content/browser/background_sync/background_sync_context_impl.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/background_sync/background_sync_context_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "content/browser/background_sync/background_sync_manager.h"
   9 #include "content/browser/service_worker/service_worker_context_wrapper.h"
  10 #include "content/public/browser/browser_thread.h"
  11
  12 namespace content {
  13
  14 BackgroundSyncContextImpl::BackgroundSyncContextImpl() {
  15   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  16 }
  17
  18 BackgroundSyncContextImpl::~BackgroundSyncContextImpl() {
  19 }
  20
  21 void BackgroundSyncContextImpl::Init(
  22     const scoped_refptr<ServiceWorkerContextWrapper>& context) {
  23   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  24
  25   BrowserThread::PostTask(
  26       BrowserThread::IO, FROM_HERE,
  27       base::Bind(&BackgroundSyncContextImpl::CreateBackgroundSyncManager, this,
  28                  context));
  29 }
  30
  31 void BackgroundSyncContextImpl::Shutdown() {
  32   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  33
  34   BrowserThread::PostTask(
  35       BrowserThread::IO, FROM_HERE,
  36       base::Bind(&BackgroundSyncContextImpl::ShutdownOnIO, this));
  37 }
  38
  39 BackgroundSyncManager* BackgroundSyncContextImpl::background_sync_manager()
  40     const {
  41   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  42
  43   return background_sync_manager_.get();
  44 }
  45
  46 void BackgroundSyncContextImpl::CreateBackgroundSyncManager(
  47     const scoped_refptr<ServiceWorkerContextWrapper>& context) {
  48   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  49   DCHECK(!background_sync_manager_);
  50
  51   background_sync_manager_ = BackgroundSyncManager::Create(context);
  52 }
  53
  54 void BackgroundSyncContextImpl::ShutdownOnIO() {
  55   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  56
  57   background_sync_manager_.reset();
  58 }
  59
  60 }  // namespace content