gnome-keyring [PATCH 8/9] ui: add PKCS#11 object chooser button

[Lubomir Rintel <lkundrak v3 sk>]

Useful for selecting object URIs from PKCS#11 tokens.
---
 po/POTFILES.in                  |   2 +
 ui/Makefile.am                  |   2 +
 ui/gcr-object-chooser-button.c  | 183 ++++++++++++++++++++++++++++++++++++++++
 ui/gcr-object-chooser-button.h  |  38 +++++++++
 ui/gcr-object-chooser-button.ui |  58 +++++++++++++
 ui/gcr-ui.symbols               |   2 +
 ui/gcr.gresource.xml            |   1 +
 7 files changed, 286 insertions(+)
 create mode 100644 ui/gcr-object-chooser-button.c
 create mode 100644 ui/gcr-object-chooser-button.h
 create mode 100644 ui/gcr-object-chooser-button.ui

diff --git a/po/POTFILES.in b/po/POTFILES.in
index 012fb5f..f764574 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -27,6 +27,8 @@ ui/gcr-failure-renderer.c
 ui/gcr-gnupg-renderer.c
 ui/gcr-import-button.c
 ui/gcr-key-renderer.c
+ui/gcr-object-chooser-button.c
+[type: gettext/glade] ui/gcr-object-chooser-button.ui
 ui/gcr-object-chooser-widget.c
 [type: gettext/glade]ui/gcr-object-chooser-widget.ui
 ui/gcr-pkcs11-import-dialog.c
diff --git a/ui/Makefile.am b/ui/Makefile.am
index 74709b8..10d6ee0 100644
--- a/ui/Makefile.am
+++ b/ui/Makefile.am
@@ -59,6 +59,7 @@ ui_HEADER_FILES = \
        ui/gcr-key-widget.h \
        ui/gcr-import-button.h \
        ui/gcr-list-selector.h \
+       ui/gcr-object-chooser-button.h \
        ui/gcr-object-chooser-dialog.h \
        ui/gcr-object-chooser.h \
        ui/gcr-object-chooser-widget.h \
@@ -89,6 +90,7 @@ ui_PUBLIC_FILES = \
        ui/gcr-list-selector.c ui/gcr-list-selector.h \
        ui/gcr-object-chooser.c ui/gcr-object-chooser.h \
        ui/gcr-object-chooser-dialog.c ui/gcr-object-chooser-dialog.h \
+       ui/gcr-object-chooser-button.c ui/gcr-object-chooser-button.h \
        ui/gcr-prompt-dialog.c ui/gcr-prompt-dialog.h \
        ui/gcr-renderer.c ui/gcr-renderer.h \
        ui/gcr-secure-entry-buffer.c ui/gcr-secure-entry-buffer.h \
diff --git a/ui/gcr-object-chooser-button.c b/ui/gcr-object-chooser-button.c
new file mode 100644
index 0000000..8f79131
--- /dev/null
+++ b/ui/gcr-object-chooser-button.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2016 Lubomir Rintel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gcr-object-chooser-button.h"
+#include "gcr-object-chooser-dialog.h"
+
+#include "config.h"
+
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+#include <gck/gck.h>
+
+/**
+ * SECTION:gcr-object-chooser-button
+ * @title: GcrObjectChooserButton
+ * @short_description: The PKCS11 Object Chooser Button
+ * @see_also: #GcrObjectChooser
+ *
+ * #GcrObjectChooserButton is the PKCS11 object chooser button. It runs the
+ * #GcrObjectChooserDialog when clicked, to choose an object.
