Import Upstream version 43.0upstream/latest

1 files changed, 480 insertions, 0 deletions

diff --git a/src/plugins/today-panel/gtd-panel-today.c b/src/plugins/today-panel/gtd-panel-today.c
new file mode 100644
index 0000000..b6cac7a
--- /dev/null
+++ b/src/plugins/today-panel/gtd-panel-today.c
@@ -0,0 +1,480 @@
+/* gtd-panel-today.c
+ *
+ * Copyright (C) 2015-2020 Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "GtdPanelToday"
+
+#include <endeavour.h>
+#include "gtd-panel-today.h"
+
+#include <glib/gi18n.h>
+
+struct _GtdPanelToday
+{
+  GtkBox              parent;
+
+  GIcon              *icon;
+
+  gint                day_change_callback_id;
+
+  guint               number_of_tasks;
+  GtdTaskListView    *view;
+
+  GtkFilterListModel *filter_model;
+  GtkFilterListModel *incomplete_model;
+  GtkSortListModel   *sort_model;
+
+  GtkCssProvider     *css_provider;
+};
+
+static void          gtd_panel_iface_init                        (GtdPanelInterface  *iface);
+
+G_DEFINE_TYPE_EXTENDED (GtdPanelToday, gtd_panel_today, GTK_TYPE_BOX,
+                        0,
+                        G_IMPLEMENT_INTERFACE (GTD_TYPE_PANEL,
+                                               gtd_panel_iface_init))
+
+
+#define GTD_PANEL_TODAY_NAME     "panel-today"
+#define GTD_PANEL_TODAY_PRIORITY 1000
+
+enum
+{
+  PROP_0,
+  PROP_ICON,
+  PROP_MENU,
+  PROP_NAME,
+  PROP_PRIORITY,
+  PROP_SUBTITLE,
+  PROP_TITLE,
+  N_PROPS
+};
+
+
+/*
+ * Auxiliary methods
+ */
+
+static void
+load_css_provider (GtdPanelToday *self)
+{
+  g_autofree gchar *theme_name = NULL;
+  g_autofree gchar *theme_uri = NULL;
+  g_autoptr (GSettings) settings = NULL;
+  g_autoptr (GFile) css_file = NULL;
+
+  /* Load CSS provider */
+  settings = g_settings_new ("org.gnome.desktop.interface");
+  theme_name = g_settings_get_string (settings, "gtk-theme");
+  theme_uri = g_build_filename ("resource:///org/gnome/todo/theme/today-panel", theme_name, ".css", NULL);
+  css_file = g_file_new_for_uri (theme_uri);
+
+  self->css_provider = gtk_css_provider_new ();
+  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
+                                              GTK_STYLE_PROVIDER (self->css_provider),
+                                              GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+
+  if (g_file_query_exists (css_file, NULL))
+    gtk_css_provider_load_from_file (self->css_provider, css_file);
+  else
+    gtk_css_provider_load_from_resource (self->css_provider, "/org/gnome/todo/plugins/today-panel/theme/Adwaita.css");
+}
+
+static gboolean
+is_overdue (GDateTime *today,
+            GDateTime *dt)
+{
+  if (!dt)
+    return FALSE;
+
+  if (g_date_time_get_year (dt) > g_date_time_get_year (today))
+    return FALSE;
+
+  if (g_date_time_get_year (dt) < g_date_time_get_year (today))
+    return TRUE;
+
+  return g_date_time_get_day_of_year (dt) < g_date_time_get_day_of_year (today);
+}
+
+static gboolean
+is_today (GDateTime *today,
+          GDateTime *dt)
+{
+  if (!dt)
+    return FALSE;
+
+  if (g_date_time_get_year (dt) == g_date_time_get_year (today) &&
+      g_date_time_get_day_of_year (dt) == g_date_time_get_day_of_year (today))
+    {
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static GtkWidget*
+create_label (const gchar *text,
+              gboolean     overdue)
+{
+  GtkWidget *label;
+
+  label = g_object_new (GTK_TYPE_LABEL,
+                        "visible", TRUE,
+                        "label", text,
+                        "margin-top", overdue ? 6 : 18,
+                        "margin-bottom", 6,
+                        "margin-start", 6,
+                        "margin-end", 6,
+                        "xalign", 0.0,
+                        "hexpand", TRUE,
+                        NULL);
+
+  gtk_widget_add_css_class (label, overdue ? "date-overdue" : "date-scheduled");
+
+  return label;
+}
+
+static GtkWidget*
+header_func (GtdTask  *task,
+             GtdTask  *previous_task,
+             gpointer  user_data)
+{
+  g_autoptr (GDateTime) now = NULL;
+  g_autoptr (GDateTime) dt = NULL;
+  GtkWidget *header = NULL;
+
+  now = g_date_time_new_now_local ();
+  dt = gtd_task_get_due_date (task);
+
+  /* Only show a header if the we have overdue tasks */
+  if (!previous_task && is_overdue (now, dt))
+    {
+      header = create_label (_("Overdue"), TRUE);
