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[qbat.git] / powermanager.cpp
blobe3298babd359c63d6d652a9ee227308d8c059654
1 //
2 // C++ Implementation: cpowermanager
3 //
4 // Author: Oliver Groß <z.o.gross@gmx.de>, (C) 2008
5 //
6 // Copyright: See COPYING file that comes with this distribution
7 //
8 #include <QtGui>
9 #include "powermanager.h"
10 #include "common.h"
11 #include "settings.h"
12 #include "batteryicon.h"
13
14 namespace qbat {
15 using namespace std;
16
17 CPowerManager::CPowerManager(QObject * parent) :
18 QObject(parent),
19 m_SysfsDir(UI_PATH_SYSFS_DIR),
20 m_SettingsFile(UI_FILE_CONFIG, QSettings::IniFormat, this),
21 m_DefaultTrayIcon(QIcon(UI_ICON_QBAT), this)
22 {
23 readSettings();
24 m_ContextMenu.addAction(tr("&Settings"), this, SLOT(showSettings()))->setEnabled(m_SysfsDir.exists());
25 m_ContextMenu.addAction(tr("&About"), this, SLOT(showAbout()));
26 m_ContextMenu.addSeparator();
27 m_ContextMenu.addAction(tr("&Quit"), qApp, SLOT(quit()));
28
29 m_DefaultTrayIcon.setContextMenu(&m_ContextMenu);
30
31 timerEvent(NULL);
32 if (m_SysfsDir.exists()) {
33 m_Timer = startTimer(m_Settings.pollingRate);
34 }
35 }
36
37 CPowerManager::~CPowerManager() {
38 killTimer(m_Timer);
39 writeSettings();
40 }
41
42 inline void CPowerManager::readSettings() {
43 m_SettingsFile.beginGroup("Main");
44 m_Settings.pollingRate = m_SettingsFile.value("pollingRate", 3000).toUInt();
45 m_SettingsFile.endGroup();
46
47 m_SettingsFile.beginGroup("TrayIcons");
48 m_Settings.mergeBatterys = m_SettingsFile.value("mergeBatterys", true).toBool();
49 m_Settings.colors[UI_COLOR_PEN] = m_SettingsFile.value("textColor", 0).toUInt();
50 m_Settings.colors[UI_COLOR_PEN_FULL] = m_SettingsFile.value("textFullColor", 0).toUInt();
51 m_Settings.colors[UI_COLOR_BRUSH_CHARGED] = m_SettingsFile.value("mainChargedColor", qRgb( 0, 255, 0)).toUInt();
52 m_Settings.colors[UI_COLOR_BRUSH_EMPTY] = m_SettingsFile.value("mainEmptyColor", qRgb(255, 255, 255)).toUInt();
53 m_Settings.colors[UI_COLOR_BRUSH_FULL] = m_SettingsFile.value("mainFullColor", m_Settings.colors[UI_COLOR_BRUSH_CHARGED]).toUInt();
54 m_Settings.colors[UI_COLOR_BRUSH_POLE] = m_SettingsFile.value("poleColor", qRgb(255, 255, 0)).toUInt();
55 m_Settings.colors[UI_COLOR_BRUSH_POLE_FULL] = m_SettingsFile.value("poleFullColor", m_Settings.colors[UI_COLOR_BRUSH_POLE]).toUInt();
56 m_SettingsFile.endGroup();
57
58 m_SettingsFile.beginGroup("CriticalEvent");
59 m_Settings.handleCritical = m_SettingsFile.value("handle", false).toBool();
60 m_Settings.criticalCapacity = m_SettingsFile.value("criticalCapacity", 7).toUInt();
61 m_Settings.executeCommand = m_SettingsFile.value("executeCommand", false).toBool();
62 m_Settings.criticalCommand = m_SettingsFile.value("command", "").toString();
63 m_SettingsFile.endGroup();
64 }
65
66 inline void CPowerManager::writeSettings() {
67 m_SettingsFile.beginGroup("Main");
68 m_SettingsFile.setValue("pollingRate", m_Settings.pollingRate);
69 m_SettingsFile.endGroup();
70
71 m_SettingsFile.beginGroup("TrayIcons");
72 m_SettingsFile.setValue("mergeBatterys", m_Settings.mergeBatterys);
73 m_SettingsFile.setValue("textColor", m_Settings.colors[UI_COLOR_PEN]);
74 m_SettingsFile.setValue("textFullColor", m_Settings.colors[UI_COLOR_PEN_FULL]);
