Move MessagePort implementation from android_webview to content

android_webview/native/aw_message_port_service_impl.h

-// 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.
-
-#ifndef ANDROID_WEBVIEW_NATIVE_AW_MESSAGE_PORT_SERVICE_IMPL_H_
-#define ANDROID_WEBVIEW_NATIVE_AW_MESSAGE_PORT_SERVICE_IMPL_H_
-
-#include <jni.h>
-#include <map>
-
-#include "android_webview/browser/aw_message_port_service.h"
-#include "base/android/jni_weak_ref.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/strings/string16.h"
-
-namespace android_webview {
-
-// This class is the native peer of AwMessagePortService.java. Please see the
-// java class for an explanation of use, ownership and lifetime.
-
-// Threading: Created and initialized on UI thread. For other methods, see
-// the method level DCHECKS or documentation.
-class AwMessagePortServiceImpl : public AwMessagePortService {
- public:
-  static AwMessagePortServiceImpl* GetInstance();
-
-  AwMessagePortServiceImpl();
-  ~AwMessagePortServiceImpl() override;
-  void Init(JNIEnv* env, jobject object);
-
-  void CreateMessageChannel(JNIEnv* env, jobjectArray ports,
-      scoped_refptr<AwMessagePortMessageFilter> filter);
-
-  // AwMessagePortService implementation
-  void OnConvertedWebToAppMessage(
-      int message_port_id,
-      const base::ListValue& message,
-      const std::vector<int>& sent_message_port_ids) override;
-  void OnMessagePortMessageFilterClosing(
-      AwMessagePortMessageFilter* filter) override;
-  void CleanupPort(int message_port_id) override;
-
-  // Methods called from Java.
-  void PostAppToWebMessage(
-      JNIEnv* env,
-      const base::android::JavaParamRef<jobject>& object,
-      int sender_id,
-      const base::android::JavaParamRef<jstring>& message,
-      const base::android::JavaParamRef<jintArray>& sent_ports);
-  void ClosePort(JNIEnv* env,
-                 const base::android::JavaParamRef<jobject>& object,
-                 int message_port_id);
-  void ReleaseMessages(JNIEnv* env,
-                       const base::android::JavaParamRef<jobject>& object,
-                       int message_port_id);
-
-  void RemoveSentPorts(const std::vector<int>& sent_ports);
-
-private:
-  void PostAppToWebMessageOnIOThread(
-      int sender_id,
-      base::string16* message,
-      std::vector<int>* sent_ports);
-  void CreateMessageChannelOnIOThread(
-      scoped_refptr<AwMessagePortMessageFilter> filter,
-      int* port1,
-      int* port2);
-  void OnMessageChannelCreated(
-      base::android::ScopedJavaGlobalRef<jobjectArray>* ports,
-      int* port1,
-      int* port2);
-  void AddPort(int message_port_id, AwMessagePortMessageFilter* filter);
-  void PostClosePortMessage(int message_port_id);
-
-  JavaObjectWeakGlobalRef java_ref_;
-  typedef std::map<int, AwMessagePortMessageFilter*> MessagePorts;
-  MessagePorts ports_; // Access on IO thread
-
-  DISALLOW_COPY_AND_ASSIGN(AwMessagePortServiceImpl);
-};
-
-bool RegisterAwMessagePortService(JNIEnv* env);
-
-}  // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_NATIVE_AW_MESSAGE_PORT_SERVICE_IMPL_H_