+    }
+  else if (previous_task)
+    {
+      g_autoptr (GDateTime) previous_dt = NULL;
+
+      previous_dt = gtd_task_get_due_date (previous_task);
+
+      if (is_today (now, dt) != is_today (now, previous_dt))
+        header = create_label (_("Today"), FALSE);
+    }
+
+  return header;
+}
+
+
+/*
+ * Callbacks
+ */
+
+static gboolean
+filter_func (gpointer  item,
+             gpointer  user_data)
+{
+  g_autoptr (GDateTime) task_dt = NULL;
+  g_autoptr (GDateTime) now = NULL;
+  GtdTask *task;
+  gboolean complete;
+
+  task = (GtdTask*) item;
+  now = g_date_time_new_now_local ();
+  task_dt = gtd_task_get_due_date (task);
+
+  complete = gtd_task_get_complete (task);
+
+  return is_today (now, task_dt) || (!complete && is_overdue (now, task_dt));
+}
+
+static gboolean
+filter_complete_func (gpointer item,
+                      gpointer user_data)
+{
+  GtdTask *task = (GtdTask*) item;
+
+  return !gtd_task_get_complete (task);
+}
+
+static gint
+sort_func (gconstpointer a,
+           gconstpointer b,
+           gpointer      user_data)
+{
+  g_autoptr (GDateTime) dt1 = NULL;
+  g_autoptr (GDateTime) dt2 = NULL;
+  GtdTask *task1;
+  GtdTask *task2;
+  GDate dates[2];
+  gint result;
+
+  task1 = (GtdTask*) a;
+  task2 = (GtdTask*) b;
+
+  dt1 = gtd_task_get_due_date (task1);
+  dt2 = gtd_task_get_due_date (task2);
+
+  g_date_clear (dates, 2);
+
+  g_date_set_dmy (&dates[0],
+                  g_date_time_get_day_of_month (dt1),
+                  g_date_time_get_month (dt1),
+                  g_date_time_get_year (dt1));
+
+  g_date_set_dmy (&dates[1],
+                  g_date_time_get_day_of_month (dt2),
+                  g_date_time_get_month (dt2),
+                  g_date_time_get_year (dt2));
+
+  result = g_date_days_between (&dates[1], &dates[0]);
+
+  if (result != 0)
+    return result;
+
+  return gtd_task_compare (task1, task2);
+}
+
+static void
+on_model_items_changed_cb (GListModel    *model,
+                           guint          position,
+                           guint          n_removed,
+                           guint          n_added,
+                           GtdPanelToday *self)
+{
+  if (self->number_of_tasks == g_list_model_get_n_items (model))
+    return;
+
+  self->number_of_tasks = g_list_model_get_n_items (model);
+  g_object_notify (G_OBJECT (self), "subtitle");
+}
+
+static void
+on_clock_day_changed_cb (GtdClock      *clock,
+                         GtdPanelToday *self)
+{
+  g_autoptr (GDateTime) now = NULL;
+  GtkFilter *filter;
+
+  now = g_date_time_new_now_local ();
+  gtd_task_list_view_set_default_date (self->view, now);
+
+  filter = gtk_filter_list_model_get_filter (self->filter_model);
+  gtk_filter_changed (filter, GTK_FILTER_CHANGE_DIFFERENT);
+}
+
+
+/*
+ * GtdPanel iface
+ */
+
+static const gchar*
+gtd_panel_today_get_panel_name (GtdPanel *panel)
+{
+  return GTD_PANEL_TODAY_NAME;
+}
+
+static const gchar*
+gtd_panel_today_get_panel_title (GtdPanel *panel)
+{
+  return _("Today");
+}
+
+static GList*
+gtd_panel_today_get_header_widgets (GtdPanel *panel)
+{
+  return NULL;
+}
+
+static const GMenu*
+gtd_panel_today_get_menu (GtdPanel *panel)
+{
+  return NULL;
+}
+
+static GIcon*
+gtd_panel_today_get_icon (GtdPanel *panel)
+{
+  return g_object_ref (GTD_PANEL_TODAY (panel)->icon);
+}
+
+static guint32
+gtd_panel_today_get_priority (GtdPanel *panel)
+{
+  return GTD_PANEL_TODAY_PRIORITY;
+}
+
+static gchar*
+gtd_panel_today_get_subtitle (GtdPanel *panel)
+{
+  GtdPanelToday *self = GTD_PANEL_TODAY (panel);
+
+  return g_strdup_printf ("%d", self->number_of_tasks);
+}
+
+static void
+gtd_panel_iface_init (GtdPanelInterface *iface)
+{
+  iface->get_panel_name = gtd_panel_today_get_panel_name;
+  iface->get_panel_title = gtd_panel_today_get_panel_title;
+  iface->get_header_widgets = gtd_panel_today_get_header_widgets;
+  iface->get_menu = gtd_panel_today_get_menu;
+  iface->get_icon = gtd_panel_today_get_icon;
+  iface->get_priority = gtd_panel_today_get_priority;
+  iface->get_subtitle = gtd_panel_today_get_subtitle;
+}
+
+static void
+gtd_panel_today_finalize (GObject *object)
+{
+  GtdPanelToday *self = (GtdPanelToday *)object;
+
+  g_clear_object (&self->css_provider);
+  g_clear_object (&self->icon);
+  g_clear_object (&self->filter_model);