75 m_SettingsFile.setValue("mainChargedColor", m_Settings.colors[UI_COLOR_BRUSH_CHARGED]);
76 m_SettingsFile.setValue("mainEmptyColor", m_Settings.colors[UI_COLOR_BRUSH_EMPTY]);
77 m_SettingsFile.setValue("mainFullColor", m_Settings.colors[UI_COLOR_BRUSH_FULL]);
78 m_SettingsFile.setValue("poleColor", m_Settings.colors[UI_COLOR_BRUSH_POLE]);
79 m_SettingsFile.setValue("poleFullColor", m_Settings.colors[UI_COLOR_BRUSH_POLE_FULL]);
80 m_SettingsFile.endGroup();
81
82 m_SettingsFile.beginGroup("CriticalEvent");
83 m_SettingsFile.setValue("handle", m_Settings.handleCritical);
84 m_SettingsFile.setValue("criticalCapacity", m_Settings.criticalCapacity);
85 m_SettingsFile.setValue("executeCommand", m_Settings.executeCommand);
86 m_SettingsFile.setValue("command", m_Settings.criticalCommand);
87 m_SettingsFile.endGroup();
88 }
89
90 void CPowerManager::timerEvent(QTimerEvent *) {
91 updateData();
92 }
93
94 void CPowerManager::updateData() {
95 if (m_SysfsDir.exists()) {
96 bool acPlug = false;
97 QStringList powerSupplies = m_SysfsDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
98
99 int chargeFull = 0;
100 int chargeFullDesign = 0;
101 int chargeNow = 0;
102 int currentNow = 0;
103 int status = 0;
104
105 int relativeCapacity = 100;
106
107 if (m_Settings.mergeBatterys) {
108 int batteryCount = 0;
109 foreach(QString i, powerSupplies) {
110 string buffer = readStringSysFile(m_SysfsDir.filePath(i + "/type").toAscii().constData());
111
112 if ((!acPlug) && (buffer == "Mains")) {
113 if (1 == readIntSysFile(m_SysfsDir.filePath(i + "/online").toAscii().constData()))
114 acPlug = true;
115 }
116 else if (buffer == "Battery") {
117 chargeFull += readIntSysFile(m_SysfsDir.filePath(i + "/charge_full").toAscii().constData());
118 chargeFullDesign += readIntSysFile(m_SysfsDir.filePath(i + "/charge_full_design").toAscii().constData());
119 chargeNow += readIntSysFile(m_SysfsDir.filePath(i + "/charge_now").toAscii().constData());
120 currentNow += readIntSysFile(m_SysfsDir.filePath(i + "/current_now").toAscii().constData());
121
122 int statusBuffer = toStatusInt(readStringSysFile(m_SysfsDir.filePath(i + "/status").toAscii().constData()));
123
124 if ((!status) || (statusBuffer != UI_BATTERY_FULL))
125 status = statusBuffer;
126
127 batteryCount++;
128 }
129 }
130
131 if (batteryCount) {
132 if (m_Settings.handleCritical)
133 relativeCapacity = (int)(100.0 * chargeNow / chargeFull);
134
135 chargeFull /= batteryCount;
136 chargeFullDesign /= batteryCount;
137 chargeNow /= batteryCount;
138 currentNow /= batteryCount;
139
140 if (!m_BatteryIcons.contains("merged")) {
141 if (!m_BatteryIcons.isEmpty()) {
142 foreach(CBatteryIcon * i, m_BatteryIcons) {
143 delete i;
144 }
145
146 m_BatteryIcons.clear();
147 }
148
149 CBatteryIcon * currentBatteryIcon = new CBatteryIcon("average", &m_Settings, &m_ContextMenu, this);
150 currentBatteryIcon->updateData(chargeFull, chargeFullDesign, chargeNow, currentNow, status);
151 m_BatteryIcons.insert("merged", currentBatteryIcon);
152 }
153 else
154 m_BatteryIcons["merged"]->updateData(chargeFull, chargeFullDesign, chargeNow, currentNow, status);
155 }
156 else {
157 delete m_BatteryIcons.take("merged");
158 }
159 }
160 else {
161 QList<CBatteryIcon *> newBatteryIcons;
162 CBatteryIcon * currentBatteryIcon;
