alecs/plasma-framework
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

delay usage checks so quite disconnect/reconnects don't result in unecessary loss of data

Browse Source 
(only to reload it again immediately thereafter...)
This commit is contained in:
Aaron Seigo 2011-10-30 10:35:29 +01:00
parent 97743420a0
commit 176d4b896b
3 changed files with 31 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
datacontainer.cpp
View File

@ -31,8 +31,6 @@ DataContainer::DataContainer(QObject *parent)
: QObject(parent),
d(new DataContainerPrivate(this))
{
d->storageTimer = new QTimer(this);
QObject::connect(d->storageTimer, SIGNAL(timeout()), this, SLOT(store()));
}
DataContainer::~DataContainer()
@ -61,7 +59,7 @@ void DataContainer::setData(const QString &key, const QVariant &value)
//setData() since the last time it was stored. This
//gives us only one singleShot timer.
if (isStorageEnabled() || !needsToBeStored()) {
d->storageTimer->start(180000);
d->storageTimer.start(180000, this);
}
setNeedsToBeStored(true);
@ -330,11 +328,22 @@ void DataContainer::setNeedsUpdate(bool update)
void DataContainer::checkUsage()
{
if (d->relays.count() < 1 &&
receivers(SIGNAL(dataUpdated(QString, Plasma::DataEngine::Data))) < 1) {
// DO NOT CALL ANYTHING AFTER THIS LINE AS IT MAY GET DELETED!
kDebug() << objectName() << "is unused";
emit becameUnused(objectName());
if (!d->checkUsageTimer.isActive()) {
d->checkUsageTimer.start(10, this);
}
}
void DataContainer::timerEvent(QTimerEvent * event)
{
if (event->timerId() == d->checkUsageTimer.timerId()) {
if (d->relays.count() < 1 &&
receivers(SIGNAL(dataUpdated(QString, Plasma::DataEngine::Data))) < 1) {
// DO NOT CALL ANYTHING AFTER THIS LINE AS IT MAY GET DELETED!
kDebug() << objectName() << "is unused";
emit becameUnused(objectName());
}
} else if (event->timerId() == d->storageTimer.timerId()) {
d->store();
}
}

6
datacontainer.h
View File

@ -245,6 +245,11 @@ class PLASMA_EXPORT DataContainer : public QObject
**/
void checkUsage();
/**
* @reimp from QObject
*/
void timerEvent(QTimerEvent * event);
private:
friend class SignalRelay;
friend class DataContainerPrivate;
@ -253,7 +258,6 @@ class PLASMA_EXPORT DataContainer : public QObject
Q_PRIVATE_SLOT(d, void storeJobFinished(KJob *job))
Q_PRIVATE_SLOT(d, void populateFromStoredData(KJob *job))
Q_PRIVATE_SLOT(d, void store())
Q_PRIVATE_SLOT(d, void retrieve())
};

15
private/datacontainer_p.h
View File

@ -20,11 +20,13 @@
#ifndef PLASMA_DATACONTAINER_P_H
#define PLASMA_DATACONTAINER_P_H
#include <QtCore/QTimerEvent>
#include <QtCore/QTime>
#include "servicejob.h"
#include "storage_p.h"
#include <QtCore/QTimerEvent>
#include <QtCore/QTime>
#include <QtCore/QBasicTimer>
class QTimer;
namespace Plasma
@ -38,11 +40,11 @@ public:
DataContainerPrivate(DataContainer *container)
: q(container),
storage(NULL),
storageCount(0),
dirty(false),
cached(false),
enableStorage(false),
isStored(true),
storageCount(0)
isStored(true)
{
}
@ -71,14 +73,15 @@ public:
DataEngine::Data data;
QMap<QObject *, SignalRelay *> relayObjects;
QMap<uint, SignalRelay *> relays;
QTimer *storageTimer;
QTime updateTs;
Storage* storage;
QBasicTimer storageTimer;
QBasicTimer checkUsageTimer;
int storageCount;
bool dirty : 1;
bool cached : 1;
bool enableStorage : 1;
bool isStored : 1;
int storageCount;
};
class SignalRelay : public QObject