plugins/Unity/Launcher/launchermodel.cpp · unity8

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unity8/plugins/Unity/Launcher/launchermodel.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 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 "launchermodel.h"

21#include "launcheritem.h"

22#include "backend/launcherbackend.h"

24#include <unity/shell/application/ApplicationInfoInterface.h>

26#include <QDebug>

28using namespace unity::shell::application;

30LauncherModel::LauncherModel(QObject *parent):

31 LauncherModelInterface(parent),

32 m_backend(new LauncherBackend(this)),

33 m_appManager(0)

34{

35 connect(m_backend, SIGNAL(countChanged(QString,int)), SLOT(countChanged(QString,int)));

36 connect(m_backend, SIGNAL(progressChanged(QString,int)), SLOT(progressChanged(QString,int)));

37 connect(m_backend, SIGNAL(appUninstalled(QString)), SLOT(requestRemove(QString)));

39 Q_FOREACH (const QString &entry, m_backend->storedApplications()) {

40 LauncherItem *item = new LauncherItem(entry,

41 m_backend->displayName(entry),

42 m_backend->icon(entry),

43 this);

44 item->setPinned(true);

45 m_list.append(item);

46 }

47}

49LauncherModel::~LauncherModel()

50{

51 while (!m_list.empty()) {

52 m_list.takeFirst()->deleteLater();

53 }

54}

56int LauncherModel::rowCount(const QModelIndex &parent) const

57{

58 Q_UNUSED(parent)

59 return m_list.count();

60}

62QVariant LauncherModel::data(const QModelIndex &index, int role) const

63{

64 LauncherItem *item = m_list.at(index.row());

65 switch(role) {

66 case RoleAppId:

67 return item->appId();

68 case RoleName:

69 return item->name();

70 case RoleIcon:

71 return item->icon();

72 case RolePinned:

73 return item->pinned();

74 case RoleCount:

75 return item->count();

76 case RoleProgress:

77 return item->progress();

78 case RoleFocused:

79 return item->focused();

80 }

82 return QVariant();

83}

85unity::shell::launcher::LauncherItemInterface *LauncherModel::get(int index) const

86{

87 if (index < 0 || index >= m_list.count()) {

88 return 0;

89 }

90 return m_list.at(index);

91}

93void LauncherModel::move(int oldIndex, int newIndex)

94{

95 // Make sure its not moved outside the lists

96 if (newIndex < 0) {

97 newIndex = 0;

98 }

99 if (newIndex >= m_list.count()) {

100 newIndex = m_list.count()-1;

101 }

102

103 // Nothing to do?

104 if (oldIndex == newIndex) {

105 return;

106 }

107

108 // QList's and QAbstractItemModel's move implementation differ when moving an item up the list :/

109 // While QList needs the index in the resulting list, beginMoveRows expects it to be in the current list

110 // adjust the model's index by +1 in case we're moving upwards

111 int newModelIndex = newIndex > oldIndex ? newIndex+1 : newIndex;

112

113 beginMoveRows(QModelIndex(), oldIndex, oldIndex, QModelIndex(), newModelIndex);

114 m_list.move(oldIndex, newIndex);

115 endMoveRows();

116

117 if (!m_list.at(newIndex)->pinned()) {

118 pin(m_list.at(newIndex)->appId());

119 } else {

120 storeAppList();

121 }

122}

123

124void LauncherModel::pin(const QString &appId, int index)

125{

126 int currentIndex = findApplication(appId);

127

128 if (currentIndex >= 0) {

129 if (index == -1 || index == currentIndex) {

130 m_list.at(currentIndex)->setPinned(true);

131 QModelIndex modelIndex = this->index(currentIndex);

132 Q_EMIT dataChanged(modelIndex, modelIndex, QVector<int>() << RolePinned);

133 } else {

134 move(currentIndex, index);

135 // move() will store the list to the backend itself, so just exit at this point.

