Add drop support for .flatpak and .flatpakrefs

src/bz-application.c

@@ -189,6 +189,11 @@ static void
 open_metainfo_take (BzApplication *self,
                     GFile         *file);
 
+static void
+open_location_take (BzApplication *self,
+                    const char    *name_for_suffix_check,
+                    GFile         *file);
+
 static DexFuture *
 backend_sync_finally (DexFuture *future,
                       BzWeakRef *wr);
@@ -673,6 +678,28 @@ bz_application_show_app_id_action (GSimpleAction *action,
     }
 }
 
+static void
+bz_application_open_location_action (GSimpleAction *action,
+                                     GVariant      *parameter,
+                                     gpointer       user_data)
+{
+  BzApplication *self         = user_data;
+  const char    *uri          = NULL;
+  g_autoptr (GFile) file      = NULL;
+  g_autofree char *basename   = NULL;
+
+  g_assert (BZ_IS_APPLICATION (self));
+
+  uri = g_variant_get_string (parameter, NULL);
+  if (uri == NULL || *uri == '\0')
+    return;
+
+  file     = g_file_new_for_uri (uri);
+  basename = g_file_get_basename (file);
+
+  open_location_take (self, basename, g_object_ref (file));
+}
+
 static void
 bz_application_sync_remotes_action (GSimpleAction *action,
                                     GVariant      *parameter,
@@ -848,6 +875,7 @@ static const GActionEntry app_actions[] = {
   {            "donate",            bz_application_donate_action, NULL },
   {  "bazaar-inspector",  bz_application_bazaar_inspector_action, NULL },
   { "toggle-debug-mode", bz_application_toggle_debug_mode_action, NULL },
+  {     "open-location",     bz_application_open_location_action,  "s" },
 };
 
 static void
@@ -3790,6 +3818,19 @@ open_metainfo_take (BzApplication *self,
   g_object_unref (file);
 }
 
+static void
+open_location_take (BzApplication *self,
+                    const char    *name_for_suffix_check,
+                    GFile         *file)
+{
+  if (name_for_suffix_check != NULL &&
+      (g_str_has_suffix (name_for_suffix_check, ".metainfo.xml") ||
+       g_str_has_suffix (name_for_suffix_check, ".appdata.xml")))
+    open_metainfo_take (self, file);
+  else
+    open_flatpakref_take (self, file);
+}
+
 static void
 command_line_open_location (BzApplication           *self,
                             GApplicationCommandLine *cmdline,
@@ -3818,11 +3859,7 @@ command_line_open_location (BzApplication           *self,
                  : g_file_new_for_path (location);
     }
 
-  if (g_str_has_suffix (location, ".metainfo.xml") ||
-      g_str_has_suffix (location, ".appdata.xml"))
-    open_metainfo_take (self, g_steal_pointer (&file));
-  else
-    open_flatpakref_take (self, g_steal_pointer (&file));
+  open_location_take (self, location, g_steal_pointer (&file));
 }
 
 static void

src/bz-window.blp

@@ -32,6 +32,13 @@ template $BzWindow: Adw.ApplicationWindow {
     }
   }
 
+  DropTarget drop_target {
+    actions: copy;
+
+    accept => $drop_accept_cb(template);
+    drop => $drop_cb(template);
+  }
+
   content: Gtk.Overlay window_overlay {
     child: Adw.ToolbarView {
       content: Adw.BreakpointBin split_breakpoint_bin {

src/bz-window.c

@@ -67,6 +67,7 @@ struct _BzWindow
   AdwViewStack      *main_view_stack;
   GtkStack          *main_stack;
   GtkOverlay        *window_overlay;
+  GtkDropTarget     *drop_target;
 };
 
 G_DEFINE_FINAL_TYPE (BzWindow, bz_window, ADW_TYPE_APPLICATION_WINDOW)
@@ -394,6 +395,34 @@ format_title (gpointer    object,
   return g_strdup_printf (_ ("Bazaar — %s"), title);
 }
 
+static gboolean
+drop_accept_cb (BzWindow      *self,
+                GdkDrop       *drop,
+                GtkDropTarget *target)
+{
+  return !bz_state_info_get_busy (self->state) &&
+         self->screenshot_page == NULL &&
+         adw_application_window_get_visible_dialog (ADW_APPLICATION_WINDOW (self)) == NULL;
+}
+
+static gboolean
+drop_cb (BzWindow      *self,
+        const GValue  *value,
+        double         x,
+        double         y,
+        GtkDropTarget *target)
+{
+  GFile            *file = NULL;
+  g_autofree char  *uri  = NULL;
+
+  file = G_FILE (g_value_get_object (value));
+  uri  = g_file_get_uri (file);
+
+  gtk_widget_activate_action (GTK_WIDGET (self), "app.open-location", "s", uri);
+
+  return TRUE;
+}
+
 static BzEntryGroup *
 resolve_group_from_parameter (BzWindow *self,
                               GVariant *parameter,
@@ -786,6 +815,7 @@ bz_window_class_init (BzWindowClass *klass)
   gtk_widget_class_bind_template_child (widget_class, BzWindow, main_view_stack);
   gtk_widget_class_bind_template_child (widget_class, BzWindow, main_stack);
   gtk_widget_class_bind_template_child (widget_class, BzWindow, window_overlay);
+  gtk_widget_class_bind_template_child (widget_class, BzWindow, drop_target);
   gtk_widget_class_bind_template_callback (widget_class, list_length);
   gtk_widget_class_bind_template_callback (widget_class, update_cb);
   gtk_widget_class_bind_template_callback (widget_class, page_toggled_cb);
@@ -797,6 +827,8 @@ bz_window_class_init (BzWindowClass *klass)
   gtk_widget_class_bind_template_callback (widget_class, open_search_cb);
   gtk_widget_class_bind_template_callback (widget_class, format_progress);
   gtk_widget_class_bind_template_callback (widget_class, format_title);
+  gtk_widget_class_bind_template_callback (widget_class, drop_accept_cb);
+  gtk_widget_class_bind_template_callback (widget_class, drop_cb);
 
   gtk_widget_class_install_action (widget_class, "escape", NULL, action_escape);
   gtk_widget_class_install_action (widget_class, "window.user-data", NULL, action_user_data);
@@ -874,6 +906,7 @@ bz_window_init (BzWindow *self)
                             G_CALLBACK (key_pressed),
                             self);
   gtk_widget_add_controller (GTK_WIDGET (self), self->key_controller);
+  gtk_drop_target_set_gtypes (self->drop_target, (GType[]) { G_TYPE_FILE }, 1);
 }
 
 static void