[totem] grilo: Add selection toolbar

[Bastien Nocera <hadess src gnome org>]

commit c43d2e3b79c63471c0c4ec73542f2b690d3df150
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Jan 23 11:39:29 2014 +0100

    grilo: Add selection toolbar
    
    And hook up Play and Shuffle.

 src/plugins/grilo/grilo.ui      |   14 ++++
 src/plugins/grilo/totem-grilo.c |  151 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 165 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/grilo/grilo.ui b/src/plugins/grilo/grilo.ui
index c427924..911159f 100644
--- a/src/plugins/grilo/grilo.ui
+++ b/src/plugins/grilo/grilo.ui
@@ -161,6 +161,20 @@
         <property name="position">2</property>
       </packing>
     </child>
+    <child>
+      <object class="GtkRevealer" id="selection_revealer">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+      <packing>
+        <property name="expand">False</property>
+        <property name="fill">False</property>
+        <property name="position">3</property>
+      </packing>
+    </child>
   </object>
   <object class="GtkTreeStore" id="gw_search_store_results">
     <columns>
diff --git a/src/plugins/grilo/totem-grilo.c b/src/plugins/grilo/totem-grilo.c
index c3d6b1d..baf7b68 100644
--- a/src/plugins/grilo/totem-grilo.c
+++ b/src/plugins/grilo/totem-grilo.c
@@ -51,6 +51,7 @@
 
 #include "totem-search-entry.h"
 #include "totem-main-toolbar.h"
+#include "totem-selection-toolbar.h"
 #include <libgd/gd.h>
 
 #define TOTEM_TYPE_GRILO_PLUGIN                                         \
@@ -121,6 +122,10 @@ typedef struct {
        GHashTable *search_sources_ht;
        GtkWidget *search_sources_list;
 
+       /* Selection toolbar */
+       GtkWidget *selection_bar;
+       GtkWidget *selection_revealer;
+
        /* Popup */
        GtkUIManager *ui_manager;
        GtkActionGroup *action_group;
@@ -1538,6 +1543,7 @@ view_selection_changed_cb (GdMainView       *view,
        g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
 
        totem_main_toolbar_set_n_selected (TOTEM_MAIN_TOOLBAR (self->priv->header), count);
+       totem_selection_toolbar_set_n_selected (TOTEM_SELECTION_TOOLBAR (self->priv->selection_bar), count);
 }
 
 static void
@@ -1641,6 +1647,134 @@ search_mode_changed (GObject          *gobject,
        self->priv->in_search = search_mode;
 }
 
+typedef struct {
+       int random;
+       GtkTreePath *path;
+} RandomData;
+
+static int
+compare_random (gconstpointer ptr_a, gconstpointer ptr_b)
+{
+       RandomData *a = (RandomData *) ptr_a;
+       RandomData *b = (RandomData *) ptr_b;
+
+       if (a->random < b->random)
+               return -1;
+       else if (a->random > b->random)
+               return 1;
+       else
+               return 0;
+}
+
+static GPtrArray *
+shuffle_items (GList *list)
+{
+       GPtrArray *items;
+       GList *l;
+       GArray *array;
+       RandomData data;
+       guint len, i;
+
+       len = g_list_length (list);
+
+       items = g_ptr_array_new ();
+
+       array = g_array_sized_new (FALSE, FALSE, sizeof (RandomData), len);
+       for (l = list; l != NULL; l = l->next) {
+               data.random = g_random_int_range (0, len);
+               data.path = l->data;
+
+               g_array_append_val (array, data);
+       }
+       g_array_sort (array, compare_random);
+
+       for (i = 0; i < len; i++)
+               g_ptr_array_add (items, g_array_index (array, RandomData, i).path);
+
+       g_array_free (array, FALSE);
+
+       return items;
+}
+
+static void
+play_selection (TotemGriloPlugin *self,
+               gboolean          shuffle)
+{
+       GtkTreeModel *model;
+       GList *list;
+       gboolean first = TRUE;
+       GPtrArray *items;
+       guint i;
+
+       list = gd_main_view_get_selection (GD_MAIN_VIEW (self->priv->browser));
+       model = gd_main_view_get_model (GD_MAIN_VIEW (self->priv->browser));
+
+       /* Stuff the items in an array */
+       if (shuffle) {
+               items = shuffle_items (list);
+       } else {
+               GList *l;
+
+               items = g_ptr_array_new ();
+               for (l = list; l != NULL; l = l->next)
+                       g_ptr_array_add (items, l->data);
+       }
+       g_list_free (list);
+
+       totem_object_clear_playlist (self->priv->totem);
+
+       for (i = 0; i < items->len; i++) {
+               GtkTreePath *path = items->pdata[i];
+               GtkTreeIter iter;
+               GrlMedia *media;
+               const gchar *url;
+
+               gtk_tree_model_get_iter (model, &iter, path);
+               gtk_tree_model_get (model, &iter,
+                                   MODEL_RESULTS_CONTENT, &media,
+                                   -1);
+
+               url = grl_media_get_url (media);
+               if (!url) {
+                       g_message ("FIXME: resolve");
+                       goto next_item;
+               }
+
+               g_message ("title: %s", grl_media_get_title (media));
+               totem_object_add_to_playlist (self->priv->totem, url,
+                                             grl_media_get_title (media),
+                                             first);
+               first = FALSE;
+
+next_item:
+               g_clear_object (&media);
+               gtk_tree_path_free (path);
+       }
+
+       g_ptr_array_free (items, FALSE);
+}
+
+static void
+play_cb (TotemSelectionToolbar *bar,
+        TotemGriloPlugin      *self)
+{
+       play_selection (self, FALSE);
+}
+
+static void
+shuffle_cb (TotemSelectionToolbar *bar,
+           TotemGriloPlugin      *self)
+{
+       play_selection (self, TRUE);
+}
+
+static void
+delete_cb (TotemSelectionToolbar *bar,
+          TotemGriloPlugin      *self)
+{
+       /* FIXME: Call grl_source_remove(); */
+}
+
 static void
 setup_browse (TotemGriloPlugin *self,
              GtkBuilder *builder)
@@ -1723,6 +1857,23 @@ setup_browse (TotemGriloPlugin *self,
                          "button-press-event",
                          G_CALLBACK (context_button_pressed_cb), self);
 
+       /* Selection toolbar */
+       self->priv->selection_revealer = GTK_WIDGET (gtk_builder_get_object (builder, "selection_revealer"));
+       self->priv->selection_bar = totem_selection_toolbar_new ();
+       totem_selection_toolbar_set_show_delete_button (TOTEM_SELECTION_TOOLBAR (self->priv->selection_bar), 
FALSE);
+       gtk_container_add (GTK_CONTAINER (self->priv->selection_revealer),
+                          self->priv->selection_bar);
+       gtk_widget_show (self->priv->selection_bar);
+       g_object_bind_property (self->priv->header, "select-mode",
+                               self->priv->selection_revealer, "reveal-child",
+                               G_BINDING_SYNC_CREATE);
+       g_signal_connect (self->priv->selection_bar, "play-clicked",
+                         G_CALLBACK (play_cb), self);
+       g_signal_connect (self->priv->selection_bar, "shuffle-clicked",
+                         G_CALLBACK (shuffle_cb), self);
+       g_signal_connect (self->priv->selection_bar, "delete-clicked",
+                         G_CALLBACK (delete_cb), self);
+
        /* Loading thumbnails or more search results */
        adj = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (gtk_builder_get_object (builder, 
"gw_browse")));
        g_signal_connect (adj, "value_changed",