cmake: Modernize build system

[quassel.git] / src / main / monoapplication.cpp

diff --git a/src/main/monoapplication.cpp b/src/main/monoapplication.cpp
new file mode 100644 (file)
index 0000000..068ec71
--- /dev/null
+++ b/src/main/monoapplication.cpp
@@ -0,0 +1,120 @@
+/***************************************************************************
+ *   Copyright (C) 2005-2018 by the Quassel Project                        *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) version 3.                                           *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include "monoapplication.h"
+#include "coreapplication.h"
+#include "client.h"
+#include "core.h"
+#include "internalpeer.h"
+#include "logmessage.h"
+#include "qtui.h"
+
+class InternalPeer;
+
+MonolithicApplication::MonolithicApplication(int &argc, char **argv)
+    : QtUiApplication(argc, argv)
+{
+}
+
+
+void MonolithicApplication::init()
+{
+    QtUiApplication::init();
+
+    connect(Client::coreConnection(), SIGNAL(connectToInternalCore(QPointer<InternalPeer>)), this, SLOT(onConnectionRequest(QPointer<InternalPeer>)));
+
+    // If port is set, start internal core directly so external clients can connect
+    // This is useful in case the mono client re-gains remote connection capability,
+    // in which case the internal core would not have to be started by default.
+    if (Quassel::isOptionSet("port")) {
+        startInternalCore();
+    }
+}
+
+
+Quassel::QuitHandler MonolithicApplication::quitHandler()
+{
+    return [this]() {
+        quInfo() << "Client shutting down...";
+        connect(_client.get(), SIGNAL(destroyed()), this, SLOT(onClientDestroyed()));
+        _client.release()->deleteLater();
+    };
+}
+
+
+void MonolithicApplication::onClientDestroyed()
+{
+    if (_core) {
+        connect(_core, SIGNAL(shutdownComplete()), this, SLOT(onCoreShutdown()));
+        _core->shutdown();
+    }
+    else {
+        QCoreApplication::quit();
+    }
+}
+
+
+void MonolithicApplication::onCoreShutdown()
+{
+    if (_core) {
+        connect(_core, SIGNAL(destroyed()), QCoreApplication::instance(), SLOT(quit()));
+        _coreThread.quit();
+        _coreThread.wait();
+    }
+    else {
+        QCoreApplication::quit();
+    }
+}
+
+
+void MonolithicApplication::startInternalCore()
+{
+    if (_core) {
+        // Already started
+        return;
+    }
+
+    // Start internal core in a separate thread, so it doesn't block the UI
+    _core = new Core{};
+    _core->moveToThread(&_coreThread);
+    connect(&_coreThread, SIGNAL(started()), _core, SLOT(initAsync()));
+    connect(&_coreThread, SIGNAL(finished()), _core, SLOT(deleteLater()));
+
+    connect(this, SIGNAL(connectInternalPeer(QPointer<InternalPeer>)), _core, SLOT(connectInternalPeer(QPointer<InternalPeer>)));
+    connect(_core, SIGNAL(sessionState(Protocol::SessionState)), Client::coreConnection(), SLOT(internalSessionStateReceived(Protocol::SessionState)));
+
+    connect(_core, SIGNAL(dbUpgradeInProgress(bool)), Client::instance(), SLOT(onDbUpgradeInProgress(bool)));
+    connect(_core, SIGNAL(exitRequested(int,QString)), Client::instance(), SLOT(onExitRequested(int,QString)));
+
+    _coreThread.start();
+}
+
+
+void MonolithicApplication::onConnectionRequest(QPointer<InternalPeer> peer)
+{
+    if (!_core) {
+        startInternalCore();
+    }
+
+    // While starting the core may take a while, the object itself is instantiated synchronously and the connections
+    // established, so it's safe to emit this immediately. The core will take care of queueing the request until
+    // initialization is complete.
+    emit connectInternalPeer(peer);
+}