Adding upstream version 1:3.38.4.upstream/1%3.38.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 459 insertions, 0 deletions

diff --git a/panels/camera/cc-camera-panel.c b/panels/camera/cc-camera-panel.c
new file mode 100644
index 0000000..516aae0
--- /dev/null
+++ b/panels/camera/cc-camera-panel.c
@@ -0,0 +1,459 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2018 Red Hat, Inc
+ *
+ * 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/>.
+ *
+ * Author: Matthias Clasen <mclasen@redhat.com>
+ */
+
+#include "list-box-helper.h"
+#include "cc-camera-panel.h"
+#include "cc-camera-resources.h"
+#include "cc-util.h"
+
+#include <gio/gdesktopappinfo.h>
+#include <glib/gi18n.h>
+
+#define APP_PERMISSIONS_TABLE "devices"
+#define APP_PERMISSIONS_ID "camera"
+
+struct _CcCameraPanel
+{
+  CcPanel       parent_instance;
+
+  GtkStack     *stack;
+  GtkListBox   *camera_apps_list_box;
+
+  GSettings    *privacy_settings;
+
+  GDBusProxy   *perm_store;
+  GVariant     *camera_apps_perms;
+  GVariant     *camera_apps_data;
+  GHashTable   *camera_app_switches;
+
+  GtkSizeGroup *camera_icon_size_group;
+};
+
+CC_PANEL_REGISTER (CcCameraPanel, cc_camera_panel)
+
+typedef struct
+{
+  CcCameraPanel *self;
+  GtkWidget *widget;
+  gchar *app_id;
+  gboolean changing_state;
+  gboolean pending_state;
+} CameraAppStateData;
+
+static void
+camera_app_state_data_free (CameraAppStateData *data)
+{
+    g_free (data->app_id);
+    g_slice_free (CameraAppStateData, data);
+}
+
+static void
+on_perm_store_set_done (GObject      *source_object,
+                        GAsyncResult *res,
+                        gpointer      user_data)
+{
+  g_autoptr(GVariant) results = NULL;
+  g_autoptr(GError) error = NULL;
+  CameraAppStateData *data;
+
+  results = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object),
+                                      res,
+                                      &error);
+  if (results == NULL)
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("Failed to store permissions: %s", error->message);
+      return;
+    }
+
+  data = (CameraAppStateData *) user_data;
+  data->changing_state = FALSE;
+  gtk_switch_set_state (GTK_SWITCH (data->widget), data->pending_state);
+}
+
+static gboolean
+on_camera_app_state_set (GtkSwitch *widget,
+                         gboolean   state,
+                         gpointer   user_data)
+{
+  CameraAppStateData *data = (CameraAppStateData *) user_data;
+  GVariantBuilder builder;
+  CcCameraPanel *self;
+  GVariantIter iter;
+  GVariant *params;
+  const gchar *key;
+  gchar **value;
+
+  self = data->self;
+
+  if (data->changing_state)
+    return TRUE;
+
+  data->changing_state = TRUE;
+  data->pending_state = state;
+
+  g_variant_iter_init (&iter, self->camera_apps_perms);
+  g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
+  while (g_variant_iter_loop (&iter, "{&s^a&s}", &key, &value))
+    {
+      gchar *tmp = NULL;
+
+      /* It's OK to drop the entry if it's not in expected format */
+      if (g_strv_length (value) != 1)
+        continue;
+
+      if (g_strcmp0 (data->app_id, key) == 0)
+        {
+          tmp = value[0];
+          value[0] = state ? "yes" : "no";
+        }
+
+      g_variant_builder_add (&builder, "{s^as}", key, value);
+
+      if (tmp != NULL)
+        value[0] = tmp;
+    }
+
+  params = g_variant_new ("(sbsa{sas}v)",
+                          APP_PERMISSIONS_TABLE,
+                          TRUE,
+                          APP_PERMISSIONS_ID,
+                          &builder,
+                          self->camera_apps_data);
+
+  g_dbus_proxy_call (self->perm_store,
+                     "Set",
+                     params,
+                     G_DBUS_CALL_FLAGS_NONE,
+                     -1,
+                     cc_panel_get_cancellable (CC_PANEL (self)),
+                     on_perm_store_set_done,
+                     data);
+
+  return TRUE;
+}
+
+static void
+add_camera_app (CcCameraPanel *self,
+                const gchar   *app_id,
+                gboolean       enabled)
+{
+  g_autofree gchar *desktop_id = NULL;
+  CameraAppStateData *data;
+  GDesktopAppInfo *app_info;
+  GtkWidget *box, *row, *w;
+  GIcon *icon;
+
+  w = g_hash_table_lookup (self->camera_app_switches, app_id);
+  if (w != NULL)
+    {
+      gtk_switch_set_active (GTK_SWITCH (w), enabled);
+      return;
+    }
+
+  desktop_id = g_strdup_printf ("%s.desktop", app_id);
+  app_info = g_desktop_app_info_new (desktop_id);
+  if (!app_info)
+    return;
+
+  row = gtk_list_box_row_new ();
+  gtk_widget_show (row);
+  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+  gtk_widget_show (box);
+  gtk_widget_set_margin_start (box, 12);
+  gtk_widget_set_margin_end (box, 6);
