mac/app: rewrite App c main function, startup and termination in swift

also move main invocation into AppHub and completely delete the old
Application c implementation.

8 files changed, 95 insertions, 200 deletions

diff --git a/osdep/mac/app_bridge.h b/osdep/mac/app_bridge.h
index 27cc2413ea..fe1180a7ec 100644
--- a/osdep/mac/app_bridge.h
+++ b/osdep/mac/app_bridge.h
@@ -17,6 +17,12 @@
 
 #pragma once
 
+#include <stdbool.h>
+#include "options/m_option.h"
+
+struct input_ctx;
+struct mpv_handle;
+
 enum {
     FRAME_VISIBLE = 0,
     FRAME_WHOLE,
@@ -46,5 +52,7 @@ void cocoa_uninit_media_keys(void);
 void cocoa_set_input_context(struct input_ctx *input_context);
 void cocoa_set_mpv_handle(struct mpv_handle *ctx);
 void cocoa_init_cocoa_cb(void);
+// multithreaded wrapper for mpv_main
+int cocoa_main(int argc, char *argv[]);
 
 extern const struct m_sub_options macos_conf;
diff --git a/osdep/mac/app_bridge.m b/osdep/mac/app_bridge.m
index ab8470d9cc..8e9c4a444b 100644
--- a/osdep/mac/app_bridge.m
+++ b/osdep/mac/app_bridge.m
@@ -114,3 +114,9 @@ void cocoa_init_cocoa_cb(void)
 {
     [[AppHub shared] initCocoaCb];
 }
+
+int cocoa_main(int argc, char *argv[])
+{
+    return [(Application *)[Application sharedApplication] main:argc :argv];
+}
+
diff --git a/osdep/mac/app_bridge_objc.h b/osdep/mac/app_bridge_objc.h
index c34b09736c..60201982cf 100644
--- a/osdep/mac/app_bridge_objc.h
+++ b/osdep/mac/app_bridge_objc.h
@@ -15,6 +15,7 @@
  * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#import <Cocoa/Cocoa.h>
 #import <QuartzCore/QuartzCore.h>
 
 #include "player/client.h"
@@ -28,8 +29,8 @@
 #include "input/keycodes.h"
 #include "video/out/win_state.h"
 
+#include "osdep/main-fn.h"
 #include "osdep/mac/app_bridge.h"
-#include "osdep/mac/application_objc.h"
 
 // complex macros won't get imported to swift so we have to reassign them
 static int SWIFT_MBTN_LEFT       = MP_MBTN_LEFT;
diff --git a/osdep/mac/app_hub.swift b/osdep/mac/app_hub.swift
index 6d4b00fa4c..0172d3904f 100644
--- a/osdep/mac/app_hub.swift
+++ b/osdep/mac/app_hub.swift
@@ -21,7 +21,7 @@ class AppHub: NSObject {
     @objc static let shared = AppHub()
 