136 return;

137 }

138 } else {

139 if (index == -1) {

140 index = m_list.count();

141 }

142 beginInsertRows(QModelIndex(), index, index);

143 LauncherItem *item = new LauncherItem(appId,

144 m_backend->displayName(appId),

145 m_backend->icon(appId),

146 this);

147 item->setPinned(true);

148 m_list.insert(index, item);

149 endInsertRows();

150 }

151

152 storeAppList();

153}

154

155void LauncherModel::requestRemove(const QString &appId)

156{

157 int index = findApplication(appId);

158 if (index < 0) {

159 return;

160 }

161

162 if (m_appManager->findApplication(appId)) {

163 m_list.at(index)->setPinned(false);

164 QModelIndex modelIndex = this->index(index);

165 Q_EMIT dataChanged(modelIndex, modelIndex, QVector<int>() << RolePinned);

166 return;

167 }

168

169 beginRemoveRows(QModelIndex(), index, index);

170 m_list.takeAt(index)->deleteLater();

171 endRemoveRows();

172

173 storeAppList();

174}

175

176void LauncherModel::quickListActionInvoked(const QString &appId, int actionIndex)

177{

178 int index = findApplication(appId);

179 if (index < 0) {

180 return;

181 }

182

183 LauncherItem *item = m_list.at(index);

184 QuickListModel *model = qobject_cast<QuickListModel*>(item->quickList());

185 if (model) {

186 QString actionId = model->get(actionIndex).actionId();

187

188 // Check if this is one of the launcher actions we handle ourselves

189 if (actionId == "pin_item") {

190 if (item->pinned()) {

191 requestRemove(appId);

192 } else {

193 pin(appId);

194 }

195

196 // Nope, we don't know this action, let the backend forward it to the application

197 } else {

198 m_backend->triggerQuickListAction(appId, actionId);

199 }

200 }

201}

202

203void LauncherModel::setUser(const QString &username)

204{

205 m_backend->setUser(username);

206}

207

208QString LauncherModel::getUrlForAppId(const QString &appId) const

209{

210 // appId is either an appId or a legacy app name. Let's find out which

211 if (appId.isEmpty())

212 return QString();

213

214 QString df = m_backend->desktopFile(appId + ".desktop");

215 if (!df.isEmpty())

216 return "application:///" + appId + ".desktop";

217

218 QStringList parts = appId.split('_');

219 QString package = parts.value(0);

220 QString app = parts.value(1, "first-listed-app");

221 return "appid://" + package + "/" + app + "/current-user-version";

222}

223

224ApplicationManagerInterface *LauncherModel::applicationManager() const

225{

226 return m_appManager;

227}

228

229void LauncherModel::setApplicationManager(unity::shell::application::ApplicationManagerInterface *appManager)

230{

231 // Is there already another appmanager set?

232 if (m_appManager) {

233 // Disconnect any signals

234 disconnect(this, SLOT(applicationAdded(QModelIndex,int)));

235 disconnect(this, SLOT(applicationRemoved(QModelIndex,int)));

236 disconnect(this, SLOT(focusedAppIdChanged()));

237

238 // remove any recent/running apps from the launcher

239 QList<int> recentAppIndices;

240 for (int i = 0; i < m_list.count(); ++i) {

241 if (m_list.at(i)->recent()) {

242 recentAppIndices << i;

243 }

244 }

245 int run = 0;

246 while (recentAppIndices.count() > 0) {

247 beginRemoveRows(QModelIndex(), recentAppIndices.first() - run, recentAppIndices.first() - run);

248 m_list.takeAt(recentAppIndices.first() - run)->deleteLater();

249 endRemoveRows();

250 recentAppIndices.takeFirst();

251 ++run;

252 }

253 }

254

255 m_appManager = appManager;

256 connect(m_appManager, SIGNAL(rowsInserted(QModelIndex, int, int)), SLOT(applicationAdded(QModelIndex,int)));

257 connect(m_appManager, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), SLOT(applicationRemoved(QModelIndex,int)));