+  gtk_widget_set_margin_top (box, 12);
+  gtk_widget_set_margin_bottom (box, 12);
+  gtk_container_add (GTK_CONTAINER (row), box);
+  gtk_widget_set_hexpand (box, TRUE);
+  gtk_container_add (GTK_CONTAINER (self->camera_apps_list_box), row);
+
+  icon = g_app_info_get_icon (G_APP_INFO (app_info));
+  w = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_LARGE_TOOLBAR);
+  gtk_widget_show (w);
+  gtk_widget_set_halign (w, GTK_ALIGN_CENTER);
+  gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
+  gtk_size_group_add_widget (self->camera_icon_size_group, w);
+  gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
+
+  w = gtk_label_new (g_app_info_get_name (G_APP_INFO (app_info)));
+  gtk_widget_show (w);
+  gtk_widget_set_margin_start (w, 12);
+  gtk_widget_set_margin_end (w, 12);
+  gtk_widget_set_halign (w, GTK_ALIGN_START);
+  gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
+  gtk_label_set_xalign (GTK_LABEL (w), 0);
+  gtk_box_pack_start (GTK_BOX (box), w, TRUE, TRUE, 0);
+
+  w = gtk_switch_new ();
+  gtk_widget_show (w);
+  gtk_switch_set_active (GTK_SWITCH (w), enabled);
+  gtk_widget_set_halign (w, GTK_ALIGN_END);
+  gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
+  gtk_box_pack_start (GTK_BOX (box), w, FALSE, FALSE, 0);
+  g_settings_bind (self->privacy_settings,
+                   "disable-camera",
+                   w,
+                   "sensitive",
+                   G_SETTINGS_BIND_INVERT_BOOLEAN);
+  g_hash_table_insert (self->camera_app_switches,
+                       g_strdup (app_id),
+                       g_object_ref (w));
+
+  data = g_slice_new (CameraAppStateData);
+  data->self = self;
+  data->app_id = g_strdup (app_id);
+  data->widget = w;
+  data->changing_state = FALSE;
+  g_signal_connect_data (G_OBJECT (w),
+                         "state-set",
+                         G_CALLBACK (on_camera_app_state_set),
+                         data,
+                         (GClosureNotify) camera_app_state_data_free,
+                         0);
+}
+
+/* Steals permissions and permissions_data references */
+
+static gboolean
+to_child_name (GBinding     *binding,
+               const GValue *from,
+               GValue       *to,
+               gpointer      user_data)
+{
+  if (g_value_get_boolean (from))
+    g_value_set_string (to, "content");
+  else
+    g_value_set_string (to, "empty");
+  return TRUE;
+}
+
+static void
+update_perm_store (CcCameraPanel *self,
+                   GVariant      *permissions,
+                   GVariant      *permissions_data)
+{
+  GVariantIter iter;
+  const gchar *key;
+  gchar **value;
+
+  g_clear_pointer (&self->camera_apps_perms, g_variant_unref);
+  self->camera_apps_perms = permissions;
+  g_clear_pointer (&self->camera_apps_data, g_variant_unref);
+  self->camera_apps_data = permissions_data;
+
+  g_variant_iter_init (&iter, permissions);
+  while (g_variant_iter_loop (&iter, "{&s^a&s}", &key, &value))
+    {
+      gboolean enabled;
+
+      if (g_strv_length (value) != 1)
+        {
+          g_debug ("Permissions for %s in incorrect format, ignoring..", key);
+          continue;
+        }
+
+      enabled = (g_strcmp0 (value[0], "no") != 0);
+
+      add_camera_app (self, key, enabled);
+    }
+}
+
+static void
+on_perm_store_signal (GDBusProxy *proxy,
+                      gchar      *sender_name,
+                      gchar      *signal_name,
+                      GVariant   *parameters,
+                      gpointer    user_data)
+{
+  GVariant *permissions, *permissions_data;
+
+  if (g_strcmp0 (signal_name, "Changed") != 0)
+    return;
+
+  permissions = g_variant_get_child_value (parameters, 4);
+  permissions_data = g_variant_get_child_value (parameters, 3);
+  update_perm_store (user_data, permissions, permissions_data);
+}
+
+static void
+on_perm_store_lookup_done (GObject      *source_object,
+                           GAsyncResult *res,
+                           gpointer      user_data)
+{
+  CcCameraPanel *self = user_data;
+  GVariant *ret, *permissions, *permissions_data;
+  g_autoptr(GError) error = NULL;
+
+  ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object),
+                                  res,
+                                  &error);
+  if (ret == NULL)
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("Failed fetch permissions from flatpak permission store: %s", error->message);
+      return;
+    }
+
+  permissions = g_variant_get_child_value (ret, 0);
+  permissions_data = g_variant_get_child_value (ret, 1);
+  update_perm_store (user_data, permissions, permissions_data);
+
+  g_signal_connect_object (source_object,
+                           "g-signal",
+                           G_CALLBACK (on_perm_store_signal),
