client_machine.h [kde-workspace/kwin/client_machine.h]

1	/********************************************************************
2	KWin - the KDE window manager
3	This file is part of the KDE project.
4
5	Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 2 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*********************************************************************/
20	#ifndef KWIN_CLIENT_MACHINE_H
21	#define KWIN_CLIENT_MACHINE_H
22
23	#include <QObject>
24	#include <xcb/xcb.h>
25
26	// forward declaration
27	struct addrinfo;
28	template <typename T>
29	class QFutureWatcher;
30
31	namespace KWin {
32
33	class GetAddrInfo : public QObject
34	{
35	Q_OBJECT
36	public:
37	explicit GetAddrInfo(const QByteArray &hostName, QObject *parent = NULL);
38	virtual ~GetAddrInfo();
39
40	void resolve();
41
42	Q_SIGNALS:
43	void local();
44
45	private Q_SLOTS:
46	void slotResolved();
47	void slotOwnAddressResolved();
48
49	private:
50	void compare();
51	bool resolved(QFutureWatcher<int> *watcher);
52	bool m_resolving;
53	bool m_resolved;
54	bool m_ownResolved;
55	QByteArray m_hostName;
56	addrinfo *m_addressHints;
57	addrinfo *m_address;
58	addrinfo *m_ownAddress;
59	QFutureWatcher<int> *m_watcher;
60	QFutureWatcher<int> *m_ownAddressWatcher;
61	};
62
63	class ClientMachine : public QObject
64	{
65	Q_OBJECT
66	public:
67	explicit ClientMachine(QObject *parent = NULL);
68	virtual ~ClientMachine();
69
70	void resolve(xcb_window_t window, xcb_window_t clientLeader);
71	const QByteArray &hostName() const;
72	bool isLocal() const;
73	static QByteArray localhost();
74	bool isResolving() const;
75
76	Q_SIGNALS:
77	void localhostChanged();
78
79	private Q_SLOTS:
80	void setLocal();
81	void resolveFinished();
82
83	private:
84	void checkForLocalhost();
85	QByteArray m_hostName;
86	bool m_localhost;
87	bool m_resolved;
88	bool m_resolving;
89	};
90
91	inline
92	bool ClientMachine::isLocal() const
93	{
94	return m_localhost;
95	}
96
97	inline
98	const QByteArray &ClientMachine::hostName() const
99	{
100	return m_hostName;
101	}
102
103	inline
104	QByteArray ClientMachine::localhost()
105	{
106	return "localhost";
107	}
108
109	inline
110	bool ClientMachine::isResolving() const
111	{
112	return m_resolving;
113	}
114
115	} // namespace
116
117	#endif
118