plugins/Unity/scope.cpp · unity8 · git.iko.soy

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unity8/plugins/Unity/scope.cpp

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1/*

2 * Copyright (C) 2011 Canonical, Ltd.

3 *

4 * Authors:

5 * Florian Boucault <florian.boucault@canonical.com>

6 *

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

8 * it under the terms of the GNU General Public License as published by

9 * the Free Software Foundation; version 3.

10 *

11 * This program is distributed in the hope that it will be useful,

12 * but WITHOUT ANY WARRANTY; without even the implied warranty of

13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

14 * GNU General Public License for more details.

15 *

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

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

18 */

20// Self

21#include "scope.h"

23// local

24#include "categories.h"

25#include "preview.h"

26#include "variantutils.h"

28// Qt

29#include <QUrl>

30#include <QDebug>

31#include <QtGui/QDesktopServices>

32#include <QQmlEngine>

34#include <UnityCore/Variant.h>

36#include <libintl.h>

38Scope::Scope(QObject *parent) :

39 QObject(parent)

41 m_results = new DeeListModel(this);

42 m_categories = new Categories(this);

44 m_categories->setResultModel(m_results);

47QString Scope::id() const

49 return QString::fromStdString(m_unityScope->id());

52QString Scope::name() const

54 return QString::fromStdString(m_unityScope->name());

57QString Scope::iconHint() const

59 return QString::fromStdString(m_unityScope->icon_hint());

62QString Scope::description() const

64 return QString::fromStdString(m_unityScope->description());

67QString Scope::searchHint() const

69 return QString::fromStdString(m_unityScope->search_hint());

72bool Scope::visible() const

74 return m_unityScope->visible();

77QString Scope::shortcut() const

79 return QString::fromStdString(m_unityScope->shortcut());

82bool Scope::connected() const

84 return m_unityScope->connected();

87DeeListModel* Scope::results() const

89 return m_results;

92Categories* Scope::categories() const

94 return m_categories;

97QString Scope::searchQuery() const

99 return m_searchQuery;

102QString Scope::noResultsHint() const

104 return m_noResultsHint;

107void Scope::setSearchQuery(const QString& search_query)

109 /* Checking for m_searchQuery.isNull() which returns true only when the string

110 has never been set is necessary because when search_query is the empty

111 string ("") and m_searchQuery is the null string,

112 search_query != m_searchQuery is still true.

113 */

114 if (m_searchQuery.isNull() || search_query != m_searchQuery) {

115 m_searchQuery = search_query;

116 m_unityScope->Search(search_query.toStdString(), sigc::mem_fun(this, &Scope::searchFinished));

117 Q_EMIT searchQueryChanged();

118 }

121void Scope::setNoResultsHint(const QString& hint) {

122 if (hint != m_noResultsHint) {

123 m_noResultsHint = hint;

124 Q_EMIT noResultsHintChanged();

125 }

129unity::dash::LocalResult Scope::createLocalResult(const QVariant &uri, const QVariant &icon_hint,

130 const QVariant &category, const QVariant &result_type,

131 const QVariant &mimetype, const QVariant &title,

132 const QVariant &comment, const QVariant &dnd_uri,

133 const QVariant &metadata)

135 unity::dash::LocalResult res;

136 res.uri = uri.toString().toStdString();

137 res.icon_hint = icon_hint.toString().toStdString();

138 res.category_index = category.toUInt();

139 res.result_type = result_type.toUInt();

140 res.mimetype = mimetype.toString().toStdString();

141 res.name = title.toString().toStdString();

142 res.comment = comment.toString().toStdString();

143 res.dnd_uri = dnd_uri.toString().toStdString();

144 res.hints = convertToHintsMap(metadata);

146 return res;

149void Scope::activate(const QVariant &uri, const QVariant &icon_hint, const QVariant &category,

150 const QVariant &result_type, const QVariant &mimetype, const QVariant &title,

151 const QVariant &comment, const QVariant &dnd_uri, const QVariant &metadata)

153 auto res = createLocalResult(uri, icon_hint, category, result_type, mimetype, title, comment, dnd_uri, metadata);