258 connect(m_appManager, SIGNAL(focusedApplicationIdChanged()), SLOT(focusedAppIdChanged()));

259

260 Q_EMIT applicationManagerChanged();

261

262 for (int i = 0; i < appManager->count(); ++i) {

263 applicationAdded(QModelIndex(), i);

264 }

265}

266

267

268void LauncherModel::storeAppList()

269{

270 QStringList appIds;

271 Q_FOREACH(LauncherItem *item, m_list) {

272 if (item->pinned()) {

273 appIds << item->appId();

274 }

275 }

276 m_backend->setStoredApplications(appIds);

277}

278

279int LauncherModel::findApplication(const QString &appId)

280{

281 for (int i = 0; i < m_list.count(); ++i) {

282 LauncherItem *item = m_list.at(i);

283 if (item->appId() == appId) {

284 return i;

285 }

286 }

287 return -1;

288}

289

290void LauncherModel::progressChanged(const QString &appId, int progress)

291{

292 int idx = findApplication(appId);

293 if (idx >= 0) {

294 LauncherItem *item = m_list.at(idx);

295 item->setProgress(progress);

296 Q_EMIT dataChanged(index(idx), index(idx), QVector<int>() << RoleProgress);

297 }

298}

299

300

301void LauncherModel::countChanged(const QString &appId, int count)

302{

303 int idx = findApplication(appId);

304 if (idx >= 0) {

305 LauncherItem *item = m_list.at(idx);

306 item->setCount(count);

307 Q_EMIT dataChanged(index(idx), index(idx), QVector<int>() << RoleCount);

308 }

309}

310

311void LauncherModel::applicationAdded(const QModelIndex &parent, int row)

312{

313 Q_UNUSED(parent);

314

315 ApplicationInfoInterface *app = m_appManager->get(row);

316 if (!app) {

317 qWarning() << "LauncherModel received an applicationAdded signal, but there's no such application!";

318 return;

319 }

320

321 if (app->appId() == "unity8-dash") {

322 // Not adding the dash app

323 return;

324 }

325

326 bool found = false;

327 Q_FOREACH(LauncherItem *item, m_list) {

328 if (app->appId() == item->appId()) {

329 found = true;

330 break;

331 }

332 }

333 if (found) {

334 // Shall we paint some running/recent app highlight? If yes, do it here.

335 } else {

336 LauncherItem *item = new LauncherItem(app->appId(), app->name(), app->icon().toString(), this);

337 item->setRecent(true);

338 item->setFocused(app->focused());

339

340 beginInsertRows(QModelIndex(), m_list.count(), m_list.count());

341 m_list.append(item);

342 endInsertRows();

343 }

344}

345

346void LauncherModel::applicationRemoved(const QModelIndex &parent, int row)

347{

348 Q_UNUSED(parent)

349

350 int appIndex = -1;

351 for (int i = 0; i < m_list.count(); ++i) {

352 if (m_list.at(i)->appId() == m_appManager->get(row)->appId()) {

353 appIndex = i;

354 break;

355 }

356 }

357

358 if (appIndex > -1 && !m_list.at(appIndex)->pinned()) {

359 beginRemoveRows(QModelIndex(), appIndex, appIndex);

360 m_list.takeAt(appIndex)->deleteLater();

361 endRemoveRows();

362 }

363}

364

365void LauncherModel::focusedAppIdChanged()

366{

367 QString appId = m_appManager->focusedApplicationId();

368 for (int i = 0; i < m_list.count(); ++i) {

369 LauncherItem *item = m_list.at(i);

370 if (!item->focused() && item->appId() == appId) {

371 item->setFocused(true);

372 Q_EMIT dataChanged(index(i), index(i), QVector<int>() << RoleFocused);

373 } else if (item->focused() && item->appId() != appId) {

374 item->setFocused(false);

375 Q_EMIT dataChanged(index(i), index(i), QVector<int>() << RoleFocused);

376 }

377 }

378}