bool SourcesOnRequestEngine::updateSourceEvent(const QString &source)
{
// Whenever a visualization has requested an update, such as when passing
// an update interval to DataEngine::connectSource, this method will be called.
// When this method is called we can assume that:
// * the source exists
// * it hasn't been updated more frequently than the minimum update interval
//
// If not data is set in this method, then the update is skipped for the visualiation
// and that is just fine.
//
// We can also set data for other sources here if we wish, but as with
// sourceRequestEvent this may not be what the visualization expects. Unlike in
// sourceRequestEvent, however, this will result in expected behavior: visualizations
// connected to the sources which have setData called for them will be notified
// of these changes.
const int updateCount = containerForSource(source)->data().value("Update Count").toInt() + 1;
setData(source, "Update Count", updateCount);
QStandardItemModel *m = qobject_cast<QStandardItemModel *>(modelForSource(source));
if (m) {
m->clear();
m->appendRow(new QStandardItem(QString("Item1, update %1").arg(updateCount)));
m->appendRow(new QStandardItem(QString("Item2, update %1").arg(updateCount)));
m->appendRow(new QStandardItem(QString("Item3, update %1").arg(updateCount)));
}
// Since we updated the source immediately here, we need to return true so the DataEngine
// knows to continue with the update notification for visualizations.
return true;
}
bool AppsEngine::sourceRequestEvent(const QString &name)
{
if (containerForSource(name)) {
return true;
}
if (name.startsWith(QLatin1String("Apps"))) {
AppSource *appSource = new AppSource(name, this);
addSource(appSource);
return true;
} else if (name.startsWith(QLatin1String("Categories"))) {
CategoriesSource *catSource = new CategoriesSource(name, this);
addSource(catSource);
return true;
} else if (name.startsWith(QLatin1String("Groups"))) {
GroupsSource *grpsSource = new GroupsSource(name, this);
addSource(grpsSource);
return true;
} else if (name.startsWith(QLatin1String("Group"))) {
GroupSource *grpSource = new GroupSource(name, this);
addSource(grpSource);
return true;
}
return false;
}
bool DataContainersEngine::updateSourceEvent(const QString &source)
{
HttpContainer *container = qobject_cast<HttpContainer *>(containerForSource(source));
if (container) {
container->fetchUrl();
}
// HttpContainer is asynchronous, so the data hasn't actually been updated yet. So
// we return false here to let the DataEngine know that nothing has changed quite yet.
return false;
}
Plasma::Service *AppsEngine::serviceForSource(const QString &name)
{
if (name == "Groups") {
return Plasma::DataEngine::serviceForSource(name);
}
AppSource *source = dynamic_cast<AppSource*>(containerForSource(name));
// if source does not exist, return null service
if (!source) {
return Plasma::DataEngine::serviceForSource(name);
}
// if source is a group of apps, return real service
Plasma::Service *service = new AppService(source);
service->setParent(this);
return service;
}
Plasma::Service* KimpanelEngine::serviceForSource(const QString& source)
{
if (source == INPUTPANEL_SOURCE_NAME) {
KimpanelInputPanelContainer* container = qobject_cast< KimpanelInputPanelContainer* >(containerForSource(source));
if (container)
return container->service(this);
} else if (source == STATUSBAR_SOURCE_NAME) {
KimpanelStatusBarContainer* container = qobject_cast< KimpanelStatusBarContainer* >(containerForSource(source));
if (container)
return container->service(this);
}
return Plasma::DataEngine::serviceForSource(source);
}
uint NotificationsEngine::Notify(const QString &app_name, uint replaces_id,
const QString &app_icon, const QString &summary, const QString &body,
const QStringList &actions, const QVariantMap &hints, int timeout)
{
uint partOf = 0;
if (m_activeNotifications.values().contains(app_name + summary)) {
// cut off the "notification " from the source name
partOf = m_activeNotifications.key(app_name + summary).mid(13).toUInt();
}
qDebug() << "Currrent active notifications:" << m_activeNotifications;
qDebug() << "Guessing partOf as:" << partOf;
qDebug() << " New Notification: " << summary << body << timeout << "& Part of:" << partOf;
QString _body;
if (partOf > 0) {
const QString source = QString("notification %1").arg(partOf);
Plasma::DataContainer *container = containerForSource(source);
if (container) {
// append the body text
_body = container->data()["body"].toString();
if (_body != body) {
_body.append("\n").append(body);
} else {
_body = body;
}
// remove the old notification and replace it with the new one
// TODO: maybe just update the current notification?
