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Commit d4d3468a authored by David Jarvie's avatar David Jarvie
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Use C++11 to prevent copying

parent d8034092
Pipeline #33836 passed with stage
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src/lib/autodeletelist.h
View file @ d4d3468a
/*
* autodeletelist.h - pointer list with auto-delete on destruction
* Program: kalarm
* SPDX-FileCopyrightText: 2008, 2009 David Jarvie <djarvie@kde.org>
* SPDX-FileCopyrightText: 2008-2020 David Jarvie <djarvie@kde.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
......@@ -20,19 +20,19 @@
template <class T>
class AutoDeleteList : public QList<T*>
{
public:
AutoDeleteList() : QList<T*>() {}
~AutoDeleteList()
{
// Remove from list first before deleting the pointer, in
// case the pointer's destructor removes it from the list.
while (!this->isEmpty())
delete this->takeFirst();
}
private:
// Prevent copying since that would create two owners of the pointers
AutoDeleteList(const AutoDeleteList&);
AutoDeleteList& operator=(const AutoDeleteList&);
public:
AutoDeleteList() : QList<T*>() {}
~AutoDeleteList()
{
// Remove from list first before deleting the pointer, in
// case the pointer's destructor removes it from the list.
while (!this->isEmpty())
delete this->takeFirst();
}
// Prevent copying since that would create two owners of the pointers
AutoDeleteList(const AutoDeleteList&) = delete;
AutoDeleteList& operator=(const AutoDeleteList&) = delete;
};
#endif // AUTODELETELIST_H
......
src/lib/synchtimer.h
View file @ d4d3468a
/*
* synchtimer.h - timers which synchronize to time boundaries
* Program: kalarm
* SPDX-FileCopyrightText: 2004, 2005 David Jarvie <djarvie@kde.org>
* SPDX-FileCopyrightText: 2004-2020 David Jarvie <djarvie@kde.org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
......@@ -25,36 +25,38 @@ class QTimer;
*/
class SynchTimer : public QObject
{
Q_OBJECT
public:
~SynchTimer() override;
struct Connection
{
Connection() { }
Connection(QObject* r, const char* s) : receiver(r), slot(s) { }
bool operator==(const Connection& c) const { return receiver == c.receiver && slot == c.slot; }
QObject* receiver;
QByteArray slot;
};
protected:
SynchTimer();
virtual void start() = 0;
void connecT(QObject* receiver, const char* member);
void disconnecT(QObject* receiver, const char* member = nullptr);
bool hasConnections() const { return !mConnections.isEmpty(); }
QTimer* mTimer;
protected Q_SLOTS:
virtual void slotTimer() = 0;
private Q_SLOTS:
void slotReceiverGone(QObject* r) { disconnecT(r); }
private:
SynchTimer(const SynchTimer&); // prohibit copying
QList<Connection> mConnections; // list of current clients
Q_OBJECT
public:
~SynchTimer() override;
// Prevent copying.
SynchTimer(const SynchTimer&) = delete;
SynchTimer& operator=(const SynchTimer&) = delete;
struct Connection
{
Connection() { }
Connection(QObject* r, const char* s) : receiver(r), slot(s) { }
bool operator==(const Connection& c) const { return receiver == c.receiver && slot == c.slot; }
QObject* receiver;
QByteArray slot;
};
protected:
SynchTimer();
virtual void start() = 0;
void connecT(QObject* receiver, const char* member);
void disconnecT(QObject* receiver, const char* member = nullptr);
bool hasConnections() const { return !mConnections.isEmpty(); }
QTimer* mTimer;
protected Q_SLOTS:
virtual void slotTimer() = 0;
private Q_SLOTS:
void slotReceiverGone(QObject* r) { disconnecT(r); }
private:
QList<Connection> mConnections; // list of current clients
};
......@@ -64,99 +66,100 @@ class SynchTimer : public QObject
*/
class MinuteTimer : public SynchTimer
{
Q_OBJECT
public:
virtual ~MinuteTimer() { mInstance = nullptr; }
/** Connect to the timer signal.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(QObject* receiver, const char* member)
{ instance()->connecT(receiver, member); }
/** Disconnect from the timer signal.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(QObject* receiver, const char* member = nullptr)
{ if (mInstance) mInstance->disconnecT(receiver, member); }
protected:
MinuteTimer() : SynchTimer() { }
static MinuteTimer* instance();
void start() override { slotTimer(); }
protected Q_SLOTS:
void slotTimer() override;
private:
static MinuteTimer* mInstance; // the one and only instance
Q_OBJECT
public:
virtual ~MinuteTimer() { mInstance = nullptr; }
/** Connect to the timer signal.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(QObject* receiver, const char* member)
{ instance()->connecT(receiver, member); }
/** Disconnect from the timer signal.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(QObject* receiver, const char* member = nullptr)
{ if (mInstance) mInstance->disconnecT(receiver, member); }
protected:
MinuteTimer() : SynchTimer() { }
static MinuteTimer* instance();
void start() override { slotTimer(); }
protected Q_SLOTS:
void slotTimer() override;
private:
static MinuteTimer* mInstance; // the one and only instance
};
/** DailyTimer is an application-wide timer synchronized to a specified time of day, local time.
*
* Daily timers come in two flavors: fixed, which can only be accessed through static methods,
* and variable, whose time can be adjusted and which are accessed through non-static methods.
