[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | * |
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| 19 | */ |
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| 20 | |
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| 21 | #include "config.h" |
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| 22 | |
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| 23 | #include <stdlib.h> |
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| 24 | #include <stdio.h> |
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| 25 | |
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| 26 | #include <glib.h> |
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| 27 | #include <glib/gi18n.h> |
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| 28 | #include <glib-object.h> |
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| 29 | |
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| 30 | #include "gdm-display-factory.h" |
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| 31 | #include "gdm-local-display-factory.h" |
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| 32 | #include "gdm-local-display-factory-glue.h" |
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| 33 | |
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| 34 | #include "gdm-display-store.h" |
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| 35 | #include "gdm-static-display.h" |
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| 36 | #include "gdm-transient-display.h" |
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| 37 | #include "gdm-static-factory-display.h" |
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| 38 | #include "gdm-product-display.h" |
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| 39 | |
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| 40 | #define GDM_LOCAL_DISPLAY_FACTORY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_LOCAL_DISPLAY_FACTORY, GdmLocalDisplayFactoryPrivate)) |
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| 41 | |
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| 42 | #define CK_SEAT1_PATH "/org/freedesktop/ConsoleKit/Seat1" |
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| 43 | |
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| 44 | #define GDM_DBUS_PATH "/org/gnome/DisplayManager" |
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| 45 | #define GDM_LOCAL_DISPLAY_FACTORY_DBUS_PATH GDM_DBUS_PATH "/LocalDisplayFactory" |
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| 46 | #define GDM_MANAGER_DBUS_NAME "org.gnome.DisplayManager.LocalDisplayFactory" |
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| 47 | |
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| 48 | #define HAL_DBUS_NAME "org.freedesktop.Hal" |
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| 49 | #define HAL_DBUS_MANAGER_PATH "/org/freedesktop/Hal/Manager" |
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| 50 | #define HAL_DBUS_MANAGER_INTERFACE "org.freedesktop.Hal.Manager" |
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| 51 | #define HAL_DBUS_DEVICE_INTERFACE "org.freedesktop.Hal.Device" |
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| 52 | #define SEAT_PCI_DEVICE_CLASS 3 |
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| 53 | |
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| 54 | #define MAX_DISPLAY_FAILURES 5 |
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| 55 | |
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| 56 | struct GdmLocalDisplayFactoryPrivate |
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| 57 | { |
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| 58 | DBusGConnection *connection; |
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| 59 | DBusGProxy *proxy; |
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| 60 | GHashTable *displays; |
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| 61 | |
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| 62 | /* FIXME: this needs to be per seat? */ |
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| 63 | guint num_failures; |
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| 64 | }; |
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| 65 | |
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| 66 | enum { |
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| 67 | PROP_0, |
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| 68 | }; |
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| 69 | |
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| 70 | static void gdm_local_display_factory_class_init (GdmLocalDisplayFactoryClass *klass); |
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| 71 | static void gdm_local_display_factory_init (GdmLocalDisplayFactory *factory); |
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| 72 | static void gdm_local_display_factory_finalize (GObject *object); |
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| 73 | |
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| 74 | static GdmDisplay *create_display (GdmLocalDisplayFactory *factory); |
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| 75 | |
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| 76 | static gpointer local_display_factory_object = NULL; |
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| 77 | |
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| 78 | G_DEFINE_TYPE (GdmLocalDisplayFactory, gdm_local_display_factory, GDM_TYPE_DISPLAY_FACTORY) |
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| 79 | |
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| 80 | GQuark |
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| 81 | gdm_local_display_factory_error_quark (void) |
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| 82 | { |
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| 83 | static GQuark ret = 0; |
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| 84 | if (ret == 0) { |
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| 85 | ret = g_quark_from_static_string ("gdm_local_display_factory_error"); |
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| 86 | } |
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| 87 | |
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| 88 | return ret; |
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| 89 | } |
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| 90 | |
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| 91 | static void |
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| 92 | listify_hash (gpointer key, |
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| 93 | GdmDisplay *display, |
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| 94 | GList **list) |
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| 95 | { |
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| 96 | *list = g_list_prepend (*list, key); |
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| 97 | } |
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| 98 | |
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| 99 | static int |
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| 100 | sort_nums (gpointer a, |
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| 101 | gpointer b) |
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| 102 | { |
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| 103 | guint32 num_a; |
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| 104 | guint32 num_b; |
