[gnome-panel] menu: add bookmarks to places menu

[Alberts Muktupāvels <muktupavels src gnome org>]

commit a38a4be396ee81381d209c2a2e0fe8c00449564a
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Feb 4 18:58:03 2018 +0200

    menu: add bookmarks to places menu

 modules/menu/gp-places-menu.c |  244 ++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 242 insertions(+), 2 deletions(-)
---
diff --git a/modules/menu/gp-places-menu.c b/modules/menu/gp-places-menu.c
index 729199c..fa763ab 100644
--- a/modules/menu/gp-places-menu.c
+++ b/modules/menu/gp-places-menu.c
@@ -16,13 +16,29 @@
  */
 
 #include "config.h"
+
+#include <glib/gi18n-lib.h>
+#include <libgnome-panel/gp-image-menu-item.h>
+
+#include "gp-bookmarks.h"
+#include "gp-menu-utils.h"
 #include "gp-places-menu.h"
 
+#define MAX_ITEMS_OR_SUBMENU 8
+
 struct _GpPlacesMenu
 {
-  GtkMenu   parent;
+  GtkMenu      parent;
+
+  GpApplet    *applet;
 
-  GpApplet *applet;
+  guint        reload_id;
+
+  GpBookmarks *bookmarks;
+  GtkWidget   *bookmarks_menu;
+
+  gulong       locked_down_id;
+  gulong       menu_icon_size_id;
 };
 
 enum
@@ -39,12 +55,235 @@ static GParamSpec *menu_properties[LAST_PROP] = { NULL };
 G_DEFINE_TYPE (GpPlacesMenu, gp_places_menu, GTK_TYPE_MENU)
 
