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GH-1874 Do not allow launching instances during an update

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This commit is contained in:
Petr Mrázek 2017-05-02 23:29:47 +02:00
parent 6a8bb3691b
commit 907aa36704
3 changed files with 21 additions and 1 deletions
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6
application/MainWindow.cpp
View File

@ -989,8 +989,14 @@ void MainWindow::downloadUpdates(GoUpdate::Status status)
// If the task succeeds, install the updates.
if (updateDlg.execWithTask(&updateTask))
{
/**
* NOTE: This disables launching instances until the update either succeeds (and this process exits)
* or the update fails (and the control leaves this scope).
*/
MMC->updateIsRunning(true);
UpdateController update(this, MMC->root(), updateTask.updateFilesDir(), updateTask.operations());
update.installUpdates();
MMC->updateIsRunning(false);
}
else
{

12
application/MultiMC.cpp
View File

@ -939,7 +939,11 @@ bool MultiMC::openJsonEditor(const QString &filename)
bool MultiMC::launch(InstancePtr instance, bool online, BaseProfilerFactory *profiler)
{
if(instance->canLaunch())
if(m_updateRunning)
{
qDebug() << "Cannot launch instances while an update is running.";
}
else if(instance->canLaunch())
{
auto & extras = m_instanceExtras[instance->id()];
auto & window = extras.window;
@ -1027,6 +1031,12 @@ bool MultiMC::updatesAreAllowed()
return m_runningInstances == 0;
}
void MultiMC::updateIsRunning(bool running)
{
m_updateRunning = running;
}
void MultiMC::controllerSucceeded()
{
auto controller = qobject_cast<LaunchController *>(QObject::sender());

4
application/MultiMC.h
View File

@ -151,6 +151,7 @@ public:
return m_runningInstances;
}
void updateIsRunning(bool running);
bool updatesAreAllowed();
signals:
@ -227,8 +228,11 @@ private:
shared_qobject_ptr<LaunchController> controller;
};
std::map<QString, InstanceXtras> m_instanceExtras;
// main state variables
size_t m_openWindows = 0;
size_t m_runningInstances = 0;
bool m_updateRunning = false;
// main window, if any
MainWindow * m_mainWindow = nullptr;