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| 105 | |
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| 106 | num_a = GPOINTER_TO_UINT (a); |
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| 107 | num_b = GPOINTER_TO_UINT (b); |
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| 108 | |
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| 109 | if (num_a > num_b) { |
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| 110 | return 1; |
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| 111 | } else if (num_a < num_b) { |
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| 112 | return -1; |
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| 113 | } else { |
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| 114 | return 0; |
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| 115 | } |
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| 116 | } |
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| 117 | |
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| 118 | static guint32 |
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| 119 | take_next_display_number (GdmLocalDisplayFactory *factory) |
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| 120 | { |
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| 121 | GList *list; |
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| 122 | GList *l; |
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| 123 | guint32 ret; |
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| 124 | |
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| 125 | ret = 0; |
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| 126 | list = NULL; |
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| 127 | |
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| 128 | g_hash_table_foreach (factory->priv->displays, (GHFunc)listify_hash, &list); |
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| 129 | if (list == NULL) { |
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| 130 | goto out; |
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| 131 | } |
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| 132 | |
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| 133 | /* sort low to high */ |
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| 134 | list = g_list_sort (list, (GCompareFunc)sort_nums); |
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| 135 | |
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| 136 | g_debug ("GdmLocalDisplayFactory: Found the following X displays:"); |
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| 137 | for (l = list; l != NULL; l = l->next) { |
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| 138 | g_debug ("GdmLocalDisplayFactory: %u", GPOINTER_TO_UINT (l->data)); |
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| 139 | } |
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| 140 | |
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| 141 | for (l = list; l != NULL; l = l->next) { |
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| 142 | guint32 num; |
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| 143 | num = GPOINTER_TO_UINT (l->data); |
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| 144 | |
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| 145 | /* always fill zero */ |
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| 146 | if (l->prev == NULL && num != 0) { |
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| 147 | ret = 0; |
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| 148 | break; |
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| 149 | } |
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| 150 | /* now find the first hole */ |
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| 151 | if (l->next == NULL || GPOINTER_TO_UINT (l->next->data) != (num + 1)) { |
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| 152 | ret = num + 1; |
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| 153 | break; |
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| 154 | } |
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| 155 | } |
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| 156 | out: |
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| 157 | |
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| 158 | /* now reserve this number */ |
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| 159 | g_debug ("GdmLocalDisplayFactory: Reserving X display: %u", ret); |
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| 160 | g_hash_table_insert (factory->priv->displays, GUINT_TO_POINTER (ret), NULL); |
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| 161 | |
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| 162 | return ret; |
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| 163 | } |
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| 164 | |
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| 165 | static void |
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| 166 | on_display_disposed (GdmLocalDisplayFactory *factory, |
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| 167 | GdmDisplay *display) |
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| 168 | { |
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| 169 | g_debug ("GdmLocalDisplayFactory: Display %p disposed", display); |
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| 170 | } |
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| 171 | |
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| 172 | static void |
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| 173 | store_display (GdmLocalDisplayFactory *factory, |
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| 174 | guint32 num, |
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| 175 | GdmDisplay *display) |
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| 176 | { |
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| 177 | GdmDisplayStore *store; |
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| 178 | |
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| 179 | g_object_weak_ref (G_OBJECT (display), (GWeakNotify)on_display_disposed, factory); |
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| 180 | |
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| 181 | store = gdm_display_factory_get_display_store (GDM_DISPLAY_FACTORY (factory)); |
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| 182 | gdm_display_store_add (store, display); |
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| 183 | |
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| 184 | /* now fill our reserved spot */ |
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| 185 | g_hash_table_insert (factory->priv->displays, GUINT_TO_POINTER (num), NULL); |
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| 186 | } |
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| 187 | |
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| 188 | /* |
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| 189 | Example: |
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| 190 | dbus-send --system --dest=org.gnome.DisplayManager \ |
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| 191 | --type=method_call --print-reply --reply-timeout=2000 \ |
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| 192 | /org/gnome/DisplayManager/Manager \ |
