 if the button has
  33         // been released)
  34         private time_t last_down;
  35
  36         private bool hide_after_closing_power_menu;
  37
  38         public signal void screen_lock_changed(bool state);
  39
  40         public Power()
  41         {
  42                 screen_locked = false;
  43                 screen_lock_fd = -1;
  44                 hide_after_closing_power_menu = false;
  45                 last_down = 0;
  46
  47                 usage = zavai.registry.sbus.get_object(
  48                         "org.freesmartphone.ousaged",
  49                         "/org/freesmartphone/Usage",
  50                         "org.freesmartphone.Usage");
  51
  52                 zavai.input.power_button.power_button += on_power_button;
  53                 zavai.input.power_button.request("zavai.ui.powerbutton.power");
  54         }
  55
  56         public void shutdown()
  57         {
  58                 zavai.input.power_button.release("zavai.ui.powerbutton.power");
  59         }
  60
  61         public void do_suspend() { usage.Suspend(); }
  62         public void do_shutdown() { usage.Shutdown(); }
  63         public void do_reboot() { usage.Reboot(); }
  64
  65         public void set_screen_lock(bool locked)
  66         {
  67                 if (locked && screen_locked)
  68                         return;
  69                 if (!locked && !screen_locked)
  70                         return;
  71
  72                 if (locked)
  73                 {
  74                         screen_lock_fd = Posix.open("/dev/input/event1", Posix.O_RDWR | Posix.O_NONBLOCK);
  75                         if (screen_lock_fd < 0)
  76                         {
  77                                 zavai.log.error("Cannot open /dev/input/event1");
  78                                 return;
  79                         }
  80
  81                         int EVIOCGRAB = 0x40044590;
  82                         if (Posix.ioctl(screen_lock_fd, EVIOCGRAB, locked ? 1 : 0) != 0)
  83                         {
  84                                 zavai.log.error("Cannot EVIOCGRAB /dev/input/event1");
  85                                 Posix.close(screen_lock_fd);
  86                                 return;
  87                         }
  88                 } else {
  89                         Posix.close(screen_lock_fd);
  90                 }
  91                 screen_locked = locked;
  92                 if (!locked)
  93                         backlight.wiggle();
  94
  95                 screen_lock_changed(locked);
  96         }
  97
  98         private void on_power_button(Posix.timeval* t, bool pressed)
  99         {
 100                 if (pressed)
 101                 {
 102                         last_down = t->tv_sec;
 103                 } else {
 104                         if (screen_locked)
 105                         {
 106                                 time_t now = new time_t();
 107                                 if (now < last_down + 2)
 108                                 {
 109                                         // Short press: turn on backlight for a bit
 110                                         backlight.wiggle();
 111                                 } else {
 112                                         // Long press: unlock
 113                                         set_screen_lock(false);
 114                                 }
 115                         }
 116                         else
 117                         {
 118                                 power_menu.toggle();
 119                         }
 120                         last_down = 0;
 121                 }
 122         }
 123 }
 124
 125 public class BatteryIcon : Gtk.StatusIcon
 126 {
 127         public dynamic DBus.Object battery;
 128         protected string last_status;
 129         protected int last_capacity;
 130
 131         public BatteryIcon()
 132         {
 133                 battery = zavai.registry.sbus.get_object(
 134                         "org.freesmartphone.odeviced",
 135                         "/org/freesmartphone/Device/PowerSupply/battery",
 136                         "org.freesmartphone.Device.PowerSupply");
 137
 138                 // activate += on_activate;
 139
 140                 battery.PowerStatus += on_power_status;
 141                 battery.Capacity += on_capacity;
 142
 143                 last_status = battery.GetPowerStatus();
 144                 last_capacity = battery.GetCapacity();
 145
 146                 update_icon();
 147         }
 148
 149         private void on_power_status(dynamic DBus.Object bat, string status)
 150         {
 151                 zavai.log.info("New battery status: " + status);
 152                 last_status = status;
 153                 update_icon();
 154         }
