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/*
* Copyright (C) 2013 Canonical, Ltd.
*
* Authors:
* Jussi Pakkanen <jussi.pakkanen@canonical.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This library 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "NotificationModel.h"
#include "NotificationServer.h"
#include "Notification.h"
#include <QDBusMetaType>
#include <QSharedPointer>
NotificationServer::NotificationServer(NotificationModel &m, QObject *parent) :
QDBusAbstractAdaptor(parent), model(m), idCounter(1) {
qDBusRegisterMetaType<Hints>();
connect(this, SIGNAL(dataChanged(unsigned int)), &m, SLOT(onDataChanged(unsigned int)));
}
NotificationServer::~NotificationServer() {
}
void NotificationServer::invokeAction(unsigned int id, QString action) {
Q_EMIT ActionInvoked(id, action);
}
#define INTERACTIVE_HINT "x-canonical-switch-to-application"
QStringList NotificationServer::GetCapabilities() const {
QStringList capabilities;
capabilities.push_back("actions");
capabilities.push_back("body");
capabilities.push_back("body-markup");
capabilities.push_back("icon-static");
capabilities.push_back("image/svg+xml");
capabilities.push_back(URGENCY_HINT);
capabilities.push_back(SYNCH_HINT);
capabilities.push_back(APPEND_HINT);
capabilities.push_back(ICON_ONLY_HINT);
capabilities.push_back(BUTTON_TINT_HINT);
capabilities.push_back(TRUNCATION_HINT);
capabilities.push_back(SNAP_HINT);
capabilities.push_back(SECONDARY_ICON_HINT);
capabilities.push_back(MENU_MODEL_HINT);
capabilities.push_back(INTERACTIVE_HINT);
return capabilities;
}
Notification* NotificationServer::buildNotification(NotificationID id, const Hints &hints) {
int expireTimeout = 0;
Notification::Urgency urg = Notification::Urgency::Low;
if(hints.find(URGENCY_HINT) != hints.end()) {
QVariant u = hints[URGENCY_HINT].variant();
if(!u.canConvert(QVariant::Int)) {
fprintf(stderr, "Invalid urgency value.\n");
} else {
urg = (Notification::Urgency) u.toInt();
}
}
Notification::Type ntype = Notification::Type::Ephemeral;
expireTimeout = 5000;
if(hints.find(SYNCH_HINT) != hints.end()) {
expireTimeout = 3000;
ntype = Notification::Type::Confirmation;
} else if (hints.find(SNAP_HINT) != hints.end()) {
expireTimeout = 60000;
ntype = Notification::Type::SnapDecision;
} else if(hints.find(INTERACTIVE_HINT) != hints.end()) {
ntype = Notification::Type::Interactive;
expireTimeout = 5000;
}
Notification* n = new Notification(id, expireTimeout, urg, ntype, this);
connect(n, SIGNAL(dataChanged(unsigned int)), this, SLOT(onDataChanged(unsigned int)));
connect(n, SIGNAL(completed(unsigned int)), this, SLOT(onCompleted(unsigned int)));
return n;
}
unsigned int NotificationServer::Notify (QString app_name, unsigned int replaces_id, QString app_icon,
QString summary, QString body,
QStringList actions, Hints hints, int expire_timeout) {
const unsigned int FAILURE = 0; // Is this correct?
const int minActions = 4;
const int maxActions = 12;
//QImage icon(app_icon);
int currentId = idCounter;
QSharedPointer<Notification> notification;
if(replaces_id != 0) {
if(!model.hasNotification(replaces_id)) {
fprintf(stderr, "Tried to change non-existing notification %d.\n", replaces_id);
return FAILURE;
}
currentId = replaces_id;
notification = model.getNotification(replaces_id);
// Appending text is a special case. This is the new update-behaviour
// for the append-hint and expects the client-app to use libnotify's
// call notify_notification_update()
if (hints.find(APPEND_HINT) != hints.end()) {
QString newBody = QString(notification->getBody() + "\n" + body);
notification->setBody(newBody);
model.notificationUpdated(currentId);
return notification->getID();
}
// Otherwise we let the code below update the fields.
} else {
// support append-hint also for a new notification using just the
// summary-text as "identifier"... this is legacy behaviour and
// only kept for compatibility-reasons... developer-docs have to
// be updated and extended with a remark that this will be dropped
// by the next cycle
if (hints.find(APPEND_HINT) != hints.end()) {
notification = model.getNotification(summary);
if (notification) {
QString newBody = QString(notification->getBody() + "\n" + body);
notification->setBody(newBody);
model.notificationUpdated(notification->getID());
return notification->getID();
}
}
Notification *n = buildNotification(currentId, hints);
if(!n) {
fprintf(stderr, "Could not build notification object.\n");
return FAILURE;
}
notification.reset(n);
idCounter++;
if(idCounter == 0) // Spec forbids zero as return value.
idCounter = 1;
}
if(notification->getType() == Notification::Type::Interactive) {
int numActions = actions.size();
if(numActions != 2) {
fprintf(stderr, "Wrong number of actions for an interactive notification. Has %d, requires %d.\n", numActions, 2);
return FAILURE;
}
notification->setActions(actions);
}
// Do this first because it can fail. In case we are updating an
// existing notification exiting now means all old state is
// preserved.
if(notification->getType() == Notification::Type::SnapDecision) {
int numActions = actions.size();
if(numActions < minActions) {
fprintf(stderr, "Too few strings for Snap Decisions. Has %d, requires %d.\n", numActions, minActions);
return FAILURE;
}
if(numActions > maxActions) {
fprintf(stderr, "Too many strings for Snap Decisions. Has %d, maximum %d.\n", numActions, maxActions);
return FAILURE;
}
if(numActions % 2 != 0) {
fprintf(stderr, "Number of actions must be even, not odd.\n");
return FAILURE;
}
notification->setActions(actions);
}
notification->setBody(body);
notification->setIcon(app_icon);
notification->setSummary(summary);
QVariantMap notifyHints;
for (Hints::const_iterator iter = hints.constBegin(), end = hints.constEnd(); iter != end; ++iter) {
notifyHints[iter.key()] = iter.value().variant();
}
notification->setHints(notifyHints);
QVariant secondaryIcon = hints[SECONDARY_ICON_HINT].variant();
notification->setSecondaryIcon(secondaryIcon.toString());
if(replaces_id == 0) {
model.insertNotification(notification);
}
return currentId;
}
void NotificationServer::CloseNotification (unsigned int id) {
Q_EMIT NotificationClosed(id, 1);
model.removeNotification(id);
}
void NotificationServer::GetServerInformation (QString &name, QString &vendor, QString &version, QString &specVersion) const {
name = "Unity notification server";
vendor = "Canonical Ltd";
version = "1.2";
specVersion = "1.1";
}
void NotificationServer::onDataChanged(unsigned int id) {
Q_EMIT dataChanged(id);
}
void NotificationServer::onCompleted(unsigned int id) {
CloseNotification(id);
}
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