#include #include #include "watchserver.h" #include "watch.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) { qmlRegisterUncreatableType("com.javispedro.sowatch", 1, 0, "Watch", "Watch is only available via the 'watch' context property"); qmlRegisterUncreatableType("com.javispedro.sowatch", 1, 0, "NotificationsModel", "NotificationsModel is only available via the 'notifications' context property"); qmlRegisterType(); qmlRegisterType("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("notifications", 0); watch->setProperty("declarativeEngine", QVariant::fromValue(_engine)); } else { _engine = watchEngine.value(); } _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()); } } GraphicsWatchlet::activate(); _wrapper->activate(); } void DeclarativeWatchlet::deactivate() { _wrapper->deactivate(); GraphicsWatchlet::deactivate(); } void DeclarativeWatchlet::setNotificationsModel(NotificationsModel *model) { qDebug() << Q_FUNC_INFO; _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); } 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(obj)); break; case QDeclarativeComponent::Error: qWarning() << "QML has errors found while loading:"; qWarning() << _component->errors(); break; } }