147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/*
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* Copyright 2014 by Aleix Pol Gonzalez <aleixpol@blue-systems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "timetracker.h"
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#include <containment.h>
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#include <QDateTime>
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#include <qmetaobject.h>
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#include <QFile>
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#include <qjsondocument.h>
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#include <qjsonarray.h>
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#include <QTimer>
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using namespace Plasma;
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struct TimeTrackerWriter : QObject {
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Q_OBJECT
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public:
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TimeTrackerWriter() {
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QObject::connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, static_cast<void (TimeTrackerWriter::*)()>(&TimeTrackerWriter::print));
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}
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void print() {
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QJsonArray array;
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Q_FOREACH(const ObjectHistory& history, m_data) {
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QVariantMap map;
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map["events"] = serializeEvents(history.events);
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map["initial"] = history.initial;
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array.append(QJsonValue::fromVariant(map));
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}
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Q_ASSERT(array.count() == m_data.count());
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QJsonDocument doc;
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doc.setArray(array);
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QFile f(QStringLiteral("/tmp/debug-")+qgetenv("USER")+".json");
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bool b = f.open(QFile::WriteOnly);
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Q_ASSERT(b);
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f.write(doc.toJson());
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}
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void feed(QObject* obj, const ObjectHistory& tracker)
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{
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m_data[obj] = tracker;
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}
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QHash<QObject*, ObjectHistory> m_data;
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private:
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QVariantList serializeEvents(const QVector<TimeEvent>& events) const {
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QVariantList ret;
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Q_ASSERT(!events.isEmpty());
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foreach(const TimeEvent& ev, events) {
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QVariantMap map;
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map["comment"] = ev.comment;
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map["time"] = ev.moment.toMSecsSinceEpoch();
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ret.append(map);
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}
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Q_ASSERT(ret.count() == events.count());
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return ret;
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}
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};
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Q_GLOBAL_STATIC(TimeTrackerWriter, s_writer);
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TimeTracker::TimeTracker(QObject* o)
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: QObject(o)
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{
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m_history.events.append(TimeEvent { QDateTime::currentDateTime(), QString("constructed %1 %2").arg(o->metaObject()->className()).arg(o->objectName()) });
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QTimer* t = new QTimer(this);
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t->setInterval(2000);
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t->setSingleShot(false);
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connect(t, SIGNAL(timeout()), this, SLOT(sync()));
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t->start();
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QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection);
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}
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void TimeTracker::init()
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{
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QMetaMethod propChange = metaObject()->method(metaObject()->indexOfSlot("propertyChanged()"));
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Q_ASSERT(propChange.isValid() && metaObject()->indexOfSlot("propertyChanged()")>=0);
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QObject* o = parent();
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for (int i = 0, pc = o->metaObject()->propertyCount(); i<pc; ++i) {
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QMetaProperty prop = o->metaObject()->property(i);
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if (prop.isFinal() || prop.isConstant())
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m_history.initial[prop.name()] = prop.read(o);
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if (prop.hasNotifySignal())
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connect(o, prop.notifySignal(), this, propChange);
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}
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}
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TimeTracker::~TimeTracker()
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{
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sync();
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}
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void TimeTracker::sync()
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{
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s_writer->feed(parent(), m_history);
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}
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void TimeTracker::propertyChanged()
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{
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Q_ASSERT(sender() == parent());
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const QMetaObject* mo = parent()->metaObject();
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for (int i = 0, pc = mo->propertyCount(); i<pc; ++i) {
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QMetaProperty prop = mo->property(i);
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if (prop.notifySignalIndex() == senderSignalIndex()) {
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QString val;
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if (prop.type() < QVariant::UserType) {
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QVariant var = prop.read(parent());
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if(var.canConvert<QString>()) {
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val = var.toString();
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}
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}
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if (val.isEmpty()) {
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val = QString("<unknown %1>").arg(prop.typeName());
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}
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m_history.events.append(TimeEvent { QDateTime::currentDateTime(), QString("property %1 changed to %2").arg(prop.name()).arg(val)});
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break;
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}
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}
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}
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#include "timetracker.moc"
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