1 files changed, 87 insertions, 0 deletions
diff --git a/osdep/mac/option_helper.swift b/osdep/mac/option_helper.swift
new file mode 100644
index 0000000000..e005b3e38c
--- /dev/null
+++ b/osdep/mac/option_helper.swift
@@ -0,0 +1,87 @@
+/*
+ * 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
+
+typealias swift_wakeup_cb_fn = (@convention(c) (UnsafeMutableRawPointer?) -> Void)?
+
+class OptionHelper: NSObject {
+    var log: LogHelper
+    var vo: UnsafeMutablePointer<vo>
+    var optsCachePtr: UnsafeMutablePointer<m_config_cache>
+    var optsPtr: UnsafeMutablePointer<mp_vo_opts>
+    var macOptsCachePtr: UnsafeMutablePointer<m_config_cache>
+    var macOptsPtr: UnsafeMutablePointer<macos_opts>
+
+    // these computed properties return a local copy of the struct accessed:
+    // - don't use if you rely on the pointers
+    // - only for reading
+    var vout: vo { get { return vo.pointee } }
+    var optsCache: m_config_cache { get { return optsCachePtr.pointee } }
+    var opts: mp_vo_opts { get { return optsPtr.pointee } }
+    var macOptsCache: m_config_cache { get { return macOptsCachePtr.pointee } }
+    var macOpts: macos_opts { get { return macOptsPtr.pointee } }
+
+    init(_ vo: UnsafeMutablePointer<vo>, _ log: LogHelper) {
+        self.vo = vo
+        self.log = log
+
+        guard let cache = m_config_cache_alloc(vo, vo.pointee.global, Application.getVoSubConf()),
+              let macCache = m_config_cache_alloc(vo, vo.pointee.global, Application.getMacOSConf()) else
+        {
+            // will never be hit, mp_get_config_group asserts for invalid groups
+            exit(1)
+        }
+        optsCachePtr = cache
+        optsPtr = UnsafeMutablePointer<mp_vo_opts>(OpaquePointer(cache.pointee.opts))
+        macOptsCachePtr = macCache
+        macOptsPtr = UnsafeMutablePointer<macos_opts>(OpaquePointer(macCache.pointee.opts))
+    }
+
+    func nextChangedOption(property: inout UnsafeMutableRawPointer?) -> Bool {
+        return m_config_cache_get_next_changed(optsCachePtr, &property)
+    }
+
+    func setOption(fullscreen: Bool) {
+        optsPtr.pointee.fullscreen = fullscreen
+        _ = withUnsafeMutableBytes(of: &optsPtr.pointee.fullscreen) { (ptr: UnsafeMutableRawBufferPointer) in
+            m_config_cache_write_opt(optsCachePtr, ptr.baseAddress)
+        }
+    }
+
+    func setOption(minimized: Bool) {
+        optsPtr.pointee.window_minimized = minimized
+        _ = withUnsafeMutableBytes(of: &optsPtr.pointee.window_minimized) { (ptr: UnsafeMutableRawBufferPointer) in
+            m_config_cache_write_opt(optsCachePtr, ptr.baseAddress)
+        }
+    }
+
+    func setOption(maximized: Bool) {
+        optsPtr.pointee.window_maximized = maximized
+        _ = withUnsafeMutableBytes(of: &optsPtr.pointee.window_maximized) { (ptr: UnsafeMutableRawBufferPointer) in
+            m_config_cache_write_opt(optsCachePtr, ptr.baseAddress)
+        }
+    }
+
+    func setMacOptionCallback(_ callback: swift_wakeup_cb_fn, context object: AnyObject) {
+        m_config_cache_set_wakeup_cb(macOptsCachePtr, callback, TypeHelper.bridge(obj: object))
+    }
+
+    func nextChangedMacOption(property: inout UnsafeMutableRawPointer?) -> Bool {
+        return m_config_cache_get_next_changed(macOptsCachePtr, &property)
+    }
+}