 155
 156         private void on_capacity(dynamic DBus.Object bat, int val)
 157         {
 158 stderr.printf("NEW CAPACITY: %d\n", val);
 159                 last_capacity = val;
 160                 update_icon();
 161         }
 162
 163         /*
 164         private void on_activate()
 165         {
 166         }
 167         */
 168
 169         protected void update_icon()
 170         {
 171                 string name = zavai.config.icondir + "/battery/";
 172
 173                 if (last_status == "charging")
 174                         name += "%02d0_charging_500.png".printf(last_capacity/10);
 175                 else
 176                         name += "%02d0.png".printf(last_capacity/10);
 177
 178 stderr.printf("Loading icon from %s\n", name);
 179
 180                 set_from_file(name);
 181         }
 182 }
 183
 184 public class ScreenLockButton : Gtk.Button
 185 {
 186         public ScreenLockButton()
 187         {
 188                 label = "Lock screen";
 189                 clicked += on_clicked;
 190                 set_size_request(0, zavai.config.min_button_height);
 191         }
 192
 193         public void on_clicked()
 194         {
 195                 zavai.log.info("Locking screen");
 196                 power.set_screen_lock(true);
 197                 power_menu.hide();
 198         }
 199 }
 200
 201 public class SuspendButton : Gtk.Button
 202 {
 203         public SuspendButton()
 204         {
 205                 label = "Suspend";
 206                 clicked += on_clicked;
 207                 set_size_request(0, zavai.config.min_button_height);
 208         }
 209
 210         public void on_clicked()
 211         {
 212                 zavai.log.info("Suspending the phone via FSO");
 213                 power.do_suspend();
 214                 power_menu.hide();
 215         }
 216 }
 217
 218 public class ShutdownButton : Gtk.Button
 219 {
 220         public ShutdownButton()
 221         {
 222                 label = "Shut down";
 223                 clicked += on_clicked;
 224                 set_size_request(0, zavai.config.min_button_height);
 225         }
 226
 227         public void on_clicked()
 228         {
 229                 zavai.log.info("Shutting down the phone via FSO");
 230                 power.do_shutdown();
 231                 power_menu.hide();
 232         }
 233 }
 234
 235 public class RebootButton : Gtk.Button
 236 {
 237         public RebootButton()
 238         {
 239                 label = "Reboot";
 240                 clicked += on_clicked;
 241                 set_size_request(0, zavai.config.min_button_height);
 242         }
 243
 244         public void on_clicked()
 245         {
 246                 zavai.log.info("Rebooting the phone via FSO");
 247                 power.do_reboot();
 248                 power_menu.hide();
 249         }
 250 }
 251
 252 // For a list of dbus services, look in /etc/dbus-1/system.d/
 253 public class Backlight: zavai.Service
 254 {
 255         public dynamic DBus.Object usage;
 256
 257         public Backlight()
 258         {
 259                 name = "backlight";
 260
 261                 usage = zavai.registry.sbus.get_object(
 262                         "org.freesmartphone.ousaged",
 263                         "/org/freesmartphone/Usage",
 264                         "org.freesmartphone.Usage");
 265         }
 266
 267         // Turn the backlight and then let it fade off
 268         public void wiggle()
 269         {
 270                 // There must be a better method
 271                 usage.RequestResource("Display");
 272                 usage.ReleaseResource("Display");
 273         }
 274
 275         /// Request GPS resource
 276         public override void start()
 277         {
 278                 if (started) return;
 279                 try {
 280                         usage.RequestResource("Display");
 281                         zavai.log.info("Acquired display");
 282                         base.start();
 283                 } catch (GLib.Error e) {
 284                         zavai.log.error(e.message);
 285                 }
 286                 base.start();
 287         }
 288
 289         // Release usage of GPS
 290         public override void stop()
 291         {
 292                 if (!started) return;
 293                 try {
 294                         usage.ReleaseResource("Display");
 295                         zavai.log.info("Released display");
 296                         base.stop();
 297                 } catch (GLib.Error e) {
 298                         zavai.log.error(e.message);
 299                 }
 300                 base.stop();
 301         }
 302 }
 303
 304 public class PowerMenu : zavai.Resource, Gtk.Window
 305 {
 306         protected Gtk.VBox vbox;
 307         protected ScreenLockButton act_screen_lock;
