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Diffstat (limited to 'plugins/qmlprofiler/qmlprofileroverviewmodelproxy.cpp')
| -rw-r--r-- | plugins/qmlprofiler/qmlprofileroverviewmodelproxy.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/plugins/qmlprofiler/qmlprofileroverviewmodelproxy.cpp b/plugins/qmlprofiler/qmlprofileroverviewmodelproxy.cpp new file mode 100644 index 0000000000..8da8ccd2d2 --- /dev/null +++ b/plugins/qmlprofiler/qmlprofileroverviewmodelproxy.cpp @@ -0,0 +1,227 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of Qt Creator. +** +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +****************************************************************************/ + +#include "qmlprofileroverviewmodelproxy.h" +#include "qmlprofilermodelmanager.h" +#include "qmlprofilersimplemodel.h" + +#include <qmldebug/qmlprofilereventtypes.h> + +#include <QVector> +#include <QHash> +#include <QUrl> +#include <QStack> +#include <QString> + +#include <QDebug> + +namespace QmlProfiler { +namespace Internal { + +class QmlProfilerOverviewModelProxy::QmlProfilerOverviewModelProxyPrivate +{ +public: + QmlProfilerOverviewModelProxyPrivate(QmlProfilerOverviewModelProxy *qq) : q(qq) {} + ~QmlProfilerOverviewModelProxyPrivate() {} + + QVector <QmlProfilerOverviewModelProxy::QmlOverviewEvent> data; + int rowCount; + + QmlProfilerModelManager *modelManager; + QmlProfilerOverviewModelProxy *q; +}; + +QmlProfilerOverviewModelProxy::QmlProfilerOverviewModelProxy(QmlProfilerModelManager *modelManager, QObject *parent) + : QObject(parent), d(new QmlProfilerOverviewModelProxyPrivate(this)) +{ + d->modelManager = modelManager; + connect(modelManager->simpleModel(),SIGNAL(changed()),this,SLOT(dataChanged())); + connect(modelManager,SIGNAL(countChanged()),this,SIGNAL(countChanged())); +} + +QmlProfilerOverviewModelProxy::~QmlProfilerOverviewModelProxy() +{ + delete d; +} + +const QVector<QmlProfilerOverviewModelProxy::QmlOverviewEvent> QmlProfilerOverviewModelProxy::getData() const +{ + return d->data; +} +void QmlProfilerOverviewModelProxy::clear() +{ + d->data.clear(); + d->rowCount = 0; +} + +void QmlProfilerOverviewModelProxy::dataChanged() +{ + loadData(); + + emit dataAvailable(); + emit emptyChanged(); +} + +void QmlProfilerOverviewModelProxy::detectBindingLoops() +{ + QStack<int> callStack; + + static QVector<int> acceptedTypes = + QVector<int>() << QmlDebug::Compiling << QmlDebug::Creating + << QmlDebug::Binding << QmlDebug::HandlingSignal; + + + for (int i = 0; i < d->data.size(); ++i) { + QmlOverviewEvent *event = &d->data[i]; + + if (!acceptedTypes.contains(event->eventType)) + continue; + + QmlOverviewEvent *potentialParent = callStack.isEmpty() ? 0 : &d->data[callStack.top()]; + + while (potentialParent + && !(potentialParent->startTime + potentialParent->duration > event->startTime)) { + callStack.pop(); + potentialParent = callStack.isEmpty() ? 0 : &d->data[callStack.top()]; + } + + // check whether event is already in stack + for (int ii = 0; ii < callStack.size(); ++ii) { + if (d->data[callStack.at(ii)].eventId == event->eventId) { + event->bindingLoopHead = callStack.at(ii); + break; + } + } + + callStack.push(i); + } +} + +bool compareEvents(const QmlProfilerOverviewModelProxy::QmlOverviewEvent &t1, const QmlProfilerOverviewModelProxy::QmlOverviewEvent &t2) +{ + return t1.startTime < t2.startTime; +} + + +void QmlProfilerOverviewModelProxy::loadData() +{ + clear(); + QmlProfilerSimpleModel *simpleModel = d->modelManager->simpleModel(); + if (simpleModel->isEmpty()) + return; + + QHash <QString, int> eventIdDict; + + const QVector<QmlProfilerSimpleModel::QmlEventData> eventList = simpleModel->getEvents(); + foreach (const QmlProfilerSimpleModel::QmlEventData &event, eventList) { + + // find event id + QString eventHash = QmlProfilerSimpleModel::getHashString(event); + int eventId; + if (eventIdDict.contains(eventHash)) { + eventId = eventIdDict[eventHash]; + } else { + eventId = eventIdDict.count(); + eventIdDict.insert(eventHash, eventId); + } + + QmlOverviewEvent newEvent = { + event.eventType, + event.startTime, + event.duration, + 1.0, // height + eventId, // eventId + event.eventType, // eventType + -1 // bindingLoopHead + }; + d->data.append(newEvent); + + if (event.eventType > d->rowCount) + d->rowCount = event.eventType; + } + + qSort(d->data.begin(), d->data.end(), compareEvents); + + detectBindingLoops(); +} + +/////////////////// QML interface + +bool QmlProfilerOverviewModelProxy::empty() const +{ + return count() == 0; +} + +int QmlProfilerOverviewModelProxy::count() const +{ + return d->data.count(); +} + +qint64 QmlProfilerOverviewModelProxy::traceStartTime() const +{ + return d->modelManager->traceTime()->startTime(); +} + +qint64 QmlProfilerOverviewModelProxy::traceDuration() const +{ + return d->modelManager->traceTime()->duration(); +} + +qint64 QmlProfilerOverviewModelProxy::traceEndTime() const +{ + return d->modelManager->traceTime()->endTime(); +} + +qint64 QmlProfilerOverviewModelProxy::getStartTime(int index) const +{ + return d->data[index].startTime; +} + +qint64 QmlProfilerOverviewModelProxy::getDuration(int index) const +{ + return d->data[index].duration; +} + +int QmlProfilerOverviewModelProxy::getType(int index) const +{ + return d->data[index].row; +} + +int QmlProfilerOverviewModelProxy::getEventId(int index) const +{ + return d->data[index].eventId; +} + +int QmlProfilerOverviewModelProxy::getBindingLoopDest(int index) const +{ + return d->data[index].bindingLoopHead; +} + +} +} |