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Diffstat (limited to 'src/declarative/qml/qdeclarativenotifier_p.h')
| -rw-r--r-- | src/declarative/qml/qdeclarativenotifier_p.h | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/declarative/qml/qdeclarativenotifier_p.h b/src/declarative/qml/qdeclarativenotifier_p.h deleted file mode 100644 index 1e37de8bb6..0000000000 --- a/src/declarative/qml/qdeclarativenotifier_p.h +++ /dev/null @@ -1,206 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** 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. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QDECLARATIVENOTIFIER_P_H -#define QDECLARATIVENOTIFIER_P_H - -#include "qdeclarativedata_p.h" -#include "qdeclarativeguard_p.h" - -QT_BEGIN_NAMESPACE - -class QDeclarativeNotifierEndpoint; -class Q_DECLARATIVE_EXPORT QDeclarativeNotifier -{ -public: - inline QDeclarativeNotifier(); - inline ~QDeclarativeNotifier(); - inline void notify(); - -private: - friend class QDeclarativeData; - friend class QDeclarativeNotifierEndpoint; - - static void emitNotify(QDeclarativeNotifierEndpoint *); - QDeclarativeNotifierEndpoint *endpoints; -}; - -class QDeclarativeNotifierEndpoint -{ -public: - inline QDeclarativeNotifierEndpoint(); - inline ~QDeclarativeNotifierEndpoint(); - - typedef void (*Callback)(QDeclarativeNotifierEndpoint *); - Callback callback; - - inline bool isConnected(); - inline bool isConnected(QObject *source, int sourceSignal); - inline bool isConnected(QDeclarativeNotifier *); - - void connect(QObject *source, int sourceSignal); - inline void connect(QDeclarativeNotifier *); - inline void disconnect(); - - inline bool isNotifying() const; - inline void cancelNotify(); - - void copyAndClear(QDeclarativeNotifierEndpoint &other); - -private: - friend class QDeclarativeData; - friend class QDeclarativeNotifier; - - union { - QDeclarativeNotifier *notifier; - QObject *source; - }; - unsigned int notifying : 1; - signed int sourceSignal : 31; - QDeclarativeNotifierEndpoint **disconnected; - QDeclarativeNotifierEndpoint *next; - QDeclarativeNotifierEndpoint **prev; -}; - -QDeclarativeNotifier::QDeclarativeNotifier() -: endpoints(0) -{ -} - -QDeclarativeNotifier::~QDeclarativeNotifier() -{ - QDeclarativeNotifierEndpoint *endpoint = endpoints; - while (endpoint) { - QDeclarativeNotifierEndpoint *n = endpoint; - endpoint = n->next; - - n->next = 0; - n->prev = 0; - n->notifier = 0; - n->sourceSignal = -1; - if (n->disconnected) *n->disconnected = 0; - n->disconnected = 0; - } - endpoints = 0; -} - -void QDeclarativeNotifier::notify() -{ - if (endpoints) emitNotify(endpoints); -} - -QDeclarativeNotifierEndpoint::QDeclarativeNotifierEndpoint() -: callback(0), notifier(0), notifying(0), sourceSignal(-1), disconnected(0), next(0), prev(0) -{ -} - -QDeclarativeNotifierEndpoint::~QDeclarativeNotifierEndpoint() -{ - disconnect(); -} - -bool QDeclarativeNotifierEndpoint::isConnected() -{ - return prev != 0; -} - -bool QDeclarativeNotifierEndpoint::isConnected(QObject *source, int sourceSignal) -{ - return this->sourceSignal != -1 && this->source == source && this->sourceSignal == sourceSignal; -} - -bool QDeclarativeNotifierEndpoint::isConnected(QDeclarativeNotifier *notifier) -{ - return sourceSignal == -1 && this->notifier == notifier; -} - -void QDeclarativeNotifierEndpoint::connect(QDeclarativeNotifier *notifier) -{ - disconnect(); - - next = notifier->endpoints; - if (next) { next->prev = &next; } - notifier->endpoints = this; - prev = ¬ifier->endpoints; - this->notifier = notifier; -} - -void QDeclarativeNotifierEndpoint::disconnect() -{ - if (next) next->prev = prev; - if (prev) *prev = next; - if (disconnected) *disconnected = 0; - next = 0; - prev = 0; - disconnected = 0; - notifier = 0; - notifying = 0; - sourceSignal = -1; -} - -/*! -Returns true if a notify is in progress. This means that the signal or QDeclarativeNotifier -that this endpoing is connected to has been triggered, but this endpoint's callback has not -yet been called. - -An in progress notify can be cancelled by calling cancelNotify. -*/ -bool QDeclarativeNotifierEndpoint::isNotifying() const -{ - return notifying == 1; -} - -/*! -Cancel any notifies that are in progress. -*/ -void QDeclarativeNotifierEndpoint::cancelNotify() -{ - notifying = 0; - if (disconnected) { - *disconnected = 0; - disconnected = 0; - } -} - -QT_END_NAMESPACE - -#endif // QDECLARATIVENOTIFIER_P_H - |