[epiphany/wip/exalm/synced-tabs-icons] synced-tab-dialog: Fix named icons

[Alexander Mikhaylenko <alexm src gnome org>]

commit 0bdb098638c0fa7910978556ff6c2cbd8c97ad53
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Feb 23 15:56:35 2022 +0500

    synced-tab-dialog: Fix named icons
    
    The computer icon was still dark in dark variant. The placeholder icon was
    just missing because we've moved the icon in resources at some point. Since
    that's not what we use for tabs anyway, fix that as well.
    
    While we're here, fix a leak - we were passing
    ephy_pixbuf_get_from_surface_scaled() results into the tree store and
    forgetting about them.

 src/resources/gtk/synced-tabs-dialog.ui |  4 +--
 src/synced-tabs-dialog.c                | 48 +++++++++++----------------------
 2 files changed, 18 insertions(+), 34 deletions(-)
---
diff --git a/src/resources/gtk/synced-tabs-dialog.ui b/src/resources/gtk/synced-tabs-dialog.ui
index 9d1dcaf65..0b9baed57 100644
--- a/src/resources/gtk/synced-tabs-dialog.ui
+++ b/src/resources/gtk/synced-tabs-dialog.ui
@@ -4,7 +4,7 @@
   <object class="GtkTreeStore" id="treestore">
     <columns>
       <!-- column-name ICON -->
-      <column type="GdkPixbuf"/>
+      <column type="GIcon"/>
       <!-- column-name TITLE -->
       <column type="gchararray"/>
       <!-- column-name URL -->
@@ -66,7 +66,7 @@
                         <child>
                           <object class="GtkCellRendererPixbuf"/>
                           <attributes>
-                            <attribute name="pixbuf">0</attribute>
+                            <attribute name="gicon">0</attribute>
                           </attributes>
                         </child>
                       </object>
diff --git a/src/synced-tabs-dialog.c b/src/synced-tabs-dialog.c
index bab10fa3d..ae8b17dc3 100644
--- a/src/synced-tabs-dialog.c
+++ b/src/synced-tabs-dialog.c
@@ -21,6 +21,7 @@
 #include "config.h"
 #include "synced-tabs-dialog.h"
 
+#include "ephy-desktop-utils.h"
 #include "ephy-embed-prefs.h"
 #include "ephy-embed-shell.h"
 #include "ephy-favicon-helpers.h"
@@ -28,16 +29,12 @@
 
 #include <json-glib/json-glib.h>
 
-#define PIXBUF_MISSING_PATH "/org/gnome/epiphany/web-watermark.svg"
-
 struct _SyncedTabsDialog {
   GtkDialog parent_instance;
 
   EphyOpenTabsManager *manager;
 
   WebKitFaviconDatabase *database;
-  GdkPixbuf *pixbuf_root;
-  GdkPixbuf *pixbuf_missing;
 
   GtkTreeModel *treestore;
   GtkWidget *treeview;
@@ -138,13 +135,13 @@ synced_tabs_dialog_favicon_loaded_cb (GObject      *source,
   WebKitFaviconDatabase *database = WEBKIT_FAVICON_DATABASE (source);
   PopulateRowAsyncData *data = (PopulateRowAsyncData *)user_data;
   cairo_surface_t *surface;
-  GdkPixbuf *favicon = NULL;
+  g_autoptr (GIcon) favicon = NULL;
   GtkTreeIter parent_iter;
   char *escaped_url;
 
   surface = webkit_favicon_database_get_favicon_finish (database, result, NULL);
   if (surface) {
-    favicon = ephy_pixbuf_get_from_surface_scaled (surface, FAVICON_SIZE, FAVICON_SIZE);
+    favicon = G_ICON (ephy_pixbuf_get_from_surface_scaled (surface, FAVICON_SIZE, FAVICON_SIZE));
     cairo_surface_destroy (surface);
   }
 
