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 */

17#include "launchermodel.h"

18#include "launcheritem.h"

19#include "gsettings.h"

20#include "dbusinterface.h"

21#include "asadapter.h"

22#include "ualwrapper.h"

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

25#include <unity/shell/application/MirSurfaceListInterface.h>

27#include <QDesktopServices>

28#include <QDebug>

30using namespace unity::shell::application;

32LauncherModel::LauncherModel(QObject *parent):

33 LauncherModelInterface(parent),

34 m_settings(new GSettings(this)),

35 m_dbusIface(new DBusInterface(this)),

36 m_asAdapter(new ASAdapter()),

37 m_appManager(nullptr)

38{

39 connect(m_dbusIface, &DBusInterface::countChanged, this, &LauncherModel::countChanged);

40 connect(m_dbusIface, &DBusInterface::countVisibleChanged, this, &LauncherModel::countVisibleChanged);

41 connect(m_dbusIface, &DBusInterface::progressChanged, this, &LauncherModel::progressChanged);

42 connect(m_dbusIface, &DBusInterface::refreshCalled, this, &LauncherModel::refresh);

43 connect(m_dbusIface, &DBusInterface::alertCalled, this, &LauncherModel::alert);

45 connect(m_settings, &GSettings::changed, this, &LauncherModel::refresh);

47 refresh();

48}

50LauncherModel::~LauncherModel()

51{

52 while (!m_list.empty()) {

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

54 }

56 delete m_asAdapter;

57}

59int LauncherModel::rowCount(const QModelIndex &parent) const

60{

61 Q_UNUSED(parent)

62 return m_list.count();

63}

65QVariant LauncherModel::data(const QModelIndex &index, int role) const

66{

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

68 switch(role) {

69 case RoleAppId:

70 return item->appId();

71 case RoleName:

72 return item->name();

73 case RoleIcon:

74 return item->icon();

75 case RolePinned:

76 return item->pinned();

77 case RoleCount:

78 return item->count();

79 case RoleCountVisible:

80 return item->countVisible();

81 case RoleProgress:

82 return item->progress();

83 case RoleFocused:

84 return item->focused();

85 case RoleAlerting:

86 return item->alerting();

87 case RoleRunning:

88 return item->running();

89 case RoleSurfaceCount:

90 return item->surfaceCount();

91 default:

92 qWarning() << Q_FUNC_INFO << "missing role, implement me";

93 return QVariant();

94 }

96 return QVariant();

97}

99unity::shell::launcher::LauncherItemInterface *LauncherModel::get(int index) const

100{

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

102 return 0;

103 }

104 return m_list.at(index);

105}

106

107void LauncherModel::move(int oldIndex, int newIndex)

108{

109 // Make sure its not moved outside the lists

110 if (newIndex < 0) {

111 newIndex = 0;

112 }

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

114 newIndex = m_list.count()-1;

115 }

116

117 // Nothing to do?

118 if (oldIndex == newIndex) {

119 return;

120 }

121

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

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

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

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

126

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

128 m_list.move(oldIndex, newIndex);

129 endMoveRows();

130

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

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

133 } else {

134 storeAppList();

135 }

136}

137

138void LauncherModel::pin(const QString &appId, int index)

139{

140 int currentIndex = findApplication(appId);

141

142 if (currentIndex >= 0) {

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

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

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

146 Q_EMIT dataChanged(modelIndex, modelIndex, {RolePinned});

147 } else {

148 move(currentIndex, index);

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

150 return;

151 }

152 } else {

153 if (index == -1) {

154 index = m_list.count();

155 }

156

157 UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(appId);

158 if (!appInfo.valid) {

159 qWarning() << "Can't pin application, appId not found:" << appId;

160 return;

161 }

162

163 beginInsertRows(QModelIndex(), index, index);

164 LauncherItem *item = new LauncherItem(appId,

165 appInfo.name,

166 appInfo.icon,

167 this);

168 item->setPinned(true);

169 m_list.insert(index, item);

170 endInsertRows();

171 }

172

173 storeAppList();

174}

175

176void LauncherModel::requestRemove(const QString &appId)

177{

178 unpin(appId);

179 storeAppList();

180}

181

182void LauncherModel::quickListActionInvoked(const QString &appId, int actionIndex)

183{

184 const int index = findApplication(appId);

185 if (index < 0) {

186 return;

