QmlProfiler: Callers and Callees separate views

Change-Id: Ifa3939eeda2a473722cbd8dfac33794a15d8c453 Reviewed-on: http://codereview.qt.nokia.com/678 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>
2011-06-22 17:58:58 +02:00
parent 878429ad24
commit fbce58bf8c
6 changed files with 417 additions and 42 deletions
--- a/src/plugins/qmlprofiler/qmlprofilercallerview.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilercallerview.cpp
@@ -0,0 +1,288 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+** No Commercial Usage
+**
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at info@qt.nokia.com.
+**
+**************************************************************************/
+
+#include "qmlprofilercallerview.h"
+
+#include <QtCore/QUrl>
+#include <QtCore/QHash>
+
+#include <QtGui/QHeaderView>
+#include <QtGui/QStandardItemModel>
+
+using namespace QmlProfiler::Internal;
+
+struct BindingData
+{
+    BindingData() : displayname(0) , filename(0) , location(0) , details(0),
+    line(0), rangeType(0), level(-1), parentList(0) {}
+    ~BindingData() {
+        delete displayname;
+        delete filename;
+        delete location;
+        delete parentList;
+    }
+    QString *displayname;
+    QString *filename;
+    QString *location;
+    QString *details;
+    int line;
+    int rangeType;
+    qint64 level;
+    QList< BindingData *> *parentList;
+};
+
+typedef QHash<QString, BindingData *> BindingHash;
+typedef QList<BindingData *> BindingList;
+
+enum ItemRole {
+    LocationRole = Qt::UserRole+1,
+    FilenameRole = Qt::UserRole+2,
+    LineRole = Qt::UserRole+3
+};
+
+class QmlProfilerCallerView::QmlProfilerCallerViewPrivate
+{
+public:
+    QmlProfilerCallerViewPrivate(QmlProfilerCallerView *qq) : q(qq) {}
+
+    void recursiveClearHash(BindingHash *hash);
+    void buildModelFromList( BindingList *list, QStandardItem *parentItem, BindingList *listSoFar );
+
+    QmlProfilerCallerView *q;
+
+    QStandardItemModel *m_model;
+    BindingHash m_rootHash;
+    QHash<int, BindingList> m_pendingChildren;
+    int m_lastLevel;
+};
+
+QmlProfilerCallerView::QmlProfilerCallerView(QWidget *parent) :
+    QTreeView(parent), d(new QmlProfilerCallerViewPrivate(this))
+{
+    setObjectName("QmlProfilerCallerView");
+    setRootIsDecorated(true);
+    header()->setResizeMode(QHeaderView::Interactive);
+    header()->setMinimumSectionSize(50);
+    setSortingEnabled(false);
+    setFrameStyle(QFrame::NoFrame);
+
+    d->m_model = new QStandardItemModel(this);
+
+    setModel(d->m_model);
+
+    d->m_model->setColumnCount(3);
+    setHeaderLabels();
+
+    connect(this,SIGNAL(clicked(QModelIndex)), this,SLOT(jumpToItem(QModelIndex)));
+
+    d->m_lastLevel = -1;
+}
+
+QmlProfilerCallerView::~QmlProfilerCallerView()
+{
+    clean();
+    delete d->m_model;
+}
+
+void QmlProfilerCallerView::clean()
+{
+    d->m_model->clear();
+    d->m_model->setColumnCount(3);
+
+    foreach (int levelNumber, d->m_pendingChildren.keys())
+        d->m_pendingChildren[levelNumber].clear();
+
+    d->m_lastLevel = -1;
+
+    // clean the hashes
+    d->recursiveClearHash(&d->m_rootHash);
+
+    setHeaderLabels();
+    setSortingEnabled(false);
+}
+
+void QmlProfilerCallerView::addRangedEvent(int type, int nestingLevel, int nestingInType, qint64 startTime, qint64 length,
+    const QStringList &data, const QString &fileName, int line)
+{
+    Q_UNUSED(startTime);
+    Q_UNUSED(nestingInType);
+    Q_UNUSED(length);
+
+    const QChar colon = QLatin1Char(':');
+    QString localName, displayName, location, details;
+
+    if (fileName.isEmpty()) {
+        displayName = tr("<bytecode>");
+        location = QLatin1String("--");
+
+    } else {
+        localName = QUrl(fileName).toLocalFile();
+        displayName = localName.mid(localName.lastIndexOf(QChar('/')) + 1) + colon + QString::number(line);
+        location = fileName+colon+QString::number(line);
+    }
+
+    if (data.isEmpty())
+        details = tr("Source code not available");
+    else
+        details = data.join(" ").replace('\n'," ");
+
+
+    // New Data:  if it's not in the hash, put it there
+    // if it's in the hash, get the reference from the hash
+    BindingData *newBinding;
+    BindingHash::iterator it = d->m_rootHash.find(location);
+    if (it != d->m_rootHash.end()) {
+        newBinding = it.value();
+    } else {
+        newBinding = new BindingData;
