All Classes Functions Properties
rootactionstate.cpp
/*
* Copyright 2013 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Nick Dedekind <nick.dedekind@canonical.com>
*/
#include "rootactionstate.h"
#include "indicators.h"
#include <unitymenumodel.h>
#include <QVariant>
#include <QIcon>
extern "C" {
#include <glib.h>
#include <gio/gio.h>
}
RootActionState::RootActionState(QObject *parent)
: ActionStateParser(parent),
m_menu(NULL)
{
}
RootActionState::~RootActionState()
{
}
UnityMenuModel* RootActionState::menu() const
{
return m_menu;
}
void RootActionState::setMenu(UnityMenuModel* menu)
{
if (m_menu != menu) {
if (m_menu) {
m_menu->disconnect(this);
}
m_menu = menu;
if (m_menu) {
connect(m_menu, SIGNAL(rowsInserted(const QModelIndex&, int, int)), SLOT(onModelRowsAdded(const QModelIndex&, int, int)));
connect(m_menu, SIGNAL(rowsRemoved(const QModelIndex&, int, int)), SLOT(onModelRowsRemoved(const QModelIndex&, int, int)));
connect(m_menu, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&, const QVector<int>&)), SLOT(onModelDataChanged(const QModelIndex&, const QModelIndex&, const QVector<int>&)));
connect(m_menu, SIGNAL(destroyed()), SLOT(reset()));
}
updateActionState();
Q_EMIT menuChanged();
}
}
void RootActionState::onModelRowsAdded(const QModelIndex& parent, int start, int end)
{
Q_UNUSED(parent);
if (start == 0 && end >= 0) {
updateActionState();
}
}
void RootActionState::onModelRowsRemoved(const QModelIndex& parent, int start, int end)
{
Q_UNUSED(parent);
if (start == 0 && end >= 0) {
updateActionState();
}
}
void RootActionState::onModelDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight, const QVector<int>& roles)
{
Q_UNUSED(roles);
if (!topLeft.isValid() || !bottomRight.isValid()) {
return;
}
if (topLeft.row() <= 0 && bottomRight.row() >= 0) {
updateActionState();
}
}
void RootActionState::reset()
{
m_cachedState.clear();
m_menu = NULL;
Q_EMIT menuChanged();
Q_EMIT updated();
}
void RootActionState::updateActionState()
{
if (m_menu && m_menu->rowCount() > 0) {
ActionStateParser* oldParser = m_menu->actionStateParser();
m_menu->setActionStateParser(this);
m_cachedState = m_menu->get(0, "actionState").toMap();
m_menu->setActionStateParser(oldParser);
} else {
m_cachedState.clear();
}
Q_EMIT updated();
}
bool RootActionState::isValid() const
{
return m_menu && m_menu->rowCount() > 0;
}
QString RootActionState::title() const
{
if (!isValid()) return QString();
return m_cachedState.value("title", QVariant::fromValue(QString())).toString();
}
QString RootActionState::leftLabel() const
{
if (!isValid()) return QString();
return m_cachedState.value("pre-label", QVariant::fromValue(QString())).toString();
}
QString RootActionState::rightLabel() const
{
if (!isValid()) return QString();
return m_cachedState.value("label", QVariant::fromValue(QString())).toString();
}
QStringList RootActionState::icons() const
{
if (!isValid()) return QStringList();
return m_cachedState.value("icons", QVariant::fromValue(QStringList())).toStringList();
}
QString RootActionState::accessibleName() const
{
if (!isValid()) return QString();
return m_cachedState.value("accessible-desc", QVariant::fromValue(QString())).toString();
}
bool RootActionState::isVisible() const
{
if (!isValid()) return false;
return m_cachedState.value("visible", QVariant::fromValue(true)).toBool();
}
static QString iconUri(GIcon *icon)
{
QString uri;
if (G_IS_THEMED_ICON (icon)) {
const gchar* const* iconNames = g_themed_icon_get_names (G_THEMED_ICON (icon));
QStringList iconNameList;
for (uint index = 0; iconNames[index] != NULL; index++) {
iconNameList << iconNames[index];
}
if (!iconNameList.empty()) {
uri = QString("image://theme/%1").arg(iconNameList.join(","));
}
}
else if (G_IS_FILE_ICON (icon)) {
GFile *file;
file = g_file_icon_get_file (G_FILE_ICON (icon));
if (g_file_is_native (file)) {
gchar *fileuri;
fileuri = g_file_get_path (file);
uri = QString(fileuri);
g_free (fileuri);
}
}
else if (G_IS_BYTES_ICON (icon)) {
gsize size;
gconstpointer data;
gchar *base64;
data = g_bytes_get_data (g_bytes_icon_get_bytes (G_BYTES_ICON (icon)), &size);
base64 = g_base64_encode ((const guchar *) data, size);
uri = QString("data://");
uri.append (base64);
g_free (base64);
}
return uri;
}
QVariant RootActionState::toQVariant(GVariant* state) const
{
if (!state) {
return QVariant();
}
if (g_variant_is_of_type(state, G_VARIANT_TYPE_VARDICT)) {
GVariantIter iter;
GVariant *vvalue;
gchar *key;
QVariantMap qmap;
g_variant_iter_init (&iter, state);
while (g_variant_iter_loop (&iter, "{sv}", &key, &vvalue))
{
QString str = QString::fromUtf8(key);
if (str == "icon" && !qmap.contains("icons")) {
QStringList icons;
// FIXME - should be sending a url.
GIcon *gicon = g_icon_deserialize (vvalue);
if (gicon) {
icons << iconUri(gicon);
g_object_unref (gicon);
}
qmap.insert("icons", icons);
} else if (str == "icons") {
QStringList icons;
if (g_variant_type_is_array(g_variant_get_type(vvalue))) {
for (int i = 0, iMax = g_variant_n_children(vvalue); i < iMax; i++) {
GVariant *child = g_variant_get_child_value(vvalue, i);
// FIXME - should be sending a url.
GIcon *gicon = g_icon_deserialize (child);
if (gicon) {
icons << iconUri(gicon);
g_object_unref (gicon);
}
g_variant_unref(child);
}
}
// will overwrite icon.
qmap.insert("icons", icons);
} else {
qmap.insert(str, ActionStateParser::toQVariant(vvalue));
}
}
return QVariant::fromValue(qmap);
} else if (g_variant_is_of_type (state, G_VARIANT_TYPE ("(sssb)"))) {
QVariantMap qmap;
char* label;
char* icon;
char* accessible_name;
gboolean visible;
GIcon *gicon;
g_variant_get(state, "(sssb)", &label,
&icon,
&accessible_name,
&visible);
qmap["label"] = label ? QString::fromUtf8(label) : "";
qmap["accessible-desc"] = accessible_name ? QString::fromUtf8(accessible_name) : "";
qmap["visible"] = visible;
gicon = g_icon_new_for_string (icon, NULL);
if (gicon) {
qmap["icons"] = QStringList() << iconUri(gicon);
g_object_unref (gicon);
}
if (label) g_free(label);
if (icon) g_free(icon);
if (accessible_name) g_free(accessible_name);
return QVariant::fromValue(qmap);
}
return ActionStateParser::toQVariant(state);
}