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AppDelegate: Ensure correct lifetime of static objects 

Arranges declarations of objects with static storage duration to ensure
correct lifetimes.
tags/2021-05-28
reuk 4 years ago
parent
7a0b17c0d3
commit
6bcf603f2c
No known key found for this signature in database GPG Key ID: 9ADCD339CFC98A11
1 changed files with 222 additions and 220 deletions
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  1. +222
    -220
      modules/juce_events/native/juce_mac_MessageManager.mm

+ 222
- 220
modules/juce_events/native/juce_mac_MessageManager.mm View File

@@ -33,300 +33,302 @@ using MenuTrackingChangedCallback = void (*)(bool);
MenuTrackingChangedCallback menuTrackingChangedCallback = nullptr;
//==============================================================================
struct AppDelegate
struct AppDelegateClass : public ObjCClass<NSObject>
{
public:
AppDelegate()
AppDelegateClass() : ObjCClass<NSObject> ("JUCEAppDelegate_")
{
static AppDelegateClass cls;
delegate = [cls.createInstance() init];
addMethod (@selector (applicationWillFinishLaunching:), applicationWillFinishLaunching, "v@:@");
addMethod (@selector (applicationShouldTerminate:), applicationShouldTerminate, "I@:@");
addMethod (@selector (applicationWillTerminate:), applicationWillTerminate, "v@:@");
addMethod (@selector (application:openFile:), application_openFile, "c@:@@");
addMethod (@selector (application:openFiles:), application_openFiles, "v@:@@");
addMethod (@selector (applicationDidBecomeActive:), applicationDidBecomeActive, "v@:@");
addMethod (@selector (applicationDidResignActive:), applicationDidResignActive, "v@:@");
addMethod (@selector (applicationWillUnhide:), applicationWillUnhide, "v@:@");
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
addMethod (@selector (getUrl:withReplyEvent:), getUrl_withReplyEvent, "v@:@@");
addMethod (@selector (broadcastMessageCallback:), broadcastMessageCallback, "v@:@");
addMethod (@selector (mainMenuTrackingBegan:), mainMenuTrackingBegan, "v@:@");
addMethod (@selector (mainMenuTrackingEnded:), mainMenuTrackingEnded, "v@:@");
addMethod (@selector (dummyMethod), dummyMethod, "v@:");
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
#if JUCE_PUSH_NOTIFICATIONS
//==============================================================================
addIvar<NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>*> ("pushNotificationsDelegate");
addMethod (@selector (applicationDidFinishLaunching:), applicationDidFinishLaunching, "v@:@");
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[center addObserver: delegate selector: @selector (mainMenuTrackingBegan:)
name: NSMenuDidBeginTrackingNotification object: nil];
[center addObserver: delegate selector: @selector (mainMenuTrackingEnded:)
name: NSMenuDidEndTrackingNotification object: nil];
addMethod (@selector (setPushNotificationsDelegate:), setPushNotificationsDelegate, "v@:@");
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
if (JUCEApplicationBase::isStandaloneApp())
{
[NSApp setDelegate: delegate];
addMethod (@selector (application:didRegisterForRemoteNotificationsWithDeviceToken:), registeredForRemoteNotifications, "v@:@@");
addMethod (@selector (application:didFailToRegisterForRemoteNotificationsWithError:), failedToRegisterForRemoteNotifications, "v@:@@");
addMethod (@selector (application:didReceiveRemoteNotification:), didReceiveRemoteNotification, "v@:@@");
#endif
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[[NSDistributedNotificationCenter defaultCenter] addObserver: delegate
selector: @selector (broadcastMessageCallback:)
name: getBroadcastEventName()
object: nil
suspensionBehavior: NSNotificationSuspensionBehaviorDeliverImmediately];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
}
else
{
[center addObserver: delegate selector: @selector (applicationDidResignActive:)
name: NSApplicationDidResignActiveNotification object: NSApp];
registerClass();
}
[center addObserver: delegate selector: @selector (applicationDidBecomeActive:)
name: NSApplicationDidBecomeActiveNotification object: NSApp];
