xref: /qemu/ui/dbus.h (revision 8b7b9c5c) 
1 /*
2  * QEMU DBus display
3  *
4  * Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef UI_DBUS_H
26 #define UI_DBUS_H
27 
28 #include "chardev/char-socket.h"
29 #include "qemu/dbus.h"
30 #include "qom/object.h"
31 #include "ui/console.h"
32 #include "ui/clipboard.h"
33 
34 #include "ui/dbus-display1.h"
35 
36 typedef struct DBusClipboardRequest {
37     GDBusMethodInvocation *invocation;
38     QemuClipboardType type;
39     guint timeout_id;
40 } DBusClipboardRequest;
41 
42 struct DBusDisplay {
43     Object parent;
44 
45     DisplayGLMode gl_mode;
46     bool p2p;
47     char *dbus_addr;
48     char *audiodev;
49     DisplayGLCtx glctx;
50 
51     GDBusConnection *bus;
52     GDBusObjectManagerServer *server;
53     QemuDBusDisplay1VM *iface;
54     GPtrArray *consoles;
55     GCancellable *add_client_cancellable;
56 
57     QemuClipboardPeer clipboard_peer;
58     QemuDBusDisplay1Clipboard *clipboard;
59     QemuDBusDisplay1Clipboard *clipboard_proxy;
60     DBusClipboardRequest clipboard_request[QEMU_CLIPBOARD_SELECTION__COUNT];
61 
62     Notifier notifier;
63 };
64 
65 #ifdef WIN32
66 bool
67 dbus_win32_import_socket(GDBusMethodInvocation *invocation,
68                          GVariant *arg_listener, int *socket);
69 #endif
70 
71 #define TYPE_DBUS_DISPLAY "dbus-display"
72 OBJECT_DECLARE_SIMPLE_TYPE(DBusDisplay, DBUS_DISPLAY)
73 
74 void dbus_display_notifier_add(Notifier *notifier);
75 
76 #define DBUS_DISPLAY_TYPE_CONSOLE dbus_display_console_get_type()
77 G_DECLARE_FINAL_TYPE(DBusDisplayConsole,
78                      dbus_display_console,
79                      DBUS_DISPLAY,
80                      CONSOLE,
81                      GDBusObjectSkeleton)
82 
83 DBusDisplayConsole *
84 dbus_display_console_new(DBusDisplay *display, QemuConsole *con);
85 
86 int
87 dbus_display_console_get_index(DBusDisplayConsole *ddc);
88 
89 
90 extern const DisplayChangeListenerOps dbus_console_dcl_ops;
91 
92 #define DBUS_DISPLAY_TYPE_LISTENER dbus_display_listener_get_type()
93 G_DECLARE_FINAL_TYPE(DBusDisplayListener,
94                      dbus_display_listener,
95                      DBUS_DISPLAY,
96                      LISTENER,
97                      GObject)
98 
99 DBusDisplayListener *
100 dbus_display_listener_new(const char *bus_name,
101                           GDBusConnection *conn,
102                           DBusDisplayConsole *console);
103 
104 DBusDisplayConsole *
105 dbus_display_listener_get_console(DBusDisplayListener *ddl);
106 
107 const char *
108 dbus_display_listener_get_bus_name(DBusDisplayListener *ddl);
109 
110 extern const DisplayChangeListenerOps dbus_gl_dcl_ops;
111 extern const DisplayChangeListenerOps dbus_dcl_ops;
112 
113 #define TYPE_CHARDEV_DBUS "chardev-dbus"
114 
115 typedef struct DBusChardevClass {
116     SocketChardevClass parent_class;
117 
118     void (*parent_chr_be_event)(Chardev *s, QEMUChrEvent event);
119 } DBusChardevClass;
120 
121 DECLARE_CLASS_CHECKERS(DBusChardevClass, DBUS_CHARDEV,
122                        TYPE_CHARDEV_DBUS)
123 
124 typedef struct DBusChardev {
125     SocketChardev parent;
126 
127     bool exported;
128     QemuDBusDisplay1Chardev *iface;
129 } DBusChardev;
130 
131 DECLARE_INSTANCE_CHECKER(DBusChardev, DBUS_CHARDEV, TYPE_CHARDEV_DBUS)
132 
133 #define CHARDEV_IS_DBUS(chr) \
134     object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_DBUS)
135 
136 typedef enum {
137     DBUS_DISPLAY_CHARDEV_OPEN,
138     DBUS_DISPLAY_CHARDEV_CLOSE,
139 } DBusDisplayEventType;
140 
141 typedef struct DBusDisplayEvent {
142     DBusDisplayEventType type;
143     union {
144         DBusChardev *chardev;
145     };
146 } DBusDisplayEvent;
147 
148 void dbus_display_notify(DBusDisplayEvent *event);
149 
150 void dbus_chardev_init(DBusDisplay *dpy);
151 
152 void dbus_clipboard_init(DBusDisplay *dpy);
153 
154 #endif /* UI_DBUS_H */
155