plugins/Unity/Indicators/rootactionstate.cpp · unity8

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unity8/plugins/Unity/Indicators/rootactionstate.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 * Nick Dedekind <nick.dedekind@canonical.com>

18 */

20#include "rootactionstate.h"

21#include "indicators.h"

23#include <unitymenumodel.h>

24#include <QVariant>

25#include <QIcon>

27extern "C" {

28#include <glib.h>

29#include <gio/gio.h>

30}

32RootActionState::RootActionState(QObject *parent)

33 : ActionStateParser(parent),

34 m_menu(NULL)

35{

36}

38RootActionState::~RootActionState()

39{

40 if (m_menu) {

41 m_menu->disconnect(this);

42 m_menu->setActionStateParser(NULL);

43 }

44}

46UnityMenuModel* RootActionState::menu() const

47{

48 return m_menu;

49}

51void RootActionState::setMenu(UnityMenuModel* menu)

52{

53 if (m_menu != menu) {

54 if (m_menu) {

55 m_menu->disconnect(this);

56 m_menu->setActionStateParser(NULL);

57 }

58 m_menu = menu;

60 if (m_menu) {

61 connect(m_menu, SIGNAL(rowsInserted(const QModelIndex&, int, int)), SLOT(onModelRowsAdded(const QModelIndex&, int, int)));

62 connect(m_menu, SIGNAL(rowsRemoved(const QModelIndex&, int, int)), SLOT(onModelRowsRemoved(const QModelIndex&, int, int)));

63 connect(m_menu, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&, const QVector<int>&)), SLOT(onModelDataChanged(const QModelIndex&, const QModelIndex&, const QVector<int>&)));

65 connect(m_menu, SIGNAL(destroyed()), SLOT(reset()));

67 m_menu->setActionStateParser(this);

68 }

69 updateActionState();

70 Q_EMIT menuChanged();

71 }

72}

74void RootActionState::onModelRowsAdded(const QModelIndex& parent, int start, int end)

75{

76 Q_UNUSED(parent);

77 if (start == 0 && end >= 0) {

78 updateActionState();

79 }

80}

82void RootActionState::onModelRowsRemoved(const QModelIndex& parent, int start, int end)

83{

84 Q_UNUSED(parent);

85 if (start == 0 && end >= 0) {

86 updateActionState();

87 }

88}

90void RootActionState::onModelDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles)

91{

92 Q_UNUSED(roles);

93 if (!topLeft.isValid() || !bottomRight.isValid()) {

94 return;

95 }

97 if (topLeft.row() <= 0 && bottomRight.row() >= 0) {

98 updateActionState();

99 }

100}

101

102void RootActionState::reset() {

103 m_cachedState.clear();

104 m_menu = NULL;

105

106 Q_EMIT menuChanged();

107 Q_EMIT updated();

108}

109

110void RootActionState::updateActionState()

111{

112 if (m_menu && m_menu->rowCount() > 0) {

113 m_cachedState = m_menu->get(0, "actionState").toMap();

114 } else {

115 m_cachedState.clear();

116 }

117 Q_EMIT updated();

118}

119

120bool RootActionState::isValid() const

121{

122 return m_menu && m_menu->rowCount() > 0;

123}

124

125QString RootActionState::title() const

126{

127 if (!isValid()) return QString();

128

129 return m_cachedState.value("title", QVariant::fromValue(QString())).toString();

130}

131

132QString RootActionState::leftLabel() const

133{

134 if (!isValid()) return QString();

135

136 return m_cachedState.value("pre-label", QVariant::fromValue(QString())).toString();

137}

138

139QString RootActionState::rightLabel() const

140{

141 if (!isValid()) return QString();

142

143 return m_cachedState.value("label", QVariant::fromValue(QString())).toString();

144}

145

146QStringList RootActionState::icons() const

147{

148 if (!isValid()) return QStringList();

149

150 return m_cachedState.value("icons", QVariant::fromValue(QStringList())).toStringList();

151}

152

153QString RootActionState::accessibleName() const

154{

155 if (!isValid()) return QString();

156

157 return m_cachedState.value("accessible-desc", QVariant::fromValue(QString())).toString();

158}

159

160bool RootActionState::isVisible() const

161{

162 if (!isValid()) return false;

