140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "mtproto/mtproto_proxy_data.h"
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#include "base/qt/qt_common_adapters.h"
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#include <QtWidgets/QApplication>
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#include <QtNetwork/QLocalServer>
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#include <QtNetwork/QLocalSocket>
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#include <QtCore/QAbstractNativeEventFilter>
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class QLockFile;
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namespace Core {
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class Launcher;
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class UpdateChecker;
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class Application;
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class Sandbox final
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: public QApplication
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, private QAbstractNativeEventFilter {
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private:
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auto createEventNestingLevel() {
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incrementEventNestingLevel();
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return gsl::finally([=] { decrementEventNestingLevel(); });
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}
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public:
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Sandbox(not_null<Launcher*> launcher, int &argc, char **argv);
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Sandbox(const Sandbox &other) = delete;
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Sandbox &operator=(const Sandbox &other) = delete;
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int start();
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void refreshGlobalProxy();
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bool customWorkingDir() const;
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uint64 installationTag() const;
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void postponeCall(FnMut<void()> &&callable);
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bool notify(QObject *receiver, QEvent *e) override;
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template <typename Callable>
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auto customEnterFromEventLoop(Callable &&callable) {
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registerEnterFromEventLoop();
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const auto wrap = createEventNestingLevel();
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return callable();
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}
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rpl::producer<> widgetUpdateRequests() const;
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MTP::ProxyData sandboxProxy() const;
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static Sandbox &Instance() {
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Expects(QCoreApplication::instance() != nullptr);
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return *static_cast<Sandbox*>(QCoreApplication::instance());
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}
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static void QuitWhenStarted();
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~Sandbox();
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protected:
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bool event(QEvent *e) override;
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private:
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typedef QPair<QLocalSocket*, QByteArray> LocalClient;
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typedef QList<LocalClient> LocalClients;
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struct PostponedCall {
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int loopNestingLevel = 0;
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FnMut<void()> callable;
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};
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bool notifyOrInvoke(QObject *receiver, QEvent *e);
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void closeApplication(); // will be done in aboutToQuit()
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void checkForQuit(); // will be done in exec()
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void checkForEmptyLoopNestingLevel();
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void registerEnterFromEventLoop();
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void incrementEventNestingLevel();
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void decrementEventNestingLevel();
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bool nativeEventFilter(
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const QByteArray &eventType,
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void *message,
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base::NativeEventResult *result) override;
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void processPostponedCalls(int level);
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void singleInstanceChecked();
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void launchApplication();
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void setupScreenScale();
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// Return window id for activation.
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uint64 execExternal(const QString &cmd);
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// Single instance application
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void socketConnected();
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void socketError(QLocalSocket::LocalSocketError e);
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void socketDisconnected();
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void socketWritten(qint64 bytes);
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void socketReading();
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void newInstanceConnected();
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void readClients();
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void removeClients();
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const Qt::HANDLE _mainThreadId = nullptr;
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int _eventNestingLevel = 0;
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int _loopNestingLevel = 0;
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std::vector<int> _previousLoopNestingLevels;
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std::vector<PostponedCall> _postponedCalls;
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not_null<Launcher*> _launcher;
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std::unique_ptr<Application> _application;
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QString _localServerName, _localSocketReadData;
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QLocalServer _localServer;
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QLocalSocket _localSocket;
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LocalClients _localClients;
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std::unique_ptr<QLockFile> _lockFile;
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bool _secondInstance = false;
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bool _started = false;
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static bool QuitOnStartRequested;
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std::unique_ptr<UpdateChecker> _updateChecker;
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QByteArray _lastCrashDump;
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MTP::ProxyData _sandboxProxy;
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rpl::event_stream<> _widgetUpdateRequests;
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};
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} // namespace Core
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