Differential D26993 Diff 74669 libkworkspace/updatelaunchenvjob.cpp

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libkworkspace/updatelaunchenvjob.cpp

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1		/*
2		Copyright (C) 2020 Kai Uwe Broulik <kde@broulik.de>
3
4		This program is free software; you can redistribute it and/or
5		modify it under the terms of the Lesser GNU General Public
6		License as published by the Free Software Foundation; either
7		version 2 of the License, or (at your option) any later version.
8
9		This program is distributed in the hope that it will be useful,
10		but WITHOUT ANY WARRANTY; without even the implied warranty of
11		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12		General Public License for more details.
13
14		You should have received a copy of the Lesser GNU General Public License
15		along with this program; see the file COPYING. If not, write to
16		the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17		Boston, MA 02110-1301, USA.
18		*/
19
20		#include "updatelaunchenvjob.h"
21
22		#include <klauncher_interface.h>
23		#include <startup_interface.h>
24
25		class Q_DECL_HIDDEN UpdateLaunchEnvJob::Private
26		{
27		public:
28		explicit Private(UpdateLaunchEnvJob *q);
29		void monitorReply(const QDBusPendingReply<> &reply);
30
31		UpdateLaunchEnvJob *q;
32		QString varName;
33		QString value;
34		int pendingReplies = 0;
35		};
36
37		UpdateLaunchEnvJob::Private::Private(UpdateLaunchEnvJob *q)
38		: q(q)
39		{
40
41		}
42
43		void UpdateLaunchEnvJob::Private::monitorReply(const QDBusPendingReply<> &reply)
44		{
45		++pendingReplies;
46
47		auto *watcher = new QDBusPendingCallWatcher(reply, q);
48		QObject::connect(watcher, &QDBusPendingCallWatcher::finished, q, [this](QDBusPendingCallWatcher *watcher) {
49		watcher->deleteLater();
50		--pendingReplies;
51
52		if (pendingReplies == 0) {
53		q->emitResult();
54		}
55		});
56		}
57
58		UpdateLaunchEnvJob::UpdateLaunchEnvJob(const QString &varName, const QString &value)
59		: d(new Private(this))
60		{
61		d->varName = varName;
62		d->value = value;
63		}
64
65		UpdateLaunchEnvJob::~UpdateLaunchEnvJob()
66		{
67		delete d;
68		}
69
70		void UpdateLaunchEnvJob::start()
71		{
72		// KLauncher
73		org::kde::KLauncher klauncher(QStringLiteral("org.kde.klauncher5"),
74		QStringLiteral("/KLauncher"),
75		QDBusConnection::sessionBus());
76		auto klauncherReply = klauncher.setLaunchEnv(d->varName, d->value);
77		d->monitorReply(klauncherReply);
78
79		// plasma-session
80		org::kde::Startup startup(QStringLiteral("org.kde.Startup"),
	davidedmundsonUnsubmitted Not Done Not quite. It's plasma-session It spawns processes, which in turn might update the launch env, that we should have that env when we spawn the next round of processes. davidedmundson: Not quite. It's plasma-session It spawns processes, which in turn might update the launch env…
81		QStringLiteral("/Startup"),
82		QDBusConnection::sessionBus());
83		auto startupReply = startup.updateLaunchEnv(d->varName, d->value);
84		d->monitorReply(startupReply);
85
86		// DBus-activation environment
87		qDBusRegisterMetaType<QMap<QString, QString>>();
88		const QMap<QString, QString> dbusActivationEnv{
89		{d->varName, d->value}
90		};
91
92		QDBusMessage dbusActivationMsg = QDBusMessage::createMethodCall(QStringLiteral("org.freedesktop.DBus"),
93		QStringLiteral("/org/freedesktop/DBus"),
94		QStringLiteral("org.freedesktop.DBus"),
95		QStringLiteral("UpdateActivationEnvironment"));
96		dbusActivationMsg.setArguments({QVariant::fromValue(dbusActivationEnv)});
97
98		auto dbusActivationReply = QDBusConnection::sessionBus().asyncCall(dbusActivationMsg);
99		d->monitorReply(dbusActivationReply);
100		}
101