+        newBinding->displayname = new QString(displayName);
+        newBinding->filename = new QString(fileName);
+        newBinding->line = line;
+        newBinding->level = nestingLevel;
+        newBinding->rangeType = type;
+        newBinding->location = new QString(location);
+        newBinding->details = new QString(details);
+        newBinding->parentList = new BindingList();
+        d->m_rootHash.insert(location, newBinding);
+    }
+
+    if (nestingLevel < d->m_lastLevel) {
+        // I'm the parent of the former
+        if (d->m_pendingChildren.contains(nestingLevel+1)) {
+            foreach (BindingData *child, d->m_pendingChildren[nestingLevel + 1]) {
+                if (!child->parentList->contains(newBinding))
+                    child->parentList->append(newBinding);
+            }
+            d->m_pendingChildren[nestingLevel + 1].clear();
+        }
+
+    }
+
+    if (nestingLevel > 1 && !d->m_pendingChildren[nestingLevel].contains(newBinding)) {
+        // I'm not root... there will come a parent later
+        d->m_pendingChildren[nestingLevel].append(newBinding);
+    }
+
+    d->m_lastLevel = nestingLevel;
+}
+
+void QmlProfilerCallerView::complete()
+{
+    // build the model from the hashed data
+    BindingList bindingList = d->m_rootHash.values();
+    BindingList emptyList;
+    d->buildModelFromList(&bindingList, d->m_model->invisibleRootItem(), &emptyList);
+
+    expandAll();
+    resizeColumnToContents(0);
+    resizeColumnToContents(1);
+    collapseAll();
+}
+
+void QmlProfilerCallerView::jumpToItem(const QModelIndex &index)
+{
+    QStandardItem *clickedItem = d->m_model->itemFromIndex(index);
+    QStandardItem *infoItem;
+    if (clickedItem->parent())
+        infoItem = clickedItem->parent()->child(clickedItem->row(), 0);
+    else
+        infoItem = d->m_model->item(index.row(), 0);
+
+    int line = infoItem->data(Qt::UserRole+3).toInt();
+    if (line == -1)
+        return;
+    QString fileName = infoItem->data(Qt::UserRole+2).toString();
+    emit gotoSourceLocation(fileName, line);
+}
+
+void QmlProfilerCallerView::setHeaderLabels()
+{
+    d->m_model->setHeaderData(0, Qt::Horizontal, QVariant(tr("Location")));
+    d->m_model->setHeaderData(1, Qt::Horizontal, QVariant(tr("Type")));
+    d->m_model->setHeaderData(2, Qt::Horizontal, QVariant(tr("Details")));
+}
+
+// ToDo: property clean the stored data
+void QmlProfilerCallerView::QmlProfilerCallerViewPrivate::recursiveClearHash(BindingHash *hash) {
+    QHashIterator<QString, BindingData *> it(*hash);
+    while (it.hasNext()) {
+        it.next();
+        delete it.value();
+    }
+    hash->clear();
+}
+
+inline QString nameForType(int typeNumber)
+{
+    switch (typeNumber) {
+    case 0: return QmlProfilerCallerView::tr("Paint");
+    case 1: return QmlProfilerCallerView::tr("Compile");
+    case 2: return QmlProfilerCallerView::tr("Create");
+    case 3: return QmlProfilerCallerView::tr("Binding");
+    case 4: return QmlProfilerCallerView::tr("Signal");
+    }
+    return QString();
+}
+
+void QmlProfilerCallerView::QmlProfilerCallerViewPrivate::buildModelFromList( BindingList *list, QStandardItem *parentItem, BindingList *listSoFar )
+{
+    foreach (BindingData *binding, *list) {
+        if (listSoFar->contains(binding))
+            continue;
+
+        QStandardItem *nameColumn = new QStandardItem(*binding->displayname);
+        nameColumn->setEditable(false);
+
+        QStandardItem *typeColumn = new QStandardItem(nameForType(binding->rangeType));
+        typeColumn->setEditable(false);
+
+        QStandardItem *detailsColumn = new QStandardItem(*binding->details);
+        detailsColumn->setEditable(false);
+
+        QStandardItem *firstColumn = nameColumn;
+        firstColumn->setData(QVariant(*binding->location),LocationRole);
+        firstColumn->setData(QVariant(*binding->filename),FilenameRole);
+        firstColumn->setData(QVariant(binding->line),LineRole);
+
+        QList<QStandardItem *> newRow;
+        newRow << nameColumn << typeColumn << detailsColumn;
+        parentItem->appendRow(newRow);
+        if (!binding->parentList->isEmpty()) {
+            // avoid infinite loops due to recursive functions
+            BindingList newParentList(*listSoFar);
+            newParentList.append(binding);
+
+            buildModelFromList(binding->parentList, nameColumn, &newParentList);
+        }
+    }
+}