1 files changed, 115 insertions, 0 deletions
diff --git a/src/gs-app-version-history-row.c b/src/gs-app-version-history-row.c
new file mode 100644
index 0000000..0c0dd9e
--- /dev/null
+++ b/src/gs-app-version-history-row.c
@@ -0,0 +1,115 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ * vi:set noexpandtab tabstop=8 shiftwidth=8:
+ *
+ * Copyright (C) 2021 Matthew Leeds <mwleeds@endlessos.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "config.h"
+
+#include <glib/gi18n.h>
+
+#include "gs-app-version-history-row.h"
+
+#include "gs-common.h"
+
+struct _GsAppVersionHistoryRow
+{
+	GtkListBoxRow	 parent_instance;
+
+	GtkWidget	*version_number_label;
+	GtkWidget	*version_date_label;
+	GtkWidget	*version_description_label;
+};
+
+G_DEFINE_TYPE (GsAppVersionHistoryRow, gs_app_version_history_row, GTK_TYPE_LIST_BOX_ROW)
+
+static void
+gs_app_version_history_row_class_init (GsAppVersionHistoryRowClass *klass)
+{
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+	gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Software/gs-app-version-history-row.ui");
+
+	gtk_widget_class_bind_template_child (widget_class, GsAppVersionHistoryRow, version_number_label);
+	gtk_widget_class_bind_template_child (widget_class, GsAppVersionHistoryRow, version_date_label);
+	gtk_widget_class_bind_template_child (widget_class, GsAppVersionHistoryRow, version_description_label);
+}
+
+static void
+gs_app_version_history_row_init (GsAppVersionHistoryRow *row)
+{
+	gtk_widget_init_template (GTK_WIDGET (row));
+}
+
+/**
+ * gs_app_version_history_row_set_info:
+ * @row: a #GsAppVersionHistoryRow
+ * @version_number: (nullable): version number of the release, or %NULL if unknown
+ * @version_date: release date of the version, as seconds since the Unix epoch,
+ *   or `0` if unknown
+ * @version_description: (nullable): Pango Markup for the full human readable
+ *   description of the release, or %NULL if unknown
+ *
+ * Set information about the release represented by this version history row.
+ */
+void
+gs_app_version_history_row_set_info (GsAppVersionHistoryRow *row,
+				     const char *version_number,
+				     guint64     version_date,
+				     const char *version_description)
+{
+	g_autofree char *version_date_string = NULL;
+	g_autofree char *version_date_string_tooltip = NULL;
+
+	if (version_number == NULL || *version_number == '\0')
+		return;
+
+	if (version_description != NULL && *version_description != '\0') {
+		g_autofree char *version_tmp = NULL;
+		version_tmp = g_strdup_printf (_("New in Version %s"), version_number);
+		gtk_label_set_label (GTK_LABEL (row->version_number_label), version_tmp);
+		gtk_label_set_markup (GTK_LABEL (row->version_description_label), version_description);
+		gtk_style_context_remove_class (gtk_widget_get_style_context (row->version_description_label), "dim-label");
+	} else {
+		g_autofree char *version_tmp = NULL;
+		const gchar *version_description_fallback;
+		version_tmp = g_strdup_printf (_("Version %s"), version_number);
+		gtk_label_set_label (GTK_LABEL (row->version_number_label), version_tmp);
+		version_description_fallback = _("No details for this release");
+		gtk_label_set_label (GTK_LABEL (row->version_description_label), version_description_fallback);
+		gtk_style_context_add_class (gtk_widget_get_style_context (row->version_description_label), "dim-label");
+	}
+
+	if (version_date != 0) {
+		g_autoptr(GDateTime) date_time = NULL;
+		const gchar *format_string;
+
+		/* this is the date in the form of "x weeks ago" or "y months ago" */
+		version_date_string = gs_utils_time_to_string ((gint64) version_date);
+
+		/* TRANSLATORS: This is the date string with: day number, month name, year.
+		   i.e. "25 May 2012" */
+		format_string = _("%e %B %Y");
+		date_time = g_date_time_new_from_unix_local (version_date);
+		version_date_string_tooltip = g_date_time_format (date_time, format_string);
+	}
+
+	if (version_date_string == NULL)
+		gtk_widget_set_visible (row->version_date_label, FALSE);
+	else
+		gtk_label_set_label (GTK_LABEL (row->version_date_label), version_date_string);
+
+	if (version_date_string_tooltip != NULL)
+		gtk_widget_set_tooltip_text (row->version_date_label, version_date_string_tooltip);
+}
+
+GtkWidget *
+gs_app_version_history_row_new (void)
+{
+	GsAppVersionHistoryRow *row;
+
+	row = g_object_new (GS_TYPE_APP_VERSION_HISTORY_ROW, NULL);
+	return GTK_WIDGET (row);
+}