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| 193 | org.gnome.DisplayManager.Manager.GetDisplays |
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| 194 | */ |
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| 195 | gboolean |
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| 196 | gdm_local_display_factory_create_transient_display (GdmLocalDisplayFactory *factory, |
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| 197 | char **id, |
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| 198 | GError **error) |
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| 199 | { |
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| 200 | gboolean ret; |
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| 201 | GdmDisplay *display; |
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| 202 | guint32 num; |
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| 203 | |
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| 204 | g_return_val_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (factory), FALSE); |
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| 205 | |
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| 206 | ret = FALSE; |
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| 207 | |
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| 208 | num = take_next_display_number (factory); |
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| 209 | |
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| 210 | g_debug ("GdmLocalDisplayFactory: Creating transient display %d", num); |
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| 211 | |
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| 212 | display = gdm_transient_display_new (num); |
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| 213 | |
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| 214 | /* FIXME: don't hardcode seat1? */ |
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| 215 | g_object_set (display, "seat-id", CK_SEAT1_PATH, NULL); |
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| 216 | |
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| 217 | store_display (factory, num, display); |
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| 218 | |
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| 219 | if (! gdm_display_manage (display)) { |
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| 220 | display = NULL; |
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| 221 | goto out; |
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| 222 | } |
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| 223 | |
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| 224 | if (! gdm_display_get_id (display, id, NULL)) { |
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| 225 | display = NULL; |
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| 226 | goto out; |
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| 227 | } |
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| 228 | |
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| 229 | ret = TRUE; |
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| 230 | out: |
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| 231 | /* ref either held by store or not at all */ |
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| 232 | g_object_unref (display); |
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| 233 | |
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| 234 | return ret; |
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| 235 | } |
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| 236 | |
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| 237 | gboolean |
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| 238 | gdm_local_display_factory_create_product_display (GdmLocalDisplayFactory *factory, |
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| 239 | const char *parent_display_id, |
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| 240 | const char *relay_address, |
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| 241 | char **id, |
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| 242 | GError **error) |
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| 243 | { |
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| 244 | gboolean ret; |
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| 245 | GdmDisplay *display; |
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| 246 | guint32 num; |
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| 247 | |
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| 248 | g_return_val_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (factory), FALSE); |
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| 249 | |
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| 250 | ret = FALSE; |
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| 251 | |
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| 252 | g_debug ("GdmLocalDisplayFactory: Creating product display parent %s address:%s", |
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| 253 | parent_display_id, relay_address); |
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| 254 | |
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| 255 | num = take_next_display_number (factory); |
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| 256 | |
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| 257 | g_debug ("GdmLocalDisplayFactory: got display num %u", num); |
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| 258 | |
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| 259 | display = gdm_product_display_new (num, relay_address); |
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| 260 | |
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| 261 | /* FIXME: don't hardcode seat1? */ |
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| 262 | g_object_set (display, "seat-id", CK_SEAT1_PATH, NULL); |
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| 263 | |
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| 264 | store_display (factory, num, display); |
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| 265 | |
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| 266 | if (! gdm_display_manage (display)) { |
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| 267 | display = NULL; |
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| 268 | goto out; |
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| 269 | } |
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| 270 | |
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| 271 | if (! gdm_display_get_id (display, id, NULL)) { |
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| 272 | display = NULL; |
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| 273 | goto out; |
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| 274 | } |
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| 275 | |
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| 276 | ret = TRUE; |
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| 277 | out: |
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| 278 | /* ref either held by store or not at all */ |
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| 279 | g_object_unref (display); |
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| 280 | |
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| 281 | return ret; |
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| 282 | } |
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| 283 | |
