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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "qmlpreview_global.h"
#include <qmldebug/qmldebugclient.h>
#include <qmldebug/qmlprofilertraceclient.h>
#include <qmldebug/quickeventreplayclient.h>
#include <QTimer>
namespace QmlPreview {
class QMLPREVIEW_EXPORT QmlPreviewClient : public QmlDebug::QmlDebugClient
{
Q_OBJECT
public:
enum Command {
File,
Load,
Request,
Error,
Rerun,
Directory,
ClearCache,
Zoom,
Fps,
AnimationSpeed,
};
struct FpsInfo {
quint16 numSyncs = 0;
quint16 minSync = std::numeric_limits<quint16>::max();
quint16 maxSync = 0;
quint16 totalSync = 0;
quint16 numRenders = 0;
quint16 minRender = std::numeric_limits<quint16>::max();
quint16 maxRender = 0;
quint16 totalRender = 0;
};
explicit QmlPreviewClient(QmlDebug::QmlDebugConnection *connection);
void loadUrl(const QUrl &url);
void rerun();
void zoom(float zoomFactor);
void announceFile(const QString &path, const QByteArray &contents);
void announceDirectory(const QString &path, const QStringList &entries);
void announceError(const QString &path);
void clearCache();
void setAnimationSpeed(float factor);
void messageReceived(const QByteArray &message) override;
void stateChanged(State state) override;
#if WITH_TESTS
void injectEvents(
const QList<QmlDebug::QmlEventType> &types, const QList<QmlDebug::QmlEvent> events)
{
m_eventTypes = types;
m_events = events;
}
#endif
signals:
void pathRequested(const QString &path);
void errorReported(const QString &error);
void fpsReported(const FpsInfo &fpsInfo);
void debugServiceUnavailable();
private:
int appendEventType(QmlDebug::QmlEventType &&type);
void appendEvent(QmlDebug::QmlEvent &&event);
// Use QScopedPointerDeleteLater here. The connection will call stateChanged() on all clients
// that are alive when it gets disconnected. One way to notice a disconnection is failing to
// send the plugin advertisement when a client unregisters. If one of the other clients is
// half-destructed at that point, we get invalid memory accesses. Therefore, we cannot nest the
// dtor calls.
std::unique_ptr<QmlDebug::QmlProfilerTraceClient, QScopedPointerDeleteLater> m_recordClient;
std::unique_ptr<QmlDebug::QuickEventReplayClient, QScopedPointerDeleteLater> m_replayClient;
QList<QmlDebug::QmlEventType> m_eventTypes;
QList<QmlDebug::QmlEvent> m_events;
QTimer m_replayTimer;
qsizetype m_numExpectedEvents = 0;
};
} // namespace QmlPreview
Q_DECLARE_METATYPE(QmlPreview::QmlPreviewClient::FpsInfo)
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