     var mpv: OpaquePointer?
-    @objc var input: InputHelper
+    var input: InputHelper
     var option: OptionHelper?
     var event: EventHelper?
     var menu: MenuBar?
@@ -29,7 +29,7 @@ class AppHub: NSObject {
     var remote: RemoteCommandCenter?
 #endif
 #if HAVE_MACOS_TOUCHBAR
-    @objc var touchBar: TouchBar?
+    var touchBar: TouchBar?
 #endif
 #if HAVE_MACOS_COCOA_CB
     var cocoaCb: CocoaCB?
diff --git a/osdep/mac/application.h b/osdep/mac/application.h
deleted file mode 100644
index 3a87cd42a7..0000000000
--- a/osdep/mac/application.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-// multithreaded wrapper for mpv_main
-int cocoa_main(int argc, char *argv[]);
diff --git a/osdep/mac/application.m b/osdep/mac/application.m
deleted file mode 100644
index fb2889e92a..0000000000
--- a/osdep/mac/application.m
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include "config.h"
-#include "mpv_talloc.h"
-
-#include "common/msg.h"
-#include "input/input.h"
-#include "player/client.h"
-#include "options/m_config.h"
-#include "options/options.h"
-
-#import "osdep/mac/application_objc.h"
-#include "osdep/threads.h"
-#include "osdep/main-fn.h"
-
-#if HAVE_SWIFT
-#include "osdep/mac/swift.h"
-#endif
-
-static mp_thread playback_thread_id;
-
-static Application *mpv_shared_app(void)
-{
-    return (Application *)[Application sharedApplication];
-}
-
-static void terminate_cocoa_application(void)
-{
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [NSApp hide:NSApp];
-        [NSApp terminate:NSApp];
-    });
-}
-
-struct playback_thread_ctx {
-    int  *argc;
-    char ***argv;
-};
-
-static void cocoa_run_runloop(void)
-{
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-    [NSApp run];
-    [pool drain];
-}
-
-static MP_THREAD_VOID playback_thread(void *ctx_obj)
-{
-    mp_thread_set_name("core/playback");
-    @autoreleasepool {
-        struct playback_thread_ctx *ctx = (struct playback_thread_ctx*) ctx_obj;
-        int r = mpv_main(*ctx->argc, *ctx->argv);
-        terminate_cocoa_application();
-        // normally never reached - unless the cocoa mainloop hasn't started yet
-        exit(r);
-    }
-}
-
-static void init_cocoa_application(bool regular)
-{
-    NSApp = mpv_shared_app();
-    [NSApp setDelegate:NSApp];
-
-    // Will be set to Regular from cocoa_common during UI creation so that we
-    // don't create an icon when playing audio only files.
-    [NSApp setActivationPolicy: regular ?
-        NSApplicationActivationPolicyRegular :
-        NSApplicationActivationPolicyAccessory];
-
-    atexit_b(^{
-        // Because activation policy has just been set to behave like a real
-        // application, that policy must be reset on exit to prevent, among
-        // other things, the menubar created here from remaining on screen.
-        dispatch_async(dispatch_get_main_queue(), ^{
-            [NSApp setActivationPolicy:NSApplicationActivationPolicyProhibited];
-        });
-    });
-}
-
-static bool bundle_started_from_finder()
-{
-    NSString* bundle = [[[NSProcessInfo processInfo] environment] objectForKey:@"MPVBUNDLE"];
-    return [bundle isEqual:@"true"];
-}
-
-static bool is_psn_argument(char *arg_to_check)
-{
-    NSString *arg = [NSString stringWithUTF8String:arg_to_check];
-    return [arg hasPrefix:@"-psn_"];
-}
-
-static void setup_bundle(int *argc, char *argv[])
-{
-    if (*argc > 1 && is_psn_argument(argv[1])) {
-        *argc = 1;
-        argv[1] = NULL;
-    }
-
-    NSDictionary *env = [[NSProcessInfo processInfo] environment];
-    NSString *path_bundle = [env objectForKey:@"PATH"];
-    NSString *path_new = [NSString stringWithFormat:@"%@:%@:%@:%@:%@",
-                                                    path_bundle,
-                                                    @"/usr/local/bin",
-                                                    @"/usr/local/sbin",
-                                                    @"/opt/local/bin",
-                                                    @"/opt/local/sbin"];
-    setenv("PATH", [path_new UTF8String], 1);
-}
-
-int cocoa_main(int argc, char *argv[])
-{
-    @autoreleasepool {
-        struct playback_thread_ctx ctx = {0};
-        ctx.argc     = &argc;
-        ctx.argv     = &argv;
-
-        if (bundle_started_from_finder()) {
-            setup_bundle(&argc, argv);
-            init_cocoa_application(true);
-        } else {
-            for (int i = 1; i < argc; i++)
-                if (argv[i][0] != '-')
-                    mpv_shared_app().openCount++;
-            init_cocoa_application(false);
-        }
-
-        mp_thread_create(&playback_thread_id, playback_thread, &ctx);
-        [[AppHub shared].input wait];
-        cocoa_run_runloop();
-
-        // This should never be reached: cocoa_run_runloop blocks until the
-        // process is quit
-        fprintf(stderr, "There was either a problem "
-                "initializing Cocoa or the Runloop was stopped unexpectedly. "
-                "Please report this issues to a developer.\n");
-        mp_thread_join(playback_thread_id);
-        return 1;
-    }
-}
diff --git a/osdep/mac/application.swift b/osdep/mac/application.swift
index 6b317be67c..6a1af89cec 100644
--- a/osdep/mac/application.swift
+++ b/osdep/mac/application.swift
@@ -18,12 +18,15 @@
 import Cocoa
 
 class Application: NSApplication, NSApplicationDelegate {
-    let appHub: AppHub
+    var appHub: AppHub { get { return AppHub.shared } }
     let MPV_PROTOCOL: String = "mpv://"
     @objc var openCount: Int = 0
 
