Stop using deprecated UpdateSystemActivity() on mac.

src/CMakeLists.txt

@@ -825,7 +825,6 @@ optional_source(APPLE
     core/macfslistener.h
     core/macglobalshortcutbackend.h
     devices/macdevicelister.h
-    ui/macscreensaver.h
     ui/macsystemtrayicon.h
 )
 

src/ui/macscreensaver.cpp

@@ -17,24 +17,20 @@
 
 #include "macscreensaver.h"
 
-#include <CoreServices/CoreServices.h>
-
 #include <QtDebug>
 
-MacScreensaver::MacScreensaver() {
-  timer_.setInterval(30000);
-  connect(&timer_, SIGNAL(timeout()), SLOT(Timeout()));
-}
-
-void MacScreensaver::Timeout() {
-  UpdateSystemActivity(OverallAct);
+MacScreensaver::MacScreensaver()
+    : assertion_id_(0) {
 }
 
 void MacScreensaver::Inhibit() {
-  timer_.start(30000);
-  Timeout();
+  IOPMAssertionCreateWithName(
+      kIOPMAssertionTypePreventUserIdleDisplaySleep,
+      kIOPMAssertionLevelOn,
+      CFSTR("Showing full-screen Clementine visualisations"),
+      &assertion_id_);
 }
 
 void MacScreensaver::Uninhibit() {
-  timer_.stop();
+  IOPMAssertionRelease(assertion_id_);
 }

src/ui/macscreensaver.h

@@ -20,21 +20,17 @@
 
 #include "screensaver.h"
 
-#include <QTimer>
+#include <IOKit/pwr_mgt/IOPMLib.h>
 
-class MacScreensaver : public QObject, public Screensaver {
-  Q_OBJECT
+class MacScreensaver : public Screensaver {
  public:
   MacScreensaver();
 
   void Inhibit();
   void Uninhibit();
 
- private slots:
-  void Timeout();
-
  private:
-  QTimer timer_;
+  IOPMAssertionID assertion_id_;
 };
 
 #endif