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