diff --git a/src/calls-encryption-indicator.c b/src/calls-encryption-indicator.c
new file mode 100644
index 0000000..63aca8a
--- /dev/null
+++ b/src/calls-encryption-indicator.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2018 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls 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.
+ *
+ * Calls 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 Calls. If not, see .
+ *
+ * Author: Adrien Plazas
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "calls-encryption-indicator.h"
+
+#include
+
+struct _CallsEncryptionIndicator
+{
+ GtkStack parent_instance;
+
+ GtkBox *is_not_encrypted;
+ GtkBox *is_encrypted;
+};
+
+G_DEFINE_TYPE (CallsEncryptionIndicator, calls_encryption_indicator, GTK_TYPE_STACK);
+
+enum {
+ PROP_0,
+ PROP_ENCRYPTED,
+ PROP_LAST_PROP,
+};
+static GParamSpec *props[PROP_LAST_PROP];
+
+
+void
+calls_encryption_indicator_set_encrypted (CallsEncryptionIndicator *self,
+ gboolean encrypted)
+{
+ g_return_if_fail (CALLS_IS_ENCRYPTION_INDICATOR (self));
+
+ encrypted = !!encrypted;
+
+ gtk_stack_set_visible_child (
+ GTK_STACK (self),
+ GTK_WIDGET (encrypted ? self->is_encrypted : self->is_not_encrypted));
+}
+
+
+gboolean
+calls_encryption_indicator_get_encrypted (CallsEncryptionIndicator *self)
+{
+ g_return_val_if_fail (CALLS_IS_ENCRYPTION_INDICATOR (self), FALSE);
+
+ return gtk_stack_get_visible_child (GTK_STACK (self)) == GTK_WIDGET (self->is_encrypted);
+}
+
+
+static void
+calls_encryption_indicator_init (CallsEncryptionIndicator *self)
+{
+ gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+
+static void
+set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ CallsEncryptionIndicator *self = CALLS_ENCRYPTION_INDICATOR (object);
+
+ switch (property_id) {
+ case PROP_ENCRYPTED:
+ calls_encryption_indicator_set_encrypted (self, g_value_get_boolean (value));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+
+static void
+get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ CallsEncryptionIndicator *self = CALLS_ENCRYPTION_INDICATOR (object);
+
+ switch (property_id) {
+ case PROP_ENCRYPTED:
+ g_value_set_boolean (value, calls_encryption_indicator_get_encrypted (self));
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+
+static void
+calls_encryption_indicator_class_init (CallsEncryptionIndicatorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ object_class->set_property = set_property;
+ object_class->get_property = get_property;
+
+ props[PROP_ENCRYPTED] =
+ g_param_spec_boolean ("encrypted",
+ _("Encrypted"),
+ _("The party participating in the call"),
+ FALSE,
+ G_PARAM_READWRITE);
+
+ g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
+ gtk_widget_class_set_template_from_resource (widget_class, "/sm/puri/calls/ui/encryption-indicator.ui");
+ gtk_widget_class_bind_template_child (widget_class, CallsEncryptionIndicator, is_not_encrypted);
+ gtk_widget_class_bind_template_child (widget_class, CallsEncryptionIndicator, is_encrypted);
+}
+
diff --git a/src/calls-encryption-indicator.h b/src/calls-encryption-indicator.h
new file mode 100644
index 0000000..2e891fa
--- /dev/null
+++ b/src/calls-encryption-indicator.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2018 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls 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.
+ *
+ * Calls 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 Calls. If not, see .
+ *
+ * Author: Adrien Plazas
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef CALLS_ENCRYPTION_INDICATOR_H__
+#define CALLS_ENCRYPTION_INDICATOR_H__
+
+#include
+
+G_BEGIN_DECLS
+
+#define CALLS_TYPE_ENCRYPTION_INDICATOR (calls_encryption_indicator_get_type ())
+
+G_DECLARE_FINAL_TYPE (CallsEncryptionIndicator, calls_encryption_indicator, CALLS, ENCRYPTION_INDICATOR, GtkStack);
+
+
+void calls_encryption_indicator_set_encrypted (CallsEncryptionIndicator *self,
+ gboolean encrypted);
+gboolean calls_encryption_indicator_get_encrypted (CallsEncryptionIndicator *self);
+
+
+G_END_DECLS
+
+#endif /* CALLS_ENCRYPTION_INDICATOR_H__ */
+
diff --git a/src/calls.gresources.xml b/src/calls.gresources.xml
index 6912186..cbaa257 100644
--- a/src/calls.gresources.xml
+++ b/src/calls.gresources.xml
@@ -4,5 +4,6 @@
main-window.ui
call-display.ui
call-selector-item.ui
+ encryption-indicator.ui
diff --git a/src/meson.build b/src/meson.build
index 204f8fe..7d987ef 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -40,6 +40,7 @@ calls_sources = ['calls-message-source.c', 'calls-message-source.h',
'calls-call-holder.c', 'calls-call-holder.h',
'calls-call-display.c', 'calls-call-display.h',
'calls-call-selector-item.c', 'calls-call-selector-item.h',
+ 'calls-encryption-indicator.c', 'calls-encryption-indicator.h',
'calls-main-window.c', 'calls-main-window.h',
'util.c', 'util.h',
]
diff --git a/src/ui/encryption-indicator.ui b/src/ui/encryption-indicator.ui
new file mode 100644
index 0000000..32adc20
--- /dev/null
+++ b/src/ui/encryption-indicator.ui
@@ -0,0 +1,52 @@
+
+
+
+
+
+ False
+
+
+
+
+
+ False
+ 6
+ center
+ True
+
+
+ True
+ changes-prevent-symbolic
+ 1
+
+
+
+
+ False
+ This call is encrypted
+ True
+
+
+
+
+
+