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// 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
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
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