diff options
Diffstat (limited to 'panels/user-accounts/cc-fingerprint-dialog.c')
| -rw-r--r-- | panels/user-accounts/cc-fingerprint-dialog.c | 1454 |
1 files changed, 1454 insertions, 0 deletions
diff --git a/panels/user-accounts/cc-fingerprint-dialog.c b/panels/user-accounts/cc-fingerprint-dialog.c new file mode 100644 index 0000000..b7894c0 --- /dev/null +++ b/panels/user-accounts/cc-fingerprint-dialog.c @@ -0,0 +1,1454 @@ +/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- + * + * Copyright (C) 2020 Canonical Ltd. + * + * This program 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 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: GPL-3.0-or-later + * + * Authors: Marco Trevisan <marco.trevisan@canonical.com> + */ + +#include <glib/gi18n.h> +#include <cairo/cairo.h> + +#include "cc-fingerprint-dialog.h" + +#include "cc-fingerprint-manager.h" +#include "cc-fprintd-generated.h" +#include "cc-list-row.h" + +#include "config.h" + +/* Translate fprintd strings */ +#define TR(s) dgettext ("fprintd", s) +#include "fingerprint-strings.h" + +struct _CcFingerprintDialog +{ + GtkWindow parent_instance; + + GtkButton *back_button; + GtkButton *cancel_button; + GtkButton *delete_prints_button; + GtkButton *done_button; + GtkContainer *add_print_popover_box; + GtkEntry *enroll_print_entry; + GtkFlowBox *prints_gallery; + GtkHeaderBar *titlebar; + GtkImage *enroll_result_image; + GtkLabel *enroll_message; + GtkLabel *enroll_result_message; + GtkLabel *infobar_error; + GtkLabel *title; + GtkListBox *devices_list; + GtkPopoverMenu *add_print_popover; + GtkPopoverMenu *print_popover; + GtkSpinner *spinner; + GtkStack *stack; + GtkWidget *add_print_icon; + GtkWidget *delete_confirmation_infobar; + GtkWidget *device_selector; + GtkWidget *enroll_print_bin; + GtkWidget *enroll_result_icon; + GtkWidget *enrollment_view; + GtkWidget *error_infobar; + GtkWidget *no_devices_found; + GtkWidget *prints_manager; + + CcFingerprintManager *manager; + CcFprintdDevice *device; + gboolean claiming; + gboolean device_claimed; + gulong device_signal_id; + gulong device_name_owner_id; + GCancellable *cancellable; + GStrv enrolled_fingers; + const char *enrolling_finger; + guint enroll_stages_passed; + guint enroll_stage_passed_id; + gdouble enroll_progress; +}; + +/* TODO - fprintd and API changes required: + - Identify the finger when the enroll dialog is visible + + Only if device supports identification + ยท And only in such case support enrolling more than one finger + - Delete a single fingerprint | and remove the "Delete all" button + - Highlight the finger when the sensor is touched during enrollment + - Add customized labels to fingerprints + - Devices hotplug (object manager) + */ + +G_DEFINE_TYPE (CcFingerprintDialog, cc_fingerprint_dialog, GTK_TYPE_WINDOW) + +enum { + PROP_0, + PROP_MANAGER, + N_PROPS +}; + +#define N_VALID_FINGERS G_N_ELEMENTS (FINGER_IDS) - 1 +/* The order of the fingers here will affect the UI order */ +const char * FINGER_IDS[] = { + "right-index-finger", + "left-index-finger", + "right-thumb", + "right-middle-finger", + "right-ring-finger", + "right-little-finger", + "left-thumb", + "left-middle-finger", + "left-ring-finger", + "left-little-finger", + "any", +}; + +typedef enum { + ENROLL_STATE_NORMAL, + ENROLL_STATE_RETRY, + ENROLL_STATE_SUCCESS, + ENROLL_STATE_WARNING, + ENROLL_STATE_ERROR, + ENROLL_STATE_COMPLETED, + N_ENROLL_STATES, +} EnrollState; + +const char * ENROLL_STATE_CLASSES[N_ENROLL_STATES] = { + "", + "retry", + "success", + "warning", + "error", + "completed", +}; + +static GParamSpec *properties[N_PROPS]; + +CcFingerprintDialog * +cc_fingerprint_dialog_new (CcFingerprintManager *manager) +{ + return g_object_new (CC_TYPE_FINGERPRINT_DIALOG, + "fingerprint-manager", manager, + NULL); +} + +static void +disconnect_device_signals (CcFingerprintDialog *self) +{ + if (!self->device) + return; + + if (self->device_signal_id) + { + g_signal_handler_disconnect (self->device, self->device_signal_id); + self->device_signal_id = 0; + } + + if (self->device_name_owner_id) + { + g_signal_handler_disconnect (self->device, self->device_name_owner_id); + self->device_name_owner_id = 0; + } +} + +static void +cc_fingerprint_dialog_dispose (GObject *object) +{ + CcFingerprintDialog *self = CC_FINGERPRINT_DIALOG (object); + + g_clear_handle_id (&self->enroll_stage_passed_id, g_source_remove); + + if (self->device && self->device_claimed) + { + disconnect_device_signals (self); + + if (self->enrolling_finger) + cc_fprintd_device_call_enroll_stop_sync (self->device, NULL, NULL); + cc_fprintd_device_call_release (self->device, NULL, NULL, NULL); + } + + g_clear_object (&self->manager); + g_clear_object (&self->device); + g_clear_pointer (&self->enrolled_fingers, g_strfreev); + + g_cancellable_cancel (self->cancellable); + g_clear_object (&self->cancellable); + + G_OBJECT_CLASS (cc_fingerprint_dialog_parent_class)->dispose (object); +} + +static void +cc_fingerprint_dialog_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + CcFingerprintDialog *self = CC_FINGERPRINT_DIALOG (object); + + switch (prop_id) + { + case PROP_MANAGER: + g_value_set_object (value, self->manager); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +cc_fingerprint_dialog_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + CcFingerprintDialog *self = CC_FINGERPRINT_DIALOG (object); + + switch (prop_id) + { + case PROP_MANAGER: + g_set_object (&self->manager, g_value_get_object (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +notify_error (CcFingerprintDialog *self, + const char *error_message) +{ + if (error_message) + gtk_label_set_label (self->infobar_error, error_message); + + gtk_widget_set_visible (self->error_infobar, error_message != NULL); +} + +static gboolean +fingerprint_icon_draw (GtkWidget *widget, + cairo_t *cr, + gdouble *progress_data) +{ + gdouble progress = 0.0f; + + if (progress_data) + progress = *progress_data; + + if (G_APPROX_VALUE (progress, 0.f, FLT_EPSILON) || progress > 1) + return FALSE; + + GTK_WIDGET_GET_CLASS (widget)->draw (widget, cr); + + if (progress > 0) + { + g_autoptr(GdkRGBA) outline_color = NULL; + GtkStyleContext *context; + GtkStateFlags state; + int outline_width; + int outline_offset; + int width; + int height; + int radius; + int delta; + + context = gtk_widget_get_style_context (widget); + gtk_style_context_save (context); + + state = gtk_style_context_get_state (context); + + gtk_style_context_add_class (context, "progress"); + gtk_style_context_get (context, state, + "outline-width", &outline_width, + "outline-offset", &outline_offset, + "outline-color", &outline_color, + NULL); + + width = gtk_widget_get_allocated_width (widget); + height = gtk_widget_get_allocated_height (widget); + radius = MIN (width / 2, height / 2) + outline_offset; + delta = radius - outline_width / 2; + + cairo_arc (cr, width / 2., height / 2., delta, + 1.5 * G_PI, (1.5 + progress * 2) * G_PI); + gdk_cairo_set_source_rgba (cr, outline_color); + + cairo_set_line_width (cr, MIN (outline_width, radius)); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT); + cairo_stroke (cr); + + gtk_style_context_restore (context); + } + + return TRUE; +} + +static GtkWidget * +fingerprint_icon_new (const char *icon_name, + const char *label_text, + GType icon_widget_type, + gpointer progress_data, + GtkWidget **out_icon, + GtkWidget **out_label) +{ + GtkStyleContext *context; + GtkWidget *box; + GtkWidget *label; + GtkWidget *image; + GtkWidget *icon_widget; + + g_return_val_if_fail (g_type_is_a (icon_widget_type, GTK_TYPE_WIDGET), NULL); + + box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10); + gtk_widget_set_name (box, "fingerprint-box"); + gtk_widget_set_hexpand (box, TRUE); + + image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_DND); + + if (icon_widget_type == GTK_TYPE_IMAGE) + icon_widget = image; + else + icon_widget = g_object_new (icon_widget_type, NULL); + + if (progress_data) + g_signal_connect (image, "draw", G_CALLBACK (fingerprint_icon_draw), + progress_data); + + if (g_type_is_a (icon_widget_type, GTK_TYPE_BUTTON)) + { + gtk_button_set_image (GTK_BUTTON (icon_widget), image); + gtk_button_set_relief (GTK_BUTTON (icon_widget), GTK_RELIEF_NONE); + gtk_widget_set_can_focus (icon_widget, FALSE); + } + + gtk_widget_set_halign (icon_widget, GTK_ALIGN_CENTER); + gtk_widget_set_valign (icon_widget, GTK_ALIGN_CENTER); + gtk_widget_set_name (icon_widget, "fingerprint-image"); + + gtk_container_add (GTK_CONTAINER (box), icon_widget); + + context = gtk_widget_get_style_context (icon_widget); + gtk_style_context_add_class (context, "fingerprint-image"); + + label = gtk_label_new_with_mnemonic (label_text); + gtk_container_add (GTK_CONTAINER (box), label); + + context = gtk_widget_get_style_context (box); + gtk_style_context_add_class (context, "fingerprint-icon"); + + if (out_icon) + *out_icon = icon_widget; + + if (out_label) + *out_label = label; + + return box; +} + +static GtkWidget * +fingerprint_menu_button (const char *icon_name, + const char *label_text) +{ + GtkWidget *flowbox_child; + GtkWidget *button; + GtkWidget *label; + GtkWidget *box; + + box = fingerprint_icon_new (icon_name, label_text, GTK_TYPE_MENU_BUTTON, NULL, + &button, &label); + + flowbox_child = gtk_flow_box_child_new (); + gtk_widget_set_focus_on_click (flowbox_child, FALSE); + gtk_widget_set_name (flowbox_child, "fingerprint-flowbox"); + + gtk_container_add (GTK_CONTAINER (flowbox_child), box); + + g_object_set_data (G_OBJECT (flowbox_child), "button", button); + g_object_set_data (G_OBJECT (flowbox_child), "icon", + gtk_button_get_image (GTK_BUTTON (button))); + g_object_set_data (G_OBJECT (flowbox_child), "label", label); + g_object_set_data (G_OBJECT (button), "flowbox-child", flowbox_child); + + return flowbox_child; +} + +static gboolean +prints_visibility_filter (GtkFlowBoxChild *child, + gpointer user_data) +{ + CcFingerprintDialog *self = user_data; + const char *finger_id; + + if (gtk_stack_get_visible_child (self->stack) != self->prints_manager) + return FALSE; + + finger_id = g_object_get_data (G_OBJECT (child), "finger-id"); + + if (!finger_id) + return TRUE; + + if (!self->enrolled_fingers) + return FALSE; + + return g_strv_contains ((const gchar **) self->enrolled_fingers, finger_id); +} + +static void +update_prints_to_add_visibility (CcFingerprintDialog *self) +{ + g_autoptr(GList) print_buttons = NULL; + GList *l; + guint i; + + print_buttons = gtk_container_get_children (self->add_print_popover_box); + + for (i = 0, l = print_buttons; i < N_VALID_FINGERS && l; ++i, l = l->next) + { + GtkWidget *button = l->data; + gboolean enrolled; + + enrolled = self->enrolled_fingers && + g_strv_contains ((const gchar **) self->enrolled_fingers, + FINGER_IDS[i]); + + gtk_widget_set_visible (button, !enrolled); + } +} + +static void +update_prints_visibility (CcFingerprintDialog *self) +{ + update_prints_to_add_visibility (self); + + gtk_flow_box_invalidate_filter (self->prints_gallery); +} + +static void +list_enrolled_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_auto(GStrv) enrolled_fingers = NULL; + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + guint n_enrolled_fingers = 0; + + cc_fprintd_device_call_list_enrolled_fingers_finish (fprintd_device, + &enrolled_fingers, + res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + gtk_spinner_stop (self->spinner); + gtk_widget_set_sensitive (GTK_WIDGET (self->add_print_icon), TRUE); + + if (self->device_claimed) + gtk_widget_set_sensitive (GTK_WIDGET (self->prints_manager), TRUE); + + if (error) + { + g_autofree char *dbus_error = g_dbus_error_get_remote_error (error); + + if (!dbus_error || !g_str_has_suffix (dbus_error, ".Error.NoEnrolledPrints")) + { + g_autofree char *error_message = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to list fingerprints: %s"), + error->message); + g_warning ("Listing of fingerprints on device %s failed: %s", + cc_fprintd_device_get_name (self->device), error->message); + notify_error (self, error_message); + return; + } + } + else + { + n_enrolled_fingers = g_strv_length (enrolled_fingers); + } + + self->enrolled_fingers = g_steal_pointer (&enrolled_fingers); + gtk_flow_box_set_max_children_per_line (self->prints_gallery, + MIN (3, n_enrolled_fingers + 1)); + + update_prints_visibility (self); + + if (n_enrolled_fingers == N_VALID_FINGERS) + gtk_widget_set_sensitive (self->add_print_icon, FALSE); + + if (n_enrolled_fingers > 0) + gtk_widget_show (GTK_WIDGET (self->delete_prints_button)); +} + +static void +update_prints_store (CcFingerprintDialog *self) +{ + ActUser *user; + + g_assert_true (CC_FPRINTD_IS_DEVICE (self->device)); + + gtk_spinner_start (self->spinner); + gtk_widget_set_sensitive (GTK_WIDGET (self->add_print_icon), FALSE); + gtk_widget_hide (GTK_WIDGET (self->delete_prints_button)); + + g_clear_pointer (&self->enrolled_fingers, g_strfreev); + + user = cc_fingerprint_manager_get_user (self->manager); + cc_fprintd_device_call_list_enrolled_fingers (self->device, + act_user_get_user_name (user), + self->cancellable, + list_enrolled_cb, + self); +} + +static void +delete_prints_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + + cc_fprintd_device_call_delete_enrolled_fingers2_finish (fprintd_device, res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + if (error) + { + g_autofree char *error_message = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to delete saved fingerprints: %s"), + error->message); + g_warning ("Deletion of fingerprints on device %s failed: %s", + cc_fprintd_device_get_name (self->device), error->message); + notify_error (self, error_message); + } + + update_prints_store (self); + cc_fingerprint_manager_update_state (self->manager, NULL, NULL); +} + +static void +delete_enrolled_prints (CcFingerprintDialog *self) +{ + g_return_if_fail (self->device_claimed); + + gtk_widget_set_sensitive (GTK_WIDGET (self->prints_manager), FALSE); + gtk_spinner_start (self->spinner); + + cc_fprintd_device_call_delete_enrolled_fingers2 (self->device, + self->cancellable, + delete_prints_cb, + self); +} + +static const char * +get_finger_name (const char *finger_id) +{ + if (g_str_equal (finger_id, "left-thumb")) + return _("Left thumb"); + if (g_str_equal (finger_id, "left-middle-finger")) + return _("Left middle finger"); + if (g_str_equal (finger_id, "left-index-finger")) + return _("_Left index finger"); + if (g_str_equal (finger_id, "left-ring-finger")) + return _("Left ring finger"); + if (g_str_equal (finger_id, "left-little-finger")) + return _("Left little finger"); + if (g_str_equal (finger_id, "right-thumb")) + return _("Right thumb"); + if (g_str_equal (finger_id, "right-middle-finger")) + return _("Right middle finger"); + if (g_str_equal (finger_id, "right-index-finger")) + return _("_Right index finger"); + if (g_str_equal (finger_id, "right-ring-finger")) + return _("Right ring finger"); + if (g_str_equal (finger_id, "right-little-finger")) + return _("Right little finger"); + + g_return_val_if_reached (_("Unknown Finger")); +} + +static gboolean +have_multiple_devices (CcFingerprintDialog *self) +{ + g_autoptr(GList) devices_rows = NULL; + + devices_rows = gtk_container_get_children (GTK_CONTAINER (self->devices_list)); + + return devices_rows && devices_rows->next; +} + +static void +set_enroll_result_message (CcFingerprintDialog *self, + EnrollState enroll_state, + const char *message) +{ + GtkStyleContext *style_context; + const char *icon_name; + guint i; + + g_return_if_fail (enroll_state >= 0 && enroll_state < N_ENROLL_STATES); + + style_context = gtk_widget_get_style_context (self->enroll_result_icon); + + switch (enroll_state) + { + case ENROLL_STATE_WARNING: + case ENROLL_STATE_ERROR: + icon_name = "fingerprint-detection-warning-symbolic"; + break; + case ENROLL_STATE_COMPLETED: + icon_name = "fingerprint-detection-complete-symbolic"; + break; + default: + icon_name = "fingerprint-detection-symbolic"; + } + + for (i = 0; i < N_ENROLL_STATES; ++i) + gtk_style_context_remove_class (style_context, ENROLL_STATE_CLASSES[i]); + + gtk_style_context_add_class (style_context, ENROLL_STATE_CLASSES[enroll_state]); + + gtk_image_set_from_icon_name (self->enroll_result_image, icon_name, GTK_ICON_SIZE_DND); + gtk_label_set_label (self->enroll_result_message, message); +} + +static gboolean +stage_passed_timeout_cb (gpointer user_data) +{ + CcFingerprintDialog *self = user_data; + const char *current_message; + + current_message = gtk_label_get_label (self->enroll_result_message); + set_enroll_result_message (self, ENROLL_STATE_NORMAL, current_message); + self->enroll_stage_passed_id = 0; + + return FALSE; +} + +static void +handle_enroll_signal (CcFingerprintDialog *self, + const char *result, + gboolean done) +{ + gboolean completed; + + g_return_if_fail (self->enrolling_finger); + + g_debug ("Device enroll result message: %s, done: %d", result, done); + + completed = g_str_equal (result, "enroll-completed"); + g_clear_handle_id (&self->enroll_stage_passed_id, g_source_remove); + + if (g_str_equal (result, "enroll-stage-passed") || completed) + { + guint enroll_stages; + + enroll_stages = cc_fprintd_device_get_num_enroll_stages (self->device); + + self->enroll_stages_passed++; + + if (enroll_stages > 0) + self->enroll_progress = + MIN (1.0f, self->enroll_stages_passed / (double) enroll_stages); + else + g_warning ("The device %s requires an invalid number of enroll stages (%u)", + cc_fprintd_device_get_name (self->device), enroll_stages); + + g_debug ("Enroll state passed, %u/%u (%.2f%%)", + self->enroll_stages_passed, (guint) enroll_stages, + self->enroll_progress); + + if (!completed) + { + set_enroll_result_message (self, ENROLL_STATE_SUCCESS, NULL); + + self->enroll_stage_passed_id = + g_timeout_add (750, stage_passed_timeout_cb, self); + } + else + { + if (!G_APPROX_VALUE (self->enroll_progress, 1.0f, FLT_EPSILON)) + { + g_warning ("Device marked enroll as completed, but progress is at %.2f", + self->enroll_progress); + self->enroll_progress = 1.0f; + } + } + } + else if (!done) + { + const char *scan_type; + const char *message; + gboolean is_swipe; + + scan_type = cc_fprintd_device_get_scan_type (self->device); + is_swipe = g_str_equal (scan_type, "swipe"); + + message = TR (enroll_result_str_to_msg (result, is_swipe)); + set_enroll_result_message (self, ENROLL_STATE_RETRY, message); + + self->enroll_stage_passed_id = + g_timeout_add (850, stage_passed_timeout_cb, self); + } + + if (done) + { + if (completed) + { + /* TRANSLATORS: This is the message shown when the fingerprint + * enrollment has been completed successfully */ + set_enroll_result_message (self, ENROLL_STATE_COMPLETED, + C_("Fingerprint enroll state", "Complete")); + gtk_widget_set_sensitive (GTK_WIDGET (self->cancel_button), FALSE); + gtk_widget_set_sensitive (GTK_WIDGET (self->done_button), TRUE); + gtk_widget_grab_focus (GTK_WIDGET (self->done_button)); + } + else + { + const char *message; + + if (g_str_equal (result, "enroll-disconnected")) + message = _("Fingerprint device disconnected"); + else if (g_str_equal (result, "enroll-data-full")) + message = _("Fingerprint device storage is full"); + else + message = _("Failed to enroll new fingerprint"); + + set_enroll_result_message (self, ENROLL_STATE_WARNING, message); + } + } +} + +static void +enroll_start_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + + cc_fprintd_device_call_enroll_start_finish (fprintd_device, res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + gtk_spinner_stop (self->spinner); + + if (error) + { + g_autofree char *error_message = NULL; + + self->enrolling_finger = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to start enrollment: %s"), + error->message); + g_warning ("Enrollment on device %s failed: %s", + cc_fprintd_device_get_name (self->device), error->message); + notify_error (self, error_message); + + set_enroll_result_message (self, ENROLL_STATE_ERROR, + C_("Fingerprint enroll state", + "Failed to enroll new fingerprint")); + gtk_widget_set_sensitive (self->enrollment_view, FALSE); + + return; + } +} + +static void +enroll_stop_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + + cc_fprintd_device_call_enroll_stop_finish (fprintd_device, res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self->enrolling_finger = NULL; + gtk_spinner_stop (self->spinner); + gtk_widget_set_sensitive (self->enrollment_view, TRUE); + gtk_stack_set_visible_child (self->stack, self->prints_manager); + + if (error) + { + g_autofree char *error_message = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to stop enrollment: %s"), + error->message); + g_warning ("Stopping enrollment on device %s failed: %s", + cc_fprintd_device_get_name (self->device), error->message); + notify_error (self, error_message); + + return; + } + + cc_fingerprint_manager_update_state (self->manager, NULL, NULL); +} + +static void +enroll_stop (CcFingerprintDialog *self) +{ + g_return_if_fail (self->enrolling_finger); + + gtk_spinner_start (self->spinner); + gtk_widget_set_sensitive (self->enrollment_view, FALSE); + cc_fprintd_device_call_enroll_stop (self->device, self->cancellable, + enroll_stop_cb, self); +} + +static char * +get_enrollment_string (CcFingerprintDialog *self, + const char *finger_id) +{ + char *ret; + const char *scan_type; + const char *device_name; + gboolean is_swipe; + + device_name = NULL; + scan_type = cc_fprintd_device_get_scan_type (self->device); + is_swipe = g_str_equal (scan_type, "swipe"); + + if (have_multiple_devices (self)) + device_name = cc_fprintd_device_get_name (self->device); + + ret = finger_str_to_msg (finger_id, device_name, is_swipe); + + if (ret) + return ret; + + return g_strdup (_("Repeatedly lift and place your finger on the reader to enroll your fingerprint")); +} + +static void +enroll_finger (CcFingerprintDialog *self, + const char *finger_id) +{ + g_auto(GStrv) tmp_finger_name = NULL; + g_autofree char *finger_name = NULL; + g_autofree char *enroll_message = NULL; + + g_return_if_fail (finger_id); + + self->enrolling_finger = finger_id; + self->enroll_progress = 0; + self->enroll_stages_passed = 0; + + g_debug ("Enrolling finger %s", finger_id); + + enroll_message = get_enrollment_string (self, finger_id); + tmp_finger_name = g_strsplit (get_finger_name (finger_id), "_", -1); + finger_name = g_strjoinv ("", tmp_finger_name); + + set_enroll_result_message (self, ENROLL_STATE_NORMAL, NULL); + gtk_stack_set_visible_child (self->stack, self->enrollment_view); + gtk_label_set_label (self->enroll_message, enroll_message); + gtk_entry_set_text (self->enroll_print_entry, finger_name); + gtk_spinner_start (self->spinner); + + cc_fprintd_device_call_enroll_start (self->device, finger_id, self->cancellable, + enroll_start_cb, self); +} + +static void +populate_enrollment_view (CcFingerprintDialog *self) +{ + GtkStyleContext *style_context; + + self->enroll_result_icon = + fingerprint_icon_new ("fingerprint-detection-symbolic", + NULL, + GTK_TYPE_IMAGE, + &self->enroll_progress, + (GtkWidget **) &self->enroll_result_image, + (GtkWidget **) &self->enroll_result_message); + + gtk_container_add (GTK_CONTAINER (self->enroll_print_bin), self->enroll_result_icon); + + style_context = gtk_widget_get_style_context (self->enroll_result_icon); + gtk_style_context_add_class (style_context, "enroll-status"); + + gtk_widget_show_all (self->enroll_print_bin); +} + +static void +reenroll_finger_cb (CcFingerprintDialog *self) +{ + GtkWidget *button; + GtkWidget *flowbox_child; + const char *finger_id; + + button = gtk_popover_get_relative_to (GTK_POPOVER (self->print_popover)); + flowbox_child = g_object_get_data (G_OBJECT (button), "flowbox-child"); + finger_id = g_object_get_data (G_OBJECT (flowbox_child), "finger-id"); + + enroll_finger (self, finger_id); +} + +static void +on_print_activated_cb (GtkFlowBox *flowbox, + GtkFlowBoxChild *child, + CcFingerprintDialog *self) +{ + GtkWidget *selected_button; + + selected_button = g_object_get_data (G_OBJECT (child), "button"); + gtk_button_clicked (GTK_BUTTON (selected_button)); +} + +static void +on_enroll_cb (CcFingerprintDialog *self, + GtkModelButton *button) +{ + const char *finger_id; + + finger_id = g_object_get_data (G_OBJECT (button), "finger-id"); + enroll_finger (self, finger_id); +} + +static void +populate_add_print_popover (CcFingerprintDialog *self) +{ + guint i; + + for (i = 0; i < N_VALID_FINGERS; ++i) + { + GtkWidget *finger_item; + + finger_item = gtk_model_button_new (); + gtk_button_set_label (GTK_BUTTON (finger_item), get_finger_name (FINGER_IDS[i])); + gtk_button_set_use_underline (GTK_BUTTON (finger_item), TRUE); + g_object_set_data (G_OBJECT (finger_item), "finger-id", (gpointer) FINGER_IDS[i]); + gtk_container_add (self->add_print_popover_box, finger_item); + + g_signal_connect_object (finger_item, "clicked", G_CALLBACK (on_enroll_cb), + self, G_CONNECT_SWAPPED); + } +} + +static void +populate_prints_gallery (CcFingerprintDialog *self) +{ + const char *add_print_label; + GtkWidget *button; + GtkStyleContext *style_context; + guint i; + + g_return_if_fail (!GTK_IS_WIDGET (self->add_print_icon)); + + for (i = 0; i < N_VALID_FINGERS; ++i) + { + GtkWidget *flowbox_child; + + flowbox_child = fingerprint_menu_button ("fingerprint-detection-symbolic", + get_finger_name (FINGER_IDS[i])); + + button = g_object_get_data (G_OBJECT (flowbox_child), "button"); + + gtk_menu_button_set_popover (GTK_MENU_BUTTON (button), + GTK_WIDGET (self->print_popover)); + /* Move the popover on click, so we can just reuse the same instance */ + g_signal_connect_object (button, "clicked", + G_CALLBACK (gtk_popover_set_relative_to), + self->print_popover, G_CONNECT_SWAPPED); + + g_object_set_data (G_OBJECT (flowbox_child), "finger-id", + (gpointer) FINGER_IDS[i]); + + gtk_flow_box_insert (self->prints_gallery, flowbox_child, i); + } + + /* TRANSLATORS: This is the label for the button to enroll a new finger */ + add_print_label = _("Scan new fingerprint"); + self->add_print_icon = fingerprint_menu_button ("list-add-symbolic", + add_print_label); + style_context = gtk_widget_get_style_context (self->add_print_icon); + gtk_style_context_add_class (style_context, "fingerprint-print-add"); + + populate_add_print_popover (self); + button = g_object_get_data (G_OBJECT (self->add_print_icon), "button"); + gtk_menu_button_set_popover (GTK_MENU_BUTTON (button), + GTK_WIDGET (self->add_print_popover)); + + gtk_flow_box_insert (self->prints_gallery, self->add_print_icon, -1); + gtk_flow_box_set_max_children_per_line (self->prints_gallery, 1); + + gtk_widget_show_all (GTK_WIDGET (self->prints_gallery)); + gtk_flow_box_set_filter_func (self->prints_gallery, prints_visibility_filter, + self, NULL); + + update_prints_visibility (self); +} + +static void +release_device_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + + cc_fprintd_device_call_release_finish (fprintd_device, res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + if (error) + { + g_autofree char *error_message = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to release fingerprint device %s: %s"), + cc_fprintd_device_get_name (fprintd_device), + error->message); + g_warning ("%s", error_message); + + notify_error (self, error_message); + return; + } + + self->device_claimed = FALSE; +} + +static void +release_device (CcFingerprintDialog *self) +{ + if (!self->device || !self->device_claimed) + return; + + disconnect_device_signals (self); + + cc_fprintd_device_call_release (self->device, + self->cancellable, + release_device_cb, + self); +} + +static void +on_device_signal (CcFingerprintDialog *self, + gchar *sender_name, + gchar *signal_name, + GVariant *parameters, + gpointer user_data) +{ + if (g_str_equal (signal_name, "EnrollStatus")) + { + const char *result; + gboolean done; + + if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(sb)"))) + { + g_warning ("Unexpected enroll parameters type %s", + g_variant_get_type_string (parameters)); + return; + } + + g_variant_get (parameters, "(&sb)", &result, &done); + handle_enroll_signal (self, result, done); + } +} + +static void claim_device (CcFingerprintDialog *self); + +static void +on_device_owner_changed (CcFprintdDevice *device, + GParamSpec *spec, + CcFingerprintDialog *self) +{ + g_autofree char *name_owner = NULL; + + name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (device)); + + if (!name_owner) + { + if (self->device_claimed) + { + disconnect_device_signals (self); + + if (self->enrolling_finger) + { + set_enroll_result_message (self, ENROLL_STATE_ERROR, + C_("Fingerprint enroll state", + "Problem Reading Device")); + self->enrolling_finger = NULL; + } + + self->device_claimed = FALSE; + claim_device (self); + } + } +} + +static void +claim_device_cb (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autoptr(GError) error = NULL; + CcFprintdDevice *fprintd_device = CC_FPRINTD_DEVICE (object); + CcFingerprintDialog *self = user_data; + + cc_fprintd_device_call_claim_finish (fprintd_device, res, &error); + + if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + return; + + self->claiming = FALSE; + + if (error) + { + g_autofree char *dbus_error = g_dbus_error_get_remote_error (error); + g_autofree char *error_message = NULL; + + if (dbus_error && g_str_has_suffix (dbus_error, ".Error.AlreadyInUse") && + self->device_claimed) + return; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to claim fingerprint device %s: %s"), + cc_fprintd_device_get_name (self->device), + error->message); + g_warning ("%s", error_message); + notify_error (self, error_message); + return; + } + + gtk_widget_set_sensitive (self->prints_manager, TRUE); + self->device_claimed = TRUE; + self->device_signal_id = g_signal_connect_object (self->device, "g-signal", + G_CALLBACK (on_device_signal), + self, G_CONNECT_SWAPPED); + self->device_name_owner_id = g_signal_connect_object (self->device, "notify::g-name-owner", + G_CALLBACK (on_device_owner_changed), + self, 0); +} + +static void +claim_device (CcFingerprintDialog *self) +{ + ActUser *user; + + g_return_if_fail (!self->device_claimed); + + if (self->claiming) + return; + + user = cc_fingerprint_manager_get_user (self->manager); + gtk_widget_set_sensitive (self->prints_manager, FALSE); + self->claiming = TRUE; + + cc_fprintd_device_call_claim (self->device, + act_user_get_user_name (user), + self->cancellable, + claim_device_cb, + self); +} + +static void +on_stack_child_changed (CcFingerprintDialog *self) +{ + GtkWidget *visible_child = gtk_stack_get_visible_child (self->stack); + + g_debug ("Fingerprint dialog child changed: %s", + gtk_stack_get_visible_child_name (self->stack)); + + gtk_widget_hide (GTK_WIDGET (self->back_button)); + gtk_widget_hide (GTK_WIDGET (self->cancel_button)); + gtk_widget_hide (GTK_WIDGET (self->done_button)); + + gtk_header_bar_set_show_close_button (self->titlebar, TRUE); + gtk_flow_box_invalidate_filter (self->prints_gallery); + + if (visible_child == self->prints_manager) + { + gtk_widget_set_visible (GTK_WIDGET (self->back_button), + have_multiple_devices (self)); + notify_error (self, NULL); + update_prints_store (self); + + if (!self->device_claimed) + claim_device (self); + } + else if (visible_child == self->enrollment_view) + { + gtk_header_bar_set_show_close_button (self->titlebar, FALSE); + + gtk_widget_show (GTK_WIDGET (self->cancel_button)); + gtk_widget_set_sensitive (GTK_WIDGET (self->cancel_button), TRUE); + + gtk_widget_show (GTK_WIDGET (self->done_button)); + gtk_widget_set_sensitive (GTK_WIDGET (self->done_button), FALSE); + } + else + { + release_device (self); + g_clear_object (&self->device); + } +} + +static void +cc_fingerprint_dialog_init (CcFingerprintDialog *self) +{ + g_autoptr(GtkCssProvider) provider = NULL; + + self->cancellable = g_cancellable_new (); + + gtk_widget_init_template (GTK_WIDGET (self)); + + provider = gtk_css_provider_new (); + gtk_css_provider_load_from_resource (provider, + "/org/gnome/control-center/user-accounts/cc-fingerprint-dialog.css"); + gtk_style_context_add_provider_for_screen (gdk_screen_get_default (), + GTK_STYLE_PROVIDER (provider), + GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + + on_stack_child_changed (self); + g_signal_connect_object (self->stack, "notify::visible-child", + G_CALLBACK (on_stack_child_changed), self, + G_CONNECT_SWAPPED); + + g_object_bind_property (self->stack, "visible-child-name", + self->title, "label", G_BINDING_SYNC_CREATE); + + populate_prints_gallery (self); + populate_enrollment_view (self); +} + +static void +select_device_row (CcFingerprintDialog *self, + GtkListBoxRow *row, + GtkListBox *listbox) +{ + CcFprintdDevice *device = g_object_get_data (G_OBJECT (row), "device"); + + g_return_if_fail (CC_FPRINTD_DEVICE (device)); + + g_set_object (&self->device, device); + gtk_stack_set_visible_child (self->stack, self->prints_manager); +} + +static void +on_devices_list (GObject *object, + GAsyncResult *res, + gpointer user_data) +{ + g_autolist (CcFprintdDevice) fprintd_devices = NULL; + g_autoptr(GError) error = NULL; + CcFingerprintManager *fingerprint_manager = CC_FINGERPRINT_MANAGER (object); + CcFingerprintDialog *self = CC_FINGERPRINT_DIALOG (user_data); + + fprintd_devices = cc_fingerprint_manager_get_devices_finish (fingerprint_manager, + res, &error); + gtk_spinner_stop (self->spinner); + + if (fprintd_devices == NULL) + { + if (error) + { + g_autofree char *error_message = NULL; + + g_dbus_error_strip_remote_error (error); + error_message = g_strdup_printf (_("Failed to get fingerprint devices: %s"), + error->message); + g_warning ("%s", error_message); + notify_error (self, error_message); + } + + gtk_stack_set_visible_child (self->stack, GTK_WIDGET (self->no_devices_found)); + } + else if (fprintd_devices->next == NULL) + { + /* We have just one device... Skip devices selection */ + self->device = g_object_ref (fprintd_devices->data); + gtk_stack_set_visible_child (self->stack, self->prints_manager); + } + else + { + GList *l; + + for (l = fprintd_devices; l; l = l->next) + { + CcFprintdDevice *device = l->data; + CcListRow *device_row; + + device_row = g_object_new (CC_TYPE_LIST_ROW, + "visible", TRUE, + "icon-name", "go-next-symbolic", + "title", cc_fprintd_device_get_name (device), + NULL); + + gtk_list_box_insert (self->devices_list, GTK_WIDGET (device_row), -1); + g_object_set_data_full (G_OBJECT (device_row), "device", + g_object_ref (device), g_object_unref); + } + + gtk_stack_set_visible_child (self->stack, self->device_selector); + } +} + +static void +cc_fingerprint_dialog_constructed (GObject *object) +{ + CcFingerprintDialog *self = CC_FINGERPRINT_DIALOG (object); + + bindtextdomain ("fprintd", GNOMELOCALEDIR); + bind_textdomain_codeset ("fprintd", "UTF-8"); + + gtk_spinner_start (self->spinner); + cc_fingerprint_manager_get_devices (self->manager, self->cancellable, + on_devices_list, self); +} + +static void +back_button_clicked_cb (CcFingerprintDialog *self) +{ + if (gtk_stack_get_visible_child (self->stack) == self->prints_manager) + { + notify_error (self, NULL); + gtk_stack_set_visible_child (self->stack, self->device_selector); + return; + } + + g_return_if_reached (); +} + +static void +confirm_deletion_button_clicked_cb (CcFingerprintDialog *self) +{ + gtk_widget_hide (self->delete_confirmation_infobar); + delete_enrolled_prints (self); +} + +static void +cancel_deletion_button_clicked_cb (CcFingerprintDialog *self) +{ + gtk_widget_set_sensitive (self->prints_manager, TRUE); + gtk_widget_hide (self->delete_confirmation_infobar); +} + +static void +delete_prints_button_clicked_cb (CcFingerprintDialog *self) +{ + gtk_widget_set_sensitive (self->prints_manager, FALSE); + gtk_widget_show (self->delete_confirmation_infobar); +} + +static void +cancel_button_clicked_cb (CcFingerprintDialog *self) +{ + if (self->enrolling_finger) + { + g_cancellable_cancel (self->cancellable); + g_set_object (&self->cancellable, g_cancellable_new ()); + + g_debug ("Cancelling enroll operation"); + enroll_stop (self); + } + else + { + gtk_stack_set_visible_child (self->stack, self->prints_manager); + } +} + +static void +done_button_clicked_cb (CcFingerprintDialog *self) +{ + g_return_if_fail (self->enrolling_finger); + + g_debug ("Completing enroll operation"); + enroll_stop (self); +} + +static void +fingerprint_dialog_delete_cb (CcFingerprintDialog *self) +{ + cc_fingerprint_manager_update_state (self->manager, NULL, NULL); + gtk_widget_destroy (GTK_WIDGET (self)); +} + +static void +cc_fingerprint_dialog_class_init (CcFingerprintDialogClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + gtk_widget_class_set_template_from_resource (widget_class, + "/org/gnome/control-center/user-accounts/cc-fingerprint-dialog.ui"); + + object_class->constructed = cc_fingerprint_dialog_constructed; + object_class->dispose = cc_fingerprint_dialog_dispose; + object_class->get_property = cc_fingerprint_dialog_get_property; + object_class->set_property = cc_fingerprint_dialog_set_property; + + properties[PROP_MANAGER] = + g_param_spec_object ("fingerprint-manager", + "FingerprintManager", + "The CC fingerprint manager", + CC_TYPE_FINGERPRINT_MANAGER, + G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY); + + g_object_class_install_properties (object_class, N_PROPS, properties); + + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, add_print_popover); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, add_print_popover_box); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, back_button); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, cancel_button); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, delete_confirmation_infobar); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, delete_prints_button); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, device_selector); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, devices_list); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, done_button); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, enroll_message); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, enroll_print_bin); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, enroll_print_entry); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, enrollment_view); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, error_infobar); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, infobar_error); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, no_devices_found); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, print_popover); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, prints_gallery); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, prints_manager); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, spinner); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, stack); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, title); + gtk_widget_class_bind_template_child (widget_class, CcFingerprintDialog, titlebar); + + gtk_widget_class_bind_template_callback (widget_class, back_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, cancel_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, cancel_deletion_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, confirm_deletion_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, delete_prints_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, done_button_clicked_cb); + gtk_widget_class_bind_template_callback (widget_class, fingerprint_dialog_delete_cb); + gtk_widget_class_bind_template_callback (widget_class, on_print_activated_cb); + gtk_widget_class_bind_template_callback (widget_class, reenroll_finger_cb); + gtk_widget_class_bind_template_callback (widget_class, select_device_row); +} |