vcl/qt: add Mac display sleep inhibit support

Change-Id: I8a5085529fe85ab43a6db462fbc2b4953d22d58f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/207984
Reviewed-by: Dan Williams <dcbw@libreoffice.org>
Tested-by: Jenkins

vcl/Library_vclplug_osx.mk

@@ -136,6 +136,7 @@ $(eval $(call gb_Library_add_exception_objects,vclplug_osx,\
     vcl/osx/salsys \
     vcl/osx/saltimer \
     vcl/osx/service_entry \
+    vcl/osx/sessioninhibitor \
     vcl/quartz/CoreTextFont \
     vcl/quartz/CoreTextFontFace \
     vcl/quartz/SystemFontList \

vcl/inc/osx/salframe.h

@@ -19,10 +19,6 @@
 
 #pragma once
 
-#include <premac.h>
-#include <IOKit/pwr_mgt/IOPMLib.h>
-#include <postmac.h>
-
 #include <tools/long.hxx>
 #include <vcl/sysdata.hxx>
 
@@ -30,6 +26,7 @@
 #include <osx/salmenu.h>
 #include <osx/saldata.hxx>
 #include <osx/osxvcltypes.h>
+#include <osx/sessioninhibitor.hxx>
 
 #include <salframe.hxx>
 
@@ -85,7 +82,7 @@ public:
     InputContextFlags               mnICOptions;
 
     // To prevent display sleep during presentation
-    IOPMAssertionID                 mnAssertionID;
+    SessionManagerInhibitor         mSessionManagerInhibitor;
 
     NSRect                          maFrameRect;
     NSRect                          maContentRect;

vcl/inc/osx/sessioninhibitor.hxx

@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <vclpluginapi.h>
+#include <string_view>
+#include <assert.h>
+
+#include <premac.h>
+#include <IOKit/pwr_mgt/IOPMLib.h>
+#include <postmac.h>
+
+enum ApplicationInhibitFlags
+{
+    APPLICATION_INHIBIT_IDLE = (1 << 3) // Inhibit the session being marked as idle
+};
+
+class VCLPLUG_OSX_PUBLIC SessionManagerInhibitor
+{
+public:
+    void inhibit(bool bInhibit, std::u16string_view sReason = u"",
+                 ApplicationInhibitFlags eType = APPLICATION_INHIBIT_IDLE);
+
+private:
+    IOPMAssertionID mnAssertionID;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/inc/qt5/QtFrame.hxx

@@ -26,7 +26,9 @@
 #include "QtWidget.hxx"
 
 #include <salframe.hxx>
-#if defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD
+#if defined MACOSX
+#include <osx/sessioninhibitor.hxx>
+#elif defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD
 #include <unx/sessioninhibitor.hxx>
 #endif
 #include <vclpluginapi.h>
@@ -100,7 +102,7 @@ class VCLPLUG_QT_PUBLIC QtFrame : public QObject, public SalFrame
     sal_uInt32 m_nRestoreScreen;
     QRect m_aRestoreGeometry;
 
-#if defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD
+#if defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD || defined MACOSX
     SessionManagerInhibitor m_SessionManagerInhibitor;
 #endif
 #if CHECK_ANY_QT_USING_X11

vcl/osx/salframe.cxx

@@ -1052,10 +1052,7 @@ void AquaSalFrame::StartPresentation( bool bStart )
     if( bStart )
     {
         GetSalData()->maPresentationFrames.push_back( this );
-        IOPMAssertionCreateWithName(kIOPMAssertionTypeNoDisplaySleep,
-                                    kIOPMAssertionLevelOn,
-                                    CFSTR("LibreOffice presentation running"),
-                                    &mnAssertionID);
+        mSessionManagerInhibitor.inhibit(true);
         [mpNSWindow setLevel: NSPopUpMenuWindowLevel];
         if( mbShown )
             [mpNSWindow makeMainWindow];
@@ -1063,7 +1060,7 @@ void AquaSalFrame::StartPresentation( bool bStart )
     else
     {
         GetSalData()->maPresentationFrames.remove( this );
-        IOPMAssertionRelease(mnAssertionID);
+        mSessionManagerInhibitor.inhibit(false);
         [mpNSWindow setLevel: NSNormalWindowLevel];
     }
 }

vcl/osx/sessioninhibitor.cxx

@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <osx/sessioninhibitor.hxx>
+
+#include <sal/log.hxx>
+
+void SessionManagerInhibitor::inhibit(bool bInhibit, std::u16string_view sReason,
+                                      ApplicationInhibitFlags eType)
+{
+    (void)sReason;
+    assert(eType == APPLICATION_INHIBIT_IDLE);
+
+    if (bInhibit)
+    {
+        IOPMAssertionCreateWithName(kIOPMAssertionTypeNoDisplaySleep, kIOPMAssertionLevelOn,
+                                    CFSTR("LibreOffice presentation running"), &mnAssertionID);
+    }
+    else
+    {
+        IOPMAssertionRelease(mnAssertionID);
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/qt5/QtFrame.cxx

@@ -668,7 +668,7 @@ void QtFrame::ShowFullScreen(bool bFullScreen, sal_Int32 nScreen)
 
 void QtFrame::StartPresentation(bool bStart)
 {
-#if defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD
+#if defined LINUX || defined __sun || defined FREEBSD || defined OPENBSD || defined MACOSX
 #if CHECK_QT5_USING_X11
     unsigned int nRootWindow(0);
     std::optional<Display*> aDisplay;