1 files changed, 175 insertions, 0 deletions
diff --git a/timer-applet/src/timerapplet/core/Timer.py b/timer-applet/src/timerapplet/core/Timer.py
new file mode 100644
index 00000000..f4ba57a2
--- /dev/null
+++ b/timer-applet/src/timerapplet/core/Timer.py
@@ -0,0 +1,175 @@
+# Copyright (C) 2008 Jimmy Do <[email protected]>
+# Copyright (C) 2010 Kenny Meyer <[email protected]>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+import datetime
+import time
+import gobject
+
+class Timer(gobject.GObject):
+ (STATE_IDLE, STATE_RUNNING, STATE_PAUSED, STATE_FINISHED) = xrange(4)
+ 
+ __gsignals__ = {'time-changed':
+ (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
+ 'state-changed':
+ (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ())}
+ 
+ def __init__(self):
+ gobject.GObject.__init__(self)
+ self._state = Timer.STATE_IDLE
+ self._duration_seconds = 0
+ self._remaining_seconds = 0
+ self._end_time = 0
+ self._name = ''
+ self._command = ''
+ self._next_timer = ''
+ self._auto_start = False
+ 
+ def set_duration(self, seconds):
+ """Set the duration of the timer in seconds."""
+ assert self._state == Timer.STATE_IDLE
+ self._duration_seconds = seconds
+ 
+ def get_duration(self):
+ """Return the duration of the timer in seconds."""
+ return self._duration_seconds
+ 
+ def set_name(self, name):
+ """Set the name of the timer."""
+ assert self._state == Timer.STATE_IDLE
+ self._name = name
+ 
+ def get_name(self):
+ """Return the name of the timer."""
+ return self._name
+
+ def set_command(self, command):
+ """Set the command to run of the timer."""
+ assert self._state == Timer.STATE_IDLE
+ self._command = command
+ 
+ def get_command(self):
+ """Return the name of the command of the timer."""
+ return self._command
+ 
+ def set_next_timer(self, timer):
+ """Set the next timeer of the timer."""
+ assert self._state == Timer.STATE_IDLE
+ self._next_timer = timer
+
+ def get_next_timer(self):
+ """Get the next timer of the timer."""
+ return self._next_timer
+ 
+ def set_auto_start(self, auto_start):
+ """Set the auto-start value of the timer."""
+ assert self._state == Timer.STATE_IDLE
+ self._auto_start = auto_start
+
+ def get_auto_start(self):
+ """Get the auto-start value."""
+ return self._auto_start
+
+ def start(self):
+ """Start or resume the timer.
+ 
+ This method should only be called when the timer is IDLE or PAUSED.
+ 
+ """
+ assert self._state == Timer.STATE_IDLE or self._state == Timer.STATE_PAUSED
+ self._timer_transition_to_state(Timer.STATE_RUNNING)
+
+ def stop(self):
+ """Pause the timer.
+ 
+ This method should only be called when the timer is RUNNING.
+ 
+ """
+ assert self._state == Timer.STATE_RUNNING
+ self._timer_transition_to_state(Timer.STATE_PAUSED)
+
+ def reset(self):
+ """Reset the timer.
+ 
+ This method should only be called when the timer is not IDLE.
+ 
+ """
+ assert self._state != Timer.STATE_IDLE
+ self._timer_transition_to_state(Timer.STATE_IDLE)
+ 
+ def get_state(self):
+ """Return the current state."""
+ return self._state
+ 
+ def get_remaining_time(self):
+ """Return the remaining time in seconds."""
+ return min(self._duration_seconds, max(0, self._remaining_seconds))
+ 
+ def get_end_time(self):
+ """Return a datetime object representing the end time.
+ 
+ This method should only be called when the timer is RUNNING or FINISHED.
+ 
+ """
+ assert self._state == Timer.STATE_RUNNING or self._state == Timer.STATE_FINISHED
+ return datetime.datetime.fromtimestamp(self._end_time)
+ 
+ def _timer_set_state(self, state):
+ self._state = state
+ self.emit('state-changed')
+ 
+ def _timer_transition_to_state(self, dest_state):
+ cur_time = int(time.time())
+ 
+ if dest_state == Timer.STATE_IDLE:
+ self._end_time = 0
+ self._set_remaining_time(self._duration_seconds)
+ elif dest_state == Timer.STATE_RUNNING:
+ assert self._duration_seconds >= 0
+ 
+ if self._state == Timer.STATE_IDLE:
+ self._end_time = cur_time + self._duration_seconds
+ self._set_remaining_time(self._duration_seconds)
+ elif self._state == Timer.STATE_PAUSED:
+ self._end_time = cur_time + self._remaining_seconds
+ 
+ gobject.timeout_add(500, self._on_timeout)
+ elif dest_state == Timer.STATE_PAUSED:
+ self._set_remaining_time(self._end_time - cur_time)
+ self._end_time = 0
+ elif dest_state == Timer.STATE_FINISHED:
+ pass
+ else:
+ assert False
+ 
+ self._timer_set_state(dest_state)
+
+ def _on_timeout(self):
+ if self._state != Timer.STATE_RUNNING:
+ return False # remove timeout source
+ 
+ new_remaining = self._end_time - int(time.time())
+ if self._remaining_seconds != new_remaining:
+ self._set_remaining_time(new_remaining)
+ 
+ if self._remaining_seconds < 0:
+ self._timer_transition_to_state(Timer.STATE_FINISHED)
+ return False # remove timeout source
+ return True # keep timeout source
+ 
+ def _set_remaining_time(self, new_remaining):
+ self._remaining_seconds = new_remaining
+ self.emit('time-changed')