163

164 return m_cachedState.value("visible", QVariant::fromValue(true)).toBool();

165}

166

167static QString iconUri(GIcon *icon)

168{

169 QString uri;

170

171 if (G_IS_THEMED_ICON (icon)) {

172 const gchar* const* iconNames = g_themed_icon_get_names (G_THEMED_ICON (icon));

173

174 QStringList iconNameList;

175 for (uint index = 0; iconNames[index] != NULL; index++) {

176 iconNameList << iconNames[index];

177 }

178

179 if (!iconNameList.empty()) {

180 uri = QString("image://theme/%1").arg(iconNameList.join(","));

181 }

182 }

183 else if (G_IS_FILE_ICON (icon)) {

184 GFile *file;

185

186 file = g_file_icon_get_file (G_FILE_ICON (icon));

187 if (g_file_is_native (file)) {

188 gchar *fileuri;

189

190 fileuri = g_file_get_path (file);

191 uri = QString(fileuri);

192

193 g_free (fileuri);

194 }

195 }

196 else if (G_IS_BYTES_ICON (icon)) {

197 gsize size;

198 gconstpointer data;

199 gchar *base64;

200

201 data = g_bytes_get_data (g_bytes_icon_get_bytes (G_BYTES_ICON (icon)), &size);

202 base64 = g_base64_encode ((const guchar *) data, size);

203

204 uri = QString("data://");

205 uri.append (base64);

206

207 g_free (base64);

208 }

209

210 return uri;

211}

212

213QVariant RootActionState::toQVariant(GVariant* state) const

214{

215 if (!state) {

216 return QVariant();

217 }

218

219 if (g_variant_is_of_type(state, G_VARIANT_TYPE_VARDICT)) {

220 GVariantIter iter;

221 GVariant *vvalue;

222 gchar *key;

223 QVariantMap qmap;

224

225 g_variant_iter_init (&iter, state);

226 while (g_variant_iter_loop (&iter, "{sv}", &key, &vvalue))

227 {

228 QString str = QString::fromUtf8(key);

229 if (str == "icon" && !qmap.contains("icons")) {

230 QStringList icons;

231

232 // FIXME - should be sending a url.

233 GIcon *gicon = g_icon_deserialize (vvalue);

234 if (gicon) {

235 icons << iconUri(gicon);

236 g_object_unref (gicon);

237 }

238 qmap.insert("icons", icons);

239

240 } else if (str == "icons") {

241

242 QStringList icons;

243

244 if (g_variant_type_is_array(g_variant_get_type(vvalue))) {

245

246

247 for (int i = 0, iMax = g_variant_n_children(vvalue); i < iMax; i++) {

248 GVariant *child = g_variant_get_child_value(vvalue, i);

249

250 // FIXME - should be sending a url.

251 GIcon *gicon = g_icon_deserialize (child);

252 if (gicon) {

253 icons << iconUri(gicon);

254 g_object_unref (gicon);

255 }

256 g_variant_unref(child);

257 }

258 }

259 // will overwrite icon.

260 qmap.insert("icons", icons);

261

262 } else {

263 qmap.insert(str, ActionStateParser::toQVariant(vvalue));

264 }

265 }

266

267 return QVariant::fromValue(qmap);

268

269 } else if (g_variant_is_of_type (state, G_VARIANT_TYPE ("(sssb)"))) {

270 QVariantMap qmap;

271

272 char* label;

273 char* icon;

274 char* accessible_name;

275 gboolean visible;

276 GIcon *gicon;

277

278 g_variant_get(state, "(sssb)", &label,

279 &icon,

280 &accessible_name,

281 &visible);

282

283 qmap["label"] = label ? QString::fromUtf8(label) : "";

284 qmap["accessible-desc"] = accessible_name ? QString::fromUtf8(accessible_name) : "";

285 qmap["visible"] = visible;

286

287 gicon = g_icon_new_for_string (icon, NULL);

288 if (gicon) {

289 qmap["icons"] = QStringList() << iconUri(gicon);

290 g_object_unref (gicon);

291 }

292

293 if (label) g_free(label);

294 if (icon) g_free(icon);

295 if (accessible_name) g_free(accessible_name);

296

297 return QVariant::fromValue(qmap);

298 }

299 return ActionStateParser::toQVariant(state);

300}