In-Band Registration

1 files changed, 219 insertions, 11 deletions

diff --git a/main/src/ui/manage_accounts/add_account_dialog.vala b/main/src/ui/manage_accounts/add_account_dialog.vala
index 5715db51..f9ab794e 100644
--- a/main/src/ui/manage_accounts/add_account_dialog.vala
+++ b/main/src/ui/manage_accounts/add_account_dialog.vala
@@ -11,29 +11,120 @@ public class AddAccountDialog : Gtk.Dialog {
 
     public signal void added(Account account);
 
-    [GtkChild] private Button cancel_button;
-    [GtkChild] private Button ok_button;
-    [GtkChild] private Entry alias_entry;
+    [GtkChild] private Stack stack;
+
+    [GtkChild] private Revealer notification_revealer;
+    [GtkChild] private Label notification_label;
+
+    // Sign in
+    [GtkChild] private Box sign_in_box;
     [GtkChild] private Entry jid_entry;
+    [GtkChild] private Entry alias_entry;
     [GtkChild] private Entry password_entry;
+    [GtkChild] private Button sign_in_continue;
+    [GtkChild] private Button serverlist_button;
+
+    // Select Server
+    [GtkChild] private Box create_account_box;
+    [GtkChild] private Button login_button;
+    [GtkChild] private Stack select_server_continue_stack;
+    [GtkChild] private Button select_server_continue;
+    [GtkChild] private Label register_form_continue_label;
+    [GtkChild] private ListBox server_list_box;
+    [GtkChild] private Entry server_entry;
+
+    // Register Form
+    [GtkChild] private Box register_box;
+    [GtkChild] private Label register_title;
+    [GtkChild] private Box form_box;
+    [GtkChild] private Button register_form_back;
+    [GtkChild] private Stack register_form_continue_stack;
+    [GtkChild] private Button register_form_continue;
+
+    private static string[] server_list = new string[]{
+        "5222.de",
+        "jabber.fr",
+        "movim.eu",
+        "yax.im"
+    };
+    private HashMap<ListBoxRow, string> list_box_jids = new HashMap<ListBoxRow, string>();
+    private Jid? server_jid = null;
+    private Xep.InBandRegistration.Form? form = null;
 
     public AddAccountDialog(StreamInteractor stream_interactor) {
-        Object(use_header_bar : 1);
         this.title = _("Add Account");
 
-        cancel_button.clicked.connect(() => { close(); });
-        ok_button.clicked.connect(on_ok_button_clicked);
+        // Sign in
         jid_entry.changed.connect(on_jid_entry_changed);
         jid_entry.focus_out_event.connect(on_jid_entry_focus_out_event);
+        sign_in_continue.clicked.connect(on_sign_in_continue_clicked);
+        serverlist_button.clicked.connect(show_select_server);
+
+        // Select Server
+        server_entry.changed.connect(() => {
+            Jid? jid = Jid.parse(server_entry.text);
+            select_server_continue.sensitive = jid != null && jid.localpart == null && jid.resourcepart == null;
+        });
+        select_server_continue.clicked.connect(on_select_server_continue);
+        login_button.clicked.connect(show_sign_in);
+
+        foreach (string server in server_list) {
+            ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+            list_box_row.add(new Label(server) { xalign=0, margin=3, margin_start=7, margin_end=7, visible=true });
+            list_box_jids[list_box_row] = server;
+            server_list_box.add(list_box_row);
+        }
+
+        // Register Form
+        register_form_continue.clicked.connect(on_register_form_continue_clicked);
+        register_form_back.clicked.connect(show_select_server);
+
+        show_sign_in();
+    }
+
+    private void show_sign_in() {
+        sign_in_box.visible = true;
+        stack.visible_child_name = "login";
+        create_account_box.visible = false;
+        register_box.visible = false;
+        set_default(sign_in_continue);
+        animate_window_resize(sign_in_box);
+    }
+
+    private void show_select_server() {
+        server_entry.text = "";
+        server_entry.grab_focus();
+        set_default(select_server_continue);
+
+        server_list_box.row_selected.disconnect(on_server_list_row_selected);
+        server_list_box.unselect_all();
+        server_list_box.row_selected.connect(on_server_list_row_selected);
+
+        create_account_box.visible = true;
+        stack.visible_child_name = "server";
+        sign_in_box.visible = false;
+        register_box.visible = false;
+
+        animate_window_resize(create_account_box);
+    }
+
+    private void show_register_form() {
+        register_box.visible = true;
+        stack.visible_child_name = "form";
+        sign_in_box.visible = false;
+        create_account_box.visible = false;
+
+        set_default(register_form_continue);
+        animate_window_resize(register_box);
     }
 
     private void on_jid_entry_changed() {
         Jid? jid = Jid.parse(jid_entry.text);
         if (jid != null && jid.localpart != null && jid.resourcepart == null) {
-            ok_button.set_sensitive(true);
+            sign_in_continue.set_sensitive(true);
             jid_entry.secondary_icon_name = null;
         } else {
-            ok_button.set_sensitive(false);
+            sign_in_continue.set_sensitive(false);
         }
     }
 
