[gnome-music/wip/mschraal/gtk4-v2: 81/89] albumsview: Fix coverloading code a bit

[Marinus Schraal <mschraal src gnome org>]

commit 3f7928860d652aba78c988e9532ffa10d3684c9f
Author: Marinus Schraal <mschraal gnome org>
Date:   Tue Apr 13 00:56:15 2021 +0200

    albumsview: Fix coverloading code a bit

 gnomemusic/artcache.py         | 11 ++++++++++-
 gnomemusic/coverpaintable.py   | 41 +++++++++++++++++++++++++++--------------
 gnomemusic/views/albumsview.py | 17 ++++++++++-------
 3 files changed, 47 insertions(+), 22 deletions(-)
---
diff --git a/gnomemusic/artcache.py b/gnomemusic/artcache.py
index 079597c89..7b0032998 100644
--- a/gnomemusic/artcache.py
+++ b/gnomemusic/artcache.py
@@ -221,6 +221,14 @@ class ArtCache(GObject.GObject):
 
         stream.close_async(GLib.PRIORITY_LOW, None, self._close_stream, None)
 
+        texture = Gdk.Texture.new_for_pixbuf(pixbuf)
+
+        if (texture
+                and (isinstance(self._coreobject, CoreAlbum)
+                     or isinstance(self._coreobject, CoreSong))):
+            paintable = CoverPaintable(self._size, texture)
+            # surface = _make_icon_frame(surface, self._size, self._scale)
+
         # surface = Gdk.cairo_surface_create_from_pixbuf(
         #     pixbuf, self._scale, None)
         # if isinstance(self._coreobject, CoreArtist):
@@ -229,7 +237,8 @@ class ArtCache(GObject.GObject):
         # elif (isinstance(self._coreobject, CoreAlbum)
         #         or isinstance(self._coreobject, CoreSong)):
         #     surface = _make_icon_frame(surface, self._size, self._scale)
-        paintable = CoverPaintable(self._size)
+        else:
+            paintable = CoverPaintable(self._size)
 
         self.emit("result", paintable)
 
diff --git a/gnomemusic/coverpaintable.py b/gnomemusic/coverpaintable.py
index 47666a6c7..545bb8370 100644
--- a/gnomemusic/coverpaintable.py
+++ b/gnomemusic/coverpaintable.py
@@ -2,7 +2,7 @@ from math import pi
 
 import gi
 gi.require_versions({"Gdk": "4.0", "Gtk": "4.0"})
-from gi.repository import Gtk, GObject, Graphene, Gdk
+from gi.repository import Gsk, Gtk, GObject, Graphene, Gdk
 
 
 from gnomemusic.utils import ArtSize
@@ -12,11 +12,11 @@ class CoverPaintable(GObject.GObject, Gdk.Paintable):
 
     __gtype_name__ = "CoverPaintable"
 
-    def __init__(self, art_size):
+    def __init__(self, art_size, texture=None):
         super().__init__()
 
+        self._texture = texture
         self._art_size = art_size
-        print("CoverPaintable")
 
     def do_snapshot(self, snapshot, width, height):
         width = self._art_size.width
@@ -24,21 +24,34 @@ class CoverPaintable(GObject.GObject, Gdk.Paintable):
         w = width
         h = height
 
-        degrees = pi / 180
-        if self._art_size == ArtSize.SMALL:
-            radius = 2
+        if self._texture is not None:
+            rect = Graphene.Rect().init(0, 0, w, h)
+            rgba = Gdk.RGBA(1.0, 1.0, 1.0, 0.5)
+
+            # snapshot.append_color(rgba, rect)
+            snapshot.append_texture(self._texture, rect)
+
+            # gs = Graphene.Size().init(10.0, 10.0)
+            # gskrr = Gsk.RoundedRect().init(
+            #     rect, gs, gs, gs, gs)
+            # snapshot.push_rounded_clip(gskrr)
+            # snapshot.append_color(rgba, rect)
+            # snapshot.pop()
         else:
-            radius = 8
-        # icon_w = icon_surface.get_width()
-        # icon_h = icon_surface.get_height()
-        ratio = h / w
+            degrees = pi / 180
+            if self._art_size == ArtSize.SMALL:
+                radius = 2
+            else:
+                radius = 8
+
+            ratio = h / w
 
-        theme = Gtk.IconTheme.new()
+            theme = Gtk.IconTheme.new()
 
-        icon_pt = theme.lookup_icon(
-            "folder-music-symbolic", None, w, 1, 0, 0)
+            icon_pt = theme.lookup_icon(
+                "folder-music-symbolic", None, w, 1, 0, 0)
 
-        icon_pt.snapshot(snapshot, w, h)
+            icon_pt.snapshot(snapshot, w, h)
 
     def do_get_flags(self):
         return Gdk.PaintableFlags.SIZE | Gdk.PaintableFlags.CONTENTS
diff --git a/gnomemusic/views/albumsview.py b/gnomemusic/views/albumsview.py
index d086350d4..c9dd0a4c4 100644
--- a/gnomemusic/views/albumsview.py
+++ b/gnomemusic/views/albumsview.py
@@ -114,22 +114,25 @@ class AlbumsView(Gtk.Stack):
         if first_cover is None:
             return GLib.SOURCE_REMOVE
 
-        cover_size, _ = first_cover.get_allocated_size()
-        if cover_size.width == 0 or cover_size.height == 0:
+        cover_w = first_cover.get_allocated_width()
+        cover_h = first_cover.get_allocated_height()
+
+        if cover_w == 0 or cover_h == 0:
             return GLib.SOURCE_REMOVE
 
-        viewport_size, _ = self._viewport.get_allocated_size()
+        viewport_w = self._viewport.get_allocated_width()
+        viewport_h = self._viewport.get_allocated_height()
 
         h_space = self._flowbox.get_column_spacing()
         v_space = self._flowbox.get_row_spacing()
         nr_cols = (
-            (viewport_size.width + h_space) // (cover_size.width + h_space))
+            (viewport_w + h_space) // (cover_w + h_space))
 
         top_left_cover = self._flowbox.get_child_at_index(
-            nr_cols * (adjustment // (cover_size.height + v_space)))
+            nr_cols * (adjustment // (cover_h + v_space)))
 
-        covers_col = math.ceil(viewport_size.width / cover_size.width)
-        covers_row = math.ceil(viewport_size.height / cover_size.height)
+        covers_col = math.ceil(viewport_w / cover_w)
+        covers_row = math.ceil(viewport_h / cover_h)
 
         children = self._flowbox.get_children()
         retrieve_list = []