cocoa-cb: conditional compilation for Dark Mode and Material features

Fixes #6621

osdep/macOS_swift_compat.swift

@@ -0,0 +1,24 @@
+/*
+ * 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/>.
+ */
+
+#if !HAVE_MACOS_10_14_FEATURES
+let NSAppearanceNameDarkAqua = "NSAppearanceNameDarkAqua"
+let NSAppearanceNameAccessibilityHighContrastAqua = "NSAppearanceNameAccessibilityAqua"
+let NSAppearanceNameAccessibilityHighContrastDarkAqua = "NSAppearanceNameAccessibilityDarkAqua"
+let NSAppearanceNameAccessibilityHighContrastVibrantLight = "NSAppearanceNameAccessibilityVibrantLight"
+let NSAppearanceNameAccessibilityHighContrastVibrantDark = "NSAppearanceNameAccessibilityVibrantDark"
+#endif

video/out/cocoa-cb/title_bar.swift

@@ -214,6 +214,7 @@ class TitleBar: NSVisualEffectView {
         default:                break
         }
 
+#if HAVE_MACOS_10_11_FEATURES
         if #available(macOS 10.11, *) {
             switch string {
             case "2,", "menu":          return .menu
@@ -224,7 +225,8 @@ class TitleBar: NSVisualEffectView {
             default:                    break
             }
         }
-
+#endif
+#if HAVE_MACOS_10_14_FEATURES
         if #available(macOS 10.14, *) {
             switch string {
             case "5,", "headerView":            return .headerView
@@ -239,6 +241,7 @@ class TitleBar: NSVisualEffectView {
             default:                            break
             }
         }
+#endif
 
         return .titlebar
     }

wscript

@@ -945,7 +945,17 @@ standalone_features = [
             framework_name=['AppKit'],
             compile_filename='test-touchbar.m',
             linkflags='-fobjc-arc')
-     }, {
+    }, {
+        'name': '--macos-10-11-features',
+        'desc': 'macOS 10.11 SDK Features',
+        'deps': 'cocoa',
+        'func': check_macos_sdk('10.11')
+    }, {
+        'name': '--macos-10-14-features',
+        'desc': 'macOS 10.14 SDK Features',
+        'deps': 'cocoa',
+        'func': check_macos_sdk('10.14')
+    }, {
         'name': '--macos-cocoa-cb',
         'desc': 'macOS opengl-cb backend',
         'deps': 'cocoa  && swift',

wscript_build.py

@@ -165,6 +165,7 @@ def build(ctx):
         swift_source = [
             ( "osdep/macOS_mpv_helper.swift" ),
             ( "osdep/macOS_swift_extensions.swift" ),
+            ( "osdep/macOS_swift_compat.swift" ),
             ( "video/out/cocoa-cb/events_view.swift" ),
             ( "video/out/cocoa-cb/video_layer.swift" ),
             ( "video/out/cocoa-cb/window.swift" ),