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Diffstat (limited to 'src/indicator-ng.c')
| -rw-r--r-- | src/indicator-ng.c | 1031 |
1 files changed, 1031 insertions, 0 deletions
diff --git a/src/indicator-ng.c b/src/indicator-ng.c new file mode 100644 index 0000000..f057600 --- /dev/null +++ b/src/indicator-ng.c @@ -0,0 +1,1031 @@ +/* + * Copyright 2013 Canonical Ltd. + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 3, as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranties of + * MERCHANTABILITY, SATISFACTORY QUALITY, 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/>. + * + * Authors: + * Lars Uebernickel <lars.uebernickel@canonical.com> + */ + +#include "indicator-ng.h" +#include "indicator-image-helper.h" +#include <libayatana-ido/ayatanamenuitemfactory.h> +#include <string.h> + +#define MENU_SECTIONS 20 + +struct _IndicatorNg +{ + IndicatorObject parent; + + gchar *service_file; + gchar *name; + gchar *object_path; + gchar *menu_object_path; + gchar *bus_name; + gchar *profile; + gchar *header_action; + gchar *scroll_action; + gchar *secondary_action; + gchar *submenu_action; + gint position; + + guint name_watch_id; + + GDBusConnection *session_bus; + GActionGroup *actions; + GMenuModel *menu; + + IndicatorObjectEntry entry; + gchar *accessible_desc; + + gint64 last_service_restart; + GMenuModel *lMenuSections[MENU_SECTIONS]; +}; + +static void indicator_ng_initable_iface_init (GInitableIface *initable); +G_DEFINE_TYPE_WITH_CODE (IndicatorNg, indicator_ng, INDICATOR_OBJECT_TYPE, + G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, indicator_ng_initable_iface_init)) + +enum +{ + PROP_0, + PROP_SERVICE_FILE, + PROP_PROFILE, + N_PROPERTIES +}; + +static GQuark m_pActionMuxer = 0; +static GParamSpec *properties[N_PROPERTIES]; + +static void +indicator_ng_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + IndicatorNg *self = INDICATOR_NG (object); + + switch (property_id) + { + case PROP_SERVICE_FILE: + g_value_set_string (value, self->service_file); + break; + + case PROP_PROFILE: + g_value_set_string (value, self->profile); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +indicator_ng_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + IndicatorNg *self = INDICATOR_NG (object); + + switch (property_id) + { + case PROP_SERVICE_FILE: /* construct-only */ + self->service_file = g_strdup (g_value_get_string (value)); + break; + + case PROP_PROFILE: /* construct-only */ + self->profile = g_strdup (g_value_get_string (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +indicator_ng_free_actions_and_menu (IndicatorNg *self) +{ + if (self->actions) + { + gtk_widget_insert_action_group (GTK_WIDGET (self->entry.menu), "indicator", NULL); + g_signal_handlers_disconnect_by_data (self->actions, self); + g_clear_object (&self->actions); + } + + if (self->menu) + { + for (guint nMenuSection = 0; nMenuSection < MENU_SECTIONS; nMenuSection++) + { + if (self->lMenuSections[nMenuSection]) + { + g_object_unref(self->lMenuSections[nMenuSection]); + self->lMenuSections[nMenuSection] = NULL; + } + } + + g_signal_handlers_disconnect_by_data (self->menu, self); + g_clear_object (&self->menu); + } +} + +static void +indicator_ng_dispose (GObject *object) +{ + IndicatorNg *self = INDICATOR_NG (object); + + if (self->name_watch_id) + { + g_bus_unwatch_name (self->name_watch_id); + self->name_watch_id = 0; + } + + g_clear_object (&self->session_bus); + + indicator_ng_free_actions_and_menu (self); + + g_clear_object (&self->entry.label); + g_clear_object (&self->entry.image); + g_clear_object (&self->entry.menu); + + G_OBJECT_CLASS (indicator_ng_parent_class)->dispose (object); +} + +static void +indicator_ng_finalize (GObject *object) +{ + IndicatorNg *self = INDICATOR_NG (object); + + g_free (self->service_file); + g_free (self->name); + g_free (self->object_path); + g_free (self->menu_object_path); + g_free (self->bus_name); + g_free (self->accessible_desc); + g_free (self->header_action); + g_free (self->scroll_action); + g_free (self->secondary_action); + g_free (self->submenu_action); + + G_OBJECT_CLASS (indicator_ng_parent_class)->finalize (object); +} + +static GList * +indicator_ng_get_entries (IndicatorObject *io) +{ + IndicatorNg *self = INDICATOR_NG (io); + + return g_list_append (NULL, &self->entry); +} + +static gint +indicator_ng_get_position (IndicatorObject *io) +{ + IndicatorNg *self = INDICATOR_NG (io); + + return self->position; +} + +static void +indicator_ng_entry_scrolled (IndicatorObject *io, + __attribute__((unused)) IndicatorObjectEntry *entry, + gint delta, + IndicatorScrollDirection direction) +{ + IndicatorNg *self = INDICATOR_NG (io); + + if (self->actions && self->scroll_action) + { + if (direction == INDICATOR_OBJECT_SCROLL_DOWN || + direction == INDICATOR_OBJECT_SCROLL_LEFT) + { + delta *= -1; + } + + g_action_group_activate_action (self->actions, self->scroll_action, + g_variant_new_int32 (delta)); + } +} + +void +indicator_ng_secondary_activate (IndicatorObject *io, + __attribute__((unused)) IndicatorObjectEntry *entry, + __attribute__((unused)) guint timestamp, + __attribute__((unused)) gpointer user_data) +{ + IndicatorNg *self = INDICATOR_NG (io); + + if (self->actions && self->secondary_action) + { + g_action_group_activate_action (self->actions, self->secondary_action, NULL); + } +} + +static gboolean indicator_ng_menu_insert_idos(IndicatorNg *self, GMenuModel *pSection, guint nModelItem, guint nMenuItem, gboolean bNamespace, gchar *sNamespace) +{ + gboolean bChanged = FALSE; + gchar *sType; + gboolean bHasType = g_menu_model_get_item_attribute(pSection, nModelItem, "x-ayatana-type", "s", &sType); + + if (bHasType) + { + GList *lMenuItems = gtk_container_get_children(GTK_CONTAINER(self->entry.menu)); + GtkWidget *pMenuItemOld = GTK_WIDGET(g_list_nth_data(lMenuItems, nMenuItem)); + const gchar *sName = gtk_widget_get_name(pMenuItemOld); + + if (!g_str_equal(sName, sType)) + { + GActionGroup *pActionGroup = (GActionGroup*)g_object_get_qdata(G_OBJECT(self->entry.menu), m_pActionMuxer); + GMenuItem *pMenuModelItem = g_menu_item_new_from_model(pSection, nModelItem); + GtkMenuItem* pMenuItemNew = NULL; + gchar *sAction; + + if (bNamespace && g_menu_item_get_attribute(pMenuModelItem, G_MENU_ATTRIBUTE_ACTION, "s", &sAction)) + { + gchar *sNamespacedAction = g_strconcat(sNamespace, ".", sAction, NULL); + g_menu_item_set_attribute(pMenuModelItem, G_MENU_ATTRIBUTE_ACTION, "s", sNamespacedAction); + g_free (sNamespacedAction); + g_free (sAction); + } + + for (GList *pFactory = ayatana_menu_item_factory_get_all(); pFactory != NULL && pMenuItemNew == NULL; pFactory = pFactory->next) + { + pMenuItemNew = ayatana_menu_item_factory_create_menu_item(pFactory->data, sType, pMenuModelItem, pActionGroup); + bChanged = TRUE; + } + + if (pMenuItemNew == NULL) + { + pMenuItemNew = GTK_MENU_ITEM(gtk_menu_item_new_with_label("Failed to create IDO object")); + } + + gtk_widget_set_name(GTK_WIDGET(pMenuItemNew), sType); + gtk_widget_show(GTK_WIDGET(pMenuItemNew)); + gtk_container_remove(GTK_CONTAINER(self->entry.menu), pMenuItemOld); + gtk_menu_shell_insert(GTK_MENU_SHELL(self->entry.menu), GTK_WIDGET(pMenuItemNew), nMenuItem); + g_object_unref(pMenuModelItem); + } + + g_list_free(lMenuItems); + g_free(sType); + } + + return bChanged; +} + +static void indicator_ng_menu_size_allocate(__attribute__((unused)) GtkWidget *pWidget, __attribute__((unused)) GtkAllocation *pAllocation, gpointer pUserData) +{ + IndicatorNg *self = pUserData; + GList *pMenuItem = gtk_container_get_children(GTK_CONTAINER(self->entry.menu)); + guint nWidth = 0; + guint nHeight = 0; + GdkWindow *pWindowBin = NULL; + + while (pMenuItem) + { + if (!pWindowBin) + { + pWindowBin = gtk_widget_get_parent_window(pMenuItem->data); + } + + gint nWidthNat; + gint nHeightNat; + gtk_widget_get_preferred_width(pMenuItem->data, NULL, &nWidthNat); + gtk_widget_get_preferred_height(pMenuItem->data, NULL, &nHeightNat); + nWidth = MAX((gint)nWidth, nWidthNat); + nHeight += nHeightNat; + GtkBorder cPadding; + GtkStyleContext *pContext = gtk_widget_get_style_context(GTK_WIDGET(pMenuItem->data)); + gtk_style_context_get_padding(pContext, gtk_style_context_get_state(pContext), &cPadding); + nWidth += cPadding.left + cPadding.right; + pMenuItem = g_list_next(pMenuItem); + } + + g_list_free(pMenuItem); + GtkBorder cPadding; + GtkStyleContext *pContext = gtk_widget_get_style_context(GTK_WIDGET(self->entry.menu)); + gtk_style_context_get_padding(pContext, gtk_style_context_get_state(pContext), &cPadding); + gint nBorderWidth = gtk_container_get_border_width(GTK_CONTAINER(self->entry.menu)); + gint nIconWidth; + gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &nIconWidth, NULL); + nWidth += (2 * nBorderWidth) + cPadding.left + cPadding.right + (nIconWidth * 3) / 2; + nHeight += (2 * nBorderWidth) + cPadding.top + cPadding.bottom + (nIconWidth * 3) / 4; + + GdkRectangle cRectangle = {0}; + GdkDisplay *pDisplay = gdk_display_get_default(); + GdkMonitor *pMonitor = gdk_display_get_primary_monitor(pDisplay); + gdk_monitor_get_workarea(pMonitor, &cRectangle); + + if ((gint)nHeight <= cRectangle.height) + { + gdk_window_move_resize(pWindowBin, 0, 0, nWidth, nHeight); + } + + nHeight = MIN((gint)nHeight, cRectangle.height); + + GdkWindow *pWindow = gtk_widget_get_parent_window(GTK_WIDGET(self->entry.menu)); + gdk_window_resize(pWindow, nWidth, nHeight); + + gtk_menu_reposition(self->entry.menu); +} + +static void indicator_ng_menu_section_changed(__attribute__((unused)) GMenuModel *pMenuSection, __attribute__((unused)) gint nPosition, __attribute__((unused)) gint nRemoved, __attribute__((unused)) gint nAdded, gpointer pUserData) +{ + IndicatorNg *self = pUserData; + GMenuModel *pModel = g_menu_model_get_item_link(self->menu, 0, G_MENU_LINK_SUBMENU); + guint nMenuItem = 0; + gboolean bChanged = FALSE; + + if (pModel) + { + guint nSections = g_menu_model_get_n_items(pModel); + + for (guint nSection = 0; nSection < nSections; nSection++) + { + GMenuModel *pSection = g_menu_model_get_item_link(pModel, nSection, G_MENU_LINK_SECTION); + guint nSubsections = 0; + + if (pSection) + { + gchar *sNamespace; + gboolean bNamespace = g_menu_model_get_item_attribute(pModel, nSection, G_MENU_ATTRIBUTE_ACTION_NAMESPACE, "s", &sNamespace); + nSubsections = g_menu_model_get_n_items(pSection); + + for (guint nSubsection = 0; nSubsection < nSubsections; nSubsection++) + { + GMenuModel *pSubsection = g_menu_model_get_item_link(pSection, nSubsection, G_MENU_LINK_SECTION); + + if (pSubsection) + { + guint nItems = g_menu_model_get_n_items(pSubsection); + + // Skip the subsection separator (if there is one) + GList *lMenuItems = gtk_container_get_children(GTK_CONTAINER(self->entry.menu)); + GtkWidget *pMenuItem = GTK_WIDGET(g_list_nth_data(lMenuItems, nMenuItem)); + + if (GTK_IS_SEPARATOR_MENU_ITEM(pMenuItem)) + { + nMenuItem++; + } + + g_list_free(lMenuItems); + + for (guint nItem = 0; nItem < nItems; nItem++) + { + bChanged = indicator_ng_menu_insert_idos(self, pSubsection, nItem, nMenuItem, bNamespace, sNamespace) || bChanged; + nMenuItem++; + } + } + + g_object_unref(pSubsection); + + bChanged = indicator_ng_menu_insert_idos(self, pSection, nSubsection, nMenuItem, bNamespace, sNamespace) || bChanged; + + if (!g_str_equal(self->name, "ayatana-indicator-messages")) + { + nMenuItem++; + } + } + + if (bNamespace) + { + g_free(sNamespace); + } + + g_object_unref(pSection); + } + + if (pSection && nSubsections) + { + nMenuItem++; + } + } + + g_object_unref(pModel); + } + + if (bChanged) + { + indicator_ng_menu_size_allocate(NULL, NULL, self); + } +} + +static void indicator_ng_menu_shown(__attribute__((unused)) GtkWidget *pWidget, gpointer pUserData) +{ + IndicatorNg *self = pUserData; + guint nSectionCount = 0; + + if (!self->lMenuSections[0]) + { + self->lMenuSections[0] = g_menu_model_get_item_link(self->menu, 0, G_MENU_LINK_SUBMENU); + + if (self->lMenuSections[0]) + { + guint nSections = g_menu_model_get_n_items(self->lMenuSections[0]); + + for (guint nSection = 0; nSection < nSections; nSection++) + { + self->lMenuSections[++nSectionCount] = g_menu_model_get_item_link(self->lMenuSections[0], nSection, G_MENU_LINK_SECTION); + + if (self->lMenuSections[nSectionCount]) + { + g_signal_connect(self->lMenuSections[nSectionCount], "items-changed", G_CALLBACK(indicator_ng_menu_section_changed), self); + guint nSubsections = g_menu_model_get_n_items(self->lMenuSections[nSectionCount]); + guint nParent = nSectionCount; + + for (guint nSubsection = 0; nSubsection < nSubsections; nSubsection++) + { + self->lMenuSections[++nSectionCount] = g_menu_model_get_item_link(self->lMenuSections[nParent], nSubsection, G_MENU_LINK_SECTION); + + if (self->lMenuSections[nSectionCount]) + { + g_signal_connect(self->lMenuSections[nSectionCount], "items-changed", G_CALLBACK(indicator_ng_menu_section_changed), self); + } + } + } + } + + g_signal_connect(self->lMenuSections[0], "items-changed", G_CALLBACK(indicator_ng_menu_section_changed), self); + indicator_ng_menu_section_changed(self->lMenuSections[0], 0, 0, 1, self); + } + } + + if (self->submenu_action) + { + g_action_group_change_action_state(self->actions, self->submenu_action, g_variant_new_boolean(TRUE)); + } +} + +static void +indicator_ng_menu_hidden (__attribute__((unused)) GtkWidget *widget, + gpointer user_data) +{ + IndicatorNg *self = user_data; + + if (self->submenu_action) + g_action_group_change_action_state (self->actions, self->submenu_action, + g_variant_new_boolean (FALSE)); +} + +static void +indicator_ng_set_accessible_desc (IndicatorNg *self, + const gchar *accessible_desc) +{ + g_free (self->accessible_desc); + self->accessible_desc = g_strdup (accessible_desc); + + self->entry.accessible_desc = self->accessible_desc; + g_signal_emit_by_name (self, INDICATOR_OBJECT_SIGNAL_ACCESSIBLE_DESC_UPDATE, &self->entry); +} + +static void +indicator_ng_set_icon_from_variant (IndicatorNg *self, + GVariant *variant) +{ + GIcon *icon; + + if (variant == NULL) + { + if (self->entry.image) + { + gtk_image_clear (self->entry.image); + gtk_widget_hide (GTK_WIDGET (self->entry.image)); + } + return; + } + + gtk_widget_show (GTK_WIDGET (self->entry.image)); + + icon = g_icon_deserialize (variant); + if (icon) + { + indicator_image_helper_update_from_gicon (self->entry.image, icon); + g_object_unref (icon); + } + else + { + gchar *text = g_variant_print (variant, TRUE); + g_warning ("invalid icon variant '%s'", text); + gtk_image_set_from_icon_name (self->entry.image, "image-missing", GTK_ICON_SIZE_LARGE_TOOLBAR); + g_free (text); + } +} + +static void indicator_ng_set_label(IndicatorNg *self, const gchar *label) +{ + if (!self->entry.label) + { + return; + } + + const gchar *sLabel = label; + guint nSpacing = 3; + guint nPadding = 6; + + if (label == NULL || *label == '\0' || !self->entry.image || !gtk_widget_get_visible(GTK_WIDGET(self->entry.image))) + { + nSpacing = 0; + nPadding = 0; + } + + GtkWidget *pParent = gtk_widget_get_parent(GTK_WIDGET(self->entry.label)); + GtkCssProvider *pCssProvider = gtk_css_provider_new(); + GtkStyleContext *pStyleContext = gtk_widget_get_style_context(GTK_WIDGET(self->entry.label)); + gtk_style_context_add_provider(pStyleContext, GTK_STYLE_PROVIDER(pCssProvider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + gchar *sCss = g_strdup_printf("label{padding-left: %ipx;}", nPadding); + gtk_css_provider_load_from_data(pCssProvider, sCss, -1, NULL); + g_free(sCss); + g_object_unref(pCssProvider); + if (GTK_IS_BOX(pParent)) + { + gtk_box_set_spacing(GTK_BOX(pParent), nSpacing); + } + gtk_label_set_label(GTK_LABEL (self->entry.label), sLabel); + + if (label) + { + gtk_widget_show(GTK_WIDGET (self->entry.label)); + } +} + +static void +indicator_ng_update_entry (IndicatorNg *self) +{ + GVariant *state; + const gchar *label = NULL; + GVariant *icon = NULL; + const gchar *accessible_desc = NULL; + gboolean visible = TRUE; + + g_return_if_fail (self->menu != NULL); + g_return_if_fail (self->actions != NULL); + + if (!self->header_action || + !g_action_group_has_action (self->actions, self->header_action)) + { + indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); + return; + } + + state = g_action_group_get_action_state (self->actions, self->header_action); + if (state && g_variant_is_of_type (state, G_VARIANT_TYPE ("(sssb)"))) + { + const gchar *iconstr = NULL; + + g_variant_get (state, "(&s&s&sb)", &label, &iconstr, &accessible_desc, &visible); + + if (iconstr) + icon = g_variant_ref_sink (g_variant_new_string (iconstr)); + } + else if (state && g_variant_is_of_type (state, G_VARIANT_TYPE ("a{sv}"))) + { + g_variant_lookup (state, "label", "&s", &label); + g_variant_lookup (state, "icon", "*", &icon); + g_variant_lookup (state, "accessible-desc", "&s", &accessible_desc); + g_variant_lookup (state, "visible", "b", &visible); + } + else + g_warning ("the action of the indicator menu item must have state with type (sssb) or a{sv}"); + + indicator_ng_set_label (self, label); + indicator_ng_set_icon_from_variant (self, icon); + indicator_ng_set_accessible_desc (self, accessible_desc); + indicator_object_set_visible (INDICATOR_OBJECT (self), visible); + + if (icon) + g_variant_unref (icon); + if (state) + g_variant_unref (state); +} + +static gboolean +indicator_ng_menu_item_is_of_type (GMenuModel *menu, + gint index, + const gchar *expected_type) +{ + gchar *type; + gboolean has_type = FALSE; + + if (g_menu_model_get_item_attribute (menu, index, "x-ayatana-type", "s", &type)) + { + has_type = g_str_equal (type, expected_type); + g_free (type); + } + + return has_type; +} + +static void +indicator_ng_menu_changed (__attribute__((unused)) GMenuModel *menu, + gint position, + gint removed, + gint added, + gpointer user_data) +{ + IndicatorNg *self = user_data; + + /* The menu may only contain one item (the indicator title menu). + * Thus, the position is always 0, and there is either exactly one + * item added or exactly one item removed. + */ + g_return_if_fail (position == 0); + g_return_if_fail (added < 2 && removed < 2 && added ^ removed); + + if (removed) + indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); + + if (added) + { + g_clear_pointer (&self->header_action, g_free); + g_clear_pointer (&self->scroll_action, g_free); + g_clear_pointer (&self->secondary_action, g_free); + + if (indicator_ng_menu_item_is_of_type (self->menu, 0, "org.ayatana.indicator.root")) + { + GMenuModel *popup; + gchar *action; + + if (g_menu_model_get_item_attribute (self->menu, 0, G_MENU_ATTRIBUTE_ACTION, "s", &action)) + { + if (g_str_has_prefix (action, "indicator.")) + self->header_action = g_strdup (action + strlen ("indicator.")); + g_free (action); + } + + if (g_menu_model_get_item_attribute (self->menu, 0, "x-ayatana-scroll-action", "s", &action)) + { + if (g_str_has_prefix (action, "indicator.")) + self->scroll_action = g_strdup (action + strlen ("indicator.")); + g_free (action); + } + + if (g_menu_model_get_item_attribute (self->menu, 0, "x-ayatana-secondary-action", "s", &action)) + { + if (g_str_has_prefix (action, "indicator.")) + self->secondary_action = g_strdup (action + strlen ("indicator.")); + g_free (action); + } + + if (g_menu_model_get_item_attribute (self->menu, 0, "submenu-action", "s", &action)) + { + if (g_str_has_prefix (action, "indicator.")) + self->submenu_action = g_strdup (action + strlen ("indicator.")); + g_free (action); + } + + for (guint nMenuSection = 0; nMenuSection < MENU_SECTIONS; nMenuSection++) + { + if (self->lMenuSections[nMenuSection]) + { + g_object_unref(self->lMenuSections[nMenuSection]); + } + } + + popup = g_menu_model_get_item_link (self->menu, 0, G_MENU_LINK_SUBMENU); + if (popup) + { + gtk_menu_shell_bind_model (GTK_MENU_SHELL (self->entry.menu), popup, NULL, TRUE); + g_object_unref (popup); + } + + indicator_ng_update_entry (self); + } + else + g_warning ("indicator menu item must be of type 'org.ayatana.indicator.root'"); + } +} + +static void +indicator_ng_service_appeared (GDBusConnection *connection, + __attribute__((unused)) const gchar *name, + const gchar *name_owner, + gpointer user_data) +{ + IndicatorNg *self = user_data; + + g_assert (!self->actions); + g_assert (!self->menu); + + /* watch is not established when menu_object_path == NULL */ + g_assert (self->menu_object_path); + + self->session_bus = g_object_ref (connection); + + self->actions = G_ACTION_GROUP (g_dbus_action_group_get (connection, name_owner, self->object_path)); + gtk_widget_insert_action_group (GTK_WIDGET (self->entry.menu), "indicator", self->actions); + g_signal_connect_swapped (self->actions, "action-added", G_CALLBACK (indicator_ng_update_entry), self); + g_signal_connect_swapped (self->actions, "action-removed", G_CALLBACK (indicator_ng_update_entry), self); + g_signal_connect_swapped (self->actions, "action-state-changed", G_CALLBACK (indicator_ng_update_entry), self); + + self->menu = G_MENU_MODEL (g_dbus_menu_model_get (connection, name_owner, self->menu_object_path)); + g_signal_connect (self->menu, "items-changed", G_CALLBACK (indicator_ng_menu_changed), self); + if (g_menu_model_get_n_items (self->menu)) + indicator_ng_menu_changed (self->menu, 0, 0, 1, self); + + indicator_ng_update_entry (self); +} + +static void +indicator_ng_service_started (GObject *source_object, + GAsyncResult *res, + gpointer user_data) +{ + IndicatorNg *self = user_data; + GError *error = NULL; + GVariant *result; + guint32 start_service_reply; + + result = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object), res, &error); + if (!result) + { + g_warning ("Could not activate service '%s': %s", self->name, error->message); + indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); + g_error_free (error); + return; + } + + start_service_reply = 0; + g_variant_get (result, "(u)", &start_service_reply); + + switch (start_service_reply) + { + case 1: /* DBUS_START_REPLY_SUCCESS */ + break; + + case 2: /* DBUS_START_REPLY_ALREADY_RUNNING */ + g_warning ("could not start service '%s': it is already running", self->name); + break; + + default: + g_assert_not_reached (); + } + + g_variant_unref (result); +} + +static void +indicator_ng_service_vanished (__attribute__((unused)) GDBusConnection *connection, + __attribute__((unused)) const gchar *name, + gpointer user_data) +{ + IndicatorNg *self = user_data; + + indicator_ng_free_actions_and_menu (self); + + /* Names may vanish because the service decided it