[gnome-software/wip/rancell/paid] Show purchase confirmation dialog

[Robert Ancell <rancell src gnome org>]

commit 2101825b9a9a84fe93b037e9fb8ae86ba25ea4ad
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri May 6 16:34:44 2016 +1200

    Show purchase confirmation dialog

 src/gs-page.c |   77 ++++++++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 60 insertions(+), 17 deletions(-)
---
diff --git a/src/gs-page.c b/src/gs-page.c
index 1051051..a6af722 100644
--- a/src/gs-page.c
+++ b/src/gs-page.c
@@ -28,6 +28,7 @@
 #include "gs-page.h"
 #include "gs-shell.h"
 #include "gs-utils.h"
+#include "gs-price.h"
 
 typedef struct
 {
@@ -58,9 +59,9 @@ gs_page_helper_free (GsPageHelper *helper)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GsPageHelper, gs_page_helper_free);
 
 static void
-gs_page_app_bought_cb (GObject *source,
-                       GAsyncResult *res,
-                       gpointer user_data)
+gs_page_app_purchased_cb (GObject *source,
+                          GAsyncResult *res,
+                          gpointer user_data)
 {
        g_autoptr(GsPageHelper) helper = (GsPageHelper *) user_data;
        GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (source);
@@ -215,29 +216,71 @@ gs_page_set_header_end_widget (GsPage *page, GtkWidget *widget)
        g_set_object (&priv->header_end_widget, widget);
 }
 
+static void
+gs_page_purchase_app_response_cb (GtkDialog *dialog,
+                                 gint response,
+                                 GsPageHelper *helper)
+{
+       GsPagePrivate *priv = gs_page_get_instance_private (helper->page);
+
+       /* not agreed */
+       if (response != GTK_RESPONSE_OK) {
+               gs_page_helper_free (helper);
+               return;
+       }
+       g_debug ("purchase %s", gs_app_get_id (helper->app));
+       gs_plugin_loader_app_action_async (priv->plugin_loader,
+                                          helper->app,
+                                          GS_PLUGIN_LOADER_ACTION_PURCHASE,
+                                          priv->cancellable,
+                                          gs_page_app_purchased_cb,
+                                          helper);
+}
+
 void
 gs_page_purchase_app (GsPage *page, GsApp *app)
 {
        GsPagePrivate *priv = gs_page_get_instance_private (page);
        GsPageHelper *helper;
-       GtkResponseType response;
-
-       /* probably non-free */
-       if (gs_app_get_state (app) == AS_APP_STATE_UNAVAILABLE) {
-               response = gs_app_notify_unavailable (app, gs_shell_get_window (priv->shell));
-               if (response != GTK_RESPONSE_OK)
-                       return;
-       }
+       GtkWidget *dialog;
+       GPtrArray *prices;
+       g_autofree gchar *price_text = NULL, *escaped = NULL;
 
        helper = g_slice_new0 (GsPageHelper);
        helper->app = g_object_ref (app);
        helper->page = g_object_ref (page);
-       gs_plugin_loader_app_action_async (priv->plugin_loader,
-                                          app,
-                                          GS_PLUGIN_LOADER_ACTION_PURCHASE,
-                                          priv->cancellable,
-                                          gs_page_app_bought_cb,
-                                          helper);
+
+       /* ask for confirmation */
+       dialog = gtk_message_dialog_new (gs_shell_get_window (priv->shell),
+                                        GTK_DIALOG_MODAL,
+                                        GTK_MESSAGE_QUESTION,
+                                        GTK_BUTTONS_CANCEL,
+                                        /* TRANSLATORS: this is a prompt message, and
+                                         * '%s' is an application summary, e.g. 'GNOME Clocks' */
+                                        _("Are you sure you want to purchase %s?"),
+                                        gs_app_get_name (app));
+       prices = gs_app_get_prices (app);
+       if (prices->len > 0) {
+               GsPrice *price = g_ptr_array_index (prices, 0); // FIXME: Give option of price to choose
+               g_autofree gchar *text = NULL;
+               price_text = gs_price_to_string (price);
+       } else {
+               price_text = g_strdup ("nothing"); // FIXME
+       }
+       escaped = g_markup_escape_text (gs_app_get_name (app), -1);
+       gtk_message_dialog_format_secondary_markup (GTK_MESSAGE_DIALOG (dialog),
+                                                   /* TRANSLATORS: longer dialog text */
+                                                    _("You will be charged %s and %s will be installed."),
+                                                    price_text,
+                                                    escaped);
+
+       /* TRANSLATORS: this is button text to purchase the application */
+       gtk_dialog_add_button (GTK_DIALOG (dialog), _("Purchase"), GTK_RESPONSE_OK);
+
+       /* handle this async */
+       g_signal_connect (dialog, "response",
+                         G_CALLBACK (gs_page_purchase_app_response_cb), helper);
+       gs_shell_modal_dialog_present (priv->shell, GTK_DIALOG (dialog));
 }
 
 void