qt-creator/share/qtcreator/qml/qmljsdebugger/qdeclarativeobserverservice.cpp

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** This file is part of the QtDeclarative module of the Qt Toolkit.
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#include "qdeclarativeobserverservice.h"

#include <observerprotocol.h>

#include <QStringList>
#include <QColor>

namespace QmlJSDebugger {

Q_GLOBAL_STATIC(QDeclarativeObserverService, serviceInstance)

QDeclarativeObserverService::QDeclarativeObserverService()
    : QDeclarativeDebugService(QLatin1String("QDeclarativeObserverMode"))
{
}

QDeclarativeObserverService *QDeclarativeObserverService::instance()
{
    return serviceInstance();
}

void QDeclarativeObserverService::statusChanged(Status status)
{
    emit debuggingClientChanged((status == Enabled));
}

void QDeclarativeObserverService::messageReceived(const QByteArray &message)
{
    QDataStream ds(message);

    ObserverProtocol::Message type;
    ds >> type;

    switch (type) {
    case ObserverProtocol::SetCurrentObjects: {
        int itemCount = 0;
        ds >> itemCount;

        QList<QObject*> selectedObjects;
        for (int i = 0; i < itemCount; ++i) {
            int debugId = -1;
            ds >> debugId;
            QObject *obj = objectForId(debugId);

            if (obj)
                selectedObjects << obj;
        }

        emit currentObjectsChanged(selectedObjects);
        break;
    }
    case ObserverProtocol::Reload: {
        emit reloadRequested();
        break;
    }
    case ObserverProtocol::SetAnimationSpeed: {
        qreal speed;
        ds >> speed;
        emit animationSpeedChangeRequested(speed);
        break;
    }
    case ObserverProtocol::ChangeTool: {
        ObserverProtocol::Tool tool;
        ds >> tool;
        switch (tool) {
        case ObserverProtocol::ColorPickerTool:
            emit colorPickerToolRequested();
            break;
        case ObserverProtocol::SelectTool:
            emit selectToolRequested();
            break;
        case ObserverProtocol::SelectMarqueeTool:
            emit selectMarqueeToolRequested();
            break;
        case ObserverProtocol::ZoomTool:
            emit zoomToolRequested();
            break;
        default:
            qWarning() << "Warning: Unhandled tool:" << tool;
        }
        break;
    }
    case ObserverProtocol::SetDesignMode: {
        bool inDesignMode;
        ds >> inDesignMode;
        emit designModeBehaviorChanged(inDesignMode);
        break;
    }
    case ObserverProtocol::ShowAppOnTop: {
        bool showOnTop;
        ds >> showOnTop;
        emit showAppOnTopChanged(showOnTop);
        break;
    }
    case ObserverProtocol::CreateObject: {
        QString qml;
        int parentId;
        QString filename;
        QStringList imports;
        ds >> qml >> parentId >> imports >> filename;
        emit objectCreationRequested(qml, objectForId(parentId), imports, filename);
        break;
    }
    case ObserverProtocol::DestroyObject: {
        int debugId;
        ds >> debugId;
        if (QObject* obj = objectForId(debugId))
            obj->deleteLater();
        break;
    }
    case ObserverProtocol::MoveObject: {
        int debugId, newParent;
        ds >> debugId >> newParent;
        emit objectReparentRequested(objectForId(debugId), objectForId(newParent));
        break;
    }
    case ObserverProtocol::ObjectIdList: {
        int itemCount;
        ds >> itemCount;
        m_stringIdForObjectId.clear();
        for (int i = 0; i < itemCount; ++i) {
            int itemDebugId;
            QString itemIdString;
            ds >> itemDebugId
               >> itemIdString;

            m_stringIdForObjectId.insert(itemDebugId, itemIdString);
        }
        break;
    }
    case ObserverProtocol::SetContextPathIdx: {
        int contextPathIndex;
        ds >> contextPathIndex;
        emit contextPathIndexChanged(contextPathIndex);
        break;
    }
    case ObserverProtocol::ClearComponentCache: {
        emit clearComponentCacheRequested();
        break;
    }
    default:
        qWarning() << "Warning: Not handling message:" << type;
    }
}

void QDeclarativeObserverService::setDesignModeBehavior(bool inDesignMode)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::SetDesignMode
       << inDesignMode;

    sendMessage(message);
}

void QDeclarativeObserverService::setCurrentObjects(QList<QObject*> objects)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::CurrentObjectsChanged
       << objects.length();

    foreach (QObject *object, objects) {
        int id = idForObject(object);
        ds << id;
    }

    sendMessage(message);
}

void QDeclarativeObserverService::setCurrentTool(QmlJSDebugger::Constants::DesignTool toolId)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::ToolChanged
       << toolId;

    sendMessage(message);
}

void QDeclarativeObserverService::setAnimationSpeed(qreal slowdownFactor)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::AnimationSpeedChanged
       << slowdownFactor;

    sendMessage(message);
}

void QDeclarativeObserverService::reloaded()
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::Reloaded;

    sendMessage(message);
}

void QDeclarativeObserverService::setShowAppOnTop(bool showAppOnTop)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::ShowAppOnTop << showAppOnTop;

    sendMessage(message);
}

void QDeclarativeObserverService::selectedColorChanged(const QColor &color)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::ColorChanged
       << color;

    sendMessage(message);
}

void QDeclarativeObserverService::contextPathUpdated(const QStringList &contextPath)
{
    QByteArray message;
    QDataStream ds(&message, QIODevice::WriteOnly);

    ds << ObserverProtocol::ContextPathUpdated
       << contextPath;

    sendMessage(message);
}

QString QDeclarativeObserverService::idStringForObject(QObject *obj) const
{
    int id = idForObject(obj);
    QString idString = m_stringIdForObjectId.value(id, QString());
    return idString;
}

void QDeclarativeObserverService::sendMessage(const QByteArray &message)
{
    if (status() != Enabled)
        return;

    QDeclarativeDebugService::sendMessage(message);
}

} // namespace QmlJSDebugger