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}

42UnityMenuModel* RootActionState::menu() const

43{

44 return m_menu;

45}

47void RootActionState::setMenu(UnityMenuModel* menu)

48{

49 if (m_menu != menu) {

50 if (m_menu) {

51 m_menu->disconnect(this);

52 }

53 m_menu = menu;

55 if (m_menu) {

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

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

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

60 m_menu->setActionStateParser(this);

61 }

62 updateActionState();

63 Q_EMIT menuChanged();

64 }

65}

67void RootActionState::onModelRowsAdded(const QModelIndex& parent, int start, int end)

68{

69 Q_UNUSED(parent);

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

71 updateActionState();

72 }

73}

75void RootActionState::onModelRowsRemoved(const QModelIndex& parent, int start, int end)

76{

77 Q_UNUSED(parent);

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

79 updateActionState();

80 }

81}

83void RootActionState::onModelDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles)

84{

85 Q_UNUSED(roles);

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

87 return;

88 }

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

91 updateActionState();

92 }

93}

95void RootActionState::updateActionState()

96{

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

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

99 } else {

100 m_cachedState.clear();

101 }

102 Q_EMIT updated();

103}

104

105

106bool RootActionState::isValid() const

107{

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

109}

110

111QString RootActionState::leftLabel() const

112{

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

114

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

116}

117

118QString RootActionState::rightLabel() const

119{

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

121

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

123}

124

125QStringList RootActionState::icons() const

126{

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

128

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

130}

131

132QString RootActionState::accessibleName() const

133{

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

135

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

137}

138

139bool RootActionState::isVisible() const

140{

141 if (!isValid()) return false;

142

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

144}

145

146static QString iconUri(GIcon *icon)

147{

148 QString uri;

149

150 if (G_IS_THEMED_ICON (icon)) {

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

152

153 QStringList iconNameList;

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

155 iconNameList << iconNames[index];

156 }

157

158 if (!iconNameList.empty()) {

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

160 }

161 }

162 else if (G_IS_FILE_ICON (icon)) {

163 GFile *file;

164

165 file = g_file_icon_get_file (G_FILE_ICON (icon));

166 if (g_file_is_native (file)) {

167 gchar *fileuri;

168

169 fileuri = g_file_get_path (file);

170 uri = QString(fileuri);

171

172 g_free (fileuri);

173 }

174 }

175 else if (G_IS_BYTES_ICON (icon)) {

176 gsize size;

177 gconstpointer data;

178 gchar *base64;

179

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

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

182

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

184 uri.append (base64);

185

186 g_free (base64);

187 }

188

189 return uri;

190}

191

192QVariant RootActionState::toQVariant(GVariant* state) const

193{

194 if (!state) {

195 return QVariant();

196 }

197

198 if (g_variant_is_of_type(state, G_VARIANT_TYPE_VARDICT)) {

199 GVariantIter iter;

200 GVariant *vvalue;

201 gchar *key;

202 QVariantMap qmap;

203

204 g_variant_iter_init (&iter, state);

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

206 {

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

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

209 QStringList icons;

210

211 // FIXME - should be sending a url.

212 GIcon *gicon = g_icon_deserialize (vvalue);

213 if (gicon) {

214 icons << iconUri(gicon);

215 g_object_unref (gicon);

216 }

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

218

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

220

221 QStringList icons;

222

223 if (g_variant_type_is_array(g_variant_get_type(vvalue))) {

224

225

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

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

228

229 // FIXME - should be sending a url.

230 GIcon *gicon = g_icon_deserialize (child);

231 if (gicon) {

232 icons << iconUri(gicon);

233 g_object_unref (gicon);

234 }

235 g_variant_unref(child);

236 }

237 }

238 // will overwrite icon.

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

240

241 } else {

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

243 }

244 }

245

246 return QVariant::fromValue(qmap);

247

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

249 QVariantMap qmap;

250

251 char* label;

252 char* icon;

253 char* accessible_name;

254 gboolean visible;

255 GIcon *gicon;

256

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

258 &icon,

259 &accessible_name,

260 &visible);

261

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

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

264 qmap["visible"] = visible;

265

266 gicon = g_icon_new_for_string (icon, NULL);

267 if (gicon) {

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

269 g_object_unref (gicon);

270 }

271

272 if (label) g_free(label);

273 if (icon) g_free(icon);

274 if (accessible_name) g_free(accessible_name);

275

276 return QVariant::fromValue(qmap);

277 }

278 return ActionStateParser::toQVariant(state);

279}