Issue #1829 - Revert “Issue #1751 - Remove Mac code behind MOZ_WIDGET_TOOLKIT == 'cocoa’”

This reverts commit 1fe9c19305dadf2d5bcaa0e589fcd250389dfa8a.

3 files changed, 37 insertions, 0 deletions

diff --git a/media/libcubeb/src/cubeb_osx_run_loop.c b/media/libcubeb/src/cubeb_osx_run_loop.c
new file mode 100644
index 0000000000..0ba9536560
--- /dev/null
+++ b/media/libcubeb/src/cubeb_osx_run_loop.c
@@ -0,0 +1,11 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "OSXRunLoopSingleton.h"
+
+void cubeb_set_coreaudio_notification_runloop()
+{
+  mozilla_set_coreaudio_notification_runloop_if_needed();
+}
diff --git a/media/libcubeb/src/cubeb_osx_run_loop.h b/media/libcubeb/src/cubeb_osx_run_loop.h
new file mode 100644
index 0000000000..78cd68d09b
--- /dev/null
+++ b/media/libcubeb/src/cubeb_osx_run_loop.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2014 Mozilla Foundation
+ *
+ * This program is made available under an ISC-style license.  See the
+ * accompanying file LICENSE for details.
+ */
+
+/* On OSX 10.6 and after, the notification callbacks from the audio hardware are
+ * called on the main thread. Setting the kAudioHardwarePropertyRunLoop property
+ * to null tells the OSX to use a separate thread for that.
+ *
+ * This has to be called only once per process, so it is in a separate header
+ * for easy integration in other code bases.  */
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+void cubeb_set_coreaudio_notification_runloop();
+
+#if defined(__cplusplus)
+}
+#endif
diff --git a/media/libcubeb/src/moz.build b/media/libcubeb/src/moz.build
index c21cc873db..65aaf7256a 100644
--- a/media/libcubeb/src/moz.build
+++ b/media/libcubeb/src/moz.build
@@ -55,6 +55,10 @@ if CONFIG['OS_TARGET'] == 'Darwin':
         'cubeb_audiounit.cpp',
         'cubeb_resampler.cpp'
     ]
+    if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+        SOURCES += [
+            'cubeb_osx_run_loop.c',
+        ]
     DEFINES['USE_AUDIOUNIT'] = True
 
 if CONFIG['OS_TARGET'] == 'WINNT':