 308         protected SuspendButton act_suspend;
 309         protected ShutdownButton act_shutdown;
 310         protected RebootButton act_reboot;
 311         protected ServiceRequestLink act_backlight_on;
 312         protected bool shown;
 313
 314         public PowerMenu()
 315         {
 316                 type = Gtk.WindowType.TOPLEVEL;
 317                 title = "Power Menu";
 318                 shown = false;
 319                 destroy_with_parent = true;
 320                 set_transient_for(zavai.app);
 321                 set_modal(true);
 322                 set_position(Gtk.WindowPosition.CENTER_ON_PARENT);
 323                 set_size_request(300, 500);
 324
 325                 vbox = new Gtk.VBox(false, 0);
 326                 add(vbox);
 327
 328                 //destroy += Gtk.main_quit;
 329                 //set_events(get_events() | Gdk.EventMask.VISIBILITY_NOTIFY_MASK);
 330                 //visibility_notify_event += on_visibility;
 331                 set_skip_pager_hint(true);
 332                 set_skip_taskbar_hint(true);
 333                 set_type_hint(Gdk.WindowTypeHint.POPUP_MENU);
 334
 335                 act_screen_lock = new ScreenLockButton();
 336                 vbox.pack_start(act_screen_lock, false, false, 0);
 337
 338                 act_suspend = new SuspendButton();
 339                 vbox.pack_start(act_suspend, false, false, 0);
 340
 341                 act_shutdown = new ShutdownButton();
 342                 vbox.pack_start(act_shutdown, false, false, 0);
 343
 344                 act_reboot = new RebootButton();
 345                 vbox.pack_start(act_reboot, false, false, 0);
 346
 347                 act_backlight_on = new ServiceRequestLink("backlight", "Keep backlight on", "Let backlight fade");
 348                 vbox.pack_start(act_backlight_on, false, false, 0);
 349
 350                 //vbox.show_all();
 351         }
 352
 353         public void toggle()
 354         {
 355                 if (!shown)
 356                 {
 357                         show_all();
 358                         show();
 359                         visible = true;
 360                         present();
 361                         shown = true;
 362                 } else {
 363                         // TODO: do more in case it is visible but has no visibility (is covered by others)
 364                         visible = !visible;
 365                         if (visible)
 366                                 present();
 367                 }
 368         }
 369
 370         public void hide()
 371         {
 372                 visible = false;
 373         }
 374
 375         public void shutdown() {}
 376 }
 377
 378 /*
 379 public class TogglePowerMenu : Gtk.Button
 380 {
 381         public TogglePowerMenu()
 382         {
 383                 label = "Toggle power menu";
 384                 clicked += on_clicked;
 385                 set_size_request(0, zavai.config.min_button_height);
 386         }
 387
 388         public void on_clicked()
 389         {
 390                 zavai.log.info("Toggling power menu");
 391                 power_menu.toggle();
 392         }
 393 }
 394 */
 395
 396 Power power;
 397 PowerMenu power_menu;
 398 BatteryIcon battery_icon;
 399 Backlight backlight;
 400 //TogglePowerMenu tpm;
 401
 402 public void init()
 403 {
 404         power = new Power();
 405         backlight = new Backlight();
 406         zavai.registry.register_service(backlight);
 407
 408         battery_icon = new BatteryIcon();
 409         battery_icon.set_visible(true);
 410
 411         power_menu = new PowerMenu();
 412         zavai.registry.register_resource("powermenu", power_menu);
 413
 414     //zavai.registry.getmenu("menu.main").add_applet("menu.power");
 415         //tpm = new TogglePowerMenu();
 416     //zavai.registry.getmenu("menu.main").add_widget(tpm);
 417
 418     /*
 419         raise_icon = new RaiseIcon();
 420         raise_icon.set_visible(true);
 421
 422         close_or_back = new CloseOrBack();
 423         close_or_back.set_visible(true);
 424
 425         window_list = new WindowList("Current apps");
 426         zavai.registry.register_applet("wm.list", window_list);
 427         zavai.registry.getmenu("menu.main").add_applet("wm.list");
 428
 429         try {
 430                 launcher = new Launcher("Run program");
 431         } catch (Error e) {
 432                 zavai.log.error("Not running launcher: " + e.message);
 433                 launcher = null;
 434         }
 435
 436         if (launcher != null)
 437         {
 438                 zavai.registry.register_applet("wm.launcher", launcher);
 439                 zavai.registry.getmenu("menu.main").add_applet("wm.launcher");
 440         }
 441     */
 442 }
 443
 444 }
 445 }
 446 }