187 }

188

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

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

191 if (model) {

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

193

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

195 if (actionId == QLatin1String("pin_item")) {

196 if (item->pinned()) {

197 requestRemove(appId);

198 } else {

199 pin(appId);

200 }

201 } else if (actionId == QLatin1String("launch_item")) {

202 QDesktopServices::openUrl(getUrlForAppId(appId));

203 } else if (actionId == QLatin1String("stop_item")) { // Quit

204 if (m_appManager) {

205 m_appManager->stopApplication(appId);

206 }

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

208 } else {

209 // TODO: forward quicklist action to app, possibly via m_dbusIface

210 }

211 }

212}

213

214void LauncherModel::setUser(const QString &username)

215{

216 Q_UNUSED(username)

217 qWarning() << "This backend doesn't support multiple users";

218}

219

220QString LauncherModel::getUrlForAppId(const QString &appId) const

221{

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

223 if (appId.isEmpty()) {

224 return QString();

225 }

226

227 if (!appId.contains('_')) {

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

229 }

230

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

232 QString package = parts.value(0);

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

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

235}

236

237ApplicationManagerInterface *LauncherModel::applicationManager() const

238{

239 return m_appManager;

240}

241

242void LauncherModel::setApplicationManager(unity::shell::application::ApplicationManagerInterface *appManager)

243{

244 // Is there already another appmanager set?

245 if (m_appManager) {

246 // Disconnect any signals

247 disconnect(this, &LauncherModel::applicationAdded, 0, nullptr);

248 disconnect(this, &LauncherModel::applicationRemoved, 0, nullptr);

249 disconnect(this, &LauncherModel::focusedAppIdChanged, 0, nullptr);

250

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

252 QList<int> recentAppIndices;

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

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

255 recentAppIndices << i;

256 }

257 }

258 int run = 0;

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

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

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

262 endRemoveRows();

263 recentAppIndices.takeFirst();

264 ++run;

265 }

266 }

267

268 m_appManager = appManager;

269 connect(m_appManager, &ApplicationManagerInterface::rowsInserted, this, &LauncherModel::applicationAdded);

270 connect(m_appManager, &ApplicationManagerInterface::rowsAboutToBeRemoved, this, &LauncherModel::applicationRemoved);

271 connect(m_appManager, &ApplicationManagerInterface::focusedApplicationIdChanged, this, &LauncherModel::focusedAppIdChanged);

272

273 Q_EMIT applicationManagerChanged();

274

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

276 applicationAdded(QModelIndex(), i);

277 }

278}

279

280bool LauncherModel::onlyPinned() const

281{

282 return false;

283}

284

285void LauncherModel::setOnlyPinned(bool onlyPinned) {

286 Q_UNUSED(onlyPinned);

287 qWarning() << "This launcher implementation does not support showing only pinned apps";

288}

289

290void LauncherModel::storeAppList()

291{

292 QStringList appIds;

293 Q_FOREACH(LauncherItem *item, m_list) {

294 if (item->pinned()) {

295 appIds << item->appId();

296 }

297 }

298 m_settings->setStoredApplications(appIds);

299 m_asAdapter->syncItems(m_list);

300}

301

302void LauncherModel::unpin(const QString &appId)

303{

304 const int index = findApplication(appId);

305 if (index < 0) {

306 return;

307 }

308

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

310 if (m_list.at(index)->pinned()) {

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

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

313 Q_EMIT dataChanged(modelIndex, modelIndex, {RolePinned});

314 }

315 } else {

316 beginRemoveRows(QModelIndex(), index, index);

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

318 endRemoveRows();

319 }

320}

321

322int LauncherModel::findApplication(const QString &appId)

323{

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

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

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

327 return i;

328 }

329 }

330 return -1;

331}

332

333void LauncherModel::progressChanged(const QString &appId, int progress)

334{

335 const int idx = findApplication(appId);

336 if (idx >= 0) {

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

338 item->setProgress(progress);

339 Q_EMIT dataChanged(index(idx), index(idx), {RoleProgress});

340 }

341}

342

343void LauncherModel::countChanged(const QString &appId, int count)

344{

345 const int idx = findApplication(appId);

346 if (idx >= 0) {

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

348 item->setCount(count);

349 QVector<int> changedRoles = {RoleCount};

350 if (item->countVisible() && !item->alerting() && !item->focused()) {

351 changedRoles << RoleAlerting;

352 item->setAlerting(true);

353 }

354 m_asAdapter->syncItems(m_list);

