From aa58f4149a65783b07c0dc401b5854ed80c4915e Mon Sep 17 00:00:00 2001
From: Pierre Krieger <pierre.krieger1708@gmail.com>
Date: Thu, 30 Apr 2015 13:23:37 +0200
Subject: Add a GlContext trait

---
 src/api/cocoa/mod.rs | 85 +++++++++++++++++++++++++++-------------------------
 1 file changed, 44 insertions(+), 41 deletions(-)

(limited to 'src/api/cocoa/mod.rs')

diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 28d5ecc..101cfc0 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -9,6 +9,7 @@ use libc;
 
 use Api;
 use BuilderAttribs;
+use GlContext;
 use GlRequest;
 use PixelFormat;
 use native_monitor::NativeMonitorId;
@@ -672,39 +673,6 @@ impl Window {
         return None;
     }
 
-    pub unsafe fn make_current(&self) {
-        let _: () = msg_send![*self.context, update];
-        self.context.makeCurrentContext();
-    }
-
-    pub fn is_current(&self) -> bool {
-        unsafe {
-            let current = NSOpenGLContext::currentContext(nil);
-            if current != nil {
-                let is_equal: BOOL = msg_send![current, isEqual:*self.context];
-                is_equal != NO
-            } else {
-                false
-            }
-        }
-    }
-
-    pub fn get_proc_address(&self, _addr: &str) -> *const () {
-        let symbol_name: CFString = FromStr::from_str(_addr).unwrap();
-        let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap();
-        let framework = unsafe {
-            CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef())
-        };
-        let symbol = unsafe {
-            CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
-        };
-        symbol as *const ()
-    }
-
-    pub fn swap_buffers(&self) {
-        unsafe { self.context.flushBuffer(); }
-    }
-
     pub fn platform_display(&self) -> *mut libc::c_void {
         unimplemented!()
     }
@@ -713,14 +681,6 @@ impl Window {
         unimplemented!()
     }
 
-    pub fn get_api(&self) -> ::Api {
-        ::Api::OpenGl
-    }
-
-    pub fn get_pixel_format(&self) -> PixelFormat {
-        self.pixel_format.clone()
-    }
-
     pub fn set_window_resize_callback(&mut self, callback: Option<fn(u32, u32)>) {
         self.delegate.state.resize_handler = callback;
     }
@@ -791,6 +751,49 @@ impl Window {
     }
 }
 
+impl GlContext for Window {
+    unsafe fn make_current(&self) {
+        let _: () = msg_send![*self.context, update];
+        self.context.makeCurrentContext();
+    }
+
+    fn is_current(&self) -> bool {
+        unsafe {
+            let current = NSOpenGLContext::currentContext(nil);
+            if current != nil {
+                let is_equal: BOOL = msg_send![current, isEqual:*self.context];
+                is_equal != NO
+            } else {
+                false
+            }
+        }
+    }
+
+    fn get_proc_address(&self, addr: &str) -> *const libc::c_void {
+        let symbol_name: CFString = FromStr::from_str(_addr).unwrap();
+        let framework_name: CFString = FromStr::from_str("com.apple.opengl").unwrap();
+        let framework = unsafe {
+            CFBundleGetBundleWithIdentifier(framework_name.as_concrete_TypeRef())
+        };
+        let symbol = unsafe {
+            CFBundleGetFunctionPointerForName(framework, symbol_name.as_concrete_TypeRef())
+        };
+        symbol as *const _
+    }
+
+    fn swap_buffers(&self) {
+        unsafe { self.context.flushBuffer(); }
+    }
+
+    fn get_api(&self) -> ::Api {
+        ::Api::OpenGl
+    }
+
+    fn get_pixel_format(&self) -> PixelFormat {
+        self.pixel_format.clone()
+    }
+}
+
 struct IdRef(id);
 
 impl IdRef {
-- 
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