doesn't need to + * show its indicator anymore, or because it crashed. Let's assume it + * crashes and restart it unless it explicitly hid its indicator. */ + + if (indicator_object_entry_is_visible (INDICATOR_OBJECT (self), &self->entry)) + { + gint64 now; + + /* take care not to start it if it repeatedly crashes */ + now = g_get_monotonic_time (); + if (now - self->last_service_restart < 1 * G_USEC_PER_SEC) + { + g_warning ("The indicator '%s' vanished too quickly after appearing. It won't " + "be respawned anymore, as it could be crashing repeatedly.", self->name); + return; + } + + self->last_service_restart = now; + + g_dbus_connection_call (self->session_bus, + "org.freedesktop.DBus", + "/", + "org.freedesktop.DBus", + "StartServiceByName", + g_variant_new ("(su)", self->bus_name, 0), + G_VARIANT_TYPE ("(u)"), + G_DBUS_CALL_FLAGS_NONE, + -1, + NULL, + indicator_ng_service_started, + self); + } +} + +/* Get an integer from a keyfile. Returns @default_value if the key + * doesn't exist exists or is not an integer */ +static gint +g_key_file_maybe_get_integer (GKeyFile *keyfile, + const gchar *group, + const gchar *key, + gint default_value) +{ + GError *error = NULL; + gint i; + + i = g_key_file_get_integer (keyfile, group, key, &error); + if (error) + { + g_error_free (error); + return default_value; + } + + return i; +} + +static gboolean +indicator_ng_load_from_keyfile (IndicatorNg *self, + GKeyFile *keyfile, + GError **error) +{ + g_assert (self->name == NULL); + g_assert (self->object_path == NULL); + g_assert (self->menu_object_path == NULL); + + self->name = g_key_file_get_string (keyfile, "Indicator Service", "Name", error); + if (self->name == NULL) + return FALSE; + + self->object_path = g_key_file_get_string (keyfile, "Indicator Service", "ObjectPath", error); + if (self->object_path == NULL) + return FALSE; + + self->position = g_key_file_maybe_get_integer (keyfile, "Indicator Service", "Position", -1); + + /* + * Don't throw an error when the profile doesn't exist. Non-existant + * profiles are silently ignored by not showing an indicator at all. + */ + if (g_key_file_has_group (keyfile, self->profile)) + { + /* however, if the profile exists, it must have "ObjectPath" */ + self->menu_object_path = g_key_file_get_string (keyfile, self->profile, "ObjectPath", error); + if (self->menu_object_path == NULL) + return FALSE; + + /* a position in the profile overrides the global one */ + self->position = g_key_file_maybe_get_integer (keyfile, self->profile, "Position", self->position); + } + + return TRUE; +} + +static gboolean +indicator_ng_initable_init (GInitable *initable, + __attribute__((unused)) GCancellable *cancellable, + GError **error) +{ + IndicatorNg *self = INDICATOR_NG (initable); + GKeyFile *keyfile; + gboolean success = FALSE; + + self->bus_name = g_path_get_basename (self->service_file); + + keyfile = g_key_file_new (); + if (g_key_file_load_from_file (keyfile, self->service_file, G_KEY_FILE_NONE, error) && + indicator_ng_load_from_keyfile (self, keyfile, error)) + { + self->entry.name_hint = self->name; + + /* only watch the service when it supports the proile we're interested in */ + if (self->menu_object_path) + { + self->name_watch_id = g_bus_watch_name (G_BUS_TYPE_SESSION, + self->bus_name, + G_BUS_NAME_WATCHER_FLAGS_AUTO_START, + indicator_ng_service_appeared, + indicator_ng_service_vanished, + self, NULL); + } + + success = TRUE; + } + + g_key_file_free (keyfile); + return success; +} + +static void +indicator_ng_class_init (IndicatorNgClass *class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (class); + IndicatorObjectClass *io_class = INDICATOR_OBJECT_CLASS (class); + + object_class->get_property = indicator_ng_get_property; + object_class->set_property = indicator_ng_set_property; + object_class->dispose = indicator_ng_dispose; + object_class->finalize = indicator_ng_finalize; + + io_class->get_entries = indicator_ng_get_entries; + io_class->get_position = indicator_ng_get_position; + io_class->entry_scrolled = indicator_ng_entry_scrolled; + io_class->secondary_activate = indicator_ng_secondary_activate; + + properties[PROP_SERVICE_FILE] = g_param_spec_string ("service-file", + "Service file", + "Path of the service file", + NULL, + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_STATIC_STRINGS); + + properties[PROP_PROFILE] = g_param_spec_string ("profile", + "Profile", + "Indicator profile", + "desktop", + G_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY | + G_PARAM_STATIC_STRINGS); + + g_object_class_install_properties(object_class, N_PROPERTIES, properties); +} + +static void +indicator_ng_initable_iface_init (GInitableIface *initable) +{ + initable->init = indicator_ng_initable_init; +} + +static void +indicator_ng_init (IndicatorNg *self) +{ + m_pActionMuxer = g_quark_from_static_string ("gtk-widget-action-muxer"); + + for (guint nMenuSection = 0; nMenuSection < MENU_SECTIONS; nMenuSection++) + { + self->lMenuSections[nMenuSection] = NULL; + } + + self->entry.label = (GtkLabel*)g_object_ref_sink (gtk_label_new (NULL)); + self->entry.image = (GtkImage*)g_object_ref_sink (gtk_image_new ()); + + self->entry.menu = (GtkMenu*)g_object_ref_sink (gtk_menu_new ()); + + g_signal_connect (self->entry.menu, "show", G_CALLBACK (indicator_ng_menu_shown), self); + g_signal_connect (self->entry.menu, "hide", G_CALLBACK (indicator_ng_menu_hidden), self); + g_signal_connect (self->entry.menu, "size-allocate", G_CALLBACK (indicator_ng_menu_size_allocate), self); + + GtkCssProvider *pCssProvider = gtk_css_provider_new(); + GtkStyleContext *pStyleContext = gtk_widget_get_style_context(GTK_WIDGET(self->entry.menu)); + gtk_style_context_add_provider(pStyleContext, GTK_STYLE_PROVIDER(pCssProvider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + gtk_css_provider_load_from_data(pCssProvider, "menu > arrow{min-height: 0; padding: 0; margin: 0;}", -1, NULL); + + GtkWidget *pWindow = gtk_widget_get_parent(GTK_WIDGET(self->entry.menu)); + pStyleContext = gtk_widget_get_style_context(pWindow); + gtk_style_context_add_provider(pStyleContext, GTK_STYLE_PROVIDER(pCssProvider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + gtk_css_provider_load_from_data(pCssProvider, "window > decoration {box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 0 0 1px rgba(0,0,0,0.13);}", -1, NULL); + + g_object_unref(pCssProvider); + + /* work around IndicatorObject's warning that the accessible + * description is missing. We never set it on construction, but when + * the menu model has arrived on the bus. + */ + self->accessible_desc = g_strdup (""); + self->entry.accessible_desc = self->accessible_desc; + + self->position = -1; + + indicator_object_set_visible (INDICATOR_OBJECT (self), FALSE); +} + +IndicatorNg * +indicator_ng_new (const gchar *service_file, + GError **error) +{ + return g_initable_new (INDICATOR_TYPE_NG, NULL, error, + "service-file", service_file, + NULL); +} + +IndicatorNg * +indicator_ng_new_for_profile (const gchar *service_file, + const gchar *profile, + GError **error) +{ + return g_initable_new (INDICATOR_TYPE_NG, NULL, error, + "service-file", service_file, + "profile", profile, + NULL); +} + +const gchar * +indicator_ng_get_service_file (IndicatorNg *self) +{ + g_return_val_if_fail (INDICATOR_IS_NG (self), NULL); + + return self->service_file; +} + +const gchar * +indicator_ng_get_profile (IndicatorNg *self) +{ + g_return_val_if_fail (INDICATOR_IS_NG (self), NULL); + + return self->profile; +} |