Add CallsEncryptionIndicator

This will be used in the next commit to let a call display indicate
whether the call is encrypted or not.

src/calls-encryption-indicator.c

+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Author: Adrien Plazas <adrien.plazas@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "calls-encryption-indicator.h"
+
+#include <glib/gi18n.h>
+
+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);
+}
+

src/calls-encryption-indicator.h

+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Author: Adrien Plazas <adrien.plazas@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef CALLS_ENCRYPTION_INDICATOR_H__
+#define CALLS_ENCRYPTION_INDICATOR_H__
+
+#include <gtk/gtk.h>
+
+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__ */
+

src/calls.gresources.xml

@@ -4,5 +4,6 @@
     <file preprocess="xml-stripblanks">main-window.ui</file>
     <file preprocess="xml-stripblanks">call-display.ui</file>
     <file preprocess="xml-stripblanks">call-selector-item.ui</file>
+    <file preprocess="xml-stripblanks">encryption-indicator.ui</file>
   </gresource>
 </gresources>

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',
                 ]

src/ui/encryption-indicator.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.0 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <template class="CallsEncryptionIndicator" parent="GtkStack">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkBox" id="is_not_encrypted">
+        <property name="can_focus">False</property>
+        <property name="spacing">6</property>
+        <property name="halign">center</property>
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">True</property>
+            <property name="icon-name">changes-allow-symbolic</property>
+            <property name="icon-size">1</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">This call is not encrypted</property>
+            <property name="visible">True</property>
+          </object>
+        </child>
+      </object>
+    </child>
+    <child>
+      <object class="GtkBox" id="is_encrypted">
+        <property name="can_focus">False</property>
+        <property name="spacing">6</property>
+        <property name="halign">center</property>
+        <property name="visible">True</property>
+        <child>
+          <object class="GtkImage">
+            <property name="visible">True</property>
+            <property name="icon-name">changes-prevent-symbolic</property>
+            <property name="icon-size">1</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">This call is encrypted</property>
+            <property name="visible">True</property>
+          </object>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>