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| 284 | static void |
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| 285 | on_static_display_status_changed (GdmDisplay *display, |
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| 286 | GParamSpec *arg1, |
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| 287 | GdmLocalDisplayFactory *factory) |
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| 288 | { |
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| 289 | int status; |
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| 290 | GdmDisplayStore *store; |
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| 291 | int num; |
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| 292 | |
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| 293 | num = -1; |
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| 294 | gdm_display_get_x11_display_number (display, &num, NULL); |
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| 295 | g_assert (num != -1); |
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| 296 | |
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| 297 | store = gdm_display_factory_get_display_store (GDM_DISPLAY_FACTORY (factory)); |
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| 298 | |
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| 299 | status = gdm_display_get_status (display); |
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| 300 | |
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| 301 | g_debug ("GdmLocalDisplayFactory: static display status changed: %d", status); |
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| 302 | switch (status) { |
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| 303 | case GDM_DISPLAY_FINISHED: |
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| 304 | /* remove the display number from factory->priv->displays |
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| 305 | so that it may be reused */ |
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| 306 | g_hash_table_remove (factory->priv->displays, GUINT_TO_POINTER (num)); |
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| 307 | gdm_display_store_remove (store, display); |
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| 308 | /* reset num failures */ |
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| 309 | factory->priv->num_failures = 0; |
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| 310 | create_display (factory); |
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| 311 | break; |
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| 312 | case GDM_DISPLAY_FAILED: |
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| 313 | /* leave the display number in factory->priv->displays |
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| 314 | so that it doesn't get reused */ |
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| 315 | gdm_display_store_remove (store, display); |
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| 316 | factory->priv->num_failures++; |
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| 317 | if (factory->priv->num_failures > MAX_DISPLAY_FAILURES) { |
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| 318 | /* oh shit */ |
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| 319 | g_warning ("GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors"); |
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| 320 | exit (1); |
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| 321 | } |
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| 322 | |
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| 323 | create_display (factory); |
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| 324 | break; |
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| 325 | case GDM_DISPLAY_UNMANAGED: |
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| 326 | break; |
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| 327 | case GDM_DISPLAY_PREPARED: |
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| 328 | break; |
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| 329 | case GDM_DISPLAY_MANAGED: |
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| 330 | break; |
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| 331 | default: |
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| 332 | g_assert_not_reached (); |
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| 333 | break; |
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| 334 | } |
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| 335 | } |
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| 336 | |
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| 337 | static GdmDisplay * |
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| 338 | create_display (GdmLocalDisplayFactory *factory) |
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| 339 | { |
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| 340 | GdmDisplay *display; |
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| 341 | guint32 num; |
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| 342 | |
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| 343 | num = take_next_display_number (factory); |
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| 344 | |
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| 345 | #if 0 |
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| 346 | display = gdm_static_factory_display_new (num); |
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| 347 | #else |
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| 348 | display = gdm_static_display_new (num); |
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| 349 | #endif |
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| 350 | if (display == NULL) { |
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| 351 | g_warning ("Unable to create display: %d", num); |
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| 352 | return NULL; |
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| 353 | } |
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| 354 | |
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| 355 | /* FIXME: don't hardcode seat1? */ |
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| 356 | g_object_set (display, "seat-id", CK_SEAT1_PATH, NULL); |
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| 357 | |
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| 358 | g_signal_connect (display, |
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| 359 | "notify::status", |
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| 360 | G_CALLBACK (on_static_display_status_changed), |
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| 361 | factory); |
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| 362 | |
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| 363 | store_display (factory, num, display); |
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| 364 | |
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| 365 | /* let store own the ref */ |
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| 366 | g_object_unref (display); |
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| 367 | |
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| 368 | if (! gdm_display_manage (display)) { |
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| 369 | gdm_display_unmanage (display); |
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| 370 | } |
