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::label() const

112{

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

114

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

116}

117

118QString RootActionState::icon() const

119{

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

121

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

123}

124

125QString RootActionState::accessibleName() const

126{

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

128

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

130}

131

132bool RootActionState::isVisible() const

133{

134 if (!isValid()) return false;

135

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

137}

138

139static QString iconUri(GIcon *icon)

140{

141 QString uri;

142

143 if (G_IS_THEMED_ICON (icon)) {

144

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

146 guint index = 0;

147 while(iconNames[index] != NULL) {

148 if (QIcon::hasThemeIcon(iconNames[index])) {

149 uri = QString("image://theme/%1").arg(iconNames[index]);

150 break;

151 }

152 index++;

153 }

154 }

155 else if (G_IS_FILE_ICON (icon)) {

156 GFile *file;

157

158 file = g_file_icon_get_file (G_FILE_ICON (icon));

159 if (g_file_is_native (file)) {

160 gchar *fileuri;

161

162 fileuri = g_file_get_path (file);

163 uri = QString(fileuri);

164

165 g_free (fileuri);

166 }

167 }

168 else if (G_IS_BYTES_ICON (icon)) {

169 gsize size;

170 gconstpointer data;

171 gchar *base64;

172

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

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

175

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

177 uri.append (base64);

178

179 g_free (base64);

180 }

181

182 return uri;

183}

184

185QVariant RootActionState::toQVariant(GVariant* state) const

186{

187 if (!state) {

188 return QVariant();

189 }

190

191 if (g_variant_is_of_type(state, G_VARIANT_TYPE_VARDICT)) {

192 GVariantIter iter;

193 GVariant *vvalue;

194 gchar *key;

195 QVariantMap qmap;

196

197 g_variant_iter_init (&iter, state);

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

199 {

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

201 if (str == "icon") {

202 // FIXME - should be sending a url.

203 GIcon *icon = g_icon_deserialize (vvalue);

204 if (icon) {

205 qmap.insert(str, iconUri(icon));

206 g_object_unref (icon);

207 }

208 else {

209 qmap.insert(str, QVariant(""));

210 }

211 } else {

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

213 }

214 }

215

216 return QVariant::fromValue(qmap);

217

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

219 QVariantMap qmap;

220

221 char* label;

222 char* icon;

223 char* accessible_name;

224 gboolean visible;

225 GIcon *gicon;

226

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

228 &icon,

229 &accessible_name,

230 &visible);

231

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

233 qmap["accessible-name"] = accessible_name ? QString::fromUtf8(accessible_name) : "";

234 qmap["visible"] = visible;

235

236 gicon = g_icon_new_for_string (icon, NULL);

237 if (gicon) {

238 qmap["icon"] = iconUri(gicon);

239 g_object_unref (gicon);

240 }

241

242 if (label) g_free(label);

243 if (icon) g_free(icon);

244 if (accessible_name) g_free(accessible_name);

245

246 return QVariant::fromValue(qmap);

247 }

248 return ActionStateParser::toQVariant(state);

249}