355 Q_EMIT dataChanged(index(idx), index(idx), changedRoles);

356 }

357}

358

359void LauncherModel::countVisibleChanged(const QString &appId, bool countVisible)

360{

361 int idx = findApplication(appId);

362 if (idx >= 0) {

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

364 item->setCountVisible(countVisible);

365 QVector<int> changedRoles = {RoleCountVisible};

366 if (countVisible && !item->alerting() && !item->focused()) {

367 changedRoles << RoleAlerting;

368 item->setAlerting(true);

369 }

370 Q_EMIT dataChanged(index(idx), index(idx), changedRoles);

371

372 // If countVisible goes to false, and the item is neither pinned nor recent we can drop it

373 if (!countVisible && !item->pinned() && !item->recent()) {

374 beginRemoveRows(QModelIndex(), idx, idx);

375 m_list.takeAt(idx)->deleteLater();

376 endRemoveRows();

377 }

378 } else {

379 // Need to create a new LauncherItem and show the highlight

380 UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(appId);

381 if (countVisible && appInfo.valid) {

382 LauncherItem *item = new LauncherItem(appId,

383 appInfo.name,

384 appInfo.icon,

385 this);

386 item->setCountVisible(true);

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

388 m_list.append(item);

389 endInsertRows();

390 }

391 }

392 m_asAdapter->syncItems(m_list);

393}

394

395void LauncherModel::refresh()

396{

397 // First walk through all the existing items and see if we need to remove something

398 QList<LauncherItem*> toBeRemoved;

399 Q_FOREACH (LauncherItem* item, m_list) {

400 UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(item->appId());

401 if (!appInfo.valid) {

402 // Application no longer available => drop it!

403 toBeRemoved << item;

404 } else if (!m_settings->storedApplications().contains(item->appId())) {

405 // Item not in settings any more => drop it!

406 toBeRemoved << item;

407 } else {

408 int idx = m_list.indexOf(item);

409 item->setName(appInfo.name);

410 item->setPinned(item->pinned()); // update pinned text if needed

411 item->setRunning(item->running());

412 Q_EMIT dataChanged(index(idx), index(idx), {RoleName, RoleRunning});

413

414 const QString oldIcon = item->icon();

415 if (oldIcon == appInfo.icon) { // same icon file, perhaps different contents, simulate changing the icon name to force reload

416 item->setIcon(QString());

417 Q_EMIT dataChanged(index(idx), index(idx), {RoleIcon});

418 }

419

420 // now set the icon for real

421 item->setIcon(appInfo.icon);

422 Q_EMIT dataChanged(index(idx), index(idx), {RoleIcon});

423 }

424 }

425

426 Q_FOREACH (LauncherItem* item, toBeRemoved) {

427 unpin(item->appId());

428 }

429

430 bool changed = toBeRemoved.count() > 0;

431

432 // This brings the Launcher into sync with the settings backend again. There's an issue though:

433 // If we can't find a .desktop file for an entry we need to skip it. That makes our settingsIndex

434 // go out of sync with the actual index of items. So let's also use an addedIndex which reflects

435 // the settingsIndex minus the skipped items.

436 int addedIndex = 0;

437

438 // Now walk through settings and see if we need to add something

439 for (int settingsIndex = 0; settingsIndex < m_settings->storedApplications().count(); ++settingsIndex) {

440 const QString entry = m_settings->storedApplications().at(settingsIndex);

441 int itemIndex = -1;

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

443 if (m_list.at(i)->appId() == entry) {

444 itemIndex = i;

445 break;

446 }

447 }

448

449 if (itemIndex == -1) {

450 // Need to add it. Just add it into the addedIndex to keep same ordering as the list

451 // in the settings.

452 UalWrapper::AppInfo appInfo = UalWrapper::getApplicationInfo(entry);

453 if (!appInfo.valid) {

454 continue;

455 }

456

457 LauncherItem *item = new LauncherItem(entry,

458 appInfo.name,

459 appInfo.icon,

460 this);

461 item->setPinned(true);

462 beginInsertRows(QModelIndex(), addedIndex, addedIndex);

463 m_list.insert(addedIndex, item);

464 endInsertRows();

465 changed = true;

466 } else if (itemIndex != addedIndex) {

467 // The item is already there, but it is in a different place than in the settings.

468 // Move it to the addedIndex

469 beginMoveRows(QModelIndex(), itemIndex, itemIndex, QModelIndex(), addedIndex);

470 m_list.move(itemIndex, addedIndex);

471 endMoveRows();

472 changed = true;

473 }

474

475 // Just like settingsIndex, this will increase with every item, except the ones we

476 // skipped with the "continue" call above.

