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)));

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

39 LauncherItem *item = new LauncherItem(entry,

40 m_backend->displayName(entry),

41 m_backend->icon(entry),

42 this);

43 item->setPinned(true);

44 m_list.append(item);

45 }

46}

48LauncherModel::~LauncherModel()

49{

50 while (!m_list.empty()) {

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

52 }

53}

55int LauncherModel::rowCount(const QModelIndex &parent) const

56{

57 Q_UNUSED(parent)

58 return m_list.count();

59}

61QVariant LauncherModel::data(const QModelIndex &index, int role) const

62{

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

64 switch(role) {

65 case RoleAppId:

66 return item->appId();

67 case RoleName:

68 return item->name();

69 case RoleIcon:

70 return item->icon();

71 case RolePinned:

72 return item->pinned();

73 case RoleCount:

74 return item->count();

75 case RoleProgress:

76 return item->progress();

77 case RoleFocused:

78 return item->focused();

79 }

81 return QVariant();

82}

84unity::shell::launcher::LauncherItemInterface *LauncherModel::get(int index) const

85{

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

87 return 0;

88 }

89 return m_list.at(index);

90}

92void LauncherModel::move(int oldIndex, int newIndex)

93{

94 // Make sure its not moved outside the lists

95 if (newIndex < 0) {

96 newIndex = 0;

97 }

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

99 newIndex = m_list.count()-1;

100 }

101

102 // Nothing to do?

103 if (oldIndex == newIndex) {

104 return;

105 }

106

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

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

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

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

111

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

113 m_list.move(oldIndex, newIndex);

114 endMoveRows();

115

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

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

118 } else {

119 storeAppList();

120 }

121}

122

123void LauncherModel::pin(const QString &appId, int index)

124{

125 int currentIndex = findApplication(appId);

126

127 if (currentIndex >= 0) {

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

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

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

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

132 } else {

133 move(currentIndex, index);

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

135 return;

136 }

137 } else {

138 if (index == -1) {

139 index = m_list.count();

140 }

141 beginInsertRows(QModelIndex(), index, index);

142 LauncherItem *item = new LauncherItem(appId,

143 m_backend->displayName(appId),

144 m_backend->icon(appId));

145 item->setPinned(true);

146 m_list.insert(index, item);

147 endInsertRows();

148 }

149

150 storeAppList();

151}

152

153void LauncherModel::requestRemove(const QString &appId)

154{

155 int index = findApplication(appId);

156 if (index < 0) {

157 return;

158 }

159

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

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

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

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

164 return;

165 }

166

167 beginRemoveRows(QModelIndex(), index, index);

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

169 endRemoveRows();

170

171 storeAppList();

172}

173

174void LauncherModel::quickListActionInvoked(const QString &appId, int actionIndex)

175{

176 int index = findApplication(appId);

177 if (index < 0) {

178 return;

179 }

180

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

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

183 if (model) {

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

185

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

187 if (actionId == "pin_item") {

188 if (item->pinned()) {

189 requestRemove(appId);

190 } else {

191 pin(appId);

192 }

193

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

195 } else {

196 m_backend->triggerQuickListAction(appId, actionId);

197 }

198 }

199}

200

201void LauncherModel::setUser(const QString &username)

202{

203 m_backend->setUser(username);

204}

205

206QString LauncherModel::getUrlForAppId(const QString &appId) const

207{

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

209 if (appId.isEmpty())

210 return QString();

211

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

213 if (!df.isEmpty())

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

215

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

217 QString package = parts.value(0);

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

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

220}

221

222ApplicationManagerInterface *LauncherModel::applicationManager() const

223{

224 return m_appManager;

225}

226

227void LauncherModel::setApplicationManager(unity::shell::application::ApplicationManagerInterface *appManager)

228{

229 // Is there already another appmanager set?

230 if (m_appManager) {

231 // Disconnect any signals

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

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

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

235

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

237 QList<int> recentAppIndices;

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

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

240 recentAppIndices << i;

241 }

242 }

243 int run = 0;

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

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

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

247 endRemoveRows();

248 recentAppIndices.takeFirst();

249 ++run;

250 }

251 }

252

253 m_appManager = appManager;

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

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

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

257

258 Q_EMIT applicationManagerChanged();

259

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

261 applicationAdded(QModelIndex(), i);

262 }

263}

264

265

266void LauncherModel::storeAppList()

267{

268 QStringList appIds;

269 Q_FOREACH(LauncherItem *item, m_list) {

270 if (item->pinned()) {

271 appIds << item->appId();

272 }

273 }

274 m_backend->setStoredApplications(appIds);

275}

276

277int LauncherModel::findApplication(const QString &appId)

278{

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

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

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

282 return i;

283 }

284 }

285 return -1;

286}

287

288void LauncherModel::progressChanged(const QString &appId, int progress)

289{

290 int idx = findApplication(appId);

291 if (idx >= 0) {

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

293 item->setProgress(progress);

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

295 }

296}

297

298

299void LauncherModel::countChanged(const QString &appId, int count)

300{

301 int idx = findApplication(appId);

302 if (idx >= 0) {

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

304 item->setCount(count);

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

306 }

307}

308

309void LauncherModel::applicationAdded(const QModelIndex &parent, int row)

310{

311 Q_UNUSED(parent);

312

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

314 if (!app) {

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

316 return;

317 }

318

319 bool found = false;

320 Q_FOREACH(LauncherItem *item, m_list) {

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

322 found = true;

323 break;

324 }

325 }

326 if (found) {

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

328 } else {

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

330 item->setRecent(true);

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

332

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

334 m_list.append(item);

335 endInsertRows();

336 }

337}

338

339void LauncherModel::applicationRemoved(const QModelIndex &parent, int row)

340{

341 Q_UNUSED(parent)

342

343 int appIndex = -1;

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

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

346 appIndex = i;

347 break;

348 }

349 }

350

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

352 beginRemoveRows(QModelIndex(), appIndex, appIndex);

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

354 endRemoveRows();

355 }

356}

357

358void LauncherModel::focusedAppIdChanged()

359{

360 QString appId = m_appManager->focusedApplicationId();

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

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

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

364 item->setFocused(true);

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

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

367 item->setFocused(false);

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

369 }

370 }

371}