[gnome-builder] greeter: add delete-selection API

[Christian Hergert <chergert src gnome org>]

commit 386a59f26fd5b3556bc2719e96baf38530d31fb2
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 17 22:14:36 2017 -0800

    greeter: add delete-selection API
    
    This allows the selections to be deleted when the delete button
    is activated.

 src/libide/greeter/ide-greeter-perspective.c |   18 +++++++++++
 src/libide/greeter/ide-greeter-section.c     |    9 +++++
 src/libide/greeter/ide-greeter-section.h     |    3 ++
 src/plugins/recent/gbp-recent-section.c      |   42 ++++++++++++++++++++++++++
 4 files changed, 72 insertions(+), 0 deletions(-)
---
diff --git a/src/libide/greeter/ide-greeter-perspective.c b/src/libide/greeter/ide-greeter-perspective.c
index 08d0763..bed12ae 100644
--- a/src/libide/greeter/ide-greeter-perspective.c
+++ b/src/libide/greeter/ide-greeter-perspective.c
@@ -1042,6 +1042,21 @@ ide_greeter_perspective_constructed (GObject *object)
 }
 
 static void
+delete_selected_rows_cb (PeasExtensionSet *set,
+                         PeasPluginInfo   *plugin_info,
+                         PeasExtension    *exten,
+                         gpointer          user_data)
+{
+  IdeGreeterSection *section = (IdeGreeterSection *)exten;
+
+  g_assert (PEAS_IS_EXTENSION_SET (set));
+  g_assert (plugin_info != NULL);
+  g_assert (IDE_IS_GREETER_SECTION (section));
+
+  ide_greeter_section_delete_selected (section);
+}
+
+static void
 delete_selected_rows (GSimpleAction *simple,
                       GVariant      *param,
                       gpointer       user_data)
@@ -1052,6 +1067,9 @@ delete_selected_rows (GSimpleAction *simple,
 
   g_assert (IDE_IS_GREETER_PERSPECTIVE (self));
 
+  peas_extension_set_foreach (self->sections, delete_selected_rows_cb, NULL);
+  dzl_state_machine_set_state (self->state_machine, "browse");
+
   IDE_EXIT;
 }
 
diff --git a/src/libide/greeter/ide-greeter-section.c b/src/libide/greeter/ide-greeter-section.c
index 3168c05..c9a7797 100644
--- a/src/libide/greeter/ide-greeter-section.c
+++ b/src/libide/greeter/ide-greeter-section.c
@@ -150,3 +150,12 @@ ide_greeter_section_set_selection_mode (IdeGreeterSection *self,
   if (IDE_GREETER_SECTION_GET_IFACE (self)->set_selection_mode)
     IDE_GREETER_SECTION_GET_IFACE (self)->set_selection_mode (self, selection_mode);
 }
+
+void
+ide_greeter_section_delete_selected (IdeGreeterSection *self)
+{
+  g_assert (IDE_IS_GREETER_SECTION (self));
+
+  if (IDE_GREETER_SECTION_GET_IFACE (self)->delete_selected)
+    IDE_GREETER_SECTION_GET_IFACE (self)->delete_selected (self);
+}
diff --git a/src/libide/greeter/ide-greeter-section.h b/src/libide/greeter/ide-greeter-section.h
index d9a959c..1c66565 100644
--- a/src/libide/greeter/ide-greeter-section.h
+++ b/src/libide/greeter/ide-greeter-section.h
@@ -42,6 +42,7 @@ struct _IdeGreeterSectionInterface
   gboolean (*activate_first)     (IdeGreeterSection *self);
   void     (*set_selection_mode) (IdeGreeterSection *self,
                                   gboolean           selection_mode);
+  void     (*delete_selected)    (IdeGreeterSection *self);
 };
 
 IDE_AVAILABLE_IN_3_28
@@ -57,5 +58,7 @@ gboolean ide_greeter_section_activate_first         (IdeGreeterSection *self);
 IDE_AVAILABLE_IN_3_28
 void     ide_greeter_section_set_selection_mode     (IdeGreeterSection *self,
                                                      gboolean           selection_mode);
+IDE_AVAILABLE_IN_3_28
+void     ide_greeter_section_delete_selected        (IdeGreeterSection *self);
 
 G_END_DECLS
diff --git a/src/plugins/recent/gbp-recent-section.c b/src/plugins/recent/gbp-recent-section.c
index 2d96de9..e27782c 100644
--- a/src/plugins/recent/gbp-recent-section.c
+++ b/src/plugins/recent/gbp-recent-section.c
@@ -196,12 +196,54 @@ gbp_recent_section_set_selection_mode (IdeGreeterSection *section,
 }
 
 static void
+gbp_recent_section_delete_selected_cb (GtkWidget *widget,
+                                       gpointer   user_data)
+{
+  GbpRecentProjectRow *row = (GbpRecentProjectRow *)widget;
+  GList **list = user_data;
+  gboolean selected = FALSE;
+
+  g_assert (GBP_IS_RECENT_PROJECT_ROW (row));
+  g_assert (list != NULL);
+
+  g_object_get (row, "selected", &selected, NULL);
+
+  if (selected)
+    {
+      IdeProjectInfo *project_info;
+
+      project_info = gbp_recent_project_row_get_project_info (row);
+      *list = g_list_prepend (*list, g_object_ref (project_info));
+      gtk_widget_destroy (GTK_WIDGET (row));
+    }
+}
+
+static void
+gbp_recent_section_delete_selected (IdeGreeterSection *section)
+{
+  GbpRecentSection *self = (GbpRecentSection *)section;
+  IdeRecentProjects *projects;
+  GList *infos = NULL;
+
+  g_assert (GBP_IS_RECENT_SECTION (self));
+
+  gtk_container_foreach (GTK_CONTAINER (self->listbox),
+                         gbp_recent_section_delete_selected_cb,
+                         &infos);
+
+  projects = ide_application_get_recent_projects (IDE_APPLICATION_DEFAULT);
+  ide_recent_projects_remove (projects, infos);
+  g_list_free_full (infos, g_object_unref);
+}
+
+static void
 greeter_section_iface_init (IdeGreeterSectionInterface *iface)
 {
   iface->get_priority = gbp_recent_section_get_priority;
   iface->filter = gbp_recent_section_filter;
   iface->activate_first = gbp_recent_section_activate_first;
   iface->set_selection_mode = gbp_recent_section_set_selection_mode;
+  iface->delete_selected = gbp_recent_section_delete_selected;
 }
 
 G_DEFINE_TYPE_WITH_CODE (GbpRecentSection, gbp_recent_section, GTK_TYPE_BIN,