Backport #12783: macOS: disable AppNap during sync (and mixing)

share/qt/Info.plist.in

@@ -97,9 +97,6 @@
  <key>NSHighResolutionCapable</key>
  <string>True</string>
 
- <key>LSAppNapIsDisabled</key>
- <string>True</string>
-
  <key>NSRequiresAquaSystemAppearance</key>
  <string>True</string>
 

src/Makefile.qt.include

@@ -103,7 +103,8 @@ QT_MOC_CPP = \
 
 BITCOIN_MM = \
  qt/macdockiconhandler.mm \
- qt/macnotificationhandler.mm
+ qt/macnotificationhandler.mm \
+ qt/macos_appnap.mm
 
 QT_MOC = \
  qt/dash.moc \
@@ -142,6 +143,7 @@ BITCOIN_QT_H = \
  qt/intro.h \
  qt/macdockiconhandler.h \
  qt/macnotificationhandler.h \
+ qt/macos_appnap.h \
  qt/modaloverlay.h \
  qt/masternodelist.h \
  qt/networkstyle.h \

src/qt/bitcoingui.cpp

@@ -24,6 +24,7 @@
 #include "utilitydialog.h"
 
 #ifdef ENABLE_WALLET
+#include "privatesend/privatesend-client.h"
 #include "walletframe.h"
 #include "walletmodel.h"
 #endif // ENABLE_WALLET
@@ -266,6 +267,10 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *_platformStyle, const NetworkStyle *
  connect(progressBar, SIGNAL(clicked(QPoint)), this, SLOT(showModalOverlay()));
  }
 #endif
+
+#ifdef Q_OS_MAC
+ m_app_nap_inhibitor = new CAppNapInhibitor;
+#endif
 }
 
 BitcoinGUI::~BitcoinGUI()
@@ -277,6 +282,7 @@ BitcoinGUI::~BitcoinGUI()
  if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
  trayIcon->hide();
 #ifdef Q_OS_MAC
+ delete m_app_nap_inhibitor;
  delete appMenuBar;
  MacDockIconHandler::cleanup();
 #endif
@@ -950,6 +956,19 @@ void BitcoinGUI::updateHeadersSyncProgressLabel()
 
 void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool header)
 {
+#ifdef Q_OS_MAC
+ // Disabling macOS App Nap on initial sync, disk, reindex operations and mixing.
+ bool disableAppNap = !masternodeSync.IsSynced();
+#ifdef ENABLE_WALLET
+ disableAppNap |= privateSendClient.fPrivateSendRunning;
+#endif // ENABLE_WALLET
+ if (disableAppNap) {
+ m_app_nap_inhibitor->disableAppNap();
+ } else {
+ m_app_nap_inhibitor->enableAppNap();
+ }
+#endif // Q_OS_MAC
+
  if (modalOverlay)
  {
  if (header)

src/qt/bitcoingui.h

@@ -19,6 +19,10 @@
 #include <QPushButton>
 #include <QSystemTrayIcon>
 
+#ifdef Q_OS_MAC
+#include <qt/macos_appnap.h>
+#endif
+
 class ClientModel;
 class NetworkStyle;
 class Notificator;
@@ -133,6 +137,10 @@ class BitcoinGUI : public QMainWindow
  HelpMessageDialog *helpMessageDialog;
  ModalOverlay *modalOverlay;
 
+#ifdef Q_OS_MAC
+ CAppNapInhibitor* m_app_nap_inhibitor = nullptr;
+#endif
+
  /** Keep track of previous number of blocks, to detect progress */
  int prevBlocks;
  int spinnerFrame;

src/qt/macos_appnap.h

@@ -0,0 +1,24 @@
+// Copyright (c) 2011-2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_MACOS_APPNAP_H
+#define BITCOIN_QT_MACOS_APPNAP_H
+
+#include <memory>
+
+class CAppNapInhibitor final
+{
+public:
+ explicit CAppNapInhibitor();
+ ~CAppNapInhibitor();
+
+ void disableAppNap();
+ void enableAppNap();
+
+private:
+ class CAppNapImpl;
+ std::unique_ptr<CAppNapImpl> impl;
+};
+
+#endif // BITCOIN_QT_MACOS_APPNAP_H

src/qt/macos_appnap.mm

@@ -0,0 +1,71 @@
+// Copyright (c) 2011-2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "macos_appnap.h"
+
+#include <AvailabilityMacros.h>
+#include <Foundation/NSProcessInfo.h>
+#include <Foundation/Foundation.h>
+
+class CAppNapInhibitor::CAppNapImpl
+{
+public:
+ ~CAppNapImpl()
+ {
+ if(activityId)
+ enableAppNap();
+ }
+
+ void disableAppNap()
+ {
+ if (!activityId)
+ {
+ @autoreleasepool {
+ const NSActivityOptions activityOptions =
+ NSActivityUserInitiatedAllowingIdleSystemSleep &
+ ~(NSActivitySuddenTerminationDisabled |
+ NSActivityAutomaticTerminationDisabled);
+
+ id processInfo = [NSProcessInfo processInfo];
+ if ([processInfo respondsToSelector:@selector(beginActivityWithOptions:reason:)])
+ {
+ activityId = [processInfo beginActivityWithOptions: activityOptions reason:@"Temporarily disable App Nap for dash-qt."];
+ [activityId retain];
+ }
+ }
+ }
+ }
+
+ void enableAppNap()
+ {
+ if(activityId)
+ {
+ @autoreleasepool {
+ id processInfo = [NSProcessInfo processInfo];
+ if ([processInfo respondsToSelector:@selector(endActivity:)])
+ [processInfo endActivity:activityId];
+
+ [activityId release];
+ activityId = nil;
+ }
+ }
+ }
+
+private:
+ NSObject* activityId;
+};
+
+CAppNapInhibitor::CAppNapInhibitor() : impl(new CAppNapImpl()) {}
+
+CAppNapInhibitor::~CAppNapInhibitor() = default;
+
+void CAppNapInhibitor::disableAppNap()
+{
+ impl->disableAppNap();
+}
+
+void CAppNapInhibitor::enableAppNap()
+{
+ impl->enableAppNap();
+}