From b5b2bf6a0b714875c1ec2c57b22ba3a40bf51a1c Mon Sep 17 00:00:00 2001
From: David Rosca <nowrep@gmail.com>
Date: Sat, 24 Dec 2016 11:32:48 +0100
Subject: [PATCH] Automatically clear old icons and VACUUM database every 20
 runs

---
 src/lib/app/mainapplication.cpp | 24 +++++++++++++++++++++++-
 src/lib/app/mainapplication.h   |  5 ++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/lib/app/mainapplication.cpp b/src/lib/app/mainapplication.cpp
index b5570bd4f..eaeb6c325 100644
--- a/src/lib/app/mainapplication.cpp
+++ b/src/lib/app/mainapplication.cpp
@@ -677,7 +677,7 @@ void MainApplication::postLaunch()
 
     QtWin::createJumpList();
 
-    QTimer::singleShot(1000, this, SLOT(checkDefaultWebBrowser()));
+    QTimer::singleShot(5000, this, &MainApplication::runDeferredPostLaunchActions);
 }
 
 void MainApplication::saveSession()
@@ -828,6 +828,12 @@ void MainApplication::onFocusChanged()
     }
 }
 
+void MainApplication::runDeferredPostLaunchActions()
+{
+    checkDefaultWebBrowser();
+    checkOptimizeDatabase();
+}
+
 void MainApplication::downloadRequested(QWebEngineDownloadItem *download)
 {
     downloadManager()->download(download);
@@ -1067,6 +1073,22 @@ void MainApplication::checkDefaultWebBrowser()
 #endif
 }
 
+void MainApplication::checkOptimizeDatabase()
+{
+    Settings settings;
+    settings.beginGroup(QSL("Browser"));
+    const int numberOfRuns = settings.value(QSL("RunsWithoutOptimizeDb"), 0).toInt();
+    settings.setValue(QSL("RunsWithoutOptimizeDb"), numberOfRuns + 1);
+
+    if (numberOfRuns > 20) {
+        std::cout << "Optimizing database..." << std::endl;
+        IconProvider::instance()->clearOldIconsInDatabase();
+        settings.setValue(QSL("RunsWithoutOptimizeDb"), 0);
+    }
+
+    settings.endGroup();
+}
+
 void MainApplication::setUserStyleSheet(const QString &filePath)
 {
     QString userCss;
diff --git a/src/lib/app/mainapplication.h b/src/lib/app/mainapplication.h
index 7393f464c..120d62a88 100644
--- a/src/lib/app/mainapplication.h
+++ b/src/lib/app/mainapplication.h
@@ -129,7 +129,7 @@ private slots:
     void messageReceived(const QString &message);
     void windowDestroyed(QObject* window);
     void onFocusChanged();
-    void checkDefaultWebBrowser();
+    void runDeferredPostLaunchActions();
 
     void downloadRequested(QWebEngineDownloadItem *download);
 
@@ -148,6 +148,9 @@ private:
 
     void setUserStyleSheet(const QString &filePath);
 
+    void checkDefaultWebBrowser();
+    void checkOptimizeDatabase();
+
     bool m_isPrivate;
     bool m_isPortable;
     bool m_isClosing;