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
16namespace content {
17
18ChromeAppCacheService::ChromeAppCacheService(
19    storage::QuotaManagerProxy* quota_manager_proxy)
20    : AppCacheServiceImpl(quota_manager_proxy), resource_context_(NULL) {
21}
22
23void 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
52bool 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
60bool 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
67ChromeAppCacheService::~ChromeAppCacheService() {}
68
69void 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
82