plugins/Unity/Indicators/indicatorsmanager.cpp · unity8

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unity8/plugins/Unity/Indicators/indicatorsmanager.cpp

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1/*

3 *

4 * This program is free software; you can redistribute it and/or modify

5 * it under the terms of the GNU 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 General Public License for more details.

12 *

13 * You should have received a copy of the GNU General Public License

14 * along with this program. If not, see <http://www.gnu.org/licenses/>.

15 */

17#include "indicatorsmanager.h"

19#include <QSettings>

20#include <QDebug>

22#include <paths.h>

25class IndicatorsManager::IndicatorData

26{

27public:

28 IndicatorData(const QString& name, const QFileInfo& fileInfo)

29 : m_name(name)

30 , m_fileInfo(fileInfo)

31 , m_verified (true)

32 {

33 }

35 QString m_name;

36 QFileInfo m_fileInfo;

38 bool m_verified;

39 Indicator::Ptr m_indicator;

40};

42IndicatorsManager::IndicatorsManager(QObject* parent)

43 : QObject(parent)

44 , m_loaded(false)

45 , m_profile(QStringLiteral("phone"))

46{

47}

49IndicatorsManager::~IndicatorsManager()

50{

51 unload();

52}

54void IndicatorsManager::load()

55{

56 unload();

58 const QStringList xdgLocations = shellDataDirs();

60 m_fsWatcher.reset(new QFileSystemWatcher(this));

62 Q_FOREACH(const QString& xdgLocation, xdgLocations)

63 {

64 const QString indicator_path = QDir::cleanPath(xdgLocation + "/unity/indicators");

65 QDir indicator_dir(indicator_path);

66 if (indicator_dir.exists())

67 {

68 // watch folder for changes.

69 m_fsWatcher->addPath(indicator_path);

71 loadDir(indicator_dir);

72 }

73 }

75 QObject::connect(m_fsWatcher.data(), &QFileSystemWatcher::directoryChanged, this, &IndicatorsManager::onDirectoryChanged);

76 QObject::connect(m_fsWatcher.data(), &QFileSystemWatcher::fileChanged, this, &IndicatorsManager::onFileChanged);

77 setLoaded(true);

78}

80void IndicatorsManager::onDirectoryChanged(const QString& directory)

81{

82 loadDir(QDir(directory));

83}

85void IndicatorsManager::onFileChanged(const QString& file)

86{

87 QFileInfo file_info(file);

88 if (!file_info.exists())

89 {

90 unloadFile(file_info);

91 return;

92 }

93 else

94 {

95 loadFile(QFileInfo(file));

96 }

97}

99void IndicatorsManager::loadDir(const QDir& dir)

100{

101 startVerify(dir.canonicalPath());

102

103 const QFileInfoList indicator_files = dir.entryInfoList(QStringList(), QDir::Files|QDir::NoDotAndDotDot);

104 Q_FOREACH(const QFileInfo& indicator_file, indicator_files)

105 {

106 loadFile(indicator_file);

107 }

108

109 endVerify(dir.canonicalPath());

110}

111

112void IndicatorsManager::loadFile(const QFileInfo& file_info)

113{

114 QSettings indicator_settings(file_info.absoluteFilePath(), QSettings::IniFormat, this);

115 const QString name = indicator_settings.value(QStringLiteral("Indicator Service/Name")).toString();

116

117 if (m_platform.isPC() && name == QLatin1String("indicator-keyboard")) {

118 return; // convergence: skip this indicator until it works in Mir

119 }

120

121 auto iter = m_indicatorsData.constFind(name);

122 if (iter != m_indicatorsData.constEnd())

123 {

124 const QString newFileInfoDir = QDir::cleanPath(file_info.canonicalPath());

125 IndicatorData* currentData = (*iter);

126 currentData->m_verified = true;

127

128 int file_info_location = -1;

129 int current_data_location = -1;

130

131 const QString currentDataDir = QDir::cleanPath(currentData->m_fileInfo.canonicalPath());

132

133 // if we've already got this indicator, we need to make sure we're not overwriting data which is

134 // from a lower priority standard path

135 QStringList xdgLocations = shellDataDirs();

136 for (int i = 0; i < xdgLocations.size(); i++)

137 {

138 const QString indicatorDir = QDir::cleanPath(xdgLocations[i] + "/unity/indicators");

139

140 if (newFileInfoDir == indicatorDir)

141 {

142 file_info_location = i;

143 }

144 if (currentDataDir == indicatorDir)

145 {

146 current_data_location = i;

147 }

148

149 if (file_info_location != -1 && current_data_location != -1)

150 {

151 break;

152 }

153 }

154

155 // file location is higher (or of equal) priority. overwrite.

