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#include "qml/qmlcontrolproxy.h"
#include "moc_qmlcontrolproxy.cpp"
namespace mixxx {
namespace skin {
namespace qml {
namespace {
constexpr double kDefaultValue = 0.0;
constexpr double kDefaultParameter = 0.0;
} // namespace
QmlControlProxy::QmlControlProxy(QObject* parent)
: QObject(parent),
m_isComponentComplete(false),
m_pControlProxy(nullptr) {
}
void QmlControlProxy::componentComplete() {
m_isComponentComplete = true;
reinitializeFromKey();
}
bool QmlControlProxy::isKeyValid() const {
return m_coKey.isValid();
}
bool QmlControlProxy::isInitialized() const {
return m_pControlProxy != nullptr;
}
void QmlControlProxy::setGroup(const QString& group) {
if (m_coKey.group == group) {
return;
}
const bool keyValidBeforeSet = isKeyValid();
m_coKey.group = group;
emit groupChanged(group);
const bool keyValidAfterSet = isKeyValid();
if (keyValidBeforeSet != keyValidAfterSet) {
emit keyValidChanged(keyValidAfterSet);
}
reinitializeFromKey();
}
const QString& QmlControlProxy::getGroup() const {
return m_coKey.group;
}
void QmlControlProxy::setKey(const QString& key) {
if (m_coKey.item == key) {
return;
}
const bool keyValidBeforeSet = isKeyValid();
m_coKey.item = key;
emit keyChanged(key);
const bool keyValidAfterSet = isKeyValid();
if (keyValidBeforeSet != keyValidAfterSet) {
emit keyValidChanged(keyValidAfterSet);
}
reinitializeFromKey();
}
const QString& QmlControlProxy::getKey() const {
return m_coKey.item;
}
void QmlControlProxy::setValue(double newValue) {
if (!isInitialized()) {
emit valueChanged(kDefaultValue);
return;
}
m_pControlProxy->set(newValue);
slotControlProxyValueChanged(newValue);
}
double QmlControlProxy::getValue() const {
if (!isInitialized()) {
return kDefaultValue;
}
return m_pControlProxy->get();
}
void QmlControlProxy::setParameter(double newValue) {
if (!isInitialized()) {
emit parameterChanged(kDefaultValue);
return;
}
m_pControlProxy->setParameter(newValue);
emit valueChanged(m_pControlProxy->get());
emit parameterChanged(newValue);
}
double QmlControlProxy::getParameter() const {
if (!isInitialized()) {
return kDefaultParameter;
}
return m_pControlProxy->getParameter();
}
void QmlControlProxy::reset() {
if (!isInitialized()) {
return;
}
m_pControlProxy->reset();
}
void QmlControlProxy::reinitializeFromKey() {
// Just ignore this if the component is still loading, because group or key may not be set yet.
if (!m_isComponentComplete) {
return;
}
// We don't need to reinitialize or reset the underlying control proxy if
// the CO key didn't change.
if (isInitialized() && m_coKey == m_pControlProxy->getKey()) {
return;
}
// If the key is invalid, reset the control proxy if necessary.
if (!isKeyValid()) {
qWarning() << "QmlControlProxy: Tried to initialize CO" << m_coKey
<< " with invalid key, resetting...";
if (isInitialized()) {
m_pControlProxy.reset();
emit initializedChanged(false);
}
return;
}
// We don't need to warn here if the control is missing, because we'll do a
// check below and print a warning anyway. If the key is invalid, this will
// still trigger an assertion because we checked the key validity above. If
// it's still invalid, that's a programming error.
std::unique_ptr<ControlProxy> pControlProxy =
std::make_unique<ControlProxy>(
m_coKey, this, ControlFlag::NoWarnIfMissing);
// This should never happen, but it doesn't hurt to check.
VERIFY_OR_DEBUG_ASSERT(pControlProxy != nullptr) {
qWarning() << "QmlControlProxy: Requested CO " << m_coKey
<< " returned nullptr, resetting...";
if (isInitialized()) {
m_pControlProxy.reset();
emit initializedChanged(false);
}
return;
}
// If the control does not exist, reset the control proxy if necessary.
if (!pControlProxy->valid()) {
qWarning() << "QmlControlProxy: Requested CO" << m_coKey << " does not exist, resetting...";
if (isInitialized()) {
m_pControlProxy.reset();
emit initializedChanged(false);
}
return;
}
// Set the control proxy and emit signal
const bool wasInitialized = isInitialized();
m_pControlProxy = std::move(pControlProxy);
if (!wasInitialized) {
emit initializedChanged(true);
}
m_pControlProxy->connectValueChanged(this, &QmlControlProxy::slotControlProxyValueChanged);
slotControlProxyValueChanged(m_pControlProxy->get());
}
void QmlControlProxy::slotControlProxyValueChanged(double newValue) {
emit valueChanged(newValue);
emit parameterChanged(m_pControlProxy->getParameter());
}
} // namespace qml
} // namespace skin
} // namespace mixxx
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