Source Code for Module libavg.AVGApp'

 1  # libavg - Media Playback Engine. 
 2  # Copyright (C) 2003-2008 Ulrich von Zadow 
 3  # 
 4  # This library is free software; you can redistribute it and/or 
 5  # modify it under the terms of the GNU Lesser General Public 
 6  # License as published by the Free Software Foundation; either 
 7  # version 2 of the License, or (at your option) any later version. 
 8  # 
 9  # This library is distributed in the hope that it will be useful, 
10  # but WITHOUT ANY WARRANTY; without even the implied warranty of 
11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
12  # Lesser General Public License for more details. 
13  # 
14  # You should have received a copy of the GNU Lesser General Public 
15  # License along with this library; if not, write to the Free Software 
16  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
17  # 
18  # Current versions can be found at www.libavg.de 
19  # 
20  # Original author of this file is Martin Heistermann <mh at sponc dot de> 
21  # 
22   
23  import os 
24   
25 -class AVGApp(object): 
26      multitouch = False 
27 -    def __init__(self, parentNode): 
28          """initialization before Player.play() 
29          Use this only when needed, e.g. for 
30          Words.addFontDir(). Do not forget to call 
31          super(YourApp, self).__init__(parentNode)""" 
32          self.__isRunning = False 
33          self._parentNode = parentNode 
34          self._starter = None 
35   
36 -    def init(self): 
37          """main initialization 
38          build node hierarchy under self.__parentNode.""" 
39          pass 
40   
41 -    def _enter(self): 
42          """enter the application, internal interface. 
43          override this and start all animations, intervals 
44          etc. here""" 
45          pass 
46   
47 -    def _leave(self): 
48          """leave the application, internal interface. 
49          override this and stop all animations, intervals 
50          etc. Take care your application does not use any 
51          non-needed resources after this.""" 
52          pass 
53   
54 -    def enter(self, onLeave = lambda: None): 
55          """enter the application, external interface. 
56          Do not override this.""" 
57          self.__isRunning = True 
58          self._onLeave = onLeave 
59          self._enter() 
60   
61 -    def leave(self): 
62          """leave the application, external interface. 
63          Do not override this.""" 
64          self.__isRunning = False 
65          self._onLeave() 
66          self._leave() 
67   
68 -    def onKey(self, event): 
69          """returns bool indicating if the event was handled 
70          by the application """ 
71          return False 
72   
73 -    def isRunning(self): 
74          return self.__isRunning 
75   
76 -    def setStarter(self, starter): 
77          self._starter = starter 
78           
79      @classmethod 
80 -    def start(cls, *args, **kwargs): 
81          from AVGAppStarter import AVGAppStarter 
82          from AVGMTAppStarter import AVGMTAppStarter 
83          if cls.multitouch: 
84              starter = AVGMTAppStarter 
85          else: 
86              starter = AVGAppStarter 
87          return starter(appClass = cls, *args, **kwargs) 
88