+ */
+
+struct _GcrObjectChooserButtonPrivate
+{
+       GtkWidget *dialog;
+       GtkLabel *label;
+
+       gchar *uri;
+};
+
+static void gcr_object_chooser_iface_init (GcrObjectChooserInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GcrObjectChooserButton, gcr_object_chooser_button, GTK_TYPE_BUTTON,
+                         G_ADD_PRIVATE (GcrObjectChooserButton)
+                         G_IMPLEMENT_INTERFACE (GCR_TYPE_OBJECT_CHOOSER, gcr_object_chooser_iface_init));
+
+static void
+set_uri (GcrObjectChooser *self, const gchar *uri)
+{
+       GcrObjectChooserButtonPrivate *priv = GCR_OBJECT_CHOOSER_BUTTON (self)->priv;
+       GckUriData *data;
+       GError *error = NULL;
+       gchar *label = NULL;
+       gchar *real_uri;
+       char *c;
+
+       if (priv->uri) {
+               g_free (priv->uri);
+               priv->uri = NULL;
+       }
+
+       if (uri) {
+               priv->uri = g_strdup (uri);
+       } else {
+               gtk_button_set_label (GTK_BUTTON (self), _("(None)"));
+               return;
+       }
+
+       /* XXX: Fix GckUri to handle URI attributes instead of chopping them off. */
+       real_uri = g_strdup (uri);
+       c = strchr (real_uri, '&');
+       if (c)
+               *c = '\0';
+       data = gck_uri_parse (real_uri, GCK_URI_FOR_ANY, &error);
+       g_free (real_uri);
+
+       if (data) {
+               if (!gck_attributes_find_string (data->attributes, CKA_LABEL, &label)) {
+                       if (data->token_info)
+                               label = g_strdup_printf (_("Certificate in %s"), data->token_info->label);
+               }
+       } else {
+               g_warning ("Bad URI: %s\n", error->message);
+               g_error_free (error);
+       }
+
+       if (!label)
+               label = g_strdup (_("(Unknown)"));
+       gtk_label_set_text (GTK_LABEL (priv->label), label);
+       g_free (label);
+       gck_uri_data_free (data);
+}
+
+static gchar *
+get_uri (GcrObjectChooser *self)
+{
+       GcrObjectChooserButtonPrivate *priv = GCR_OBJECT_CHOOSER_BUTTON (self)->priv;
+
+       return priv->uri;
+}
+
+static void
+gcr_object_chooser_iface_init (GcrObjectChooserInterface *iface)
+{
+       iface->set_uri = set_uri;
+       iface->get_uri = get_uri;
+}
+
+static void
+clicked (GtkButton *button)
+{
+       GcrObjectChooserButtonPrivate *priv = GCR_OBJECT_CHOOSER_BUTTON (button)->priv;
+
+       if (gtk_dialog_run (GTK_DIALOG (priv->dialog)) == GTK_RESPONSE_ACCEPT) {
+               gcr_object_chooser_set_uri (GCR_OBJECT_CHOOSER (button),
+                                           gcr_object_chooser_get_uri (GCR_OBJECT_CHOOSER (priv->dialog)));
+       }
+       gtk_widget_hide (priv->dialog);
+
+}
+
+static void
+finalize (GObject *object)
+{
+       GcrObjectChooserButtonPrivate *priv = GCR_OBJECT_CHOOSER_BUTTON (object)->priv;
+
+       if (priv->uri)
+               g_free (priv->uri);
+       gtk_widget_destroy (priv->dialog);
+}
+
+static void
+gcr_object_chooser_button_class_init (GcrObjectChooserButtonClass *klass)
+{
+       GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+       GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+       object_class->finalize = finalize;
+
+        gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/gcr/ui/gcr-object-chooser-button.ui");
+        gtk_widget_class_bind_template_child_private (widget_class, GcrObjectChooserButton, label);
+       gtk_widget_class_bind_template_callback (widget_class, clicked);
+}
+
+static void
+gcr_object_chooser_button_init (GcrObjectChooserButton *self)
+{
+       self->priv = gcr_object_chooser_button_get_instance_private (self);
+
+       gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+/**
+ * gcr_object_chooser_button_new:
+ * @parent_window: (allow-none): parent window of the #GtkObjectChooserDialog or %NULL
+ *
+ * Creates the new #GcrObjectChooserButton.
