plugin/appdb: debounce updating entries

Fixes #667

2 files changed, 9 insertions, 1 deletions

diff --git a/plugin/src/Caelestia/appdb.cpp b/plugin/src/Caelestia/appdb.cpp
index a81019b..74d1873 100644
--- a/plugin/src/Caelestia/appdb.cpp
+++ b/plugin/src/Caelestia/appdb.cpp
@@ -75,7 +75,12 @@ QString AppEntry::keywords() const {
 
 AppDb::AppDb(QObject* parent)
     : QObject(parent)
+    , m_timer(new QTimer(this))
     , m_uuid(QUuid::createUuid().toString()) {
+    m_timer->setSingleShot(true);
+    m_timer->setInterval(300);
+    connect(m_timer, &QTimer::timeout, this, &AppDb::updateApps);
+
     auto db = QSqlDatabase::addDatabase("QSQLITE", m_uuid);
     db.setDatabaseName(":memory:");
     db.open();
@@ -125,7 +130,7 @@ void AppDb::setEntries(const QList<QObject*>& entries) {
     m_entries = entries;
     emit entriesChanged();
 
-    updateApps();
+    m_timer->start();
 }
 
 QList<AppEntry*> AppDb::apps() const {
diff --git a/plugin/src/Caelestia/appdb.hpp b/plugin/src/Caelestia/appdb.hpp
index 46aed59..bb1a3f1 100644
--- a/plugin/src/Caelestia/appdb.hpp
+++ b/plugin/src/Caelestia/appdb.hpp
@@ -3,6 +3,7 @@
 #include <qhash.h>
 #include <qobject.h>
 #include <qqmlintegration.h>
+#include <qtimer.h>
 
 namespace caelestia {
 
@@ -87,6 +88,8 @@ signals:
     void appsChanged();
 
 private:
+    QTimer* m_timer;
+
     const QString m_uuid;
     QString m_path;
     QList<QObject*> m_entries;