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#include "qmlapplication.h"
#include "moc_qmlapplication.cpp"
#include "qml/asyncimageprovider.h"
#include "qml/qmlconfigproxy.h"
#include "qml/qmlcontrolproxy.h"
#include "qml/qmleffectmanifestparametersmodel.h"
#include "qml/qmleffectslotproxy.h"
#include "qml/qmleffectsmanagerproxy.h"
#include "qml/qmllibraryproxy.h"
#include "qml/qmllibrarytracklistmodel.h"
#include "qml/qmlplayermanagerproxy.h"
#include "qml/qmlplayerproxy.h"
#include "qml/qmlvisibleeffectsmodel.h"
#include "qml/qmlwaveformoverview.h"
#include "soundio/soundmanager.h"
namespace {
const QString kMainQmlFileName = QStringLiteral("skins/QMLDemo/main.qml");
// Converts a (capturing) lambda into a function pointer that can be passed to
// qmlRegisterSingletonType.
template<class F>
auto lambda_to_singleton_type_factory_ptr(F&& f) {
static F fn = std::forward<F>(f);
return [](QQmlEngine* pEngine, QJSEngine* pScriptEngine) -> QObject* {
return fn(pEngine, pScriptEngine);
};
}
} // namespace
namespace mixxx {
namespace skin {
namespace qml {
QmlApplication::QmlApplication(
QApplication* app,
std::shared_ptr<CoreServices> pCoreServices)
: m_pCoreServices(pCoreServices),
m_mainFilePath(pCoreServices->getSettings()->getResourcePath() + kMainQmlFileName),
m_pAppEngine(nullptr),
m_fileWatcher({m_mainFilePath}) {
m_pCoreServices->initialize(app);
SoundDeviceError result = m_pCoreServices->getSoundManager()->setupDevices();
if (result != SOUNDDEVICE_ERROR_OK) {
qCritical() << "Error setting up sound devices" << result;
exit(result);
}
qmlRegisterType<QmlControlProxy>("Mixxx", 0, 1, "ControlProxy");
qmlRegisterType<QmlWaveformOverview>("Mixxx", 0, 1, "WaveformOverview");
// Any uncreateable non-singleton types registered here require arguments
// that we don't want to expose to QML directly. Instead, they can be
// retrieved by member properties or methods from the singleton types.
//
// The alternative would be to register their *arguments* in the QML
// system, which would improve nothing, or we had to expose them as
// singletons to that they can be accessed by components instantiated by
// QML, which would also be suboptimal.
qmlRegisterSingletonType<QmlEffectsManagerProxy>("Mixxx",
0,
1,
"EffectsManager",
lambda_to_singleton_type_factory_ptr(
[pCoreServices](QQmlEngine* pEngine,
QJSEngine* pScriptEngine) -> QObject* {
Q_UNUSED(pScriptEngine);
QmlEffectsManagerProxy* pEffectsManagerProxy =
new QmlEffectsManagerProxy(
pCoreServices->getEffectsManager(),
pEngine);
return pEffectsManagerProxy;
}));
qmlRegisterUncreatableType<QmlVisibleEffectsModel>("Mixxx",
0,
1,
"VisibleEffectsModel",
"VisibleEffectsModel objects can't be created directly, please use "
"Mixxx.EffectsManager.visibleEffectsModel");
qmlRegisterUncreatableType<QmlEffectManifestParametersModel>("Mixxx",
0,
1,
"EffectManifestParametersModel",
"EffectManifestParametersModel objects can't be created directly, "
"please use Mixxx.EffectsSlot.parametersModel");
qmlRegisterUncreatableType<QmlEffectSlotProxy>("Mixxx",
0,
1,
"EffectSlotProxy",
"EffectSlotProxy objects can't be created directly, please use "
"Mixxx.EffectsManager.getEffectSlot(rackNumber, unitNumber, effectNumber)");
qmlRegisterSingletonType<QmlPlayerManagerProxy>("Mixxx",
0,
1,
"PlayerManager",
lambda_to_singleton_type_factory_ptr(
[pCoreServices](QQmlEngine* pEngine,
QJSEngine* pScriptEngine) -> QObject* {
Q_UNUSED(pScriptEngine);
QmlPlayerManagerProxy* pPlayerManagerProxy =
new QmlPlayerManagerProxy(
pCoreServices->getPlayerManager(),
pEngine);
return pPlayerManagerProxy;
}));
qmlRegisterUncreatableType<QmlPlayerProxy>("Mixxx",
0,
1,
"Player",
"Player objects can't be created directly, please use "
"Mixxx.PlayerManager.getPlayer(group)");
const auto pSettings = m_pCoreServices->getSettings();
qmlRegisterSingletonType<QmlConfigProxy>("Mixxx",
0,
1,
"Config",
lambda_to_singleton_type_factory_ptr(
[pSettings](QQmlEngine* pEngine,
QJSEngine* pScriptEngine) -> QObject* {
Q_UNUSED(pScriptEngine);
QmlConfigProxy* pConfigProxy =
new QmlConfigProxy(
pSettings,
pEngine);
return pConfigProxy;
}));
qmlRegisterUncreatableType<QmlLibraryTrackListModel>("Mixxx",
0,
1,
"LibraryTrackListModel",
"LibraryTrackListModel objects can't be created directly, "
"please use Mixxx.Library.model");
qmlRegisterSingletonType<QmlLibraryProxy>("Mixxx",
0,
1,
"Library",
lambda_to_singleton_type_factory_ptr(
[pCoreServices](QQmlEngine* pEngine,
QJSEngine* pScriptEngine) -> QObject* {
Q_UNUSED(pScriptEngine);
QmlLibraryProxy* pLibraryProxy = new QmlLibraryProxy(
pCoreServices->getLibrary(),
pEngine);
return pLibraryProxy;
}));
loadQml(m_mainFilePath);
connect(&m_fileWatcher,
&QFileSystemWatcher::fileChanged,
this,
&QmlApplication::loadQml);
}
void QmlApplication::loadQml(const QString& path) {
// QQmlApplicationEngine::load creates a new window but also leaves the old one,
// so it is necessary to destroy the old QQmlApplicationEngine and create a new one.
m_pAppEngine = std::make_unique<QQmlApplicationEngine>();
const QFileInfo fileInfo(path);
m_pAppEngine->addImportPath(fileInfo.absoluteDir().absolutePath());
// No memory leak here, the QQmlEngine takes ownership of the provider
QQuickAsyncImageProvider* pImageProvider = new AsyncImageProvider();
m_pAppEngine->addImageProvider(AsyncImageProvider::kProviderName, pImageProvider);
m_pAppEngine->load(path);
if (m_pAppEngine->rootObjects().isEmpty()) {
qCritical() << "Failed to load QML file" << path;
}
}
} // namespace qml
} // namespace skin
} // namespace mixxx
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