content/browser/service_worker/cache_storage_dispatcher_host.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/service_worker/cache_storage_dispatcher_host.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/service_worker/cache_storage_context_impl.h"
   9 #include "content/browser/service_worker/service_worker_cache_listener.h"
  10 #include "content/common/service_worker/cache_storage_messages.h"
  11 #include "content/public/browser/content_browser_client.h"
  12
  13 namespace content {
  14
  15 namespace {
  16
  17 const uint32 kFilteredMessageClasses[] = {CacheStorageMsgStart};
  18
  19 }  // namespace
  20
  21 CacheStorageDispatcherHost::CacheStorageDispatcherHost()
  22     : BrowserMessageFilter(kFilteredMessageClasses,
  23                            arraysize(kFilteredMessageClasses)) {
  24 }
  25
  26 CacheStorageDispatcherHost::~CacheStorageDispatcherHost() {
  27 }
  28
  29 void CacheStorageDispatcherHost::Init(CacheStorageContextImpl* context) {
  30   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  31   BrowserThread::PostTask(
  32       BrowserThread::IO, FROM_HERE,
  33       base::Bind(&CacheStorageDispatcherHost::CreateCacheListener, this,
  34                  make_scoped_refptr(context)));
  35 }
  36
  37 void CacheStorageDispatcherHost::OnDestruct() const {
  38   BrowserThread::DeleteOnIOThread::Destruct(this);
  39 }
  40
  41 bool CacheStorageDispatcherHost::OnMessageReceived(
  42     const IPC::Message& message) {
  43   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  44   DCHECK(cache_listener_);
  45   bool handled = cache_listener_->OnMessageReceived(message);
  46   if (!handled)
  47     BadMessageReceived();
  48   return handled;
  49 }
  50
  51 void CacheStorageDispatcherHost::CreateCacheListener(
  52     CacheStorageContextImpl* context) {
  53   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  54   cache_listener_.reset(new ServiceWorkerCacheListener(this, context));
  55 }
  56
  57 }  // namespace content