Split ServiceRegistryAndroid into InterfaceRegistryAndroid and InterfaceProviderAndroid

content/browser/android/interface_provider_android_impl.cc

+// Copyright 2016 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 "content/browser/android/interface_provider_android_impl.h"
+
+#include <utility>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/callback.h"
+#include "base/memory/ptr_util.h"
+#include "jni/InterfaceProvider_jni.h"
+#include "mojo/public/cpp/system/message_pipe.h"
+#include "services/shell/public/cpp/interface_provider.h"
+#include "services/shell/public/cpp/interface_registry.h"
+
+using base::android::AttachCurrentThread;
+using base::android::ConvertJavaStringToUTF8;
+using base::android::ScopedJavaGlobalRef;
+
+namespace content {
+
+// static
+std::unique_ptr<InterfaceProviderAndroid> InterfaceProviderAndroid::Create(
+    shell::InterfaceProvider* remote_interfaces) {
+  return base::WrapUnique(new InterfaceProviderAndroidImpl(remote_interfaces));
+}
+
+// static
+bool InterfaceProviderAndroidImpl::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+InterfaceProviderAndroidImpl::~InterfaceProviderAndroidImpl() {
+  Java_InterfaceProvider_destroy(AttachCurrentThread(), obj_.obj());
+}
+
+// Constructor and destructor call into Java.
+InterfaceProviderAndroidImpl::InterfaceProviderAndroidImpl(
+    shell::InterfaceProvider* remote_interfaces)
+    : remote_interfaces_(remote_interfaces) {
+  JNIEnv* env = AttachCurrentThread();
+  obj_.Reset(
+      env,
+      Java_InterfaceProvider_create(
+          env, reinterpret_cast<intptr_t>(this)).obj());
+}
+
+const base::android::ScopedJavaGlobalRef<jobject>&
+InterfaceProviderAndroidImpl::GetObj() {
+  return obj_;
+}
+
+// Methods called from Java.
+void InterfaceProviderAndroidImpl::GetInterface(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& j_interface_provider,
+    const JavaParamRef<jstring>& j_name,
+    jint j_handle) {
+  std::string name(ConvertJavaStringToUTF8(env, j_name));
+  mojo::ScopedMessagePipeHandle handle((mojo::MessagePipeHandle(j_handle)));
+  remote_interfaces_->GetInterface(name, std::move(handle));
+}
+
+}  // namespace content