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| 371 | |
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| 372 | return display; |
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| 373 | } |
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| 374 | |
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| 375 | #if 0 |
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| 376 | static void |
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| 377 | create_display_for_device (GdmLocalDisplayFactory *factory, |
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| 378 | DBusGProxy *device_proxy) |
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| 379 | { |
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| 380 | create_display (factory); |
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| 381 | } |
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| 382 | |
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| 383 | static void |
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| 384 | create_displays_for_pci_devices (GdmLocalDisplayFactory *factory) |
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| 385 | { |
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| 386 | char **devices; |
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| 387 | const char *key; |
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| 388 | const char *value; |
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| 389 | GError *error; |
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| 390 | gboolean res; |
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| 391 | int i; |
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| 392 | |
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| 393 | g_debug ("GdmLocalDisplayFactory: Getting PCI seat devices"); |
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| 394 | |
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| 395 | key = "info.bus"; |
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| 396 | value = "pci"; |
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| 397 | |
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| 398 | devices = NULL; |
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| 399 | error = NULL; |
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| 400 | res = dbus_g_proxy_call (factory->priv->proxy, |
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| 401 | "FindDeviceStringMatch", |
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| 402 | &error, |
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| 403 | G_TYPE_STRING, key, |
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| 404 | G_TYPE_STRING, value, |
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| 405 | G_TYPE_INVALID, |
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| 406 | G_TYPE_STRV, &devices, |
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| 407 | G_TYPE_INVALID); |
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| 408 | if (! res) { |
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| 409 | g_warning ("Unable to query HAL: %s", error->message); |
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| 410 | g_error_free (error); |
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| 411 | } |
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| 412 | |
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| 413 | /* now look for pci class 3 */ |
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| 414 | key = "pci.device_class"; |
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| 415 | for (i = 0; devices [i] != NULL; i++) { |
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| 416 | DBusGProxy *device_proxy; |
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| 417 | int class_val; |
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| 418 | |
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| 419 | device_proxy = dbus_g_proxy_new_for_name (factory->priv->connection, |
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| 420 | HAL_DBUS_NAME, |
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| 421 | devices [i], |
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| 422 | HAL_DBUS_DEVICE_INTERFACE); |
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| 423 | if (device_proxy == NULL) { |
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| 424 | continue; |
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| 425 | } |
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| 426 | |
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| 427 | error = NULL; |
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| 428 | res = dbus_g_proxy_call (device_proxy, |
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| 429 | "GetPropertyInteger", |
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| 430 | &error, |
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| 431 | G_TYPE_STRING, key, |
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| 432 | G_TYPE_INVALID, |
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| 433 | G_TYPE_INT, &class_val, |
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| 434 | G_TYPE_INVALID); |
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| 435 | if (! res) { |
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| 436 | g_warning ("Unable to query HAL: %s", error->message); |
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| 437 | g_error_free (error); |
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| 438 | } |
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| 439 | |
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| 440 | if (class_val == SEAT_PCI_DEVICE_CLASS) { |
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| 441 | g_debug ("GdmLocalDisplayFactory: Found device: %s", devices [i]); |
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| 442 | create_display_for_device (factory, device_proxy); |
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| 443 | } |
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| 444 | |
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| 445 | g_object_unref (device_proxy); |
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| 446 | } |
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| 447 | |
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| 448 | g_strfreev (devices); |
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| 449 | } |
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| 450 | #endif |
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| 451 | |
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| 452 | static gboolean |
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| 453 | gdm_local_display_factory_start (GdmDisplayFactory *base_factory) |
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| 454 | { |
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| 455 | gboolean ret; |
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| 456 | GdmLocalDisplayFactory *factory = GDM_LOCAL_DISPLAY_FACTORY (base_factory); |
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| 457 | |
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| 458 | g_return_val_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (factory), FALSE); |
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| 459 | |
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| 460 | ret = TRUE; |
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| 461 | |