+  g_clear_object (&self->incomplete_model);
+  g_clear_object (&self->sort_model);
+
+  G_OBJECT_CLASS (gtd_panel_today_parent_class)->finalize (object);
+}
+
+static void
+gtd_panel_today_get_property (GObject    *object,
+                              guint       prop_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  GtdPanelToday *self = GTD_PANEL_TODAY (object);
+
+  switch (prop_id)
+    {
+    case PROP_ICON:
+      g_value_set_object (value, self->icon);
+      break;
+
+    case PROP_MENU:
+      g_value_set_object (value, NULL);
+      break;
+
+    case PROP_NAME:
+      g_value_set_string (value, GTD_PANEL_TODAY_NAME);
+      break;
+
+    case PROP_PRIORITY:
+      g_value_set_uint (value, GTD_PANEL_TODAY_PRIORITY);
+      break;
+
+    case PROP_SUBTITLE:
+      g_value_take_string (value, gtd_panel_get_subtitle (GTD_PANEL (self)));
+      break;
+
+    case PROP_TITLE:
+      g_value_set_string (value, gtd_panel_get_panel_title (GTD_PANEL (self)));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gtd_panel_today_set_property (GObject      *object,
+                              guint         prop_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
+{
+  G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+}
+
+static void
+gtd_panel_today_class_init (GtdPanelTodayClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = gtd_panel_today_finalize;
+  object_class->get_property = gtd_panel_today_get_property;
+  object_class->set_property = gtd_panel_today_set_property;
+
+  g_object_class_override_property (object_class, PROP_ICON, "icon");
+  g_object_class_override_property (object_class, PROP_MENU, "menu");
+  g_object_class_override_property (object_class, PROP_NAME, "name");
+  g_object_class_override_property (object_class, PROP_PRIORITY, "priority");
+  g_object_class_override_property (object_class, PROP_SUBTITLE, "subtitle");
+  g_object_class_override_property (object_class, PROP_TITLE, "title");
+}
+
+static void
+gtd_panel_today_init (GtdPanelToday *self)
+{
+  g_autoptr (GDateTime) now = NULL;
+  GtdManager *manager;
+  GtkCustomFilter *incomplete_filter;
+  GtkCustomFilter *filter;
+  GtkCustomSorter *sorter;
+
+  manager = gtd_manager_get_default ();
+
+  self->icon = g_themed_icon_new ("view-tasks-today-symbolic");
+
+  filter = gtk_custom_filter_new (filter_func, self, NULL);
+  self->filter_model = gtk_filter_list_model_new (gtd_manager_get_tasks_model (manager),
+                                                  GTK_FILTER (filter));
+
+  sorter = gtk_custom_sorter_new (sort_func, self, NULL);
+  self->sort_model = gtk_sort_list_model_new (G_LIST_MODEL (self->filter_model),
+                                              GTK_SORTER (sorter));
+
+  incomplete_filter = gtk_custom_filter_new (filter_complete_func, self, NULL);
+  self->incomplete_model = gtk_filter_list_model_new (G_LIST_MODEL (self->sort_model),
+                                                      GTK_FILTER (incomplete_filter));
+
+  /* Connect to GtdManager::list-* signals to update the title */
+  manager = gtd_manager_get_default ();
+  now = g_date_time_new_now_local ();
+
+  /* The main view */
+  self->view = GTD_TASK_LIST_VIEW (gtd_task_list_view_new ());
+  gtd_task_list_view_set_model (self->view, G_LIST_MODEL (self->sort_model));
+  gtd_task_list_view_set_show_list_name (self->view, TRUE);
+  gtd_task_list_view_set_show_due_date (self->view, FALSE);
+  gtd_task_list_view_set_default_date (self->view, now);
+
+  gtk_widget_set_hexpand (GTK_WIDGET (self->view), TRUE);
+  gtk_widget_set_vexpand (GTK_WIDGET (self->view), TRUE);
+  gtk_box_append (GTK_BOX (self), GTK_WIDGET (self->view));
+
+  gtd_task_list_view_set_header_func (self->view, header_func, self);
+
+  g_signal_connect_object (self->incomplete_model,
+                           "items-changed",
+                           G_CALLBACK (on_model_items_changed_cb),
+                           self,
+                           0);
+
+  g_signal_connect_object (gtd_manager_get_clock (manager),
+                           "day-changed",
+                           G_CALLBACK (on_clock_day_changed_cb),
+                           self,
+                           0);
+
+  load_css_provider (self);
+}
+
+GtkWidget*
+gtd_panel_today_new (void)
+{
+  return g_object_new (GTD_TYPE_PANEL_TODAY, NULL);
+}