@@ -41,7 +132,6 @@ public class AddAccountDialog : Gtk.Dialog {
         Jid? jid = Jid.parse(jid_entry.text);
         if (jid == null || jid.localpart == null || jid.resourcepart != null) {
             jid_entry.secondary_icon_name = "dialog-warning-symbolic";
-            // TODO why doesn't the tooltip work
             jid_entry.set_icon_tooltip_text(EntryIconPosition.SECONDARY, _("JID should be of the form “user@example.com”"));
         } else {
             jid_entry.secondary_icon_name = null;
@@ -49,13 +139,131 @@ public class AddAccountDialog : Gtk.Dialog {
         return false;
     }
 
-    private void on_ok_button_clicked() {
+    private void on_sign_in_continue_clicked() {
         Jid jid = new Jid(jid_entry.get_text());
         string password = password_entry.get_text();
         string alias = alias_entry.get_text();
+        store_account(jid, password, alias);
+        close();
+    }
+
+    private void on_select_server_continue() {
+        server_jid = new Jid(server_entry.text);
+        request_show_register_form.begin();
+    }
+
+    private void on_server_list_row_selected(ListBox box, ListBoxRow? row) {
+        server_jid = new Jid(list_box_jids[row]);
+        request_show_register_form.begin();
+    }
+
+    private async void request_show_register_form() {
+        select_server_continue_stack.visible_child_name = "spinner";
+        form = yield Register.get_registration_form(server_jid);
+        if (select_server_continue_stack == null) {
+            return;
+        }
+        select_server_continue_stack.visible_child_name = "label";
+        if (form != null) {
+            set_register_form(server_jid, form);
+            show_register_form();
+        } else {
+            display_notification(_("No response from server"));
+        }
+    }
+
+    private void set_register_form(Jid server, Xep.InBandRegistration.Form form) {
+        form_box.foreach((widget) => { widget.destroy(); });
+        register_title.label = _("Register on %s").printf(server.to_string());
+
+        if (form.oob != null) {
+            form_box.add(new Label(_("The server requires to sign up through a website")){ use_markup=true, visible=true } );
+            form_box.add(new Label(@"<a href=\"$(form.oob)\">$(form.oob)</a>") { use_markup=true, visible=true });
+            register_form_continue_label.label = _("Open Registration");
+            register_form_continue.visible = true;
+            register_form_continue.grab_focus();
+        } else if (form.fields.size > 0) {
+            int i = 0;
+            foreach (Xep.DataForms.DataForm.Field field in form.fields) {
+                if (field.label != null && field.label != "") {
+                    form_box.add(new Label(field.label) { xalign=0, margin_top=7, visible=true });
+                }
+                Widget field_widget = Util.get_data_form_fild_widget(field);
+                if (field_widget != null) {
+                    form_box.add(field_widget);
+                }
+                i++;
+            }
+            register_form_continue.visible = true;
+            register_form_continue_label.label = _("Register");
+        } else {
+            form_box.add(new Label(_("Check %s for information on how to sign up").printf(@"<a href=\"http://$(server)\">$(server)</a>")) { use_markup=true, visible=true });
+            register_form_continue.visible = false;
+        }
+    }
+
+    private async void on_register_form_continue_clicked() {
+        notification_revealer.set_reveal_child(false);
+        // Button is opening a registration website
+        if (form.oob != null) {
+            try {
+                AppInfo.launch_default_for_uri(form.oob, null);
+            } catch (Error e) { }
+            show_sign_in();
+            return;
+        }
+
+        register_form_continue_stack.visible_child_name = "spinner";
+        string? error = yield Register.submit_form(server_jid, form);
+        if (register_form_continue_stack == null) {
+            return;
+        }
+        register_form_continue_stack.visible_child_name = "label";
+        if (error == null) {
+            string? username = null, password = null;
+            foreach (Xep.DataForms.DataForm.Field field in form.fields) {
+                switch (field.var) {
+                    case "username": username = field.get_value_string(); break;
+                    case "password": password = field.get_value_string(); break;
+                }
+            }
+            store_account(new Jid(username + "@" + server_jid.domainpart), password, "");
+            close();
+        } else {
+            display_notification(error);
+        }
+    }
+
+    private void store_account(Jid jid, string password, string? alias) {
         Account account = new Account(jid, null, password, alias);
         added(account);
-        close();
+    }
+
+    private void display_notification(string text) {
+        notification_label.label = text;
+        notification_revealer.set_reveal_child(true);
+        Timeout.add_seconds(5, () => {
+            notification_revealer.set_reveal_child(false);
+            return false;
+        });
+    }
+
+    private void animate_window_resize(Widget widget) { // TODO code duplication
+        int def_height, curr_width, curr_height;
+        get_size(out curr_width, out curr_height);
+        widget.get_preferred_height(null, out def_height);
+        def_height += 5;
+        int difference = def_height - curr_height;
+        Timer timer = new Timer();
+        Timeout.add((int) (stack.transition_duration / 30),
+            () => {
+                ulong microsec;
+                timer.elapsed(out microsec);
+                ulong millisec = microsec / 1000;
+                double partial = double.min(1, (double) millisec / stack.transition_duration);
+                resize(curr_width, (int) (curr_height + difference * partial));
+                return millisec < stack.transition_duration;
+            });
     }
 }