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#include <QtCore/QDebug>
#include <QtDeclarative/QtDeclarative>
#include "watchserver.h"
#include "declarativewatchwrapper.h"
#include "declarativewatchlet.h"
using namespace sowatch;
bool DeclarativeWatchlet::_registered = false;
DeclarativeWatchlet::DeclarativeWatchlet(WatchServer* server, const QString& id) :
GraphicsWatchlet(server, id),
_engine(0),
_component(0),
_item(0),
_wrapper(0)
{
setScene(new QGraphicsScene(this));
if (!_registered) {
qmlRegisterUncreatableType<DeclarativeWatchWrapper>("com.javispedro.sowatch", 1, 0,
"Watch", "Watch is only available via attached properties");
_registered = true;
}
_engine = new QDeclarativeEngine(this);
_wrapper = new DeclarativeWatchWrapper(server->watch(), this);
_engine->rootContext()->setContextProperty("watch", _wrapper);
}
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)));
}
}
}
void DeclarativeWatchlet::activate()
{
_wrapper->activate();
_scene->update();
}
void DeclarativeWatchlet::deactivate()
{
_wrapper->deactivate();
}
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();
if (_component->isError()) {
qWarning() << "QML has instantation errors:";
qWarning() << _component->errors();
return;
}
Q_ASSERT(_item == 0);
_item = qobject_cast<QDeclarativeItem*>(obj);
scene()->addItem(_item);
break;
case QDeclarativeComponent::Error:
qWarning() << "QML has errors:";
qWarning() << _component->errors();
break;
}
}
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