+ *
+ * Returns: newly created #GcrObjectChooserButton
+ */
+
+GtkWidget *
+gcr_object_chooser_button_new (GtkWindow *parent_window)
+{
+       GtkWidget *self;
+       GcrObjectChooserButtonPrivate *priv;
+
+       self = GTK_WIDGET (g_object_new (GCR_TYPE_OBJECT_CHOOSER_BUTTON, NULL));
+
+       priv = GCR_OBJECT_CHOOSER_BUTTON (self)->priv;
+       priv->dialog = gcr_object_chooser_dialog_new (_("Choose a certificate"),
+                                                     parent_window,
+                                                     GTK_DIALOG_USE_HEADER_BAR,
+                                                     _("_Cancel"), GTK_RESPONSE_CANCEL,
+                                                     _("_Select"), GTK_RESPONSE_ACCEPT,
+                                                     NULL);
+
+       return self;
+}
diff --git a/ui/gcr-object-chooser-button.h b/ui/gcr-object-chooser-button.h
new file mode 100644
index 0000000..5f09979
--- /dev/null
+++ b/ui/gcr-object-chooser-button.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2016 Lubomir Rintel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GCR_OBJECT_CHOOSER_BUTTON_H__
+#define __GCR_OBJECT_CHOOSER_BUTTON_H__
+
+#include <gtk/gtk.h>
+
+#include "gcr-object-chooser.h"
+
+typedef struct _GcrObjectChooserButtonPrivate GcrObjectChooserButtonPrivate;
+
+struct _GcrObjectChooserButton
+{
+        GtkButton parent_instance;
+        GcrObjectChooserButtonPrivate *priv;
+};
+
+#define GCR_TYPE_OBJECT_CHOOSER_BUTTON gcr_object_chooser_button_get_type ()
+G_DECLARE_FINAL_TYPE (GcrObjectChooserButton, gcr_object_chooser_button, GCR, OBJECT_CHOOSER_BUTTON, 
GtkButton)
+
+GtkWidget *gcr_object_chooser_button_new (GtkWindow *parent_window);
+
+#endif /* __GCR_OBJECT_CHOOSER_BUTTON_H__ */
diff --git a/ui/gcr-object-chooser-button.ui b/ui/gcr-object-chooser-button.ui
new file mode 100644
index 0000000..e99b1b4
--- /dev/null
+++ b/ui/gcr-object-chooser-button.ui
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.0 -->
+<interface domain="gtk30">
+  <requires lib="gtk+" version="3.10"/>
+  <template class="GcrObjectChooserButton" parent="GtkButton">
+    <property name="can_focus">False</property>
+    <property name="receives_default">False</property>
+    <signal name="clicked" handler="clicked" swapped="no"/>
+    <child>
+      <object class="GtkBox" id="box2">
+        <property name="can_focus">False</property>
+        <property name="spacing">4</property>
+        <child>
+          <object class="GtkLabel" id="label">
+            <property name="can_focus">False</property>
+            <property name="halign">start</property>
+            <property name="valign">baseline</property>
+            <property name="label" translatable="yes">(None)</property>
+            <property name="ellipsize">end</property>
+            <property name="xalign">0</property>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkSeparator" id="separator1">
+            <property name="can_focus">False</property>
+            <property name="orientation">vertical</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkImage" id="open_file_icon">
+            <property name="can_focus">False</property>
+            <property name="valign">baseline</property>
+            <property name="icon_name">document-open-symbolic</property>
+            <property name="icon_size">1</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">3</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <style>
+      <class name="file"/>
+    </style>
+  </template>
+</interface>
diff --git a/ui/gcr-ui.symbols b/ui/gcr-ui.symbols
index afd2262..1a6589f 100644
--- a/ui/gcr-ui.symbols
+++ b/ui/gcr-ui.symbols
@@ -62,6 +62,8 @@ gcr_list_selector_get_selected
 gcr_list_selector_get_type
 gcr_list_selector_new
 gcr_list_selector_set_selected
+gcr_object_chooser_button_get_type
+gcr_object_chooser_button_new
 gcr_object_chooser_dialog_get_type
 gcr_object_chooser_dialog_new
 gcr_object_chooser_get_type
diff --git a/ui/gcr.gresource.xml b/ui/gcr.gresource.xml
index 55841cc..fb5aea3 100644
--- a/ui/gcr.gresource.xml
+++ b/ui/gcr.gresource.xml
@@ -7,5 +7,6 @@
                <file preprocess="xml-stripblanks">gcr-object-chooser-widget.ui</file>
                <file preprocess="xml-stripblanks">gcr-token-login-dialog.ui</file>
                <file preprocess="xml-stripblanks">gcr-tokens-sidebar-row.ui</file>
+               <file preprocess="xml-stripblanks">gcr-object-chooser-button.ui</file>
        </gresource>
 </gresources>
-- 
2.9.3