154 m_unityScope->Activate(res);

157void Scope::preview(const QVariant &uri, const QVariant &icon_hint, const QVariant &category,

158 const QVariant &result_type, const QVariant &mimetype, const QVariant &title,

159 const QVariant &comment, const QVariant &dnd_uri, const QVariant &metadata)

161 auto res = createLocalResult(uri, icon_hint, category, result_type, mimetype, title, comment, dnd_uri, metadata);

162 m_unityScope->Preview(res);

165void Scope::onActivated(unity::dash::LocalResult const& result, unity::dash::ScopeHandledType type, unity::glib::HintsMap const& hints)

167 // note: we will not get called on SHOW_PREVIEW, instead UnityCore will signal preview_ready.

168 switch (type)

169 {

170 case unity::dash::NOT_HANDLED:

171 fallbackActivate(QString::fromStdString(result.uri));

172 break;

173 case unity::dash::SHOW_DASH:

174 Q_EMIT showDash();

175 break;

176 case unity::dash::HIDE_DASH:

177 Q_EMIT hideDash();

178 break;

179 case unity::dash::GOTO_DASH_URI:

180 if (hints.find("goto-uri") != hints.end()) {

181 Q_EMIT gotoUri(QString::fromStdString(g_variant_get_string(hints.at("goto-uri"), nullptr)));

182 } else {

183 qWarning() << "Missing goto-uri hint for GOTO_DASH_URI activation reply";

184 }

185 break;

186 default:

187 qWarning() << "Unhandled activation response:" << type;

188 }

191void Scope::onPreviewReady(unity::dash::LocalResult const& /* result */, unity::dash::Preview::Ptr const& preview)

193 auto prv = Preview::newFromUnityPreview(preview);

194 // is this the best solution? QML may need to keep more than one preview instance around, so we can't own it.

195 // passing it by value is not possible.

196 QQmlEngine::setObjectOwnership(prv, QQmlEngine::JavaScriptOwnership);

197 Q_EMIT previewReady(prv);

200void Scope::fallbackActivate(const QString& uri)

202 /* FIXME: stripping all content before the first column because for some

203 reason the scopes give uri with junk content at their beginning.

204 */

205 QString tweakedUri = uri;

206 int firstColumnAt = tweakedUri.indexOf(":");

207 tweakedUri.remove(0, firstColumnAt+1);

209 /* Tries various methods to trigger a sensible action for the given 'uri'.

210 If it has no understanding of the given scheme it falls back on asking

211 Qt to open the uri.

212 */

213 QUrl url(tweakedUri);

214 if (url.scheme() == "file") {

215 /* Override the files place's default URI handler: we want the file

216 manager to handle opening folders, not the dash.

218 Ref: https://bugs.launchpad.net/upicek/+bug/689667

219 */

220 QDesktopServices::openUrl(url);

221 return;

222 }

223 if (url.scheme() == "application") {

224 // TODO: implement application handling

225 return;

226 }

228 qDebug() << "Trying to open" << uri;

230 /* Try our luck */

231 QDesktopServices::openUrl(uri); //url?

234void Scope::setUnityScope(const unity::dash::Scope::Ptr& scope)

236 m_unityScope = scope;

238 if (QString::fromStdString(m_unityScope->results()->swarm_name) == QString(":local")) {

239 m_results->setModel(m_unityScope->results()->model());

240 } else {

241 m_results->setName(QString::fromStdString(m_unityScope->results()->swarm_name));

242 }

244 if (QString::fromStdString(m_unityScope->categories()->swarm_name) == QString(":local")) {

245 m_categories->setModel(m_unityScope->categories()->model());

246 } else {

247 m_categories->setName(QString::fromStdString(m_unityScope->categories()->swarm_name));

248 }

250 /* Property change signals */

251 m_unityScope->id.changed.connect(sigc::mem_fun(this, &Scope::idChanged));

252 m_unityScope->name.changed.connect(sigc::mem_fun(this, &Scope::nameChanged));

253 m_unityScope->icon_hint.changed.connect(sigc::mem_fun(this, &Scope::iconHintChanged));