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| 462 | /* FIXME: use seat configuration */ |
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| 463 | #if 0 |
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| 464 | create_displays_for_pci_devices (factory); |
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| 465 | #else |
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| 466 | create_display (factory); |
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| 467 | #endif |
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| 468 | |
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| 469 | return ret; |
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| 470 | } |
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| 471 | |
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| 472 | static gboolean |
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| 473 | gdm_local_display_factory_stop (GdmDisplayFactory *base_factory) |
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| 474 | { |
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| 475 | GdmLocalDisplayFactory *factory = GDM_LOCAL_DISPLAY_FACTORY (base_factory); |
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| 476 | |
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| 477 | g_return_val_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (factory), FALSE); |
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| 478 | |
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| 479 | return TRUE; |
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| 480 | } |
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| 481 | |
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| 482 | static void |
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| 483 | gdm_local_display_factory_set_property (GObject *object, |
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| 484 | guint prop_id, |
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| 485 | const GValue *value, |
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| 486 | GParamSpec *pspec) |
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| 487 | { |
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| 488 | switch (prop_id) { |
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| 489 | default: |
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| 490 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 491 | break; |
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| 492 | } |
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| 493 | } |
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| 494 | |
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| 495 | static void |
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| 496 | gdm_local_display_factory_get_property (GObject *object, |
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| 497 | guint prop_id, |
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| 498 | GValue *value, |
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| 499 | GParamSpec *pspec) |
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| 500 | { |
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| 501 | switch (prop_id) { |
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| 502 | default: |
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| 503 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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| 504 | break; |
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| 505 | } |
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| 506 | } |
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| 507 | |
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| 508 | static gboolean |
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| 509 | register_factory (GdmLocalDisplayFactory *factory) |
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| 510 | { |
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| 511 | GError *error = NULL; |
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| 512 | |
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| 513 | error = NULL; |
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| 514 | factory->priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); |
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| 515 | if (factory->priv->connection == NULL) { |
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| 516 | if (error != NULL) { |
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| 517 | g_critical ("error getting system bus: %s", error->message); |
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| 518 | g_error_free (error); |
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| 519 | } |
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| 520 | exit (1); |
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| 521 | } |
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| 522 | |
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| 523 | dbus_g_connection_register_g_object (factory->priv->connection, GDM_LOCAL_DISPLAY_FACTORY_DBUS_PATH, G_OBJECT (factory)); |
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| 524 | |
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| 525 | return TRUE; |
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| 526 | } |
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| 527 | |
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| 528 | static gboolean |
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| 529 | connect_to_hal (GdmLocalDisplayFactory *factory) |
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| 530 | { |
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| 531 | factory->priv->proxy = dbus_g_proxy_new_for_name (factory->priv->connection, |
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| 532 | HAL_DBUS_NAME, |
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| 533 | HAL_DBUS_MANAGER_PATH, |
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| 534 | HAL_DBUS_MANAGER_INTERFACE); |
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| 535 | if (factory->priv->proxy == NULL) { |
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| 536 | g_warning ("Couldn't create proxy for HAL Manager"); |
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| 537 | return FALSE; |
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| 538 | } |
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| 539 | |
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| 540 | return TRUE; |
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| 541 | } |
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| 542 | |
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| 543 | static void |
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| 544 | disconnect_from_hal (GdmLocalDisplayFactory *factory) |
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| 545 | { |
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| 546 | if (factory->priv->proxy == NULL) { |
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| 547 | g_object_unref (factory->priv->proxy); |
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| 548 | } |
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| 549 | } |
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| 550 | |
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| 551 | static GObject * |
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| 552 | gdm_local_display_factory_constructor (GType type, |
