[gnome-music] UI: add initial state

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit d8cab8b42fdf09a03d9579772e5d873ce46687f8
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Fri Jan 23 14:31:38 2015 +0100

    UI: add initial state
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743362

 data/NoMusic.ui                  |    6 +++---
 data/gnome-music.gresource.xml   |    1 +
 data/initial-state.png           |  Bin 0 -> 41719 bytes
 data/org.gnome.Music.gschema.xml |    5 +++++
 gnomemusic/view.py               |   33 +++++++++++++++++++++++++++------
 gnomemusic/window.py             |   10 +++++++++-
 6 files changed, 45 insertions(+), 10 deletions(-)
---
diff --git a/data/NoMusic.ui b/data/NoMusic.ui
index d89d91d..26a1487 100644
--- a/data/NoMusic.ui
+++ b/data/NoMusic.ui
@@ -8,7 +8,7 @@
     <property name="halign">center</property>
     <property name="valign">center</property>
     <child>
-      <object class="GtkImage" id="image1">
+      <object class="GtkImage" id="icon">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="valign">center</property>
@@ -25,10 +25,10 @@
       </packing>
     </child>
     <child>
-      <object class="GtkBox" id="label">
+      <object class="GtkBox" id="box">
         <property name="orientation">vertical</property>
         <child>
-          <object class="GtkLabel" id="label1">
+          <object class="GtkLabel" id="label">
             <property name="visible">True</property>
             <property name="opacity">0.5</property>
             <property name="can_focus">False</property>
diff --git a/data/gnome-music.gresource.xml b/data/gnome-music.gresource.xml
index b33c23d..a0db704 100644
--- a/data/gnome-music.gresource.xml
+++ b/data/gnome-music.gresource.xml
@@ -4,6 +4,7 @@
     <file preprocess="xml-stripblanks">AboutDialog.ui</file>
     <file preprocess="xml-stripblanks">app-menu.ui</file>
     <file>application.css</file>
+    <file>initial-state.png</file>
     <file preprocess="xml-stripblanks">AlbumWidget.ui</file>
     <file preprocess="xml-stripblanks">ArtistAlbumWidget.ui</file>
     <file preprocess="xml-stripblanks">ArtistAlbumsWidget.ui</file>
diff --git a/data/initial-state.png b/data/initial-state.png
new file mode 100644
index 0000000..0089aff
Binary files /dev/null and b/data/initial-state.png differ
diff --git a/data/org.gnome.Music.gschema.xml b/data/org.gnome.Music.gschema.xml
index 0bc8b29..246aa75 100644
--- a/data/org.gnome.Music.gschema.xml
+++ b/data/org.gnome.Music.gschema.xml
@@ -48,5 +48,10 @@
             <summary>Enable ReplayGain</summary>
             <description>Enables or disables ReplayGain for albums</description>
         </key>
+        <key type="b" name="did-initial-state">
+            <default>false</default>
+            <summary>Inital state has been displayed</summary>
+            <description>Set to true when initial state has been displayed</description>
+        </key>
     </schema>
 </schemalist>
diff --git a/gnomemusic/view.py b/gnomemusic/view.py
index b19f5d7..04725f3 100644
--- a/gnomemusic/view.py
+++ b/gnomemusic/view.py
@@ -34,6 +34,7 @@
 from gi.repository import Gtk
 from gi.repository import GObject
 from gi.repository import Gd
+from gi.repository import Gio
 from gi.repository import Grl
 from gi.repository import Gio
 from gi.repository import Pango
@@ -266,19 +267,39 @@ class Empty(Gtk.Stack):
     def __init__(self, window, player):
         Gtk.Stack.__init__(self,
                            transition_type=Gtk.StackTransitionType.CROSSFADE)
-        builder = Gtk.Builder()
-        builder.add_from_resource('/org/gnome/Music/NoMusic.ui')
-        widget = builder.get_object('container')
-        self.update_empty_state_link(builder)
+        self.builder = Gtk.Builder()
+        self.builder.add_from_resource('/org/gnome/Music/NoMusic.ui')
+        widget = self.builder.get_object('container')
+        self.update_empty_state_link()
         self.add(widget)
         self.show_all()
 
-    def update_empty_state_link(self, builder):
-        label = builder.get_object('empty-state-label')
+    def update_empty_state_link(self):
+        label = self.builder.get_object('empty-state-label')
         href_text = '<a href="%s">%s</a>' % (Query.MUSIC_URI, _("Music folder"))
         label.set_label(label.get_label() % href_text)
 
 
+# Class for the Initial State
+class InitialState(Empty):
+    @log
+    def __init__(self, window, player):
+        Empty.__init__(self, window, player)
+
+        # Update image
+        icon = self.builder.get_object('icon')
+        icon.set_margin_bottom(32)
+        icon.set_opacity(1)
+        icon.set_from_resource('/org/gnome/Music/initial-state.png')
+        icon.set_size_request(256, 256)
+
+        # Update label
+        label = self.builder.get_object('label')
+        label.set_label(_("Hey DJ"))
+        label.set_opacity(1)
+        label.set_margin_bottom(18)
+
+
 class Albums(ViewContainer):
     @log
     def __init__(self, window, player):
diff --git a/gnomemusic/window.py b/gnomemusic/window.py
index bfab1a6..0b40a96 100644
--- a/gnomemusic/window.py
+++ b/gnomemusic/window.py
@@ -237,13 +237,21 @@ class Window(Gtk.ApplicationWindow):
 
     @log
     def _switch_to_empty_view(self):
-        self.views.append(Views.Empty(self, self.player))
+        did_initial_state = self.settings.get_boolean('did-initial-state')
+        view_class = None
+        if did_initial_state:
+            view_class = Views.Empty
+        else:
+            view_class = Views.InitialState
+        self.views.append(view_class(self, self.player))
+
         self._stack.add_titled(self.views[0], _("Empty"), _("Empty"))
         self.toolbar._search_button.set_sensitive(False)
         self.toolbar._select_button.set_sensitive(False)
 
     @log
     def _switch_to_player_view(self):
+        self.settings.set_boolean('did-initial-state', True)
         self._on_notify_model_id = self._stack.connect('notify::visible-child', self._on_notify_mode)
         self.connect('destroy', self._notify_mode_disconnect)
         self._key_press_event_id = self.connect('key_press_event', self._on_key_press)