diff options
author | Christiaan Janssen <christiaan.janssen@nokia.com> | 2012-02-24 10:47:17 +0100 |
---|---|---|
committer | Christiaan Janssen <christiaan.janssen@nokia.com> | 2012-03-14 11:38:25 +0100 |
commit | b7304e2f2e533b767bcd1c02d8403e3d5fa63ddd (patch) | |
tree | 30bb48a69d7c6bd1c35bcdd359a757486f298368 /src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp | |
parent | d207165f6aa89ee95bd41c41a49d68cfa0b46444 (diff) |
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>
Diffstat (limited to 'src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp')
-rw-r--r-- | src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp b/src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp new file mode 100644 index 00000000000..194e2cdf1c6 --- /dev/null +++ b/src/plugins/qmlprofiler/qmlprofilerstatemanager.cpp @@ -0,0 +1,163 @@ +/************************************************************************** +** +** 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 "qmlprofilerstatemanager.h" + +#include <QDebug> +#include <utils/qtcassert.h> + +// uncomment for printing the state changes to debug output +//#define _DEBUG_PROFILERSTATE_ + +namespace QmlProfiler { +namespace Internal { + +inline QString stringForState(int state) { + switch (state) { + case QmlProfilerStateManager::Idle: return QString("Idle"); + case QmlProfilerStateManager::AppStarting: return QString("AppStarting"); + case QmlProfilerStateManager::AppRunning: return QString("AppRunning"); + case QmlProfilerStateManager::AppStopRequested: return QString("AppStopRequested"); + case QmlProfilerStateManager::AppReadyToStop: return QString("AppReadyToStop"); + case QmlProfilerStateManager::AppStopped: return QString("AppStopped"); + case QmlProfilerStateManager::AppKilled: return QString("AppKilled"); + default: break; + } + return QString(); +} + +class QmlProfilerStateManager::QmlProfilerStateManagerPrivate +{ +public: + QmlProfilerStateManagerPrivate(QmlProfilerStateManager *qq) : q(qq) {} + ~QmlProfilerStateManagerPrivate() {} + + QmlProfilerStateManager *q; + + QmlProfilerStateManager::QmlProfilerState m_currentState; + bool m_clientRecording; + bool m_serverRecording; +}; +QmlProfilerStateManager::QmlProfilerStateManager(QObject *parent) : + QObject(parent),d(new QmlProfilerStateManagerPrivate(this)) +{ + d->m_currentState = Idle; + d->m_clientRecording = true; + d->m_serverRecording = false; +} + +QmlProfilerStateManager::~QmlProfilerStateManager() +{ + delete d; +} + +QmlProfilerStateManager::QmlProfilerState QmlProfilerStateManager::currentState() +{ + return d->m_currentState; +} + +bool QmlProfilerStateManager::clientRecording() +{ + return d->m_clientRecording; +} + +bool QmlProfilerStateManager::serverRecording() +{ + return d->m_serverRecording; +} + +QString QmlProfilerStateManager::currentStateAsString() +{ + return stringForState(d->m_currentState); +} + +void QmlProfilerStateManager::setCurrentState(QmlProfilerState newState) +{ +#ifdef _DEBUG_PROFILERSTATE_ + qDebug() << "Profiler state change request from" << stringForState(d->m_currentState) << "to" << stringForState(newState); +#endif + QTC_ASSERT(d->m_currentState != newState, /**/); + switch (newState) { + case Idle: + QTC_ASSERT(d->m_currentState == AppStarting || d->m_currentState == AppStopped || d->m_currentState == AppKilled, /**/); + break; + case AppStarting: + QTC_ASSERT(d->m_currentState == Idle, /**/); + break; + case AppRunning: + QTC_ASSERT(d->m_currentState == AppStarting, /**/); + break; + case AppStopRequested: + QTC_ASSERT(d->m_currentState == AppRunning, /**/); + break; + case AppReadyToStop: + QTC_ASSERT(d->m_currentState == AppStopRequested, /**/); + break; + case AppStopped: + QTC_ASSERT(d->m_currentState == AppReadyToStop, /**/); + break; + case AppKilled: + QTC_ASSERT(d->m_currentState == AppRunning, /**/); + break; + default: + qDebug() << tr("Switching to unknown state in %1:%2").arg(QString(__FILE__), QString::number(__LINE__)); + break; + } + + d->m_currentState = newState; + emit stateChanged(); +} + +void QmlProfilerStateManager::setClientRecording(bool recording) +{ +#ifdef _DEBUG_PROFILERSTATE_ + qDebug() << "Setting client recording flag from" << d->m_serverRecording << "to" << recording; +#endif + if (d->m_clientRecording != recording) { + d->m_clientRecording = recording; + emit clientRecordingChanged(); + } +} + +void QmlProfilerStateManager::setServerRecording(bool recording) +{ +#ifdef _DEBUG_PROFILERSTATE_ + qDebug() << "Setting server recording flag from" << d->m_serverRecording << "to" << recording; +#endif + if (d->m_serverRecording != recording) { + d->m_serverRecording = recording; + emit serverRecordingChanged(); + } +} + +} +} |