keep the stream flowing

src/widgets.py

@@ -194,6 +194,8 @@ class Timeline(Gtk.Box):
         super().__init__(orientation='vertical')
 
         self.clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
+        self.max_id = 0
+        self.min_id = 0
 
         scroller = Gtk.ScrolledWindow(
             halign='fill',
@@ -209,6 +211,7 @@ class Timeline(Gtk.Box):
         self.load_timeline()
 
         self.view.connect('button-press-event', self.on_button_pressed)
+        scroller.connect('edge-reached', self.on_edge_reached)
 
         action_group = Gio.SimpleActionGroup()
 
@@ -241,15 +244,25 @@ class Timeline(Gtk.Box):
         builder = Gtk.Builder.new_from_resource("/dev/thrrgilag/squeak/menu.ui")
         self.menu = builder.get_object("post-menu")
 
-    def load_timeline(self):
+    def load_timeline(self, older=False):
+        params = {
+            'include_raw': 1
+        }
+
+        if older:
+            params['before_id'] = self.min_id
+
         if self.stream == 'unified':
-            posts, meta = pnutpy.api.users_post_streams_unified(include_raw=1)
+            posts, meta = pnutpy.api.users_post_streams_unified(**params)
         elif self.stream == 'mentions':
-            posts, meta = pnutpy.api.users_mentioned_posts('me', include_raw=1)
+            posts, meta = pnutpy.api.users_mentioned_posts('me', **params)
         elif self.stream == 'bookmarks':
-            posts, meta = pnutpy.api.users_bookmarked_posts('me', include_raw=1)
+            posts, meta = pnutpy.api.users_bookmarked_posts('me', **params)
         else:
-            posts, meta = pnutpy.api.posts_streams_global(include_raw=1)
+            posts, meta = pnutpy.api.posts_streams_global(**params)
+
+        self.max_id = meta.max_id
+        self.min_id = meta.min_id
 
         for item in posts:
             if 'is_deleted' in item:
@@ -258,6 +271,8 @@ class Timeline(Gtk.Box):
             postitem.connect('menu-pressed', self.show_menu)
             self.view.add(postitem)
 
+        self.show_all()
+
     def do_refresh(self):
         rows = self.view.get_children()
         for item in rows:
@@ -265,10 +280,13 @@ class Timeline(Gtk.Box):
         self.load_timeline()
         self.show_all()
 
+    def on_edge_reached(self, widget, pos):
+        if pos == Gtk.PositionType.BOTTOM:
+            self.load_timeline(True)
+
     def on_button_pressed(self, widget, event):
-        logging.debug("-blarp-")
         if event.type == Gdk.EventType.BUTTON_PRESS and event.button == 3:
-            logging.debug("-blarp- right button")
+            pass
 
     def show_menu(self, widget, index):
         self.post_index = index