[gnome-music/wip/mschraal/searchview-rework: 3/15] searchview: Limit shown results for artist & album

[Marinus Schraal <mschraal src gnome org>]

commit 2717deedd36f306e88465ad7156d0a7ddad916e3
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed Jul 31 11:22:24 2019 +0200

    searchview: Limit shown results for artist & album

 gnomemusic/coremodel.py        | 18 ++++++++++++++++++
 gnomemusic/views/searchview.py | 24 ++++++++++++++++++++----
 2 files changed, 38 insertions(+), 4 deletions(-)
---
diff --git a/gnomemusic/coremodel.py b/gnomemusic/coremodel.py
index d71092d2..ff8f5a38 100644
--- a/gnomemusic/coremodel.py
+++ b/gnomemusic/coremodel.py
@@ -107,10 +107,16 @@ class CoreModel(GObject.GObject):
             self._album_model)
         self._album_search_model.set_filter_func(lambda a: False)
 
+        self._album_search_filter = Gfm.FilterListModel.new(
+            self._album_search_model)
+
         self._artist_search_model = Dazzle.ListModelFilter.new(
             self._artist_model)
         self._artist_search_model.set_filter_func(lambda a: False)
 
+        self._artist_search_filter = Gfm.FilterListModel.new(
+            self._artist_search_model)
+
         self._playlists_model = Gio.ListStore.new(Playlist)
         self._playlists_model_filter = Dazzle.ListModelFilter.new(
             self._playlists_model)
@@ -432,12 +438,24 @@ class CoreModel(GObject.GObject):
     def albums_search(self):
         return self._album_search_model
 
+    @GObject.Property(
+        type=Gfm.FilterListModel, default=None,
+        flags=GObject.ParamFlags.READABLE)
+    def albums_search_filter(self):
+        return self._album_search_filter
+
     @GObject.Property(
         type=Dazzle.ListModelFilter, default=None,
         flags=GObject.ParamFlags.READABLE)
     def artists_search(self):
         return self._artist_search_model
 
+    @GObject.Property(
+        type=Gfm.FilterListModel, default=None,
+        flags=GObject.ParamFlags.READABLE)
+    def artists_search_filter(self):
+        return self._artist_search_filter
+
     @GObject.Property(
         type=Gtk.ListStore, default=None, flags=GObject.ParamFlags.READABLE)
     def songs_gtkliststore(self):
diff --git a/gnomemusic/views/searchview.py b/gnomemusic/views/searchview.py
index 9d3e72fe..02886205 100644
--- a/gnomemusic/views/searchview.py
+++ b/gnomemusic/views/searchview.py
@@ -22,8 +22,6 @@
 # code, but you are not obligated to do so.  If you do not wish to do so,
 # delete this exception statement from your version.
 
-from gi.repository import Gdk, GObject, Gtk
-
 from gnomemusic import log
 from gnomemusic.player import PlayerPlaylist
 from gnomemusic.utils import View
@@ -70,18 +68,26 @@ class SearchView(Gtk.Stack):
         self._coremodel = application.props.coremodel
         self._model = self._coremodel.props.songs_search
         self._album_model = self._coremodel.props.albums_search
+        self._album_filter = self._coremodel.props.albums_search_filter
+        self._album_filter.set_filter_func(
+            self._core_filter, self._album_model, 12)
+
         self._artist_model = self._coremodel.props.artists_search
+        self._artist_filter = self._coremodel.props.artists_search_filter
+        self._artist_filter.set_filter_func(
+            self._core_filter, self._artist_model, 6)
+
         self._player = self._application.props.player
 
         self._songs_listbox.bind_model(self._model, self._create_song_widget)
 
         self._album_flowbox.bind_model(
-            self._album_model, self._create_album_widget)
+            self._album_filter, self._create_album_widget)
         self._album_flowbox.connect(
             "child-activated", self._on_album_activated)
 
         self._artist_listbox.bind_model(
-            self._artist_model, self._create_artist_widget)
+            self._artist_filter, self._create_artist_widget)
 
         self.show_all()
 
@@ -109,6 +115,16 @@ class SearchView(Gtk.Stack):
 
         # self.connect("notify::search-state", self._on_search_state_changed)
 
+    def _core_filter(self, coreitem, coremodel, nr_items):
+        if coremodel.get_n_items() <= 5:
+            return True
+
+        for i in range(nr_items):
+            if coremodel.get_item(i) == coreitem:
+                return True
+
+        return False
+
     def _create_song_widget(self, coresong):
         song_widget = SongWidget(coresong)