94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
# Copyright (c) 2012, Matthias Schiffer <mschiffer@universe-factory.net>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from gi.repository import Gtk, GLib
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import Idle
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class Locker(object):
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def __init__(self, lockTimeout, doLock, doUnlock, logoutTimeout = None, doLogout = None, updateLogoutTimeout = None):
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self.locked = False
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self.lockTimeout = lockTimeout
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self.logoutTimeout = logoutTimeout
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self.doLock = doLock
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self.doUnlock = doUnlock
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self.doLogout = doLogout
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self.updateLogoutTimeout = updateLogoutTimeout
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if self.lockTimeout > 0:
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GLib.timeout_add_seconds(1, self._checkLock)
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else:
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GLib.idle_add(self.lock)
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def _checkLock(self):
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if self.locked:
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return False
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idle = Idle.getIdleSec()
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if (idle >= self.lockTimeout):
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GLib.idle_add(self.lock)
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return False
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else:
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return True
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def _checkLogout(self):
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if not self.locked:
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return False
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self.currentLogoutTimeout = self.currentLogoutTimeout - 1
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if self.updateLogoutTimeout is not None:
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self.updateLogoutTimeout(self.currentLogoutTimeout)
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return self.currentLogoutTimeout > 0
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def lock(self):
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if not self.locked:
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self.locked = True
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if not self.doLock(self.logoutTimeout):
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self.locked = False
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GLib.timeout_add_seconds(1, self._checkLock)
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return False
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if self.doLogout is not None:
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self.currentLogoutTimeout = self.logoutTimeout
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if self.currentLogoutTimeout > 0:
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GLib.timeout_add_seconds(1, self._checkLogout)
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return True
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def unlock(self):
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if self.locked:
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self.doUnlock()
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self.locked = False
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GLib.timeout_add_seconds(1, self._checkLock)
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def _canLogout(self):
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return (self.locked and self.doLogout is not None and self.currentLogoutTimeout <= 0)
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def logout(self):
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if self._canLogout():
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self.doLogout()
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