private:
static void applicationWillFinishLaunching (id self, SEL, NSNotification*)
{
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[[NSAppleEventManager sharedAppleEventManager] setEventHandler: self
andSelector: @selector (getUrl:withReplyEvent:)
forEventClass: kInternetEventClass
andEventID: kAEGetURL];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
}
[center addObserver: delegate selector: @selector (applicationWillUnhide:)
name: NSApplicationWillUnhideNotification object: NSApp];
#if JUCE_PUSH_NOTIFICATIONS
static void applicationDidFinishLaunching (id self, SEL, NSNotification* notification)
{
if (notification.userInfo != nil)
{
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
// NSUserNotification is deprecated from macOS 11, but there doesn't seem to be a
// replacement for NSApplicationLaunchUserNotificationKey returning a non-deprecated type
NSUserNotification* userNotification = notification.userInfo[NSApplicationLaunchUserNotificationKey];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
if (userNotification != nil && userNotification.userInfo != nil)
didReceiveRemoteNotification (self, nil, [NSApplication sharedApplication], userNotification.userInfo);
}
}
#endif
~AppDelegate()
static NSApplicationTerminateReply applicationShouldTerminate (id /*self*/, SEL, NSApplication*)
{
[[NSRunLoop currentRunLoop] cancelPerformSelectorsWithTarget: delegate];
[[NSNotificationCenter defaultCenter] removeObserver: delegate];
if (JUCEApplicationBase::isStandaloneApp())
if (auto* app = JUCEApplicationBase::getInstance())
{
[NSApp setDelegate: nil];
app->systemRequestedQuit();
[[NSDistributedNotificationCenter defaultCenter] removeObserver: delegate
name: getBroadcastEventName()
object: nil];
if (! MessageManager::getInstance()->hasStopMessageBeenSent())
return NSTerminateCancel;
}
[delegate release];
return NSTerminateNow;
}
static NSString* getBroadcastEventName()
static void applicationWillTerminate (id /*self*/, SEL, NSNotification*)
{
return juceStringToNS ("juce_" + String::toHexString (File::getSpecialLocation (File::currentExecutableFile).hashCode64()));
JUCEApplicationBase::appWillTerminateByForce();
}
MessageQueue messageQueue;
id delegate;
private:
//==============================================================================
struct AppDelegateClass : public ObjCClass<NSObject>
static BOOL application_openFile (id /*self*/, SEL, NSApplication*, NSString* filename)
{
AppDelegateClass() : ObjCClass<NSObject> ("JUCEAppDelegate_")
if (auto* app = JUCEApplicationBase::getInstance())
{
addMethod (@selector (applicationWillFinishLaunching:), applicationWillFinishLaunching, "v@:@");
addMethod (@selector (applicationShouldTerminate:), applicationShouldTerminate, "I@:@");
addMethod (@selector (applicationWillTerminate:), applicationWillTerminate, "v@:@");
addMethod (@selector (application:openFile:), application_openFile, "c@:@@");
addMethod (@selector (application:openFiles:), application_openFiles, "v@:@@");
addMethod (@selector (applicationDidBecomeActive:), applicationDidBecomeActive, "v@:@");
addMethod (@selector (applicationDidResignActive:), applicationDidResignActive, "v@:@");
addMethod (@selector (applicationWillUnhide:), applicationWillUnhide, "v@:@");
app->anotherInstanceStarted (quotedIfContainsSpaces (filename));
return YES;
}
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
addMethod (@selector (getUrl:withReplyEvent:), getUrl_withReplyEvent, "v@:@@");
addMethod (@selector (broadcastMessageCallback:), broadcastMessageCallback, "v@:@");
addMethod (@selector (mainMenuTrackingBegan:), mainMenuTrackingBegan, "v@:@");
addMethod (@selector (mainMenuTrackingEnded:), mainMenuTrackingEnded, "v@:@");
addMethod (@selector (dummyMethod), dummyMethod, "v@:");
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
return NO;
}
#if JUCE_PUSH_NOTIFICATIONS
//==============================================================================
addIvar<NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>*> ("pushNotificationsDelegate");
static void application_openFiles (id /*self*/, SEL, NSApplication*, NSArray* filenames)
