1 files changed, 97 insertions, 0 deletions
diff --git a/osdep/macos/swift_compat.swift b/osdep/macos/swift_compat.swift
new file mode 100644
index 0000000000..c14aa08282
--- /dev/null
+++ b/osdep/macos/swift_compat.swift
@@ -0,0 +1,97 @@
+/*
+ * 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
+extension NSAppearance.Name {
+    static let darkAqua: NSAppearance.Name = NSAppearance.Name(rawValue: "NSAppearanceNameDarkAqua")
+    static let accessibilityHighContrastAqua: NSAppearance.Name = NSAppearance.Name(rawValue: "NSAppearanceNameAccessibilityAqua")
+    static let accessibilityHighContrastDarkAqua: NSAppearance.Name = NSAppearance.Name(rawValue: "NSAppearanceNameAccessibilityDarkAqua")
+    static let accessibilityHighContrastVibrantLight: NSAppearance.Name = NSAppearance.Name(rawValue: "NSAppearanceNameAccessibilityVibrantLight")
+    static let accessibilityHighContrastVibrantDark: NSAppearance.Name = NSAppearance.Name(rawValue: "NSAppearanceNameAccessibilityVibrantDark")
+}
+
+@available(OSX 10.12, *)
+extension String {
+    static let RGBA16Float: String = kCAContentsFormatRGBA16Float
+    static let RGBA8Uint: String = kCAContentsFormatRGBA8Uint
+    static let gray8Uint: String = kCAContentsFormatGray8Uint
+}
+#endif
+
+extension NSPasteboard.PasteboardType {
+
+    static let fileURLCompat: NSPasteboard.PasteboardType = {
+        if #available(OSX 10.13, *) {
+            return .fileURL
+        } else {
+            return NSPasteboard.PasteboardType(kUTTypeURL as String)
+        }
+    } ()
+
+    static let URLCompat: NSPasteboard.PasteboardType = {
+        if #available(OSX 10.13, *) {
+            return .URL
+        } else {
+            return NSPasteboard.PasteboardType(kUTTypeFileURL as String)
+        }
+    } ()
+}
+
+#if !swift(>=5.0)
+extension Data {
+
+    mutating func withUnsafeMutableBytes<Type>(_ body: (UnsafeMutableRawBufferPointer) throws -> Type) rethrows -> Type {
+        let dataCount = count
+        return try withUnsafeMutableBytes { (ptr: UnsafeMutablePointer<UInt8>) throws -> Type in
+            try body(UnsafeMutableRawBufferPointer(start: ptr, count: dataCount))
+        }
+    }
+}
+#endif
+
+#if !swift(>=4.2)
+extension NSDraggingInfo {
+
+    var draggingPasteboard: NSPasteboard {
+        get { return draggingPasteboard() }
+    }
+}
+#endif
+
+#if !swift(>=4.1)
+extension Array {
+
+    func compactMap<ElementOfResult>(_ transform: (Element) throws -> ElementOfResult?) rethrows -> [ElementOfResult] {
+        return try self.flatMap(transform)
+    }
+}
+
+extension Array where Element == [CGLPixelFormatAttribute] {
+
+    func contains(_ obj: [CGLPixelFormatAttribute]) -> Bool {
+        return self.contains(where:{ $0 == obj })
+    }
+}
+
+extension NSWindow.Level {
+
+    static func +(left: NSWindow.Level, right: Int) -> NSWindow.Level {
+        return NSWindow.Level(left.rawValue + right)
+    }
+}
+#endif
+