[geary/wip/135-contact-popovers: 17/26] Implement save contacts and open desktop contacts in Contacts

[Michael Gratton <mjog src gnome org>]

commit 41d061c8ff3f1199e879e98a82ec4cd1596554a7
Author: Michael Gratton <mike vee net>
Date:   Sun Mar 17 02:02:20 2019 +1100

    Implement save contacts and open desktop contacts in Contacts

 src/client/application/application-contact.vala    | 51 ++++++++++++++++++++++
 .../conversation-contact-popover.vala              | 22 +++++++++-
 2 files changed, 71 insertions(+), 2 deletions(-)
---
diff --git a/src/client/application/application-contact.vala b/src/client/application/application-contact.vala
index d504f42b..67c8d661 100644
--- a/src/client/application/application-contact.vala
+++ b/src/client/application/application-contact.vala
@@ -93,6 +93,57 @@ public class Application.Contact : Geary.BaseObject {
         update_individual(null);
     }
 
+    /** Invokes the desktop contacts application to save this contact. */
+    public async void save_to_desktop(GLib.Cancellable? cancellable)
+        throws GLib.Error {
+        GLib.DBusConnection dbus = yield GLib.Bus.get(
+            GLib.BusType.SESSION, cancellable
+        );
+        GLib.DBusActionGroup contacts = DBusActionGroup.get(
+            dbus, "org.gnome.Contacts", "/org/gnome/Contacts"
+        );
+
+        GLib.Variant param = new GLib.Variant.array(
+            new GLib.VariantType("(ss)"),
+            new GLib.Variant[] {
+                new GLib.Variant.tuple(
+                    new GLib.Variant[] {
+                        Folks.PersonaStore.detail_key(
+                            Folks.PersonaDetail.FULL_NAME
+                        ),
+                        this.display_name ?? ""
+                    }
+                ),
+                new GLib.Variant.tuple(
+                    new GLib.Variant[] {
+                        Folks.PersonaStore.detail_key(
+                            Folks.PersonaDetail.EMAIL_ADDRESSES
+                        ),
+                        this.contact.email
+                    }
+                )
+            }
+        );
+
+        contacts.activate_action("create-contact", param);
+    }
+
+    /** Invokes the desktop contacts application to open this contact. */
+    public async void open_on_desktop(GLib.Cancellable? cancellable)
+        throws GLib.Error {
+        GLib.DBusConnection dbus = yield GLib.Bus.get(
+            GLib.BusType.SESSION, cancellable
+        );
+        GLib.DBusActionGroup contacts = DBusActionGroup.get(
+            dbus, "org.gnome.Contacts", "/org/gnome/Contacts"
+        );
+
+        contacts.activate_action(
+            "show-contact",
+            new GLib.Variant.string(this.individual.id)
+        );
+    }
+
     /** Sets remote resource loading for this contact. */
     public async void set_remote_resource_loading(bool enabled,
                                                   GLib.Cancellable? cancellable)
diff --git a/src/client/conversation-viewer/conversation-contact-popover.vala 
b/src/client/conversation-viewer/conversation-contact-popover.vala
index 75386fa3..38c5615b 100644
--- a/src/client/conversation-viewer/conversation-contact-popover.vala
+++ b/src/client/conversation-viewer/conversation-contact-popover.vala
@@ -156,6 +156,24 @@ public class Conversation.ContactPopover : Gtk.Popover {
         );
     }
 
+    private async void open() {
+        try {
+            yield this.contact.open_on_desktop(null);
+        } catch (GLib.Error err) {
+            debug("Failed to open desktop app for showing contact %s:, %s",
+                  this.contact.to_string(), err.message);
+        }
+    }
+
+    private async void save() {
+        try {
+            yield this.contact.save_to_desktop(null);
+        } catch (GLib.Error err) {
+            debug("Failed to open desktop app for saving contact %s:, %s",
+                  this.contact.to_string(), err.message);
+        }
+    }
+
     private async void set_load_remote_resources(bool enabled) {
         try {
             yield this.contact.set_remote_resource_loading(enabled, null);
@@ -197,11 +215,11 @@ public class Conversation.ContactPopover : Gtk.Popover {
     }
 
     private void on_open() {
-
+        this.open.begin();
     }
 
     private void on_save() {
-
+        this.save.begin();
     }
 
     private void on_show_conversations() {