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#include "qqmlabstractprofileradapter_p.h"

QT_BEGIN_NAMESPACE

/*!
 * \class QQmlAbstractProfilerAdapter
 * Abstract base class for all adapters between profilers and the QQmlProfilerService. Adapters have
 * to retrieve profiler-specific data and convert it to the format sent over the wire. Adapters must
 * live in the QDebugServer thread but the actual profilers can live in different threads. The
 * recommended way to deal with this is passing the profiling data through a signal/slot connection.
 */

/*!
 * \fn void QQmlAbstractProfilerAdapter::dataReady(QQmlAbstractProfilerAdapter *)
 * Signals that data has been extracted from the profiler and is readily available in the adapter.
 * The primary data representation is in satellite's format. It should be transformed and deleted
 * on the fly with sendMessages.
 */

/*!
 * \fn void QQmlAbstractProfilerAdapter::dataRequested()
 * Signals that data has been requested by the \c QQmlProfilerService. This signal should be
 * connected to a slot in the profiler and the profiler should then transfer its currently available
 * profiling data to the adapter as soon as possible.
 */

/*!
 * \fn qint64 QQmlAbstractProfilerAdapter::sendMessages(qint64 until, QList<QByteArray> &messages)
 * Append the messages up to the timestamp \a until, chronologically sorted, to \a messages. Keep
 * track of the messages already sent and with each subsequent call to this method start with the
 * first one not yet sent. Messages that have been sent can be deleted. When new data from the
 * profiler arrives the information about the last sent message must be reset. Return the timestamp
 * of the next message after \a until or \c -1 if there is no such message.
 * The profiler service keeps a list of adapters, sorted by time of next message and keeps querying
 * the first one to send messages up to the time of the second one. Like that we get chronologically
 * sorted messages and can occasionally post the messages to exploit parallelism and save memory.
 */

/*!
 * \fn qint64 QQmlAbstractProfilerAdapter::startProfiling()
 * Emits either \c profilingEnabled() or \c profilingEnabledWhileWaiting(), depending on \c waiting.
 * If the profiler's thread is waiting for an initial start signal we can emit the signal over a
 * \c Qt::DirectConnection to avoid the delay of the event loop.
 */
void QQmlAbstractProfilerAdapter::startProfiling()
{
    if (waiting)
        emit profilingEnabledWhileWaiting();
    else
        emit profilingEnabled();
    running = true;
}

/*!
 * \fn qint64 QQmlAbstractProfilerAdapter::stopProfiling()
 * Emits either \c profilingDisabled() or \c profilingDisabledWhileWaiting(), depending on
 * \c waiting. If the profiler's thread is waiting for an initial start signal we can emit the
 * signal over a \c Qt::DirectConnection to avoid the delay of the event loop.
 */
void QQmlAbstractProfilerAdapter::stopProfiling() {
    if (waiting)
        emit profilingDisabledWhileWaiting();
    else
        emit profilingDisabled();
    running = false;
}

QT_END_NAMESPACE