[eog/use-appchooser-and-portals: 1/3] EogWindow: Use GtkAppChooserDialog for the "Open With" choices

[Felipe Borges <felipeborges src gnome org>]

commit 50a9a643f1742506624e3d48aa10df33a5a824d4
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Dec 20 13:53:14 2019 +0100

    EogWindow: Use GtkAppChooserDialog for the "Open With" choices
    
    We want the list of applications to be available when Eog is
    running inside of a Flatpak. For that, we should unify the UI/UX
    of the "Open With" option.
    
    With these changes, we open a GtkAppChooserDialog when the user
    clicks in "Open With".
    
    In a following patch we will make sure that the Flatpak Portal is
    used when in a Flatpak environment, and that the dialog is used
    otherwise.
    
    Fixes #98

 data/eog-gear-menu.ui |   9 ++--
 data/popup-menus.ui   |   9 ++--
 src/eog-window.c      | 126 ++++++++++++++------------------------------------
 3 files changed, 42 insertions(+), 102 deletions(-)
---
diff --git a/data/eog-gear-menu.ui b/data/eog-gear-menu.ui
index 1e9cb4a3..724156b7 100644
--- a/data/eog-gear-menu.ui
+++ b/data/eog-gear-menu.ui
@@ -6,11 +6,10 @@
         <attribute name="label" translatable="yes">_Open…</attribute>
         <attribute name="action">win.open</attribute>
       </item>
-      <submenu>
-        <attribute name="label" translatable="yes">Op_en With</attribute>
-        <link name="submenu" id="open-with-menu">
-        </link>
-      </submenu>
+      <item>
+        <attribute name="label" translatable="yes">Op_en With…</attribute>
+        <attribute name="action">win.open-with</attribute>
+      </item>
     </section>
     <section>
       <item>
diff --git a/data/popup-menus.ui b/data/popup-menus.ui
index aae780c0..8fcf074e 100644
--- a/data/popup-menus.ui
+++ b/data/popup-menus.ui
@@ -2,11 +2,10 @@
 <interface>
   <menu id="view-popup-menu">
     <section>
-      <submenu>
-        <attribute name="label" translatable="yes">Open _with</attribute>
-        <link name="submenu" id="open-with-menu">
-        </link>
-      </submenu>
+      <item>
+        <attribute name="label" translatable="yes">Open _With…</attribute>
+        <attribute name="action">win.open-with</attribute>
+      </item>
     </section>
     <section>
       <item>
diff --git a/src/eog-window.c b/src/eog-window.c
index d6fc3834..e84a2b91 100644
--- a/src/eog-window.c
+++ b/src/eog-window.c
@@ -137,9 +137,6 @@ struct _EogWindowPrivate {
        GtkWidget           *message_area;
        GtkWidget           *properties_dlg;
 
-       GMenu               *open_with_menu;
-       GPtrArray           *appinfo;
-
        GtkBuilder          *gear_menu_builder;
 
        GtkWidget           *fullscreen_popup;
@@ -196,7 +193,6 @@ static void fullscreen_set_timeout (EogWindow *window);
 static void fullscreen_clear_timeout (EogWindow *window);
 static void slideshow_set_timeout (EogWindow *window);
 static void update_action_groups_state (EogWindow *window);
-static void eog_window_update_open_with_menu (EogWindow *window, EogImage *image);
 static void eog_window_list_store_image_added (GtkTreeModel *tree_model,
                                               GtkTreePath  *path,
                                               GtkTreeIter  *iter,
@@ -997,8 +993,6 @@ eog_window_display_image (EogWindow *window, EogImage *image)
 
        update_status_bar (window);
 
-       eog_window_update_open_with_menu (window, image);
-
        file = eog_image_get_file (image);
        g_idle_add_full (G_PRIORITY_LOW,
                         (GSourceFunc) add_file_to_recent_files,
@@ -1046,28 +1040,24 @@ _eog_window_launch_appinfo_with_files (EogWindow *window,
 }
 
 static void
-eog_window_action_open_with (GSimpleAction *action,
-                            GVariant      *parameter,
-                            gpointer       user_data)
+app_chooser_dialog_response_cb (GtkDialog *dialog,
+                                gint response_id,
+                                gpointer data)
 {
        EogWindow *window;
        GAppInfo *app;
        GFile *file;
        GList *files = NULL;
-       guint32 index = G_MAXUINT32;
-
 
-       g_return_if_fail (EOG_IS_WINDOW (user_data));
-       window = EOG_WINDOW (user_data);
+       g_return_if_fail (EOG_IS_WINDOW (data));
 
-       index = g_variant_get_uint32 (parameter);
-       if (G_UNLIKELY (index >= window->priv->appinfo->len))
-               return;
+       window = EOG_WINDOW (data);
 
-       app = g_ptr_array_index (window->priv->appinfo, index);
-       if (!app)
-               return;
+       if (response_id != GTK_RESPONSE_OK) {
+               goto out;
+       }
 
+       app = gtk_app_chooser_get_app_info (GTK_APP_CHOOSER (dialog));
        file = eog_image_get_file (window->priv->image);
        files = g_list_append (files, file);
 