CloseNotification(partOf);
}
}
uint id = 0;
id = replaces_id ? replaces_id : m_nextId++;
QString appname_str = app_name;
if (appname_str.isEmpty()) {
appname_str = i18n("Unknown Application");
}
bool isPersistent = timeout == 0;
const int AVERAGE_WORD_LENGTH = 6;
const int WORD_PER_MINUTE = 250;
int count = summary.length() + body.length();
timeout = 60000 * count / AVERAGE_WORD_LENGTH / WORD_PER_MINUTE;
// Add two seconds for the user to notice the notification, and ensure
// it last at least five seconds, otherwise all the user see is a
// flash
timeout = 2000 + qMax(timeout, 3000);
const QString source = QString("notification %1").arg(id);
Plasma::DataEngine::Data notificationData;
notificationData.insert("id", QString::number(id));
notificationData.insert("appName", appname_str);
notificationData.insert("appIcon", app_icon);
notificationData.insert("summary", summary);
notificationData.insert("body", partOf == 0 ? body : _body);
notificationData.insert("actions", actions);
notificationData.insert("isPersistent", isPersistent);
notificationData.insert("expireTimeout", timeout);
QString appRealName;
bool configurable = false;
if (hints.contains("x-kde-appname")) {
appRealName = hints["x-kde-appname"].toString();
configurable = true;
}
notificationData.insert("appRealName", appRealName);
notificationData.insert("configurable", configurable);
QImage image;
if (hints.contains("image_data")) {
QDBusArgument arg = hints["image_data"].value<QDBusArgument>();
image = decodeNotificationSpecImageHint(arg);
} else if (hints.contains("image_path")) {
QString path = findImageForSpecImagePath(hints["image_path"].toString());
if (!path.isEmpty()) {
image.load(path);
}
} else if (hints.contains("icon_data")) {
// This hint was in use in version 1.0 of the spec but has been
// replaced by "image_data" in version 1.1. We need to support it for
// users of the 1.0 version of the spec.
QDBusArgument arg = hints["icon_data"].value<QDBusArgument>();
image = decodeNotificationSpecImageHint(arg);
}
notificationData.insert("image", image);
if (hints.contains("urgency")) {
notificationData.insert("urgency", hints["urgency"].toInt());
}
setData(source, notificationData);
m_activeNotifications.insert(source, app_name + summary);
return id;
}
uint NotificationsEngine::Notify(const QString &app_name, uint replaces_id,
const QString &app_icon, const QString &summary, const QString &body,
const QStringList &actions, const QVariantMap &hints, int timeout)
{
uint id = 0;
id = replaces_id ? replaces_id : m_nextId++;
QString appname_str = app_name;
if (appname_str.isEmpty()) {
appname_str = i18n("Unknown Application");
}
if (timeout == -1) {
const int AVERAGE_WORD_LENGTH = 6;
const int WORD_PER_MINUTE = 250;
int count = summary.length() + body.length();
timeout = 60000 * count / AVERAGE_WORD_LENGTH / WORD_PER_MINUTE;
// Add two seconds for the user to notice the notification, and ensure
// it last at least five seconds, otherwise all the user see is a
// flash
timeout = 2000 + qMax(timeout, 3000);
}
const QString source = QString("notification %1").arg(id);
if (replaces_id) {
Plasma::DataContainer *container = containerForSource(source);
if (container && container->data()["expireTimeout"].toInt() != timeout) {
int timerId = m_sourceTimers.value(source);
killTimer(timerId);
m_sourceTimers.remove(source);
m_timeouts.remove(timerId);
}
}
Plasma::DataEngine::Data notificationData;
notificationData.insert("id", QString::number(id));
notificationData.insert("appName", appname_str);
notificationData.insert("appIcon", app_icon);
notificationData.insert("summary", summary);
notificationData.insert("body", body);
notificationData.insert("actions", actions);
notificationData.insert("expireTimeout", timeout);
QImage image;
if (hints.contains("image_data")) {
QDBusArgument arg = hints["image_data"].value<QDBusArgument>();
image = decodeNotificationSpecImageHint(arg);
} else if (hints.contains("image_path")) {
QString path = findImageForSpecImagePath(hints["image_path"].toString());
if (!path.isEmpty()) {
image.load(path);
}
} else if (hints.contains("icon_data")) {
// This hint was in use in version 1.0 of the spec but has been
// replaced by "image_data" in version 1.1. We need to support it for
// users of the 1.0 version of the spec.
QDBusArgument arg = hints["icon_data"].value<QDBusArgument>();
image = decodeNotificationSpecImageHint(arg);
}
notificationData.insert("image", image);
if (hints.contains("urgency")) {
notificationData.insert("urgency", hints["urgency"].toInt());
}
setData(source, notificationData );
if (timeout) {
int timerId = startTimer(timeout);
m_sourceTimers.insert(source, timerId);
m_timeouts.insert(timerId, source);
}
return id;
}