254 m_unityScope->description.changed.connect(sigc::mem_fun(this, &Scope::descriptionChanged));

255 m_unityScope->search_hint.changed.connect(sigc::mem_fun(this, &Scope::searchHintChanged));

256 m_unityScope->visible.changed.connect(sigc::mem_fun(this, &Scope::visibleChanged));

257 m_unityScope->shortcut.changed.connect(sigc::mem_fun(this, &Scope::shortcutChanged));

258 m_unityScope->connected.changed.connect(sigc::mem_fun(this, &Scope::connectedChanged));

259 m_unityScope->results.changed.connect(sigc::mem_fun(this, &Scope::onResultsChanged));

260 m_unityScope->results()->swarm_name.changed.connect(sigc::mem_fun(this, &Scope::onResultsSwarmNameChanged));

261 m_unityScope->results()->model.changed.connect(sigc::mem_fun(this, &Scope::onResultsModelChanged));

262 m_unityScope->categories()->model.changed.connect(sigc::mem_fun(this, &Scope::onCategoriesModelChanged));

263 m_unityScope->categories.changed.connect(sigc::mem_fun(this, &Scope::onCategoriesChanged));

264 m_unityScope->categories()->swarm_name.changed.connect(sigc::mem_fun(this, &Scope::onCategoriesSwarmNameChanged));

265 /* Signals forwarding */

266 connect(this, SIGNAL(searchFinished(const std::string &, unity::glib::HintsMap const &, unity::glib::Error const &)), SLOT(onSearchFinished(const std::string &, unity::glib::HintsMap const &)));

268 /* FIXME: signal should be forwarded instead of calling the handler directly */

269 m_unityScope->activated.connect(sigc::mem_fun(this, &Scope::onActivated));

271 m_unityScope->preview_ready.connect(sigc::mem_fun(this, &Scope::onPreviewReady));

273 /* Synchronize local states with m_unityScope right now and whenever

274 m_unityScope becomes connected */

275 /* FIXME: should emit change notification signals for all properties */

276 connect(this, SIGNAL(connectedChanged(bool)), SLOT(synchronizeStates()));

277 synchronizeStates();

280unity::dash::Scope::Ptr Scope::unityScope() const

282 return m_unityScope;

285void Scope::synchronizeStates()

287 if (connected()) {

288 /* Forward local states to m_unityScope */

289 if (!m_searchQuery.isNull()) {

290 m_unityScope->Search(m_searchQuery.toStdString());

291 }

292 }

295void Scope::onResultsSwarmNameChanged(const std::string& /* swarm_name */)

297 m_results->setName(QString::fromStdString(m_unityScope->results()->swarm_name));

300void Scope::onResultsChanged(const unity::dash::Results::Ptr& /* results */)

302 m_results->setName(QString::fromStdString(m_unityScope->results()->swarm_name));

305void Scope::onResultsModelChanged(unity::glib::Object<DeeModel> /* model */)

307 m_results->setModel(m_unityScope->results()->model());

310void Scope::onCategoriesSwarmNameChanged(const std::string& /* swarm_name */)

312 m_categories->setName(QString::fromStdString(m_unityScope->categories()->swarm_name));

315void Scope::onCategoriesChanged(const unity::dash::Categories::Ptr& /* categories */)

317 m_categories->setName(QString::fromStdString(m_unityScope->categories()->swarm_name));

320void Scope::onCategoriesModelChanged(unity::glib::Object<DeeModel> model)

322 m_categories->setModel(model);

325void Scope::onSearchFinished(const std::string& /* query */, unity::glib::HintsMap const &hints)

327 QString hint;

329 if (!m_unityScope->results()->count()) {

330 unity::glib::HintsMap::const_iterator it = hints.find("no-results-hint");

331 if (it != hints.end()) {

332 hint = QString::fromStdString(it->second.GetString());

333 } else {

334 hint = QString::fromUtf8(dgettext("unity", "Sorry, there is nothing that matches your search."));

335 }

336 }

338 setNoResultsHint(hint);