1 files changed, 34 insertions, 0 deletions
diff --git a/media/libcubeb/src/cubeb-jni-instances.h b/media/libcubeb/src/cubeb-jni-instances.h
new file mode 100644
index 0000000000..6b06e08016
--- /dev/null
+++ b/media/libcubeb/src/cubeb-jni-instances.h
@@ -0,0 +1,34 @@
+#ifndef _CUBEB_JNI_INSTANCES_H_
+#define _CUBEB_JNI_INSTANCES_H_
+
+#include "mozilla/java/GeckoAppShellWrappers.h"
+#include "mozilla/jni/Utils.h"
+
+/*
+ * The methods in this file offer a way to pass in the required
+ * JNI instances in the cubeb library. By default they return NULL.
+ * In this case part of the cubeb API that depends on JNI
+ * will return CUBEB_ERROR_NOT_SUPPORTED. Currently only one
+ * method depends on that:
+ *
+ * cubeb_stream_get_position()
+ *
+ * Users that want to use that cubeb API method must "override"
+ * the methods bellow to return a valid instance of JavaVM
+ * and application's Context object.
+ * */
+
+JNIEnv *
+cubeb_get_jni_env_for_thread()
+{
+  return mozilla::jni::GetEnvForThread();
+}
+
+jobject
+cubeb_jni_get_context_instance()
+{
+  auto context = mozilla::java::GeckoAppShell::GetApplicationContext();
+  return context.Forget();
+}
+
+#endif //_CUBEB_JNI_INSTANCES_H_