Split ServiceRegistryAndroid into InterfaceRegistryAndroid and InterfaceProviderAndroid

content/browser/android/interface_registry_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_registry_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/InterfaceRegistry_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 {
+
+namespace {
+
+// Callback passed to the wrapped InterfaceRegistry upon AddInterface(). The
+// InterfaceRegistry will call it to create a registered Java impl.
+void CreateImplAndAttach(
+    const ScopedJavaGlobalRef<jobject>& j_scoped_interface_registry,
+    const ScopedJavaGlobalRef<jobject>& j_scoped_manager,
+    const ScopedJavaGlobalRef<jobject>& j_scoped_factory,
+    mojo::ScopedMessagePipeHandle handle) {
+  JNIEnv* env = AttachCurrentThread();
+  Java_InterfaceRegistry_createImplAndAttach(
+      env, j_scoped_interface_registry.obj(), handle.release().value(),
+      j_scoped_manager.obj(), j_scoped_factory.obj());
+}
+
+}  // namespace
+
+// static
+std::unique_ptr<InterfaceRegistryAndroid> InterfaceRegistryAndroid::Create(
+    shell::InterfaceRegistry* interface_registry) {
+  return base::WrapUnique(new InterfaceRegistryAndroidImpl(interface_registry));
+}
+
+// static
+bool InterfaceRegistryAndroidImpl::Register(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+InterfaceRegistryAndroidImpl::~InterfaceRegistryAndroidImpl() {
+  Java_InterfaceRegistry_destroy(AttachCurrentThread(), obj_.obj());
+}
+
+// Constructor and destructor call into Java.
+InterfaceRegistryAndroidImpl::InterfaceRegistryAndroidImpl(
+    shell::InterfaceRegistry* interface_registry)
+    : interface_registry_(interface_registry) {
+  JNIEnv* env = AttachCurrentThread();
+  obj_.Reset(
+      env,
+      Java_InterfaceRegistry_create(
+          env, reinterpret_cast<intptr_t>(this)).obj());
+}
+
+const base::android::ScopedJavaGlobalRef<jobject>&
+InterfaceRegistryAndroidImpl::GetObj() {
+  return obj_;
+}
+
+// Methods called from Java.
+void InterfaceRegistryAndroidImpl::AddInterface(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& j_interface_registry,
+    const JavaParamRef<jobject>& j_manager,
+    const JavaParamRef<jobject>& j_factory,
+    const JavaParamRef<jstring>& j_name) {
+  std::string name(ConvertJavaStringToUTF8(env, j_name));
+
+  ScopedJavaGlobalRef<jobject> j_scoped_interface_registry;
+  j_scoped_interface_registry.Reset(env, j_interface_registry);
+
+  ScopedJavaGlobalRef<jobject> j_scoped_manager;
+  j_scoped_manager.Reset(env, j_manager);
+
+  ScopedJavaGlobalRef<jobject> j_scoped_factory;
+  j_scoped_factory.Reset(env, j_factory);
+
+  interface_registry_->AddInterface(
+      name, base::Bind(&CreateImplAndAttach, j_scoped_interface_registry,
+                        j_scoped_manager, j_scoped_factory),
+      nullptr);
+}
+
+void InterfaceRegistryAndroidImpl::RemoveInterface(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& j_interface_registry,
+    const JavaParamRef<jstring>& j_name) {
+  std::string name(ConvertJavaStringToUTF8(env, j_name));
+  interface_registry_->RemoveInterface(name);
+}
+
+}  // namespace content