163
164 int chargeNowMid = 0;
165 int chargeFullMid = 0;
166
167 foreach(QString i, powerSupplies) {
168 string buffer = readStringSysFile(m_SysfsDir.filePath(i + "/type").toAscii().constData());
169
170 if (buffer == "Mains") {
171 if (1 == readIntSysFile(m_SysfsDir.filePath(i + "/online").toAscii().constData()))
172 acPlug = true;
173 }
174 else if (buffer == "Battery") {
175 chargeFull = readIntSysFile(m_SysfsDir.filePath(i + "/charge_full").toAscii().constData());
176 chargeFullDesign = readIntSysFile(m_SysfsDir.filePath(i + "/charge_full_design").toAscii().constData());
177 chargeNow = readIntSysFile(m_SysfsDir.filePath(i + "/charge_now").toAscii().constData());
178 currentNow = readIntSysFile(m_SysfsDir.filePath(i + "/current_now").toAscii().constData());
179 status = toStatusInt(readStringSysFile(m_SysfsDir.filePath(i + "/status").toAscii().constData()));
180
181 chargeFullMid += chargeFull;
182 chargeNowMid += chargeNow;
183
184 if (!m_BatteryIcons.contains(i)) {
185 currentBatteryIcon = new CBatteryIcon(i, &m_Settings, &m_ContextMenu, this);
186 currentBatteryIcon->updateData(chargeFull, chargeFullDesign, chargeNow, currentNow, status);
187 }
188 else {
189 currentBatteryIcon = m_BatteryIcons.take(i);
190 currentBatteryIcon->updateData(chargeFull, chargeFullDesign, chargeNow, currentNow, status);
191 }
192 newBatteryIcons << currentBatteryIcon;
193 }
194 }
195
196 foreach(CBatteryIcon * i, m_BatteryIcons) {
197 delete i;
198 }
199
200 m_BatteryIcons.clear();
201
202 foreach(CBatteryIcon * i, newBatteryIcons)
203 m_BatteryIcons.insert(i->batteryName(), i);
204
205 if (!m_BatteryIcons.isEmpty())
206 relativeCapacity = (int)(100.0 * chargeNowMid / chargeFullMid);
207 }
208
209
210 if (acPlug)
211 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter plugged in"));
212 else {
213 if ((m_Settings.handleCritical) && (relativeCapacity <= m_Settings.criticalCapacity)) {
214 if (m_Settings.executeCommand)
215 QProcess::startDetached(m_Settings.criticalCommand);
216 else
217 QMessageBox::warning(NULL, tr("QBat - critical battery capacity"),
218 tr("WARNING: The attached battery(s) reached the critical mark.\n\
219 Please make sure to save and shut down soon or provide another source of power."));
220 }
221 m_DefaultTrayIcon.setToolTip("QBat - " + tr("AC adapter unplugged"));
222 }
223 }
224 else
225 m_DefaultTrayIcon.setToolTip("QBat - " + tr("no information available"));
226
227 m_DefaultTrayIcon.setVisible(m_BatteryIcons.isEmpty());
228 }
229
230 void CPowerManager::restartTimer() {
231 killTimer(m_Timer);
232 m_Timer = startTimer(m_Settings.pollingRate);
233 }
234
235 void CPowerManager::showSettings() {
236 CSettings dialog;
237 connect(&dialog, SIGNAL(settingsChanged()), this, SLOT(updateData()));
238 connect(&dialog, SIGNAL(settingsChanged()), this, SLOT(restartTimer()));
239
240 dialog.execute(&m_Settings);
241 }
242
243 void CPowerManager::showAbout() {
244 QMessageBox aboutBox;
245
246 aboutBox.setWindowIcon(QIcon(UI_ICON_QBAT));
247 aboutBox.setIconPixmap(QPixmap(UI_ICON_QBAT));
248 aboutBox.setWindowTitle(tr("About QBat"));
249 aboutBox.setText(UI_NAME + "\nv" + QString(UI_VERSION));
250 aboutBox.setStandardButtons(QMessageBox::Ok);
251
252 aboutBox.exec();
253 }
254 }
Qt4 Systray Battery Monitor