Adding upstream version 3.38.1.upstream/3.38.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/src/gs-review-histogram.c b/src/gs-review-histogram.c
new file mode 100644
index 0000000..5137f63
--- /dev/null
+++ b/src/gs-review-histogram.c
@@ -0,0 +1,112 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ * vi:set noexpandtab tabstop=8 shiftwidth=8:
+ *
+ * Copyright (C) 2016 Canonical Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "config.h"
+
+#include "gs-review-histogram.h"
+#include "gs-review-bar.h"
+
+typedef struct
+{
+	GtkWidget	*bar1;
+	GtkWidget	*bar2;
+	GtkWidget	*bar3;
+	GtkWidget	*bar4;
+	GtkWidget	*bar5;
+	GtkWidget	*label_count1;
+	GtkWidget	*label_count2;
+	GtkWidget	*label_count3;
+	GtkWidget	*label_count4;
+	GtkWidget	*label_count5;
+	GtkWidget	*label_total;
+} GsReviewHistogramPrivate;
+
+G_DEFINE_TYPE_WITH_PRIVATE (GsReviewHistogram, gs_review_histogram, GTK_TYPE_BIN)
+
+static void
+set_label (GtkWidget *label, gint value)
+{
+	g_autofree gchar *text = NULL;
+	text = g_strdup_printf ("%i", value);
+	gtk_label_set_text (GTK_LABEL (label), text);
+}
+
+void
+gs_review_histogram_set_ratings (GsReviewHistogram *histogram,
+				 GArray *review_ratings)
+{
+	GsReviewHistogramPrivate *priv = gs_review_histogram_get_instance_private (histogram);
+	gdouble fraction[6] = { 0.0f };
+	guint32 max = 0;
+	guint32 total = 0;
+
+	g_return_if_fail (GS_IS_REVIEW_HISTOGRAM (histogram));
+
+	/* sanity check */
+	if (review_ratings->len != 6) {
+		g_warning ("ratings data incorrect expected 012345");
+		return;
+	}
+
+	/* idx 0 is '0 stars' which we don't support in the UI */
+	for (guint i = 1; i < review_ratings->len; i++) {
+		guint32 c = g_array_index (review_ratings, guint32, i);
+		max = MAX (c, max);
+	}
+	for (guint i = 1; i < review_ratings->len; i++) {
+		guint32 c = g_array_index (review_ratings, guint32, i);
+		fraction[i] = max > 0 ? (gdouble) c / (gdouble) max : 0.f;
+		total += c;
+	}
+
+	gs_review_bar_set_fraction (GS_REVIEW_BAR (priv->bar5), fraction[5]);
+	set_label (priv->label_count5, g_array_index (review_ratings, guint, 5));
+	gs_review_bar_set_fraction (GS_REVIEW_BAR (priv->bar4), fraction[4]);
+	set_label (priv->label_count4, g_array_index (review_ratings, guint, 4));
+	gs_review_bar_set_fraction (GS_REVIEW_BAR (priv->bar3), fraction[3]);
+	set_label (priv->label_count3, g_array_index (review_ratings, guint, 3));
+	gs_review_bar_set_fraction (GS_REVIEW_BAR (priv->bar2), fraction[2]);
+	set_label (priv->label_count2, g_array_index (review_ratings, guint, 2));
+	gs_review_bar_set_fraction (GS_REVIEW_BAR (priv->bar1), fraction[1]);
+	set_label (priv->label_count1, g_array_index (review_ratings, guint, 1));
+	set_label (priv->label_total, total);
+}
+
+static void
+gs_review_histogram_init (GsReviewHistogram *histogram)
+{
+	gtk_widget_init_template (GTK_WIDGET (histogram));
+}
+
+static void
+gs_review_histogram_class_init (GsReviewHistogramClass *klass)
+{
+	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+	gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/Software/gs-review-histogram.ui");
+
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, bar5);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, bar4);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, bar3);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, bar2);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, bar1);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_count5);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_count4);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_count3);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_count2);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_count1);
+	gtk_widget_class_bind_template_child_private (widget_class, GsReviewHistogram, label_total);
+}
+
+GtkWidget *
+gs_review_histogram_new (void)
+{
+	GsReviewHistogram *histogram;
+	histogram = g_object_new (GS_TYPE_REVIEW_HISTOGRAM, NULL);
+	return GTK_WIDGET (histogram);
+}