Index: base/android/context_utils.cc |
diff --git a/base/android/context_utils.cc b/base/android/context_utils.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5e10f21842fc5e4dc2979173dfb9af248e90599e |
--- /dev/null |
+++ b/base/android/context_utils.cc |
@@ -0,0 +1,58 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/android/context_utils.h" |
+ |
+#include <jni.h> |
+ |
+#include "base/android/scoped_java_ref.h" |
+#include "base/lazy_instance.h" |
+#include "jni/ContextUtils_jni.h" |
+ |
+using base::android::JavaRef; |
+ |
+namespace base { |
+namespace android { |
+ |
+namespace { |
+ |
+// Leak the global app context, as it is used from a non-joinable worker thread |
+// that may still be running at shutdown. There is no harm in doing this. |
+base::LazyInstance<base::android::ScopedJavaGlobalRef<jobject>>::Leaky |
+ g_application_context = LAZY_INSTANCE_INITIALIZER; |
+ |
+void SetNativeApplicationContext(JNIEnv* env, const JavaRef<jobject>& context) { |
+ if (env->IsSameObject(g_application_context.Get().obj(), context.obj())) { |
+ // It's safe to set the context more than once if it's the same context. |
+ return; |
+ } |
+ DCHECK(g_application_context.Get().is_null()); |
+ g_application_context.Get().Reset(context); |
+} |
+ |
+} // namespace |
+ |
+const jobject GetApplicationContext() { |
+ DCHECK(!g_application_context.Get().is_null()); |
+ return g_application_context.Get().obj(); |
+} |
+ |
+void InitApplicationContext(JNIEnv* env, const JavaRef<jobject>& context) { |
+ SetNativeApplicationContext(env, context); |
+ Java_ContextUtils_initJavaSideApplicationContext(env, context.obj()); |
+} |
+ |
+static void InitNativeSideApplicationContext( |
+ JNIEnv* env, |
+ const JavaParamRef<jclass>& clazz, |
+ const JavaParamRef<jobject>& context) { |
+ SetNativeApplicationContext(env, context); |
+} |
+ |
+bool RegisterContextUtils(JNIEnv* env) { |
+ return RegisterNativesImpl(env); |
+} |
+ |
+} // namespace android |
+} // namespace base |