diff options
author | Richard Moe Gustavsen <richard.gustavsen@qt.io> | 2019-09-12 14:14:05 +0200 |
---|---|---|
committer | Richard Moe Gustavsen <richard.gustavsen@qt.io> | 2019-12-04 01:34:07 +0100 |
commit | 4b58d69d56c5876a1b1d71ce6a96b4c6c81a833f (patch) | |
tree | 094a0240be7462a2768084985d49f2f58a294ab1 /src/qmlmodels/qqmldelegatemodel_p_p.h | |
parent | af9a96ca10e72517a7e8aa1ada7ec2d635e2a9ff (diff) |
QQmlTableInstanceModel: factor out reuse pool
Factor out the reuse pool logic in TableInstanceModel into a
separate class, so that we can share it with the upcoming implementation
for recycling items in QQmlDelegateModel.
Change-Id: If8f700b7a0208bac7d1cb1de087792e2c3a9b512
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Diffstat (limited to 'src/qmlmodels/qqmldelegatemodel_p_p.h')
-rw-r--r-- | src/qmlmodels/qqmldelegatemodel_p_p.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/qmlmodels/qqmldelegatemodel_p_p.h b/src/qmlmodels/qqmldelegatemodel_p_p.h index 286e124f2f..59fc3fc36e 100644 --- a/src/qmlmodels/qqmldelegatemodel_p_p.h +++ b/src/qmlmodels/qqmldelegatemodel_p_p.h @@ -49,6 +49,8 @@ #include <private/qqmladaptormodel_p.h> #include <private/qqmlopenmetaobject_p.h> +#include <QtCore/qloggingcategory.h> + // // W A R N I N G // ------------- @@ -64,6 +66,8 @@ QT_REQUIRE_CONFIG(qml_delegate_model); QT_BEGIN_NAMESPACE +Q_DECLARE_LOGGING_CATEGORY(lcItemViewDelegateRecycling) + typedef QQmlListCompositor Compositor; class QQmlDelegateModelAttachedMetaObject; @@ -190,7 +194,18 @@ void QV4::Heap::QQmlDelegateModelItemObject::init(QQmlDelegateModelItem *item) this->item = item; } +class QQmlReusableDelegateModelItemsPool +{ +public: + void insertItem(QQmlDelegateModelItem *modelItem); + QQmlDelegateModelItem *takeItem(const QQmlComponent *delegate, int newIndexHint); + void reuseItem(QQmlDelegateModelItem *item, int newModelIndex); + void drain(int maxPoolTime, std::function<void(QQmlDelegateModelItem *cacheItem)> releaseItem); + int size() { return m_reusableItemsPool.size(); } +private: + QList<QQmlDelegateModelItem *> m_reusableItemsPool; +}; class QQmlDelegateModelPrivate; class QQDMIncubationTask : public QQmlIncubator @@ -380,7 +395,7 @@ public: int count() const override; bool isValid() const override; QObject *object(int index, QQmlIncubator::IncubationMode incubationMode = QQmlIncubator::AsynchronousIfNested) override; - ReleaseFlags release(QObject *item) override; + ReleaseFlags release(QObject *item, ReusableFlag reusable = NotReusable) override; QVariant variantValue(int index, const QString &role) override; QList<QByteArray> watchedRoles() const { return m_watchedRoles; } void setWatchedRoles(const QList<QByteArray> &roles) override; |