From e96241265e31264eaa96fda34c7a69c1f1ecf6c0 Mon Sep 17 00:00:00 2001
From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Sun, 23 Feb 2020 13:40:04 +0100
Subject: Use third_party singleapplication helper

This may still not raise the application correctly on some WMs, because
they don't allow disturbing the user with windows popping up. I don't
think we want to work around that.

fixes #84
fixes #113
---
 src/RunGuard.cpp | 84 --------------------------------------------------------
 1 file changed, 84 deletions(-)
 delete mode 100644 src/RunGuard.cpp

(limited to 'src/RunGuard.cpp')

diff --git a/src/RunGuard.cpp b/src/RunGuard.cpp
deleted file mode 100644
index 75833eb7..00000000
--- a/src/RunGuard.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-#include "RunGuard.h"
-
-#include <QCryptographicHash>
-
-namespace {
-
-QString
-generateKeyHash(const QString &key, const QString &salt)
-{
-        QByteArray data;
-
-        data.append(key.toUtf8());
-        data.append(salt.toUtf8());
-        data = QCryptographicHash::hash(data, QCryptographicHash::Sha1).toHex();
-
-        return data;
-}
-}
-
-RunGuard::RunGuard(const QString &key)
-  : key(key)
-  , memLockKey(generateKeyHash(key, "_memLockKey"))
-  , sharedmemKey(generateKeyHash(key, "_sharedmemKey"))
-  , sharedMem(sharedmemKey)
-  , memLock(memLockKey, 1)
-{
-        memLock.acquire();
-        {
-                // Fix for *nix: http://habrahabr.ru/post/173281/
-                QSharedMemory fix(sharedmemKey);
-                fix.attach();
-        }
-
-        memLock.release();
-}
-
-RunGuard::~RunGuard() { release(); }
-
-bool
-RunGuard::isAnotherRunning()
-{
-        if (sharedMem.isAttached())
-                return false;
-
-        memLock.acquire();
-        const bool isRunning = sharedMem.attach();
-
-        if (isRunning)
-                sharedMem.detach();
-
-        memLock.release();
-
-        return isRunning;
-}
-
-bool
-RunGuard::tryToRun()
-{
-        // Extra check
-        if (isAnotherRunning())
-                return false;
-
-        memLock.acquire();
-        const bool result = sharedMem.create(sizeof(quint64));
-        memLock.release();
-
-        if (!result) {
-                release();
-                return false;
-        }
-
-        return true;
-}
-
-void
-RunGuard::release()
-{
-        memLock.acquire();
-
-        if (sharedMem.isAttached())
-                sharedMem.detach();
-
-        memLock.release();
-}
-- 
cgit 1.5.1