image_decoder service -> data_decoder service

services/image_decoder/image_decoder_service.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 "services/image_decoder/image_decoder_service.h"
-
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/time/time.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "services/image_decoder/image_decoder_impl.h"
-#include "services/image_decoder/public/interfaces/image_decoder.mojom.h"
-#include "services/service_manager/public/cpp/interface_registry.h"
-#include "services/service_manager/public/cpp/service_context.h"
-
-namespace image_decoder {
-
-namespace {
-
-void OnConnectionLost(std::unique_ptr<service_manager::ServiceContextRef> ref) {
-  // No-op. This merely takes ownership of |ref| so it can be destroyed when
-  // this function is invoked.
-}
-
-void OnImageDecoderRequest(
-    service_manager::ServiceContextRefFactory* ref_factory,
-    mojom::ImageDecoderRequest request) {
-  mojo::MakeStrongBinding(
-      base::MakeUnique<ImageDecoderImpl>(ref_factory->CreateRef()),
-      std::move(request));
-}
-
-}  // namespace
-
-ImageDecoderService::ImageDecoderService() : weak_factory_(this) {}
-
-ImageDecoderService::~ImageDecoderService() = default;
-
-// static
-std::unique_ptr<service_manager::Service> ImageDecoderService::Create() {
-  return base::MakeUnique<ImageDecoderService>();
-}
-
-void ImageDecoderService::OnStart() {
-  ref_factory_.reset(new service_manager::ServiceContextRefFactory(
-      base::Bind(&ImageDecoderService::MaybeRequestQuitDelayed,
-                 base::Unretained(this))));
-}
-
-bool ImageDecoderService::OnConnect(
-    const service_manager::ServiceInfo& remote_info,
-    service_manager::InterfaceRegistry* registry) {
-  // Add a reference to the service and tie it to the lifetime of the
-  // InterfaceRegistry's connection.
-  std::unique_ptr<service_manager::ServiceContextRef> connection_ref =
-      ref_factory_->CreateRef();
-  registry->AddConnectionLostClosure(
-      base::Bind(&OnConnectionLost, base::Passed(&connection_ref)));
-  registry->AddInterface(
-      base::Bind(&OnImageDecoderRequest, ref_factory_.get()));
-  return true;
-}
-
-void ImageDecoderService::MaybeRequestQuitDelayed() {
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&ImageDecoderService::MaybeRequestQuit,
-                 weak_factory_.GetWeakPtr()),
-      base::TimeDelta::FromSeconds(5));
-}
-
-void ImageDecoderService::MaybeRequestQuit() {
-  DCHECK(ref_factory_);
-  if (ref_factory_->HasNoRefs())
-    context()->RequestQuit();
-}
-
-}  // namespace image_decoder