156 if (file_info_location <= current_data_location &&

157 file_info != currentData->m_fileInfo)

158 {

159 currentData->m_fileInfo = file_info;

160 Q_EMIT indicatorLoaded(name);

161 }

162 }

163 else

164 {

165 IndicatorData* data = new IndicatorData(name, file_info);

166 data->m_verified = true;

167 m_indicatorsData[name]= data;

168 Q_EMIT indicatorLoaded(name);

169 }

170}

171

172void IndicatorsManager::unload()

173{

174 QHashIterator<QString, IndicatorData*> iter(m_indicatorsData);

175 while(iter.hasNext())

176 {

177 iter.next();

178 Q_EMIT indicatorAboutToBeUnloaded(iter.key());

179 }

180

181 qDeleteAll(m_indicatorsData);

182 m_indicatorsData.clear();

183

184 setLoaded(false);

185}

186

187void IndicatorsManager::unloadFile(const QFileInfo& file)

188{

189 QMutableHashIterator<QString, IndicatorData*> iter(m_indicatorsData);

190 while(iter.hasNext())

191 {

192 iter.next();

193 IndicatorData* data = iter.value();

194 if (data->m_fileInfo.absoluteFilePath() == file.absoluteFilePath())

195 {

196 if (!data->m_verified)

197 {

198 const QString name = data->m_name;

199 Q_EMIT indicatorAboutToBeUnloaded(name);

200

201 delete data;

202 iter.remove();

203 }

204 }

205 }

206

207 setLoaded(m_indicatorsData.size() > 0);

208}

209

210void IndicatorsManager::setLoaded(bool loaded)

211{

212 if (loaded != m_loaded)

213 {

214 m_loaded = loaded;

215 Q_EMIT loadedChanged(m_loaded);

216 }

217}

218

219QString IndicatorsManager::profile() const

220{

221 return m_profile;

222}

223

224void IndicatorsManager::setProfile(const QString& profile)

225{

226 if (m_profile != profile) {

227 m_profile = profile;

228 Q_EMIT profileChanged(m_profile);

229 }

230}

231

232void IndicatorsManager::startVerify(const QString& path)

233{

234 QHashIterator<QString, IndicatorData*> iter(m_indicatorsData);

235 while(iter.hasNext())

236 {

237 iter.next();

238 IndicatorData* data = iter.value();

239 if (data->m_fileInfo.canonicalPath() == path)

240 {

241 data->m_verified = false;

242 }

243 }

244}

245

246void IndicatorsManager::endVerify(const QString& path)

247{

248 QMutableHashIterator<QString, IndicatorData*> iter(m_indicatorsData);

249 while(iter.hasNext())

250 {

251 iter.next();

252 IndicatorData* data = iter.value();

253 if (data->m_fileInfo.canonicalPath() == path)

254 {

255 if (!data->m_verified)

256 {

257 const QString name = data->m_name;

258 Q_EMIT indicatorAboutToBeUnloaded(name);

259

260 delete data;

261 iter.remove();

262 }

263 }

264 }

265}

266

267Indicator::Ptr IndicatorsManager::indicator(const QString& indicator_name)

268{

269 if (!m_indicatorsData.contains(indicator_name))

270 {

271 qWarning() << Q_FUNC_INFO << "Invalid indicator name: " << indicator_name;

272 return Indicator::Ptr();

273 }

274

275 IndicatorData *data = m_indicatorsData.value(indicator_name);

276 if (data->m_indicator)

277 {

278 return data->m_indicator;

279 }

280

281 Indicator::Ptr new_indicator(new Indicator(this));

282 data->m_indicator = new_indicator;

283 QSettings settings(data->m_fileInfo.absoluteFilePath(), QSettings::IniFormat, this);

284 new_indicator->init(data->m_fileInfo.fileName(), settings);

285

286 // convergence:

287 // 1) enable session indicator

288 // 2) on a PC, switch the battery/power indicator to desktop mode,

289 // can't control brightness for now and phone-on-desktop broken (FIXME)

290 //

291 // The rest of the indicators respect their default profile (which is "phone", even on desktop PCs)

292 if ((new_indicator->identifier() == QStringLiteral("indicator-session"))

293 || (new_indicator->identifier() == QStringLiteral("indicator-power") && m_platform.isPC())) {

294 new_indicator->setProfile(QStringLiteral("desktop"));

295 } else {

296 new_indicator->setProfile(m_profile);

297 }

298

299 QObject::connect(this, &IndicatorsManager::profileChanged, new_indicator.data(), &Indicator::setProfile);

300 return new_indicator;

301}

302

303QVector<Indicator::Ptr> IndicatorsManager::indicators()

304{

305 QVector<Indicator::Ptr> list;

306 Q_FOREACH(IndicatorData* data, m_indicatorsData)

307 {

308 Indicator::Ptr ret = indicator(data->m_name);

309 if (ret)

310 list.append(ret);

311 }

312 return list;

313}

314

315bool IndicatorsManager::isLoaded() const

316{

317 return m_loaded;

318}