@@ -152,7 +149,15 @@ synced_tabs_dialog_favicon_loaded_cb (GObject      *source,
   for (guint i = 0; i < data->parent_index; i++)
     gtk_tree_model_iter_next (data->dialog->treestore, &parent_iter);
 
-  favicon = favicon ? favicon : data->dialog->pixbuf_missing;
+  if (!favicon) {
+    const char *icon_name = ephy_get_fallback_favicon_name (data->url, 
EPHY_FAVICON_TYPE_SHOW_MISSING_PLACEHOLDER);
+
+    if (!icon_name)
+      icon_name = "adw-tab-icon-missing-symbolic";
+
+    favicon = g_themed_icon_new (icon_name);
+  }
+
   escaped_url = g_markup_escape_text (data->url, -1);
   gtk_tree_store_insert_with_values (GTK_TREE_STORE (data->dialog->treestore),
                                      NULL, &parent_iter, -1,
@@ -176,6 +181,7 @@ synced_tabs_dialog_populate_from_record (SyncedTabsDialog   *dialog,
   GList *tabs;
   const char *title;
   const char *url;
+  g_autoptr (GIcon) icon = NULL;
 
   g_assert (EPHY_IS_SYNCED_TABS_DIALOG (dialog));
   g_assert (EPHY_IS_OPEN_TABS_RECORD (record));
@@ -185,10 +191,12 @@ synced_tabs_dialog_populate_from_record (SyncedTabsDialog   *dialog,
   else
     title = ephy_open_tabs_record_get_client_name (record);
 
+  icon = g_themed_icon_new ("computer-symbolic");
+
   /* Insert top-level row. */
   gtk_tree_store_insert_with_values (GTK_TREE_STORE (dialog->treestore),
                                      NULL, NULL, -1,
-                                     ICON_COLUMN, dialog->pixbuf_root,
+                                     ICON_COLUMN, icon,
                                      TITLE_COLUMN, title,
                                      URL_COLUMN, NULL,
                                      -1);
@@ -277,8 +285,6 @@ synced_tabs_dialog_dispose (GObject *object)
   SyncedTabsDialog *dialog = EPHY_SYNCED_TABS_DIALOG (object);
 
   g_clear_object (&dialog->manager);
-  g_clear_object (&dialog->pixbuf_root);
-  g_clear_object (&dialog->pixbuf_missing);
 
   G_OBJECT_CLASS (synced_tabs_dialog_parent_class)->dispose (object);
 }
@@ -315,8 +321,6 @@ static void
 synced_tabs_dialog_init (SyncedTabsDialog *dialog)
 {
   WebKitWebContext *context;
-  GdkPixbuf *pixbuf;
-  GError *error = NULL;
 
   gtk_widget_init_template (GTK_WIDGET (dialog));
 
@@ -324,26 +328,6 @@ synced_tabs_dialog_init (SyncedTabsDialog *dialog)
 
   context = ephy_embed_shell_get_web_context (ephy_embed_shell_get_default ());
   dialog->database = webkit_web_context_get_favicon_database (context);
-
-  dialog->pixbuf_root = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
-                                                  "computer-symbolic",
-                                                  FAVICON_SIZE, 0, &error);
-  if (error) {
-    g_warning ("Failed to build pixbuf from theme icon: %s", error->message);
-    g_error_free (error);
-    error = NULL;
-  }
-
-  pixbuf = gdk_pixbuf_new_from_resource (PIXBUF_MISSING_PATH, &error);
-  if (pixbuf) {
-    dialog->pixbuf_missing = gdk_pixbuf_scale_simple (pixbuf,
-                                                      FAVICON_SIZE, FAVICON_SIZE,
-                                                      GDK_INTERP_BILINEAR);
-    g_object_unref (pixbuf);
-  } else {
-    g_warning ("Failed to build pixbuf from resource: %s", error->message);
-    g_error_free (error);
-  }
 }
 
 SyncedTabsDialog *