 static void
+bookmark_activate_cb (GtkWidget   *item,
+                      const gchar *uri)
+{
+  gp_menu_utils_show_uri (uri, NULL, GDK_CURRENT_TIME);
+}
+
+static void
+bookmark_drag_data_get_cb (GtkWidget        *widget,
+                           GdkDragContext   *context,
+                           GtkSelectionData *selection_data,
+                           guint             info,
+                           guint             time,
+                           const gchar      *uri)
+{
+  gchar *uris[2];
+
+  uris[0] = (gchar *) uri;
+  uris[1] = NULL;
+
+  gtk_selection_data_set_uris (selection_data, uris);
+}
+
+static void
+append_bookmark (GpBookmarks  *bookmarks,
+                 GpBookmark   *bookmark,
+                 GpPlacesMenu *menu)
+{
+  GtkWidget *add_menu;
+  guint icon_size;
+  GtkWidget *icon;
+  GtkWidget *item;
+
+  add_menu = menu->bookmarks_menu ? menu->bookmarks_menu : GTK_WIDGET (menu);
+
+  if (bookmark->icon != NULL)
+    icon = gtk_image_new_from_gicon (bookmark->icon, GTK_ICON_SIZE_MENU);
+  else
+    icon = gtk_image_new_from_icon_name ("folder", GTK_ICON_SIZE_MENU);
+
+  icon_size = gp_applet_get_menu_icon_size (menu->applet);
+  gtk_image_set_pixel_size (GTK_IMAGE (icon), icon_size);
+
+  item = gp_image_menu_item_new_with_label (bookmark->label);
+  gp_image_menu_item_set_image (GP_IMAGE_MENU_ITEM (item), icon);
+  gtk_menu_shell_append (GTK_MENU_SHELL (add_menu), item);
+  gtk_widget_show (item);
+
+  if (bookmark->tooltip != NULL)
+    {
+      gtk_widget_set_tooltip_text (item, bookmark->tooltip);
+
+      g_object_bind_property (menu->applet, "enable-tooltips",
+                              item, "has-tooltip",
+                              G_BINDING_DEFAULT |
+                              G_BINDING_SYNC_CREATE);
+    }
+
+  if (!gp_applet_get_locked_down (menu->applet))
+    {
+      static const GtkTargetEntry drag_targets[] =
+        {
+          { (gchar *) "text/uri-list", 0, 0 }
+        };
+
+      gtk_drag_source_set (item, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
+                           drag_targets, G_N_ELEMENTS (drag_targets),
+                           GDK_ACTION_COPY);
+
+      if (bookmark->icon != NULL)
+        gtk_drag_source_set_icon_gicon (item, bookmark->icon);
+
+      g_signal_connect_data (item, "drag-data-get",
+                             G_CALLBACK (bookmark_drag_data_get_cb),
+                             g_file_get_uri (bookmark->file),
+                             (GClosureNotify) g_free,
+                             0);
+    }
+
+  g_signal_connect_data (item, "activate",
+                         G_CALLBACK (bookmark_activate_cb),
+                         g_file_get_uri (bookmark->file),
+                         (GClosureNotify) g_free,
+                         0);
+}
+
+static void
+append_bookmarks (GpPlacesMenu *menu)
+{
+  if (gp_bookmarks_get_count (menu->bookmarks) > MAX_ITEMS_OR_SUBMENU)
+    {
+      guint icon_size;
+      GtkWidget *icon;
+      GtkWidget *item;
+
+      icon_size = gp_applet_get_menu_icon_size (menu->applet);
+      icon = gtk_image_new_from_icon_name ("user-bookmarks", GTK_ICON_SIZE_MENU);
+      gtk_image_set_pixel_size (GTK_IMAGE (icon), icon_size);
+
+      item = gp_image_menu_item_new_with_label (_("Bookmarks"));
+      gp_image_menu_item_set_image (GP_IMAGE_MENU_ITEM (item), icon);
+      gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+      gtk_widget_show (item);
+
+      menu->bookmarks_menu = gtk_menu_new ();
+      g_object_add_weak_pointer (G_OBJECT (item), (gpointer *) &menu->bookmarks_menu);
+      gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), menu->bookmarks_menu);
+    }
+
+  gp_bookmarks_foreach (menu->bookmarks,
+                        (GpBookmarksForeachFunc) append_bookmark,
+                        menu);
+}
+
+static void
+remove_item (GtkWidget *widget,
+             gpointer   user_data)
+{
+  gtk_widget_destroy (widget);
+}
+
+static void
+menu_reload (GpPlacesMenu *menu)
+{
+  gtk_container_foreach (GTK_CONTAINER (menu), remove_item, NULL);
+  g_assert (menu->bookmarks_menu == NULL);
+
+  append_bookmarks (menu);
+}
+
+static gboolean
+reload_cb (gpointer user_data)
+{
+  GpPlacesMenu *menu;
+
+  menu = GP_PLACES_MENU (user_data);
+
+  menu_reload (menu);
+  menu->reload_id = 0;
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+queue_reload (GpPlacesMenu *menu)
+{
+  if (menu->reload_id != 0)
+    return;
+
+  menu->reload_id = g_timeout_add_full (G_PRIORITY_LOW, 200,
+                                        reload_cb, menu,
+                                        NULL);
+
+  g_source_set_name_by_id (menu->reload_id, "[menu] reload_cb");
+}
+
+static void
+bookmarks_changed_cb (GpBookmarks  *bookmarks,
+                      GpPlacesMenu *menu)
+{
+  queue_reload (menu);
+}
+
+static void
+locked_down_cb (GpApplet     *applet,
+                GParamSpec   *pspec,
+                GpPlacesMenu *menu)
+{
+  queue_reload (menu);
+}
+
+static void
+menu_icon_size_cb (GpApplet     *applet,
+                   GParamSpec   *pspec,
+                   GpPlacesMenu *menu)
+{
+  queue_reload (menu);
+}
+
+static void
+gp_places_menu_constructed (GObject *object)
+{
+  GpPlacesMenu *menu;
+
+  menu = GP_PLACES_MENU (object);
+
+  G_OBJECT_CLASS (gp_places_menu_parent_class)->constructed (object);
+
+  menu->bookmarks = gp_bookmarks_new ();
+  g_signal_connect (menu->bookmarks, "changed",
+                    G_CALLBACK (bookmarks_changed_cb), menu);
+
+  menu->locked_down_id = g_signal_connect (menu->applet, "notify::locked-down",
+                                           G_CALLBACK (locked_down_cb), menu);
+
+  menu->menu_icon_size_id = g_signal_connect (menu->applet,
+                                              "notify::menu-icon-size",
+                                              G_CALLBACK (menu_icon_size_cb),
+                                              menu);
+
+  queue_reload (menu);
+}
+
+static void
 gp_places_menu_dispose (GObject *object)
 {
   GpPlacesMenu *menu;
 
   menu = GP_PLACES_MENU (object);
 
+  if (menu->reload_id != 0)
+    {
+      g_source_remove (menu->reload_id);
+      menu->reload_id = 0;
+    }
+
+  if (menu->locked_down_id != 0)
+    {
+      g_signal_handler_disconnect (menu->applet, menu->locked_down_id);
+      menu->locked_down_id = 0;
+    }
+
+  if (menu->menu_icon_size_id != 0)
+    {
+      g_signal_handler_disconnect (menu->applet, menu->menu_icon_size_id);
+      menu->menu_icon_size_id = 0;
+    }
+
+  g_clear_object (&menu->bookmarks);
+
   menu->applet = NULL;
 
   G_OBJECT_CLASS (gp_places_menu_parent_class)->dispose (object);
@@ -92,6 +331,7 @@ gp_places_menu_class_init (GpPlacesMenuClass *menu_class)
 
   object_class = G_OBJECT_CLASS (menu_class);
 
+  object_class->constructed = gp_places_menu_constructed;
   object_class->dispose = gp_places_menu_dispose;
   object_class->set_property = gp_places_menu_set_property;