* Daily timers come in two flavors: fixed, which can only be accessed through
* static methods, and variable, whose time can be adjusted and which are
* accessed through non-static methods.
*
* @author David Jarvie <djarvie@kde.org>
*/
class DailyTimer : public SynchTimer
{
Q_OBJECT
public:
~DailyTimer() override;
/** Connect to the timer signal which triggers at the given fixed time of day.
* A new timer is created if necessary.
* @param timeOfDay Time at which the timer is to trigger.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(const QTime& timeOfDay, QObject* receiver, const char* member)
{ fixedInstance(timeOfDay)->connecT(receiver, member); }
/** Disconnect from the timer signal which triggers at the given fixed time of day.
* If there are no remaining connections to that timer, it is destroyed.
* @param timeOfDay Time at which the timer triggers.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(const QTime& timeOfDay, QObject* receiver, const char* member = nullptr);
/** Change the time at which this variable timer triggers.
* @param newTimeOfDay New time at which the timer should trigger.
* @param triggerMissed If true, and if @p newTimeOfDay < @p oldTimeOfDay, and if the current
* time is between @p newTimeOfDay and @p oldTimeOfDay, the timer will be
* triggered immediately so as to avoid missing today's trigger.
*/
void changeTime(const QTime& newTimeOfDay, bool triggerMissed = true);
/** Return the current time of day at which this variable timer triggers. */
QTime timeOfDay() const { return mTime; }
protected:
/** Construct an instance.
* The constructor is protected to ensure that for variable timers, only derived classes
* can construct instances. This ensures that multiple timers are not created for the same
* use.
*/
DailyTimer(const QTime&, bool fixed);
/** Return the instance which triggers at the specified fixed time of day,
* optionally creating a new instance if necessary.
* @param timeOfDay Time at which the timer triggers.
* @param create If true, create a new instance if none already exists
* for @p timeOfDay.
* @return The instance for @p timeOfDay, or 0 if it does not exist.
*/
static DailyTimer* fixedInstance(const QTime& timeOfDay, bool create = true);
void start() override;
protected Q_SLOTS:
void slotTimer() override;
private:
static QList<DailyTimer*> mFixedTimers; // list of timers whose trigger time is fixed
QTime mTime;
QDate mLastDate; // the date on which the timer was last triggered
bool mFixed; // the time at which the timer triggers cannot be changed
Q_OBJECT
public:
~DailyTimer() override;
/** Connect to the timer signal which triggers at the given fixed time of day.
* A new timer is created if necessary.
* @param timeOfDay Time at which the timer is to trigger.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(const QTime& timeOfDay, QObject* receiver, const char* member)
{ fixedInstance(timeOfDay)->connecT(receiver, member); }
/** Disconnect from the timer signal which triggers at the given fixed time of day.
* If there are no remaining connections to that timer, it is destroyed.
* @param timeOfDay Time at which the timer triggers.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(const QTime& timeOfDay, QObject* receiver, const char* member = nullptr);
/** Change the time at which this variable timer triggers.
* @param newTimeOfDay New time at which the timer should trigger.
* @param triggerMissed If true, and if @p newTimeOfDay < @p oldTimeOfDay, and if the current
* time is between @p newTimeOfDay and @p oldTimeOfDay, the timer will be
* triggered immediately so as to avoid missing today's trigger.
*/
void changeTime(const QTime& newTimeOfDay, bool triggerMissed = true);
/** Return the current time of day at which this variable timer triggers. */
QTime timeOfDay() const { return mTime; }
protected:
/** Construct an instance.
* The constructor is protected to ensure that for variable timers, only
* derived classes can construct instances. This ensures that multiple
* timers are not created for the same use.
*/
DailyTimer(const QTime&, bool fixed);
/** Return the instance which triggers at the specified fixed time of day,
* optionally creating a new instance if necessary.
* @param timeOfDay Time at which the timer triggers.
* @param create If true, create a new instance if none already exists
* for @p timeOfDay.
* @return The instance for @p timeOfDay, or 0 if it does not exist.
*/
static DailyTimer* fixedInstance(const QTime& timeOfDay, bool create = true);
void start() override;
protected Q_SLOTS:
void slotTimer() override;
private:
static QList<DailyTimer*> mFixedTimers; // list of timers whose trigger time is fixed
QTime mTime;
QDate mLastDate; // the date on which the timer was last triggered
bool mFixed; // the time at which the timer triggers cannot be changed
};
......@@ -166,20 +169,20 @@ class DailyTimer : public SynchTimer
*/
class MidnightTimer
{
public:
/** Connect to the timer signal.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(QObject* receiver, const char* member)
{ DailyTimer::connect(QTime(0,0), receiver, member); }
/** Disconnect from the timer signal.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(QObject* receiver, const char* member = nullptr)
{ DailyTimer::disconnect(QTime(0,0), receiver, member); }
public:
/** Connect to the timer signal.
* @param receiver Receiving object.
* @param member Slot to activate.
*/
static void connect(QObject* receiver, const char* member)
{ DailyTimer::connect(QTime(0,0), receiver, member); }
/** Disconnect from the timer signal.
* @param receiver Receiving object.
* @param member Slot to disconnect. If null, all slots belonging to
* @p receiver will be disconnected.
*/
static void disconnect(QObject* receiver, const char* member = nullptr)
{ DailyTimer::disconnect(QTime(0,0), receiver, member); }
};
......
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