diff options
| author | abcd <amos.choy@nokia.com> | 2012-06-07 11:02:49 +1000 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-06-10 13:52:51 +0200 |
| commit | 0c413b1780b6accadfffeea13be889a356567e94 (patch) | |
| tree | e99295b810d3ca9dadc750190408a01a702354ee /src/location/places/qplacemanagerengine.cpp | |
| parent | b7aa1799b694a54d99f073b61389d4ca3501779a (diff) | |
| download | qtlocation-0c413b1780b6accadfffeea13be889a356567e94.tar.gz | |
dataChanged signal
The place and category added/modified/removed signals
are not sufficient if there are large scale changes
to the underlying datastore.
To avoid potential avalanches of signals we have
a dataChanged() signal for significant changes
Change-Id: Ibb90c117eabfc6144ab5d8681bd9844575e86247
Reviewed-by: Aaron McCarthy <aaron.mccarthy@nokia.com>
Diffstat (limited to 'src/location/places/qplacemanagerengine.cpp')
| -rw-r--r-- | src/location/places/qplacemanagerengine.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/location/places/qplacemanagerengine.cpp b/src/location/places/qplacemanagerengine.cpp index 4b71f9b4..f2a67d40 100644 --- a/src/location/places/qplacemanagerengine.cpp +++ b/src/location/places/qplacemanagerengine.cpp @@ -415,6 +415,7 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() The particular added place is specified by \a placeId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. + \sa dataChanged() */ /*! @@ -424,6 +425,7 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() The particular modified place is specified by \a placeId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. + \sa dataChanged() */ /*! @@ -433,6 +435,7 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() The particular place that has been removed is specified by \a placeId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. + \sa dataChanged() */ /*! @@ -442,7 +445,7 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() The parent of the \a category is specified by \a parentId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. - + \sa dataChanged() */ /*! @@ -452,6 +455,7 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() The parent of the modified category is specified by \a parentId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. + \sa dataChanged() */ /*! @@ -462,6 +466,17 @@ QPlaceManagerEnginePrivate::~QPlaceManagerEnginePrivate() is specified by \a parentId. This signal is only emitted by manager engines that support the QPlaceManager::NotificationsFeature. + \sa dataChanged() +*/ + +/*! + * \fn QPlaceManagerEngine::dataChanged() + + This signal is emitted by the engine if there are large scale changes to its + underlying datastore and the engine considers these changes radical enough + to require clients to reload all data. + + If the signal is emitted, no other signals will be emitted for the associated changes. */ QT_END_NAMESPACE |