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| 553 | guint n_construct_properties, |
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| 554 | GObjectConstructParam *construct_properties) |
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| 555 | { |
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| 556 | GdmLocalDisplayFactory *factory; |
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| 557 | gboolean res; |
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| 558 | |
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| 559 | factory = GDM_LOCAL_DISPLAY_FACTORY (G_OBJECT_CLASS (gdm_local_display_factory_parent_class)->constructor (type, |
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| 560 | n_construct_properties, |
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| 561 | construct_properties)); |
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| 562 | |
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| 563 | res = register_factory (factory); |
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| 564 | if (! res) { |
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| 565 | g_warning ("Unable to register local display factory with system bus"); |
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| 566 | } |
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| 567 | |
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| 568 | connect_to_hal (factory); |
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| 569 | |
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| 570 | return G_OBJECT (factory); |
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| 571 | } |
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| 572 | |
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| 573 | static void |
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| 574 | gdm_local_display_factory_class_init (GdmLocalDisplayFactoryClass *klass) |
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| 575 | { |
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| 576 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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| 577 | GdmDisplayFactoryClass *factory_class = GDM_DISPLAY_FACTORY_CLASS (klass); |
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| 578 | |
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| 579 | object_class->get_property = gdm_local_display_factory_get_property; |
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| 580 | object_class->set_property = gdm_local_display_factory_set_property; |
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| 581 | object_class->finalize = gdm_local_display_factory_finalize; |
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| 582 | object_class->constructor = gdm_local_display_factory_constructor; |
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| 583 | |
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| 584 | factory_class->start = gdm_local_display_factory_start; |
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| 585 | factory_class->stop = gdm_local_display_factory_stop; |
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| 586 | |
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| 587 | g_type_class_add_private (klass, sizeof (GdmLocalDisplayFactoryPrivate)); |
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| 588 | |
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| 589 | dbus_g_object_type_install_info (GDM_TYPE_LOCAL_DISPLAY_FACTORY, &dbus_glib_gdm_local_display_factory_object_info); |
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| 590 | } |
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| 591 | |
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| 592 | static void |
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| 593 | gdm_local_display_factory_init (GdmLocalDisplayFactory *factory) |
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| 594 | { |
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| 595 | factory->priv = GDM_LOCAL_DISPLAY_FACTORY_GET_PRIVATE (factory); |
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| 596 | |
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| 597 | factory->priv->displays = g_hash_table_new (NULL, NULL); |
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| 598 | } |
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| 599 | |
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| 600 | static void |
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| 601 | gdm_local_display_factory_finalize (GObject *object) |
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| 602 | { |
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| 603 | GdmLocalDisplayFactory *factory; |
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| 604 | |
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| 605 | g_return_if_fail (object != NULL); |
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| 606 | g_return_if_fail (GDM_IS_LOCAL_DISPLAY_FACTORY (object)); |
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| 607 | |
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| 608 | factory = GDM_LOCAL_DISPLAY_FACTORY (object); |
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| 609 | |
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| 610 | g_return_if_fail (factory->priv != NULL); |
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| 611 | |
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| 612 | g_hash_table_destroy (factory->priv->displays); |
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| 613 | |
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| 614 | disconnect_from_hal (factory); |
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| 615 | |
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| 616 | G_OBJECT_CLASS (gdm_local_display_factory_parent_class)->finalize (object); |
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| 617 | } |
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| 618 | |
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| 619 | GdmLocalDisplayFactory * |
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| 620 | gdm_local_display_factory_new (GdmDisplayStore *store) |
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| 621 | { |
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| 622 | if (local_display_factory_object != NULL) { |
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| 623 | g_object_ref (local_display_factory_object); |
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| 624 | } else { |
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| 625 | local_display_factory_object = g_object_new (GDM_TYPE_LOCAL_DISPLAY_FACTORY, |
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| 626 | "display-store", store, |
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| 627 | NULL); |
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| 628 | g_object_add_weak_pointer (local_display_factory_object, |
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| 629 | (gpointer *) &local_display_factory_object); |
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| 630 | } |
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| 631 | |
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| 632 | return GDM_LOCAL_DISPLAY_FACTORY (local_display_factory_object); |
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| 633 | } |
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