[gnome-news/wip/gbsneto/improvements: 3/7] views: show read items less proeminent than unread ones

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b7c5d9ab5c5ea0b8eb6c9e2eb52cd104a378a90d
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Mar 5 19:22:43 2016 -0300

    views: show read items less proeminent than unread ones

 gnomenews/post.py   |    1 +
 gnomenews/view.py   |   19 +++++++++----------
 gnomenews/window.py |    5 +++--
 3 files changed, 13 insertions(+), 12 deletions(-)
---
diff --git a/gnomenews/post.py b/gnomenews/post.py
index 820403a..88b95bf 100644
--- a/gnomenews/post.py
+++ b/gnomenews/post.py
@@ -46,6 +46,7 @@ class Post(GObject.GObject):
         self.title = cursor['title']
         self.content = cursor['content']
         self.url = cursor['url']
+        self.is_read = cursor['is_read']
 
         self.author = self.sanitize_author(cursor['fullname'])
         self.author_email = cursor['author_email']
diff --git a/gnomenews/view.py b/gnomenews/view.py
index cfface6..56de740 100644
--- a/gnomenews/view.py
+++ b/gnomenews/view.py
@@ -79,7 +79,11 @@ class GenericFeedsView(Gtk.Stack):
     def _insert_post(self, source, post):
         image = Gtk.Image.new_from_file(post.thumbnail)
         image.get_style_context().add_class('feed-box')
-        image.show_all()
+        image.show()
+
+        if post.is_read:
+            image.set_opacity(0.5)
+            image.set_tooltip_text(_('This article was already read'))
 
         # Store the post object to refer to it later on
         image.post = post.cursor
@@ -90,6 +94,10 @@ class GenericFeedsView(Gtk.Stack):
     def _post_activated(self, box, child, user_data=None):
         cursor = child.get_children()[0].post
         post = Post(cursor)
+
+        child.set_opacity(0.5)
+        child.set_tooltip_text(_('This article was already read'))
+
         self.emit('open-article', post)
 
     @log
@@ -108,11 +116,6 @@ class GenericFeedsView(Gtk.Stack):
 
 
 class FeedView(Gtk.Stack):
-
-    __gsignals__ = {
-        'post-read': (GObject.SignalFlags.RUN_LAST, None, (str,)),
-    }
-
     def __init__(self, tracker, post):
         Gtk.Stack.__init__(self,
                            transition_type=Gtk.StackTransitionType.CROSSFADE)
@@ -164,10 +167,6 @@ class FeedView(Gtk.Stack):
                 return True
         return False
 
-    def mark_post_as_read(self):
-        self.emit('post-read', self.url)
-        return False
-
 
 class NewView(GenericFeedsView):
     def __init__(self, tracker):
diff --git a/gnomenews/window.py b/gnomenews/window.py
index bd7cf05..306ff4d 100644
--- a/gnomenews/window.py
+++ b/gnomenews/window.py
@@ -152,7 +152,9 @@ class Window(Gtk.ApplicationWindow):
         self._stack.previous_view = self._stack.get_visible_child()
         self._stack.add_named(self.feed_view, 'feedview')
         self._stack.set_visible_child(self.feed_view)
-        self.tracker.post_read_signal = self.feed_view.connect('post-read', self.tracker.mark_post_as_read)
+
+        # Mark the post as read
+        self.tracker.mark_post_as_read(post.url)
 
     @log
     def on_back_button_clicked(self, widget):
@@ -160,7 +162,6 @@ class Window(Gtk.ApplicationWindow):
         self._stack.previous_view = None
         self._stack.remove(self.feed_view)
         self.toolbar.set_state(ToolbarState.MAIN)
-        self.feed_view.disconnect(self.tracker.post_read_signal)
         self.feed_view = None
 
     @log