+                           self,
+                           0);
+}
+
+static void
+on_perm_store_ready (GObject      *source_object,
+                     GAsyncResult *res,
+                     gpointer      user_data)
+{
+  CcCameraPanel *self;
+  g_autoptr(GVariant) params = NULL;
+  g_autoptr(GError) error = NULL;
+  GDBusProxy *proxy;
+
+  proxy = g_dbus_proxy_new_for_bus_finish (res, &error);
+  if (proxy == NULL)
+    {
+      if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning ("Failed to connect to flatpak permission store: %s", error->message);
+      return;
+    }
+  self = user_data;
+  self->perm_store = proxy;
+
+  params = g_variant_new ("(ss)",
+                          APP_PERMISSIONS_TABLE,
+                          APP_PERMISSIONS_ID);
+  g_dbus_proxy_call (self->perm_store,
+                     "Lookup",
+                     params,
+                     G_DBUS_CALL_FLAGS_NONE,
+                     -1,
+                     cc_panel_get_cancellable (CC_PANEL (self)),
+                     on_perm_store_lookup_done,
+                     self);
+}
+
+static void
+cc_camera_panel_finalize (GObject *object)
+{
+  CcCameraPanel *self = CC_CAMERA_PANEL (object);
+
+  g_clear_object (&self->privacy_settings);
+  g_clear_object (&self->perm_store);
+  g_clear_object (&self->camera_icon_size_group);
+  g_clear_pointer (&self->camera_apps_perms, g_variant_unref);
+  g_clear_pointer (&self->camera_apps_data, g_variant_unref);
+  g_clear_pointer (&self->camera_app_switches, g_hash_table_unref);
+
+  G_OBJECT_CLASS (cc_camera_panel_parent_class)->finalize (object);
+}
+
+static const char *
+cc_camera_panel_get_help_uri (CcPanel *panel)
+{
+  return "help:gnome-help/camera";
+}
+
+static void
+cc_camera_panel_constructed (GObject *object)
+{
+  CcCameraPanel *self = CC_CAMERA_PANEL (object);
+  GtkWidget *box, *widget;
+
+  G_OBJECT_CLASS (cc_camera_panel_parent_class)->constructed (object);
+
+  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+  gtk_widget_show (box);
+
+  widget = gtk_switch_new ();
+  gtk_widget_show (widget);
+  gtk_widget_set_valign (widget, GTK_ALIGN_CENTER);
+  gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 4);
+
+  g_settings_bind (self->privacy_settings, "disable-camera",
+                   widget, "active",
+                   G_SETTINGS_BIND_INVERT_BOOLEAN);
+  g_object_bind_property_full  (widget, "active",
+                                self->stack, "visible-child-name",
+                                G_BINDING_SYNC_CREATE,
+                                to_child_name,
+                                NULL,
+                                NULL, NULL);
+
+  cc_shell_embed_widget_in_header (cc_panel_get_shell (CC_PANEL (self)),
+                                   box,
+                                   GTK_POS_RIGHT);
+}
+
+static void
+cc_camera_panel_class_init (CcCameraPanelClass *klass)
+{
+  CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  panel_class->get_help_uri = cc_camera_panel_get_help_uri;
+
+  object_class->finalize = cc_camera_panel_finalize;
+  object_class->constructed = cc_camera_panel_constructed;
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/camera/cc-camera-panel.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcCameraPanel, stack);
+  gtk_widget_class_bind_template_child (widget_class, CcCameraPanel, camera_apps_list_box);
+}
+
+static void
+cc_camera_panel_init (CcCameraPanel *self)
+{
+  g_resources_register (cc_camera_get_resource ());
+
+  gtk_widget_init_template (GTK_WIDGET (self));
+
+  gtk_list_box_set_header_func (self->camera_apps_list_box,
+                                cc_list_box_update_header_func,
+                                NULL,
+                                NULL);
+  self->camera_icon_size_group = gtk_size_group_new (GTK_SIZE_GROUP_BOTH);
+
+  self->privacy_settings = g_settings_new ("org.gnome.desktop.privacy");
+
+
+  self->camera_app_switches = g_hash_table_new_full (g_str_hash,
+                                                     g_str_equal,
+                                                     g_free,
+                                                     g_object_unref);
+
+  g_dbus_proxy_new_for_bus (G_BUS_TYPE_SESSION,
+                            G_DBUS_PROXY_FLAGS_NONE,
+                            NULL,
+                            "org.freedesktop.impl.portal.PermissionStore",
+                            "/org/freedesktop/impl/portal/PermissionStore",
+                            "org.freedesktop.impl.portal.PermissionStore",
+                            cc_panel_get_cancellable (CC_PANEL (self)),
+                            on_perm_store_ready,
+                            self);
+}