[gnome-music] Reduce size of album icons

[Seif Lotfy <seiflotfy src gnome org>]

commit e2963dde305a1cea90167642cb1626a84699720b
Author: Guillaume Quintard <guillaume quintard gmail com>
Date:   Wed May 8 15:02:36 2013 +0200

    Reduce size of album icons
    
    fixes bug 699769
    
    Signed-off-by: Seif Lotfy <seif lotfy com>

 src/view.js |   38 ++++++++++++++++++++++++++++++++------
 1 files changed, 32 insertions(+), 6 deletions(-)
---
diff --git a/src/view.js b/src/view.js
index 1312735..2287aff 100644
--- a/src/view.js
+++ b/src/view.js
@@ -40,6 +40,7 @@ const tracker = Tracker.SparqlConnection.get (null);
 const AlbumArtCache = imports.albumArtCache;
 const Grilo = imports.grilo;
 const albumArtCache = AlbumArtCache.AlbumArtCache.getDefault();
+const symbolicMusicPath = "/usr/share/icons/gnome/scalable/places/folder-music-symbolic.svg";
 
 function extractFileName(uri) {
     var exp = /^.*[\\\/]|[.][^.]*$/g;
@@ -146,8 +147,7 @@ const ViewContainer = new Lang.Class({
         this._items = [];
         this._loadMore.widget.hide();
         this._connectView();
-        let path = "/usr/share/icons/gnome/scalable/places/folder-music-symbolic.svg";
-        this._symbolicIcon = GdkPixbuf.Pixbuf.new_from_file_at_scale(path, this._iconHeight, 
this._iconWidth, true)
+        this._symbolicIcon = this._createSymblolicIcon(symbolicMusicPath, this._iconHeight, this._iconWidth);
         grilo.connect('ready', Lang.bind(this, this.populate));
         this.header_bar.connect('state-changed', Lang.bind(this, this._onStateChanged))
     },
@@ -213,11 +213,12 @@ const ViewContainer = new Lang.Class({
             if ((item.get_title() == null) && (item.get_url() != null)) {
                 item.set_title (extractFileName(item.get_url()));
             }
-            var icon = albumArtCache.makeIconFrame(this._symbolicIcon)
+            if (!this.icon)
+                this.icon = albumArtCache.makeIconFrame(this._symbolicIcon);
             this._model.set(
                     iter,
                     [0, 1, 2, 3, 4, 5],
-                    [toString(item.get_id()), "", item.get_title(), artist, icon, item]
+                    [toString(item.get_id()), "", item.get_title(), artist, this.icon, item]
                 );
             GLib.idle_add(300, Lang.bind(this, this._updateAlbumArt, item, iter));
         }
@@ -273,6 +274,32 @@ const ViewContainer = new Lang.Class({
     },
 
     _onItemActivated: function (widget, id, path) {
+    },
+    //TODO: this should probably be a helper as it will probably
+    //be used by others
+    _createSymblolicIcon: function(path, w, h) {
+        //get a small pixbuf with the given path
+        let icon = GdkPixbuf.Pixbuf.new_from_file_at_scale(path,
+                    w < 0 ? -1 : w/4,
+                    h < 0 ? -1 : h/4, 
+                    true);
+
+        //create an empty pixbuf with the requested size
+        let result = GdkPixbuf.Pixbuf.new(icon.get_colorspace(),
+                true,
+                icon.get_bits_per_sample(),
+                icon.get_width()*4,
+                icon.get_height()*4);
+        result.fill(0x00000000);
+
+        icon.copy_area(0, 0,
+                        icon.get_width(),
+                        icon.get_height(),
+                        result,
+                        icon.get_width()*3/2,
+                        icon.get_height()*3/2);
+        return result;
+
     }
 
 });
@@ -328,8 +355,7 @@ const Songs = new Lang.Class({
         this.view.set_view_type(Gd.MainViewType.LIST);
         this._iconHeight = 32;
         this._iconWidth = 32;
-        let path = "/usr/share/icons/gnome/scalable/places/folder-music-symbolic.svg";
-        this._symbolicIcon = GdkPixbuf.Pixbuf.new_from_file_at_scale(path, this._iconHeight, 
this._iconWidth, true)
+        this._symbolicIcon = this._createSymblolicIcon(symbolicMusicPath, this._iconHeight, this._iconWidth)
         this._addListRenderers();
         this.player = player;
     },