+    var playbackThreadId: mp_thread!
+    var argc: Int32?
+    var argv: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?>?
+
     override init() {
-        appHub = AppHub.shared
         super.init()
 
         let eventManager = NSAppleEventManager.shared()
@@ -45,6 +48,22 @@ class Application: NSApplication, NSApplicationDelegate {
         eventManager.removeEventHandler(forEventClass: AEEventClass(kCoreEventClass), andEventID: kAEQuitApplication)
     }
 
+    func initApplication(_ regular: Bool) {
+        NSApp = self
+        NSApp.delegate = self
+
+        // Will be set to Regular from cocoa_common during UI creation so that we
+        // don't create an icon when playing audio only files.
+        NSApp.setActivationPolicy(regular ? .regular : .accessory)
+
+        atexit_b({
+            // Because activation policy has just been set to behave like a real
+            // application, that policy must be reset on exit to prevent, among
+            // other things, the menubar created here from remaining on screen.
+            DispatchQueue.main.async { NSApp.setActivationPolicy(.prohibited) }
+        })
+    }
+
     func terminateApplication() {
         DispatchQueue.main.async {
             NSApp.hide(NSApp)
@@ -75,6 +94,7 @@ class Application: NSApplication, NSApplicationDelegate {
         )
     }
 
+    // quit from App icon
     @objc func handleQuit(event: NSAppleEventDescriptor?, replyEvent: NSAppleEventDescriptor?) {
         if !appHub.input.command("quit") {
             terminateApplication()
@@ -103,4 +123,59 @@ class Application: NSApplication, NSApplicationDelegate {
         }
         appHub.input.open(files: files)
     }
+
+    func bundleStartedFromFinder() -> Bool {
+        return ProcessInfo.processInfo.environment["MPVBUNDLE"] == "true"
+    }
+
+    func setupBundle() {
+        // started from finder the first argument after the binary may start with -psn_
+        // remove it and all following
+        if CommandLine.argc > 1 && CommandLine.arguments[1].hasPrefix("-psn_") {
+            argc? = 1
+            argv?[1] = nil
+        }
+
+        let path = (ProcessInfo.processInfo.environment["PATH"] ?? "") +
+            ":/usr/local/bin:/usr/local/sbin:/opt/local/bin:/opt/local/sbin"
+        _ = path.withCString { setenv("PATH", $0, 1) }
+    }
+
+    let playbackThread: @convention(c) (UnsafeMutableRawPointer) -> UnsafeMutableRawPointer? = { (ptr: UnsafeMutableRawPointer) in
+        let application: Application = TypeHelper.bridge(ptr: ptr)
+        mp_thread_set_name("core/playback")
+        let r: Int32 = mpv_main(application.argc ?? 1, application.argv)
+        application.terminateApplication()
+        // normally never reached - unless the cocoa mainloop hasn't started yet
+        exit(r)
+    }
+
+    @objc func main(_ argc: Int32, _ argv: UnsafeMutablePointer<UnsafeMutablePointer<CChar>?>) -> Int {
+        self.argc = argc
+        self.argv = argv
+
+        if bundleStartedFromFinder() {
+            setupBundle()
+            initApplication(true)
+        } else {
+            for argument in CommandLine.arguments.dropFirst() {
+                if !argument.hasPrefix("-") {
+                    openCount += 1
+                }
+            }
+            initApplication(false)
+        }
+
+        pthread_create(&playbackThreadId, nil, playbackThread, TypeHelper.bridge(obj: self))
+        appHub.input.wait()
+        NSApp.run()
+
+        // This should never be reached: NSApp.run() blocks until the process is quit
+        print("""
+            There was either a problem initializing Cocoa or the Runloop was stopped unexpectedly. \
+            Please report this issues to a developer.\n
+        """)
+        pthread_join(playbackThreadId, nil)
+        return 1
+    }
 }
diff --git a/osdep/mac/application_objc.h b/osdep/mac/application_objc.h
deleted file mode 100644
index 255ede8bc2..0000000000
--- a/osdep/mac/application_objc.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#import <Cocoa/Cocoa.h>
-#include "osdep/mac/application.h"