gui: remove macOS start on login code

The macOS startup item code was disabled for builds targeting macOS >
10.11 in #15208. Now that we require macOS 10.12 as a minimum, #17550,
we can remove the startup item code entirely, as the API we were using
was removed in macOS 10.12.

doc/release-notes.md

@@ -86,6 +86,8 @@ Low-level Changes section below.
 GUI changes
 -----------
 
+- The "Start Bitcoin Core on system login" option has been removed on macOS.
+
 Wallet
 ------
 

src/qt/guiutil.cpp

@@ -54,10 +54,7 @@
 #include <QUrlQuery>
 
 #if defined(Q_OS_MAC)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 
-#include <CoreServices/CoreServices.h>
 #include <QProcess>
 
 void ForceActivation();
@@ -691,87 +688,6 @@ bool SetStartOnSystemStartup(bool fAutoStart)
     return true;
 }
 
-
-#elif defined(Q_OS_MAC) && defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 101100
-// based on: https://github.com/Mozketo/LaunchAtLoginController/blob/master/LaunchAtLoginController.m
-
-LSSharedFileListItemRef findStartupItemInList(CFArrayRef listSnapshot, LSSharedFileListRef list, CFURLRef findUrl)
-{
-    if (listSnapshot == nullptr) {
-        return nullptr;
-    }
-
-    // loop through the list of startup items and try to find the bitcoin app
-    for(int i = 0; i < CFArrayGetCount(listSnapshot); i++) {
-        LSSharedFileListItemRef item = (LSSharedFileListItemRef)CFArrayGetValueAtIndex(listSnapshot, i);
-        UInt32 resolutionFlags = kLSSharedFileListNoUserInteraction | kLSSharedFileListDoNotMountVolumes;
-        CFURLRef currentItemURL = nullptr;
-
-#if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 10100
-        if(&LSSharedFileListItemCopyResolvedURL)
-            currentItemURL = LSSharedFileListItemCopyResolvedURL(item, resolutionFlags, nullptr);
-#if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED < 10100
-        else
-            LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
-#endif
-#else
-        LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
-#endif
-
-        if(currentItemURL) {
-            if (CFEqual(currentItemURL, findUrl)) {
-                // found
-                CFRelease(currentItemURL);
-                return item;
-            }
-            CFRelease(currentItemURL);
-        }
-    }
-    return nullptr;
-}
-
-bool GetStartOnSystemStartup()
-{
-    CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
-    if (bitcoinAppUrl == nullptr) {
-        return false;
-    }
-
-    LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
-    CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(loginItems, nullptr);
-    bool res = (findStartupItemInList(listSnapshot, loginItems, bitcoinAppUrl) != nullptr);
-    CFRelease(bitcoinAppUrl);
-    CFRelease(loginItems);
-    CFRelease(listSnapshot);
-    return res;
-}
-
-bool SetStartOnSystemStartup(bool fAutoStart)
-{
-    CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
-    if (bitcoinAppUrl == nullptr) {
-        return false;
-    }
-
-    LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
-    CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(loginItems, nullptr);
-    LSSharedFileListItemRef foundItem = findStartupItemInList(listSnapshot, loginItems, bitcoinAppUrl);
-
-    if(fAutoStart && !foundItem) {
-        // add bitcoin app to startup item list
-        LSSharedFileListInsertItemURL(loginItems, kLSSharedFileListItemBeforeFirst, nullptr, nullptr, bitcoinAppUrl, nullptr, nullptr);
-    }
-    else if(!fAutoStart && foundItem) {
-        // remove item
-        LSSharedFileListItemRemove(loginItems, foundItem);
-    }
-
-    CFRelease(bitcoinAppUrl);
-    CFRelease(loginItems);
-    CFRelease(listSnapshot);
-    return true;
-}
-#pragma GCC diagnostic pop
 #else
 
 bool GetStartOnSystemStartup() { return false; }

src/qt/optionsdialog.cpp

@@ -71,12 +71,10 @@ OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) :
 #ifdef Q_OS_MAC
     /* remove Window tab on Mac */
     ui->tabWidget->removeTab(ui->tabWidget->indexOf(ui->tabWindow));
-#if  defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED > 101100
-    /* hide launch at startup option if compiled against macOS > 10.11 (removed API) */
+    /* hide launch at startup option on macOS */
     ui->bitcoinAtStartup->setVisible(false);
     ui->verticalLayout_Main->removeWidget(ui->bitcoinAtStartup);
     ui->verticalLayout_Main->removeItem(ui->horizontalSpacer_0_Main);
-#endif
 #endif
 
     /* remove Wallet tab in case of -disablewallet */