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