git.iko.soy/unity8
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unity8/plugins/Unity/Launcher/dbusinterface.cpp
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1/*
2 * Copyright 2014 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 * Authors:
17 * Michael Zanetti <michael.zanetti@canonical.com>
18 */
20#include "dbusinterface.h"
21#include "launchermodel.h"
22#include "launcheritem.h"
24#include <QDBusArgument>
25#include <QDBusConnection>
26#include <QDBusMessage>
27#include <QDebug>
29DBusInterface::DBusInterface(LauncherModel *parent):
30 UnityDBusVirtualObject("/com/canonical/Unity/Launcher", "com.canonical.Unity.Launcher", true, parent),
31 m_launcherModel(parent)
35QString DBusInterface::introspect(const QString &path) const
37 /* This case we should just list the nodes */
38 if (path == "/com/canonical/Unity/Launcher/" || path == "/com/canonical/Unity/Launcher") {
39 QString nodes;
41 // Add Refresh to introspect
42 nodes = "<interface name=\"com.canonical.Unity.Launcher\">"
43 "<method name=\"Refresh\"/>"
44 "</interface>";
46 // Add dynamic properties for launcher emblems
47 for (int i = 0; i < m_launcherModel->rowCount(); i++) {
48 nodes.append("<node name=\"");
49 nodes.append(encodeAppId(m_launcherModel->get(i)->appId()));
50 nodes.append("\"/>\n");
51 }
52 return nodes;
53 }
55 /* Should not happen, but let's handle it */
56 if (!path.startsWith("/com/canonical/Unity/Launcher")) {
57 return "";
58 }
60 /* Now we should be looking at a node */
61 QString nodeiface =
62 "<interface name=\"com.canonical.Unity.Launcher.Item\">"
63 "<property name=\"count\" type=\"i\" access=\"readwrite\" />"
64 "<property name=\"countVisible\" type=\"b\" access=\"readwrite\" />"
65 "</interface>";
66 return nodeiface;
70QString DBusInterface::decodeAppId(const QString& path)
72 QByteArray bytes = path.toUtf8();
73 QByteArray decoded;
75 for (int i = 0; i < bytes.size(); ++i) {
76 char chr = bytes.at(i);
78 if (chr == '_') {
79 QString number;
80 number.append(bytes.at(i+1));
81 number.append(bytes.at(i+2));
83 bool okay;
84 char newchar = number.toUInt(&okay, 16);
85 if (okay)
86 decoded.append(newchar);
88 i += 2;
89 } else {
90 decoded.append(chr);
91 }
92 }
94 return QString::fromUtf8(decoded);
97QString DBusInterface::encodeAppId(const QString& appId)
99 QByteArray bytes = appId.toUtf8();
100 QString encoded;
102 for (int i = 0; i < bytes.size(); ++i) {
103 uchar chr = bytes.at(i);
105 if ((chr >= 'a' && chr <= 'z') ||
106 (chr >= 'A' && chr <= 'Z') ||
107 (chr >= '0' && chr <= '9'&& i != 0)) {
108 encoded.append(chr);
109 } else {
110 QString hexval = QString("_%1").arg(chr, 2, 16, QChar('0'));
111 encoded.append(hexval.toUpper());
112 }
113 }
115 return encoded;
118bool DBusInterface::handleMessage(const QDBusMessage& message, const QDBusConnection& connection)
120 /* Check to make sure we're getting properties on our interface */
121 if (message.type() != QDBusMessage::MessageType::MethodCallMessage) {
122 return false;
123 }
125 // First handle methods of the Launcher interface
126 if (message.interface() == "com.canonical.Unity.Launcher") {
127 if (message.member() == "Refresh") {
128 QDBusMessage reply = message.createReply();
129 Q_EMIT refreshCalled();
130 return connection.send(reply);
131 }
132 }
134 // Now handle dynamic properties (for launcher emblems)
135 if (message.interface() != "org.freedesktop.DBus.Properties") {
136 return false;
137 }
139 if (message.member() != "GetAll" && message.arguments()[0].toString() != "com.canonical.Unity.Launcher.Item") {
140 return false;
141 }
143 /* Break down the path to just the app id */
144 QString pathtemp = message.path();
145 if (!pathtemp.startsWith("/com/canonical/Unity/Launcher/")) {
146 return false;
147 }
148 pathtemp.remove("/com/canonical/Unity/Launcher/");
149 if (pathtemp.indexOf('/') >= 0) {
150 return false;
151 }
153 /* Find ourselves an appid */
154 QString appid = decodeAppId(pathtemp);
155 int index = m_launcherModel->findApplication(appid);
156 LauncherItem *item = static_cast<LauncherItem*>(m_launcherModel->get(index));
158 QVariantList retval;
159 if (message.member() == "Get") {
160 if (!item) {
161 return false;
162 }
163 if (message.arguments()[1].toString() == "count") {
164 retval.append(QVariant::fromValue(QDBusVariant(item->count())));
165 } else if (message.arguments()[1].toString() == "countVisible") {
166 retval.append(QVariant::fromValue(QDBusVariant(item->countVisible())));
167 }
168 } else if (message.member() == "Set") {
169 if (message.arguments()[1].toString() == "count") {
170 int newCount = message.arguments()[2].value<QDBusVariant>().variant().toInt();
171 if (!item || newCount != item->count()) {
172 Q_EMIT countChanged(appid, newCount);
173 notifyPropertyChanged("com.canonical.Unity.Launcher.Item", encodeAppId(appid), "count", QVariant(newCount));
174 }
175 } else if (message.arguments()[1].toString() == "countVisible") {
176 bool newVisible = message.arguments()[2].value<QDBusVariant>().variant().toBool();
177 if (!item || newVisible != item->countVisible()) {
178 Q_EMIT countVisibleChanged(appid, newVisible);
179 notifyPropertyChanged("com.canonical.Unity.Launcher.Item", encodeAppId(appid), "countVisible", newVisible);
180 }
181 }
182 } else if (message.member() == "GetAll") {
183 if (item) {
184 QVariantMap all;
185 all.insert("count", item->count());
186 all.insert("countVisible", item->countVisible());
187 retval.append(all);
188 }
189 } else {
190 return false;
191 }
193 QDBusMessage reply = message.createReply(retval);
194 return connection.send(reply);