{
if (auto* app = JUCEApplicationBase::getInstance())
{
StringArray files;
addMethod (@selector (applicationDidFinishLaunching:), applicationDidFinishLaunching, "v@:@");
for (NSString* f in filenames)
files.add (quotedIfContainsSpaces (f));
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
addMethod (@selector (setPushNotificationsDelegate:), setPushNotificationsDelegate, "v@:@");
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
if (files.size() > 0)
app->anotherInstanceStarted (files.joinIntoString (" "));
}
}
addMethod (@selector (application:didRegisterForRemoteNotificationsWithDeviceToken:), registeredForRemoteNotifications, "v@:@@");
addMethod (@selector (application:didFailToRegisterForRemoteNotificationsWithError:), failedToRegisterForRemoteNotifications, "v@:@@");
addMethod (@selector (application:didReceiveRemoteNotification:), didReceiveRemoteNotification, "v@:@@");
#endif
static void applicationDidBecomeActive (id /*self*/, SEL, NSNotification*) { focusChanged(); }
static void applicationDidResignActive (id /*self*/, SEL, NSNotification*) { focusChanged(); }
static void applicationWillUnhide (id /*self*/, SEL, NSNotification*) { focusChanged(); }
registerClass();
}
static void broadcastMessageCallback (id /*self*/, SEL, NSNotification* n)
{
NSDictionary* dict = (NSDictionary*) [n userInfo];
auto messageString = nsStringToJuce ((NSString*) [dict valueForKey: nsStringLiteral ("message")]);
MessageManager::getInstance()->deliverBroadcastMessage (messageString);
}
private:
static void applicationWillFinishLaunching (id self, SEL, NSNotification*)
{
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[[NSAppleEventManager sharedAppleEventManager] setEventHandler: self
andSelector: @selector (getUrl:withReplyEvent:)
forEventClass: kInternetEventClass
andEventID: kAEGetURL];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
}
static void mainMenuTrackingBegan (id /*self*/, SEL, NSNotification*)
{
if (menuTrackingChangedCallback != nullptr)
(*menuTrackingChangedCallback) (true);
}
#if JUCE_PUSH_NOTIFICATIONS
static void applicationDidFinishLaunching (id self, SEL, NSNotification* notification)
{
if (notification.userInfo != nil)
{
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
// NSUserNotification is deprecated from macOS 11, but there doesn't seem to be a
// replacement for NSApplicationLaunchUserNotificationKey returning a non-deprecated type
NSUserNotification* userNotification = notification.userInfo[NSApplicationLaunchUserNotificationKey];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
if (userNotification != nil && userNotification.userInfo != nil)
didReceiveRemoteNotification (self, nil, [NSApplication sharedApplication], userNotification.userInfo);
}
}
#endif
static void mainMenuTrackingEnded (id /*self*/, SEL, NSNotification*)
{
if (menuTrackingChangedCallback != nullptr)
(*menuTrackingChangedCallback) (false);
}
static NSApplicationTerminateReply applicationShouldTerminate (id /*self*/, SEL, NSApplication*)
{
if (auto* app = JUCEApplicationBase::getInstance())
{
app->systemRequestedQuit();
static void dummyMethod (id /*self*/, SEL) {} // (used as a way of running a dummy thread)
if (! MessageManager::getInstance()->hasStopMessageBeenSent())
return NSTerminateCancel;
}
static void focusChanged()
{
if (appFocusChangeCallback != nullptr)
(*appFocusChangeCallback)();
}
return NSTerminateNow;
}
static void getUrl_withReplyEvent (id /*self*/, SEL, NSAppleEventDescriptor* event, NSAppleEventDescriptor*)
{
if (auto* app = JUCEApplicationBase::getInstance())
app->anotherInstanceStarted (quotedIfContainsSpaces ([[event paramDescriptorForKeyword: keyDirectObject] stringValue]));
}
static void applicationWillTerminate (id /*self*/, SEL, NSNotification*)
{
JUCEApplicationBase::appWillTerminateByForce();
}
static String quotedIfContainsSpaces (NSString* file)
{
String s (nsStringToJuce (file));
s = s.unquoted().replace ("\"", "\\\"");
static BOOL application_openFile (id /*self*/, SEL, NSApplication*, NSString* filename)
{
