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#include <QtCore/QDebug>
#include <QtDeclarative/QtDeclarative>
#include "watchserver.h"
#include "watch.h"
#include "watchletsmodel.h"
#include "notificationsmodel.h"
#include "gconfkey.h"
#include "declarativewatchwrapper.h"
#include "declarativewatchlet.h"
using namespace sowatch;
bool DeclarativeWatchlet::_registered = false;
DeclarativeWatchlet::DeclarativeWatchlet(Watch* watch, const QString& id) :
GraphicsWatchlet(watch, id),
_engine(0),
_component(0),
_item(0),
_wrapper(0)
{
setScene(new QGraphicsScene(this));
scene()->setItemIndexMethod(QGraphicsScene::NoIndex);
scene()->setStickyFocus(true);
if (!_registered) {
qRegisterMetaType<Notification::Type>("Notification::Type");
qRegisterMetaType<Notification::Priority>("Notification::Priority");
qRegisterMetaType<WeatherNotification::WeatherType>("WeatherNotification::WeatherType");
qRegisterMetaType<WeatherNotification::Unit>("WeatherNotification::Unit");
qmlRegisterUncreatableType<DeclarativeWatchWrapper>("com.javispedro.sowatch", 1, 0,
"Watch", "Watch is only available via the 'watch' context property");
qmlRegisterUncreatableType<WatchletsModel>("com.javispedro.sowatch", 1, 0,
"Notification", "WatchletsModel is only available via the 'notifications' context property");
qmlRegisterUncreatableType<Watchlet>("com.javispedro.sowatch", 1, 0,
"Notification", "Watchlet is an abstract class");
qmlRegisterUncreatableType<NotificationsModel>("com.javispedro.sowatch", 1, 0,
"NotificationsModel", "NotificationsModel is only available via the 'notifications' context property");
qmlRegisterUncreatableType<Notification>("com.javispedro.sowatch", 1, 0,
"Notification", "Notification is an abstract class");
qmlRegisterUncreatableType<WeatherNotification>("com.javispedro.sowatch", 1, 0,
"WeatherNotification", "WeatherNotification is an abstract class");
qmlRegisterType<ConfigKey>();
qmlRegisterType<GConfKey>("com.javispedro.sowatch", 1, 0, "GConfKey");
_registered = true;
}
// A dynamic property on the Watch object is used to share a single
// DeclarativeEngine amongst all DeclarativeWatchlet instances.
QVariant watchEngine = watch->property("declarativeEngine");
if (!watchEngine.isValid()) {
// Create the shared engine
qDebug() << "Starting QDeclarativeEngine";
_engine = new QDeclarativeEngine(watch);
_engine->addImportPath(SOWATCH_QML_DIR);
// Set context properties that are shared by all watchlets here
_engine->rootContext()->setContextProperty("watchlets", 0);
_engine->rootContext()->setContextProperty("notifications", 0);
watch->setProperty("declarativeEngine", QVariant::fromValue(_engine));
} else {
_engine = watchEngine.value<QDeclarativeEngine*>();
}
_context = new QDeclarativeContext(_engine, this);
_wrapper = new DeclarativeWatchWrapper(watch, this);
_context->setContextProperty("watch", _wrapper);
}
DeclarativeWatchlet::~DeclarativeWatchlet()
{
}
void DeclarativeWatchlet::setSource(const QUrl &url)
{
if (_item) {
scene()->removeItem(_item);
delete _item;
_item = 0;
}
if (_component) {
delete _component;
_component = 0;
}
if (!url.isEmpty()) {
_component = new QDeclarativeComponent(_engine, url, this);
connect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
if (!_component->isLoading()) {
/* No signals are going to be generated for this. */
handleComponentStatus(_component->status());
} else {
connect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
this, SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
}
}
}
QDeclarativeContext* DeclarativeWatchlet::context()
{
return _context;
}
QDeclarativeItem* DeclarativeWatchlet::rootObject()
{
return _item;
}
void DeclarativeWatchlet::activate()
{
// Now we certainly know the watch's area, so it is a good moment to
// resize the root object if needed.
if (_item) {
Watch *watch = this->watch();
if (!qFuzzyCompare(watch->width(), _item->width())) {
qDebug() << "Resizing root object to width" << watch->width();
_item->setWidth(watch->width());
}
if (!qFuzzyCompare(watch->height(), _item->height())) {
qDebug() << "Resizing root object to height" << watch->width();
_item->setHeight(watch->height());
}
} else {
qWarning() << "Declarative watchlet will not render: missing root object";
}
GraphicsWatchlet::activate();
_wrapper->activate();
}
void DeclarativeWatchlet::deactivate()
{
_wrapper->deactivate();
GraphicsWatchlet::deactivate();
}
void DeclarativeWatchlet::setWatchletsModel(WatchletsModel *model)
{
_context->setContextProperty("watchlets", model);
}
void DeclarativeWatchlet::setNotificationsModel(NotificationsModel *model)
{
_context->setContextProperty("notifications", model);
}
void DeclarativeWatchlet::setRootObject(QDeclarativeItem *item)
{
Q_ASSERT(_item == 0); /* This function should not be called with a current object. */
if (!item) {
qWarning() << "QML root object is not a declarative item?";
return;
}
_item = item;
scene()->addItem(_item);
}
bool DeclarativeWatchlet::handlesNotification(Notification *notification) const
{
if (_item) {
QVariant arg = QVariant::fromValue(notification);
QVariant result;
if (QMetaObject::invokeMethod(_item, "handlesNotification",
Q_RETURN_ARG(QVariant, result),
Q_ARG(QVariant, arg))) {
return result.toBool();
}
}
return false;
}
void DeclarativeWatchlet::openNotification(Notification *notification)
{
if (_item) {
QVariant arg = QVariant::fromValue(notification);
QVariant result;
if (!QMetaObject::invokeMethod(_item, "openNotification",
Q_RETURN_ARG(QVariant, result),
Q_ARG(QVariant, arg))) {
qWarning() << "No openNotification method in QML root object";
}
}
}
void DeclarativeWatchlet::handleComponentStatus(QDeclarativeComponent::Status status)
{
QObject *obj;
disconnect(_component, SIGNAL(statusChanged(QDeclarativeComponent::Status)),
this, SLOT(handleComponentStatus(QDeclarativeComponent::Status)));
switch (status) {
case QDeclarativeComponent::Null:
case QDeclarativeComponent::Loading:
/* Nothing to do */
break;
case QDeclarativeComponent::Ready:
obj = _component->create(_context);
if (_component->isError()) {
qWarning() << "QML has errors found while creating:";
qWarning() << _component->errors();
return;
}
setRootObject(qobject_cast<QDeclarativeItem*>(obj));
break;
case QDeclarativeComponent::Error:
qWarning() << "QML has errors found while loading:";
qWarning() << _component->errors();
break;
}
}
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