@@ -1075,73 +1065,44 @@ eog_window_action_open_with (GSimpleAction *action,
 
        g_list_free (files);
        g_object_unref (file);
+out:
+       gtk_widget_destroy (GTK_WIDGET (dialog));
 }
 
 static void
-eog_window_update_open_with_menu (EogWindow *window, EogImage *image)
+eog_window_action_open_with (GSimpleAction *action,
+                            GVariant       *parameter,
+                            gpointer        user_data)
 {
-       EogWindowPrivate *priv;
-       GFile *file;
+       EogWindow *window;
+       GtkWidget *dialog;
        GFileInfo *file_info;
-       GList *apps = NULL, *li = NULL;
-       const gchar *mime_type;
-       guint32 count = 0;
-
-       priv = window->priv;
+       GFile *file;
+       const gchar *mime_type = NULL;
 
-       g_menu_remove_all (priv->open_with_menu);
-       g_ptr_array_free (priv->appinfo, TRUE);
-       priv->appinfo = g_ptr_array_new_with_free_func (g_object_unref);
+       g_return_if_fail (EOG_IS_WINDOW (user_data));
+       window = EOG_WINDOW (user_data);
 
-       file = eog_image_get_file (image);
+       file = eog_image_get_file (window->priv->image);
        file_info = g_file_query_info (file,
                                       G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
                                       0, NULL, NULL);
-
-       if (file_info == NULL) {
-               g_object_unref (file);
-               return;
-       }
-
-       mime_type = g_file_info_get_content_type (file_info);
-       apps = g_app_info_get_all_for_type (mime_type);
+       mime_type = g_content_type_get_mime_type (
+                       g_file_info_get_content_type (file_info));
        g_object_unref (file_info);
-       if (!apps) {
-               g_object_unref (file);
-               return;
-       }
-
-       for (li = apps; li != NULL; li = li->next) {
-               GAppInfo *app = li->data;
-               gchar *label;
-               GIcon *icon;
-               GVariant *value;
-               GMenuItem *item;
-
-               /* Do not include eog itself */
-               if (g_ascii_strcasecmp (g_app_info_get_executable (app),
-                                       g_get_prgname ()) == 0) {
-                       g_object_unref (app);
-                       continue;
-               }
 
-               label = g_strdup (g_app_info_get_display_name (app));
-               item = g_menu_item_new (label, NULL);
-               g_free (label);
-               icon = g_app_info_get_icon (app);
-               g_menu_item_set_icon (item, icon);
+       dialog = gtk_app_chooser_dialog_new_for_content_type (GTK_WINDOW (window),
+                                                             GTK_DIALOG_MODAL |
+                                                             GTK_DIALOG_DESTROY_WITH_PARENT |
+                                                             GTK_DIALOG_USE_HEADER_BAR,
+                                                             mime_type);
+       gtk_widget_show (dialog);
 
-               value = g_variant_new_uint32 (count++);
-               g_menu_item_set_action_and_target_value (item,
-                                                        "win.open-with",
-                                                        value);
-               g_ptr_array_add (priv->appinfo, app);
-               g_menu_append_item (priv->open_with_menu, item);
-               g_object_unref (item);
-       }
+       g_signal_connect_object (dialog, "response",
+                                G_CALLBACK (app_chooser_dialog_response_cb),
+                                window, 0);
 
        g_object_unref (file);
-       g_list_free (apps);
 }
 
 static void
@@ -3973,7 +3934,7 @@ readonly_state_handler (GSimpleAction *action,
 static const GActionEntry window_actions[] = {
        /* Stateless actions on the window. */
        { "open",          eog_window_action_file_open },
-       { "open-with",     eog_window_action_open_with, "u" },
+       { "open-with",     eog_window_action_open_with },
        { "open-folder",   eog_window_action_open_containing_folder },
        { "save",          eog_window_action_save },
        { "save-as",       eog_window_action_save_as },
@@ -4290,12 +4251,6 @@ eog_window_construct_ui (EogWindow *window)
        gtk_header_bar_pack_end (GTK_HEADER_BAR (headerbar), fullscreen_button);
        gtk_widget_show (fullscreen_button);
 
-       priv->open_with_menu = g_menu_new ();
-       priv->appinfo = g_ptr_array_new_with_free_func (g_object_unref);
-       builder_object = gtk_builder_get_object (builder, "open-with-menu");
-       g_menu_append_section (G_MENU (builder_object),
-                              NULL,
-                              G_MENU_MODEL (priv->open_with_menu));
        priv->gear_menu_builder = builder;
        builder = NULL;
 
@@ -4388,10 +4343,7 @@ eog_window_construct_ui (EogWindow *window)
 
        builder = gtk_builder_new_from_resource ("/org/gnome/eog/ui/popup-menus.ui");
        builder_object = gtk_builder_get_object (builder, "view-popup-menu");
-       GObject *open_with_menu = gtk_builder_get_object (builder, "open-with-menu");
-       g_menu_append_section (G_MENU (open_with_menu),
-                              NULL,
-                              G_MENU_MODEL (priv->open_with_menu));
+
        popup_menu = gtk_menu_new_from_model (G_MENU_MODEL (builder_object));
 
        eog_scroll_view_set_popup (EOG_SCROLL_VIEW (priv->view),
@@ -4603,16 +4555,6 @@ eog_window_dispose (GObject *object)
                priv->image = NULL;
        }
 
-       if (priv->open_with_menu != NULL) {
-               g_object_unref (priv->open_with_menu);
-               priv->open_with_menu = NULL;
-       }
-
-       if (priv->appinfo != NULL) {
-               g_ptr_array_free (priv->appinfo, TRUE);
-               priv->appinfo = NULL;
-       }
-
        fullscreen_clear_timeout (window);
 
        if (window->priv->fullscreen_popup != NULL) {