if (auto* app = JUCEApplicationBase::getInstance())
{
app->anotherInstanceStarted (quotedIfContainsSpaces (filename));
return YES;
}
if (s.containsChar (' '))
s = s.quoted();
return NO;
}
return s;
}
static void application_openFiles (id /*self*/, SEL, NSApplication*, NSArray* filenames)
{
if (auto* app = JUCEApplicationBase::getInstance())
{
StringArray files;
#if JUCE_PUSH_NOTIFICATIONS
//==============================================================================
static void setPushNotificationsDelegate (id self, SEL, NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>* delegate)
{
object_setInstanceVariable (self, "pushNotificationsDelegate", delegate);
}
for (NSString* f in filenames)
files.add (quotedIfContainsSpaces (f));
static NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>* getPushNotificationsDelegate (id self)
{
return getIvar<NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>*> (self, "pushNotificationsDelegate");
}
if (files.size() > 0)
app->anotherInstanceStarted (files.joinIntoString (" "));
}
}
static void registeredForRemoteNotifications (id self, SEL, NSApplication* application, NSData* deviceToken)
{
auto* delegate = getPushNotificationsDelegate (self);
static void applicationDidBecomeActive (id /*self*/, SEL, NSNotification*) { focusChanged(); }
static void applicationDidResignActive (id /*self*/, SEL, NSNotification*) { focusChanged(); }
static void applicationWillUnhide (id /*self*/, SEL, NSNotification*) { focusChanged(); }
SEL selector = @selector (application:didRegisterForRemoteNotificationsWithDeviceToken:);
static void broadcastMessageCallback (id /*self*/, SEL, NSNotification* n)
if (delegate != nil && [delegate respondsToSelector: selector])
{
NSDictionary* dict = (NSDictionary*) [n userInfo];
auto messageString = nsStringToJuce ((NSString*) [dict valueForKey: nsStringLiteral ("message")]);
MessageManager::getInstance()->deliverBroadcastMessage (messageString);
}
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &deviceToken atIndex:3];
static void mainMenuTrackingBegan (id /*self*/, SEL, NSNotification*)
{
if (menuTrackingChangedCallback != nullptr)
(*menuTrackingChangedCallback) (true);
[invocation invoke];
}
}
static void mainMenuTrackingEnded (id /*self*/, SEL, NSNotification*)
{
if (menuTrackingChangedCallback != nullptr)
(*menuTrackingChangedCallback) (false);
}
static void failedToRegisterForRemoteNotifications (id self, SEL, NSApplication* application, NSError* error)
{
auto* delegate = getPushNotificationsDelegate (self);
static void dummyMethod (id /*self*/, SEL) {} // (used as a way of running a dummy thread)
SEL selector = @selector (application:didFailToRegisterForRemoteNotificationsWithError:);
static void focusChanged()
if (delegate != nil && [delegate respondsToSelector: selector])
{
if (appFocusChangeCallback != nullptr)
(*appFocusChangeCallback)();
}
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &error atIndex:3];
static void getUrl_withReplyEvent (id /*self*/, SEL, NSAppleEventDescriptor* event, NSAppleEventDescriptor*)
{
if (auto* app = JUCEApplicationBase::getInstance())
app->anotherInstanceStarted (quotedIfContainsSpaces ([[event paramDescriptorForKeyword: keyDirectObject] stringValue]));
[invocation invoke];
}
}
static String quotedIfContainsSpaces (NSString* file)
{
String s (nsStringToJuce (file));
s = s.unquoted().replace ("\"", "\\\"");
static void didReceiveRemoteNotification (id self, SEL, NSApplication* application, NSDictionary* userInfo)
{
auto* delegate = getPushNotificationsDelegate (self);
if (s.containsChar (' '))
s = s.quoted();
SEL selector = @selector (application:didReceiveRemoteNotification:);
return s;
}
#if JUCE_PUSH_NOTIFICATIONS
//==============================================================================
static void setPushNotificationsDelegate (id self, SEL, NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>* delegate)
if (delegate != nil && [delegate respondsToSelector: selector])
{
object_setInstanceVariable (self, "pushNotificationsDelegate", delegate);
}
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &userInfo atIndex:3];
static NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>* getPushNotificationsDelegate (id self)
{
return getIvar<NSObject<NSApplicationDelegate, NSUserNotificationCenterDelegate>*> (self, "pushNotificationsDelegate");
[invocation invoke];
}
}
#endif
};
static void registeredForRemoteNotifications (id self, SEL, NSApplication* application, NSData* deviceToken)
{
auto* delegate = getPushNotificationsDelegate (self);
// This is declared at file scope, so that it's guaranteed to be
// constructed before and destructed after `appDelegate` (below)
static AppDelegateClass appDelegateClass;
SEL selector = @selector (application:didRegisterForRemoteNotificationsWithDeviceToken:);
//==============================================================================
struct AppDelegate
{
public:
AppDelegate()
{
delegate = [appDelegateClass.createInstance() init];
if (delegate != nil && [delegate respondsToSelector: selector])
{
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &deviceToken atIndex:3];
NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
[invocation invoke];
}
}
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[center addObserver: delegate selector: @selector (mainMenuTrackingBegan:)
name: NSMenuDidBeginTrackingNotification object: nil];
[center addObserver: delegate selector: @selector (mainMenuTrackingEnded:)
name: NSMenuDidEndTrackingNotification object: nil];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
static void failedToRegisterForRemoteNotifications (id self, SEL, NSApplication* application, NSError* error)
if (JUCEApplicationBase::isStandaloneApp())
{
auto* delegate = getPushNotificationsDelegate (self);
[NSApp setDelegate: delegate];
SEL selector = @selector (application:didFailToRegisterForRemoteNotificationsWithError:);
JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wundeclared-selector")
[[NSDistributedNotificationCenter defaultCenter] addObserver: delegate
selector: @selector (broadcastMessageCallback:)
name: getBroadcastEventName()
object: nil
suspensionBehavior: NSNotificationSuspensionBehaviorDeliverImmediately];
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
}
else
{
[center addObserver: delegate selector: @selector (applicationDidResignActive:)
name: NSApplicationDidResignActiveNotification object: NSApp];
if (delegate != nil && [delegate respondsToSelector: selector])
{
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &error atIndex:3];
[center addObserver: delegate selector: @selector (applicationDidBecomeActive:)
name: NSApplicationDidBecomeActiveNotification object: NSApp];
[invocation invoke];
}
[center addObserver: delegate selector: @selector (applicationWillUnhide:)
name: NSApplicationWillUnhideNotification object: NSApp];
}
}
static void didReceiveRemoteNotification (id self, SEL, NSApplication* application, NSDictionary* userInfo)
~AppDelegate()
{
[[NSRunLoop currentRunLoop] cancelPerformSelectorsWithTarget: delegate];
[[NSNotificationCenter defaultCenter] removeObserver: delegate];
if (JUCEApplicationBase::isStandaloneApp())
{
auto* delegate = getPushNotificationsDelegate (self);
[NSApp setDelegate: nil];
SEL selector = @selector (application:didReceiveRemoteNotification:);
[[NSDistributedNotificationCenter defaultCenter] removeObserver: delegate
name: getBroadcastEventName()
object: nil];
}
if (delegate != nil && [delegate respondsToSelector: selector])
{
NSInvocation* invocation = [NSInvocation invocationWithMethodSignature: [delegate methodSignatureForSelector: selector]];
[invocation setSelector: selector];
[invocation setTarget: delegate];
[invocation setArgument: &application atIndex:2];
[invocation setArgument: &userInfo atIndex:3];
[delegate release];
}
[invocation invoke];
}
}
#endif
};
static NSString* getBroadcastEventName()
{
return juceStringToNS ("juce_" + String::toHexString (File::getSpecialLocation (File::currentExecutableFile).hashCode64()));
}
MessageQueue messageQueue;
id delegate;
};
//==============================================================================


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