477 addedIndex++;

478 }

479

480 if (changed) {

481 Q_EMIT hint();

482 }

483

484 m_asAdapter->syncItems(m_list);

485}

486

487void LauncherModel::alert(const QString &appId)

488{

489 int idx = findApplication(appId);

490 if (idx >= 0) {

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

492 if (!item->focused() && !item->alerting()) {

493 item->setAlerting(true);

494 Q_EMIT dataChanged(index(idx), index(idx), {RoleAlerting});

495 }

496 }

497}

498

499void LauncherModel::applicationAdded(const QModelIndex &parent, int row)

500{

501 Q_UNUSED(parent);

502

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

504 if (!app) {

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

506 return;

507 }

508

509 if (app->appId() == QLatin1String("unity8-dash")) {

510 // Not adding the dash app

511 return;

512 }

513

514 const int itemIndex = findApplication(app->appId());

515 if (itemIndex != -1) {

516 LauncherItem *item = m_list.at(itemIndex);

517 if (!item->recent()) {

518 item->setRecent(true);

519 Q_EMIT dataChanged(index(itemIndex), index(itemIndex), {RoleRecent});

520 }

521 if (item->surfaceCount() != app->surfaceCount()) {

522 item->setSurfaceCount(app->surfaceCount());

523 Q_EMIT dataChanged(index(itemIndex), index(itemIndex), {RoleSurfaceCount});

524 }

525

526 item->setRunning(true);

527 } else {

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

529 item->setRecent(true);

530 item->setRunning(true);

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

532 item->setSurfaceCount(app->surfaceCount());

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

534 m_list.append(item);

535 endInsertRows();

536 }

537 connect(app, &ApplicationInfoInterface::surfaceCountChanged, this, &LauncherModel::applicationSurfaceCountChanged);

538 m_asAdapter->syncItems(m_list);

539 Q_EMIT dataChanged(index(itemIndex), index(itemIndex), {RoleRunning});

540}

541

542void LauncherModel::applicationSurfaceCountChanged(int count)

543{

544 ApplicationInfoInterface *app = static_cast<ApplicationInfoInterface*>(sender());

545 int idx = findApplication(app->appId());

546 if (idx < 0) {

547 qWarning() << "Received a surface count changed event from an app that's not in the Launcher model";

548 return;

549 }

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

551 if (item->surfaceCount() != count) {

552 item->setSurfaceCount(count);

553 Q_EMIT dataChanged(index(idx), index(idx), {RoleSurfaceCount});

554 }

555}

556

557void LauncherModel::applicationRemoved(const QModelIndex &parent, int row)

558{

559 Q_UNUSED(parent)

560

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

562 int appIndex = -1;

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

564 if (m_list.at(i)->appId() == app->appId()) {

565 appIndex = i;

566 break;

567 }

568 }

569

570 if (appIndex < 0) {

571 qWarning() << Q_FUNC_INFO << "appIndex not found";

572 return;

573 }

574

575 disconnect(app, &ApplicationInfoInterface::surfaceCountChanged, this, &LauncherModel::applicationSurfaceCountChanged);

576

577 LauncherItem * item = m_list.at(appIndex);

578

579 if (!item->pinned()) {

580 beginRemoveRows(QModelIndex(), appIndex, appIndex);

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

582 endRemoveRows();

583 m_asAdapter->syncItems(m_list);

584 } else {

585 QVector<int> changedRoles = {RoleRunning};

586 item->setRunning(false);

587 if (item->focused()) {

588 changedRoles << RoleFocused;

589 item->setFocused(false);

590 }

591 Q_EMIT dataChanged(index(appIndex), index(appIndex), changedRoles);

592 }

593}

594

595void LauncherModel::focusedAppIdChanged()

596{

597 const QString appId = m_appManager->focusedApplicationId();

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

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

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

601 QVector<int> changedRoles;

602 changedRoles << RoleFocused;

603 item->setFocused(true);

604 if (item->alerting()) {

605 changedRoles << RoleAlerting;

606 item->setAlerting(false);

607 }

608 Q_EMIT dataChanged(index(i), index(i), changedRoles);

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

610 item->setFocused(false);

611 Q_EMIT dataChanged(index(i), index(i), {RoleFocused});

612 }

613 }

614}