content/browser/appcache/chrome_appcache_service.cc

   1 // Copyright (c) 2012 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/appcache/chrome_appcache_service.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "content/browser/appcache/appcache_storage_impl.h"
   9 #include "content/public/browser/browser_thread.h"
  10 #include "content/public/browser/content_browser_client.h"
  11 #include "content/public/browser/resource_context.h"
  12 #include "net/base/net_errors.h"
  13 #include "net/url_request/url_request_context_getter.h"
  14 #include "storage/browser/quota/quota_manager.h"
  15
  16 namespace content {
  17
  18 ChromeAppCacheService::ChromeAppCacheService(
  19     storage::QuotaManagerProxy* quota_manager_proxy)
  20     : AppCacheServiceImpl(quota_manager_proxy), resource_context_(NULL) {
  21 }
  22
  23 void ChromeAppCacheService::InitializeOnIOThread(
  24     const base::FilePath& cache_path,
  25     ResourceContext* resource_context,
  26     net::URLRequestContextGetter* request_context_getter,
  27     scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy) {
  28   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  29
  30   cache_path_ = cache_path;
  31   resource_context_ = resource_context;
  32
  33   // The |request_context_getter| can be NULL in some unit tests.
  34   //
  35   // TODO(ajwong): TestProfile is difficult to work with. The
  36   // SafeBrowsing tests require that GetRequestContext return NULL
  37   // so we can't depend on having a non-NULL value here. See crbug/149783.
  38   if (request_context_getter)
  39     set_request_context(request_context_getter->GetURLRequestContext());
  40
  41   // Init our base class.
  42   Initialize(
  43       cache_path_,
  44       BrowserThread::GetMessageLoopProxyForThread(
  45           BrowserThread::FILE_USER_BLOCKING)
  46           .get(),
  47       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE).get());
  48   set_appcache_policy(this);
  49   set_special_storage_policy(special_storage_policy.get());
  50 }
  51
  52 bool ChromeAppCacheService::CanLoadAppCache(const GURL& manifest_url,
  53                                             const GURL& first_party) {
  54   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  55   // We don't prompt for read access.
  56   return GetContentClient()->browser()->AllowAppCache(
  57       manifest_url, first_party, resource_context_);
  58 }
  59
  60 bool ChromeAppCacheService::CanCreateAppCache(
  61     const GURL& manifest_url, const GURL& first_party) {
  62   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  63   return GetContentClient()->browser()->AllowAppCache(
  64       manifest_url, first_party, resource_context_);
  65 }
  66
  67 ChromeAppCacheService::~ChromeAppCacheService() {}
  68
  69 void ChromeAppCacheService::DeleteOnCorrectThread() const {
  70   if (BrowserThread::CurrentlyOn(BrowserThread::IO)) {
  71     delete this;
  72     return;
  73   }
  74   if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
  75     BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this);
  76     return;
  77   }
  78   // Better to leak than crash on shutdown.
  79 }
  80
  81 }  // namespace content