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#include <QtDebug>
#include "control/controlobjectscript.h"
ControlObjectScript::ControlObjectScript(const ConfigKey& key, QObject* pParent)
: ControlProxy(key, pParent, ControlFlag::NoAssertIfMissing) {
}
bool ControlObjectScript::addScriptConnection(const ScriptConnection& conn) {
if (m_scriptConnections.isEmpty()) {
// Only connect the slots when they are actually needed
// by script connections.
connect(m_pControl.data(),
&ControlDoublePrivate::valueChanged,
this,
&ControlObjectScript::slotValueChanged,
Qt::QueuedConnection);
connect(this,
&ControlObjectScript::trigger,
this,
&ControlObjectScript::slotValueChanged,
Qt::QueuedConnection);
}
for (const auto& priorConnection : qAsConst(m_scriptConnections)) {
if (conn == priorConnection) {
qWarning() << "Connection " + conn.id.toString() +
" already connected to (" +
conn.key.group + ", " + conn.key.item +
"). Ignoring attempt to connect again.";
return false;
}
}
m_scriptConnections.append(conn);
controllerDebug("Connected (" +
conn.key.group + ", " + conn.key.item +
") to connection " + conn.id.toString());
return true;
}
bool ControlObjectScript::removeScriptConnection(const ScriptConnection& conn) {
bool success = m_scriptConnections.removeOne(conn);
if (success) {
controllerDebug("Disconnected (" +
conn.key.group + ", " + conn.key.item +
") from connection " + conn.id.toString());
} else {
qWarning() << "Failed to disconnect (" +
conn.key.group + ", " + conn.key.item +
") from connection " + conn.id.toString();
}
if (m_scriptConnections.isEmpty()) {
// no ScriptConnections left, so disconnect signals
disconnect(m_pControl.data(),
&ControlDoublePrivate::valueChanged,
this,
&ControlObjectScript::slotValueChanged);
disconnect(this,
&ControlObjectScript::trigger,
this,
&ControlObjectScript::slotValueChanged);
}
return success;
}
void ControlObjectScript::disconnectAllConnectionsToFunction(const QJSValue& function) {
// Make a local copy of m_scriptConnections because items are removed within the loop.
const QList<ScriptConnection> connections = m_scriptConnections;
for (const auto& conn: connections) {
if (conn.callback.strictlyEquals(function)) {
removeScriptConnection(conn);
}
}
}
void ControlObjectScript::slotValueChanged(double value, QObject*) {
// Make a local copy of m_connectedScriptFunctions first.
// This allows a script to disconnect a callback from inside the
// the callback. Otherwise the this may crash since the disconnect call
// happens during conn.function.call() in the middle of the loop below.
const QList<ScriptConnection> connections = m_scriptConnections;
for (auto&& conn: connections) {
conn.executeCallback(value);
}
}
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