QmlProfiler: Refactor

The code of the qmlprofiler client has become a bit too complex,
this patch reorganizes the modules in a more sensible way,
having the modules communicate with each other through a
state machine instead of the excess of signals and slots
from before.

Change-Id: I76f7313779888a1bd07a1cdb1acbf2e47aacf42a
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp

@@ -0,0 +1,172 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "qmlprofilerviewmanager.h"
+
+#include "qmlprofilertraceview.h"
+#include "qmlprofilereventview.h"
+#include "qmlprofilertool.h"
+#include "qmlprofilerstatemanager.h"
+#include "qmlprofilerdatamodel.h"
+
+#include <utils/qtcassert.h>
+#include <utils/fancymainwindow.h>
+#include <analyzerbase/analyzermanager.h>
+
+
+#include <QDockWidget>
+
+using namespace Analyzer;
+
+namespace QmlProfiler {
+namespace Internal {
+
+class QmlProfilerViewManager::QmlProfilerViewManagerPrivate {
+public:
+    QmlProfilerViewManagerPrivate(QmlProfilerViewManager *qq) { Q_UNUSED(qq); }
+
+    QmlProfilerTraceView *traceView;
+    QmlProfilerEventsWidget *eventsView;
+    QmlProfilerEventsWidget *v8profilerView;
+    QmlProfilerStateManager *profilerState;
+    QmlProfilerDataModel *profilerDataModel;
+    QmlProfilerTool *profilerTool;
+};
+
+QmlProfilerViewManager::QmlProfilerViewManager(QObject *parent,
+                                               QmlProfilerTool *profilerTool,
+                                               QmlProfilerDataModel *model,
+                                               QmlProfilerStateManager *profilerState)
+    : QObject(parent), d(new QmlProfilerViewManagerPrivate(this))
+{
+    setObjectName("QML Profiler View Manager");
+    d->traceView = 0;
+    d->eventsView = 0;
+    d->v8profilerView = 0;
+    d->profilerState = profilerState;
+    d->profilerDataModel = model;
+    d->profilerTool = profilerTool;
+    createViews();
+}
+
+QmlProfilerViewManager::~QmlProfilerViewManager()
+{
+    delete d;
+}
+
+////////////////////////////////////////////////////////////
+// Views
+void QmlProfilerViewManager::createViews()
+{
+    QTC_ASSERT(d->profilerDataModel, return);
+    QTC_ASSERT(d->profilerState, return);
+
+    Utils::FancyMainWindow *mw = AnalyzerManager::mainWindow();
+
+    d->traceView = new QmlProfilerTraceView(mw,
+                                            d->profilerTool,
+                                            this,
+                                            d->profilerDataModel,
+                                            d->profilerState);
+    connect(d->traceView, SIGNAL(gotoSourceLocation(QString,int,int)),
+            this, SIGNAL(gotoSourceLocation(QString,int,int)));
+
+    d->traceView->reset();
+
+    d->eventsView = new QmlProfilerEventsWidget(mw, d->profilerTool, this, d->profilerDataModel);
+    connect(d->eventsView, SIGNAL(gotoSourceLocation(QString,int,int)), this,
+            SIGNAL(gotoSourceLocation(QString,int,int)));
+    connect(d->eventsView, SIGNAL(showEventInTimeline(int)), d->traceView,
+            SLOT(selectNextEventWithId(int)));
+    connect(d->traceView, SIGNAL(selectedEventChanged(int)), d->eventsView,
+            SLOT(updateSelectedEvent(int)));
+
+    d->v8profilerView = new QmlProfilerEventsWidget(mw, d->profilerTool,
+                                                    this, d->profilerDataModel);
+    d->v8profilerView->switchToV8View();
+    connect(d->v8profilerView, SIGNAL(gotoSourceLocation(QString,int,int)),
+            this, SIGNAL(gotoSourceLocation(QString,int,int)));
+    connect(d->v8profilerView, SIGNAL(gotoSourceLocation(QString,int,int)),
+            d->eventsView, SLOT(selectBySourceLocation(QString,int,int)));
+    connect(d->eventsView, SIGNAL(gotoSourceLocation(QString,int,int)),
+            d->v8profilerView, SLOT(selectBySourceLocation(QString,int,int)));
+
+    QDockWidget *eventsDock = AnalyzerManager::createDockWidget
+            (d->profilerTool, tr("Events"), d->eventsView, Qt::BottomDockWidgetArea);
+    QDockWidget *timelineDock = AnalyzerManager::createDockWidget
+            (d->profilerTool, tr("Timeline"), d->traceView, Qt::BottomDockWidgetArea);
+    QDockWidget *v8profilerDock = AnalyzerManager::createDockWidget
+            (d->profilerTool, tr("JavaScript"), d->v8profilerView, Qt::BottomDockWidgetArea);
+
+    eventsDock->show();
+    timelineDock->show();
+    v8profilerDock->show();
+
+    mw->splitDockWidget(mw->toolBarDockWidget(), eventsDock, Qt::Vertical);
+    mw->tabifyDockWidget(eventsDock, timelineDock);
+    mw->tabifyDockWidget(timelineDock, v8profilerDock);
+}
+
+bool QmlProfilerViewManager::hasValidSelection() const
+{
+    return d->traceView->hasValidSelection();
+}
+
+qint64 QmlProfilerViewManager::selectionStart() const
+{
+    return d->traceView->selectionStart();
+}
+
+qint64 QmlProfilerViewManager::selectionEnd() const
+{
+    return d->traceView->selectionEnd();
+}
+
+bool QmlProfilerViewManager::hasGlobalStats() const
+{
+    return d->eventsView->hasGlobalStats();
+}
+
+void QmlProfilerViewManager::getStatisticsInRange(qint64 rangeStart, qint64 rangeEnd)
+{
+    d->eventsView->getStatisticsInRange(rangeStart, rangeEnd);
+}
+
+void QmlProfilerViewManager::clear()
+{
+    d->traceView->clearDisplay();
+    d->eventsView->clear();
+    d->v8profilerView->clear();
+}
+
+} // namespace Internal
+} // namespace QmlProfiler