libervia-desktop-kivy: src/cagou/core/cagou

core: use memory map on a file to indicate pause/resume status, so backend can now it

comparison

equal deleted inserted replaced

-:1a324c682d8a
+:674b1fa3c945
 # FIXME: move to separate android module
 kivy.support.install_android()
 # sys.platform is "linux" on android by default
 # so we change it to allow backend to detect android
 sys.platform = "android"
+import mmap
 class NotifsIcon(IconButton):
 notifs = properties.ListProperty()
 @param *args: additional arguments used in format
 @param **kwargs: additional keyword arguments used in format
 """
 return os.path.expanduser(path).format(*args, media=self.host.media_dir, **kwargs)
+def on_start(self):
+# XXX: we use memory map instead of bridge because if we try to call a bridge method
+#      in on_pause method, the call data  is not written before the actual pause
+# we create a memory map on .cagou_status file with a 1 byte status
+# status is:
+# R => running
+# P => paused
+# S => stopped
+self._first_pause = True
+self.cagou_status_fd = open('.cagou_status', 'wb+')
+self.cagou_status_fd.write('R')
+self.cagou_status_fd.flush()
+self.cagou_status = mmap.mmap(self.cagou_status_fd.fileno(), 1, prot=mmap.PROT_WRITE)
 def on_pause(self):
+self.cagou_status[0] = 'P'
 return True
 def on_resume(self):
-pass
+self.cagou_status[0] = 'R'
+def on_stop(self):
+self.cagou_status[0] = 'S'
+self.cagou_status.flush()
+self.cagou_status_fd.close()
 class Cagou(QuickApp):
 MB_HANDLE = False

Mercurial > libervia-desktop-kivy