From 122c2d0a1293688c63cba02155f1ce103519cf45 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Sat, 19 Feb 2011 16:20:42 +0000
Subject: added quit, goto_background, return_to_foreground methods to all plugins

---
diff --git a/plugins/camera_plugin.py b/plugins/camera_plugin.py
index 9b68da0..e443933 100644
--- a/plugins/camera_plugin.py
+++ b/plugins/camera_plugin.py
@@ -61,7 +61,7 @@ class Camera_plugin(Plugin):
 
     def setup(self):
         # set up camera-specific blocks
-        if self._self_test():
+        if self._status:
             PALETTES[PALETTE_NAMES.index('sensor')].append('luminance')
             BOX_STYLE.append('luminance')
             BLOCK_NAMES['luminance'] = [_('brightness')]
@@ -81,19 +81,35 @@ class Camera_plugin(Plugin):
             HELP_STRINGS['camera'] = _('camera output')
             MEDIA_BLOCKS_DICTIONARY['camera'] = self.prim_take_picture
 
+    def start(self):
+        # This gets called by the start button
+        pass
+
     def stop(self):
-        # Ths gets called by the stop button
-        if self._self_test():
+        # This gets called by the stop button
+        if self._status:
             self._camera.stop_camera_input()
 
-    def _self_test(self):
-        print 'reporting Camera status %s' % (str(self._status))
+    def goto_background(self):
+        # This gets called when your process is sent to the background
+        pass
+
+    def return_to_foreground(self):
+        # This gets called when your process returns from the background
+        pass
+
+    def quit(self):
+        # This gets called by the quit button
+        pass
+
+    def _status_report(self):
+        print 'Reporting camera status: %s' % (str(self._status))
         return self._status
 
     # Block primitives used in talogo
 
     def prim_take_picture(self):
-        if self._self_test():
+        if self._status:
             ''' method called by media block '''
             self._camera.save_camera_input_to_file()
             self._camera.stop_camera_input()
@@ -104,7 +120,7 @@ class Camera_plugin(Plugin):
         pixbuf = None
         array = None
         w, h = self._parent.lc._w(), self._parent.lc._h()
-        if w > 0 and h > 0 and self._self_test():
+        if w > 0 and h > 0 and self._status:
             try:
                 self._video_capture_device = open('/dev/video0', 'rw')
             except:
diff --git a/plugins/plugin.py b/plugins/plugin.py
index 366c1bc..0fe836b 100644
--- a/plugins/plugin.py
+++ b/plugins/plugin.py
@@ -28,7 +28,29 @@ class Plugin(gobject.GObject):
         gobject.GObject.__init__(self)
 
     def setup(self):
+        """ Setup is called once, when the Turtle Window is created. """
         raise RuntimeError("You need to define setup for your plugin.")
 
+    def start(self):
+        """ start is called when run button is pressed. """
+        raise RuntimeError("You need to define start for your plugin.")
+
     def stop(self):
+        """ stop is called when stop button is pressed. """
         raise RuntimeError("You need to define stop for your plugin.")
+
+    def goto_background(self):
+        """ goto_background is called when the activity is sent to the
+        background. """
+        raise RuntimeError(
+            "You need to define goto_background for your plugin.")
+
+    def return_to_foreground(self):
+        """ return_to_foreground is called when the activity returns to
+        the foreground. """
+        raise RuntimeError(
+            "You need to define return_to_foreground for your plugin.")
+
+    def quit(self):
+        """ cleanup is called when the activity is exiting. """
+        raise RuntimeError("You need to define quit for your plugin.")
diff --git a/plugins/rfid_plugin.py b/plugins/rfid_plugin.py
index 30d9aa2..e0cfafc 100644
--- a/plugins/rfid_plugin.py
+++ b/plugins/rfid_plugin.py
@@ -84,7 +84,7 @@ class Rfid_plugin(Plugin):
 
     def setup(self):
         # set up camera-specific blocks
-        if self._self_test():
+        if self._status:
             PALETTES[PALETTE_NAMES.index('sensor')].append('rfid')
             BOX_STYLE.append('rfid')
             BLOCK_NAMES['rfid'] = [_('RFID')]
@@ -93,14 +93,33 @@ class Rfid_plugin(Plugin):
             VALUE_BLOCKS.append('rfid')
             PLUGIN_DICTIONARY['rfid'] = self.prim_read_rfid
             self._parent.lc._def_prim('rfid', 0,
-                lambda self: PLUGIN_DICTIONARY['rfid'](True))
+                lambda self: PLUGIN_DICTIONARY['rfid']())
+
+
+    def start(self):
+        # This gets called by the start button
+        if self._status:
+            pass
 
     def stop(self):
-        # Ths gets called by the stop button
+        # This gets called by the stop button
+        if self._status:
+            pass
+
+    def goto_background(self):
+        # This gets called when your process is sent to the background
+        pass
+
+    def return_to_foreground(self):
+        # This gets called when your process returns from the background
+        pass
+
+    def quit(self):
+        # This gets called by the quit button
         pass
 
-    def _self_test(self):
-        print 'reporting RFID status %s' % (str(self._status))
+    def _status_report(self):
+        print 'Reporting RFID status: %s' % (str(self._status))
         return self._status
 
     def _device_added_cb(self, path):
@@ -138,5 +157,5 @@ class Rfid_plugin(Plugin):
     # Block primitives used in talogo
 
     def prim_read_rfid(self):
-        if self._self_test():
+        if self._status:
             return self.rfid_idn
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