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 "chrome/browser/browsing_data/browsing_data_appcache_helper.h"
6
7 #include "base/bind.h"
8 #include "base/bind_helpers.h"
9 #include "chrome/browser/browsing_data/browsing_data_helper.h"
10 #include "chrome/browser/profiles/profile.h"
11 #include "chrome/common/url_constants.h"
12 #include "content/public/browser/browser_context.h"
13 #include "content/public/browser/browser_thread.h"
14 #include "content/public/browser/storage_partition.h"
15 #include "webkit/browser/appcache/appcache_database.h"
16 #include "webkit/browser/appcache/appcache_storage.h"
17
18 using content::BrowserThread;
19 using content::BrowserContext;
20
BrowsingDataAppCacheHelper(Profile * profile)21 BrowsingDataAppCacheHelper::BrowsingDataAppCacheHelper(Profile* profile)
22 : is_fetching_(false),
23 appcache_service_(BrowserContext::GetDefaultStoragePartition(profile)->
24 GetAppCacheService()) {
25 }
26
StartFetching(const base::Closure & callback)27 void BrowsingDataAppCacheHelper::StartFetching(const base::Closure& callback) {
28 if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
29 DCHECK(!is_fetching_);
30 DCHECK_EQ(false, callback.is_null());
31 is_fetching_ = true;
32 info_collection_ = new appcache::AppCacheInfoCollection;
33 completion_callback_ = callback;
34 BrowserThread::PostTask(
35 BrowserThread::IO, FROM_HERE,
36 base::Bind(&BrowsingDataAppCacheHelper::StartFetching, this, callback));
37 return;
38 }
39
40 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
41 appcache_info_callback_.Reset(
42 base::Bind(&BrowsingDataAppCacheHelper::OnFetchComplete,
43 base::Unretained(this)));
44 appcache_service_->GetAllAppCacheInfo(info_collection_.get(),
45 appcache_info_callback_.callback());
46 }
47
DeleteAppCacheGroup(const GURL & manifest_url)48 void BrowsingDataAppCacheHelper::DeleteAppCacheGroup(
49 const GURL& manifest_url) {
50 if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
51 BrowserThread::PostTask(
52 BrowserThread::IO, FROM_HERE,
53 base::Bind(&BrowsingDataAppCacheHelper::DeleteAppCacheGroup, this,
54 manifest_url));
55 return;
56 }
57
58 appcache_service_->DeleteAppCacheGroup(manifest_url,
59 net::CompletionCallback());
60 }
61
~BrowsingDataAppCacheHelper()62 BrowsingDataAppCacheHelper::~BrowsingDataAppCacheHelper() {}
63
OnFetchComplete(int rv)64 void BrowsingDataAppCacheHelper::OnFetchComplete(int rv) {
65 if (BrowserThread::CurrentlyOn(BrowserThread::IO)) {
66 // Filter out appcache info entries for non-websafe schemes. Extension state
67 // and DevTools, for example, are not considered browsing data.
68 typedef std::map<GURL, appcache::AppCacheInfoVector> InfoByOrigin;
69 InfoByOrigin& origin_map = info_collection_->infos_by_origin;
70 for (InfoByOrigin::iterator origin = origin_map.begin();
71 origin != origin_map.end();) {
72 InfoByOrigin::iterator current = origin;
73 ++origin;
74 if (!BrowsingDataHelper::HasWebScheme(current->first))
75 origin_map.erase(current);
76 }
77
78 BrowserThread::PostTask(
79 BrowserThread::UI, FROM_HERE,
80 base::Bind(&BrowsingDataAppCacheHelper::OnFetchComplete, this, rv));
81 return;
82 }
83
84 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
85 DCHECK(is_fetching_);
86 is_fetching_ = false;
87 completion_callback_.Run();
88 completion_callback_.Reset();
89 }
90
CannedBrowsingDataAppCacheHelper(Profile * profile)91 CannedBrowsingDataAppCacheHelper::CannedBrowsingDataAppCacheHelper(
92 Profile* profile)
93 : BrowsingDataAppCacheHelper(profile),
94 profile_(profile) {
95 info_collection_ = new appcache::AppCacheInfoCollection;
96 }
97
Clone()98 CannedBrowsingDataAppCacheHelper* CannedBrowsingDataAppCacheHelper::Clone() {
99 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
100 CannedBrowsingDataAppCacheHelper* clone =
101 new CannedBrowsingDataAppCacheHelper(profile_);
102
103 clone->info_collection_->infos_by_origin = info_collection_->infos_by_origin;
104 return clone;
105 }
106
AddAppCache(const GURL & manifest_url)107 void CannedBrowsingDataAppCacheHelper::AddAppCache(const GURL& manifest_url) {
108 if (!BrowsingDataHelper::HasWebScheme(manifest_url))
109 return; // Ignore non-websafe schemes.
110
111 OriginAppCacheInfoMap& origin_map = info_collection_->infos_by_origin;
112 appcache::AppCacheInfoVector& appcache_infos_ =
113 origin_map[manifest_url.GetOrigin()];
114
115 for (appcache::AppCacheInfoVector::iterator
116 appcache = appcache_infos_.begin(); appcache != appcache_infos_.end();
117 ++appcache) {
118 if (appcache->manifest_url == manifest_url)
119 return;
120 }
121
122 appcache::AppCacheInfo info;
123 info.manifest_url = manifest_url;
124 appcache_infos_.push_back(info);
125 }
126
Reset()127 void CannedBrowsingDataAppCacheHelper::Reset() {
128 info_collection_->infos_by_origin.clear();
129 }
130
empty() const131 bool CannedBrowsingDataAppCacheHelper::empty() const {
132 return info_collection_->infos_by_origin.empty();
133 }
134
GetAppCacheCount() const135 size_t CannedBrowsingDataAppCacheHelper::GetAppCacheCount() const {
136 size_t count = 0;
137 const OriginAppCacheInfoMap& map = info_collection_->infos_by_origin;
138 for (OriginAppCacheInfoMap::const_iterator it = map.begin();
139 it != map.end();
140 ++it) {
141 count += it->second.size();
142 }
143 return count;
144 }
145
146 const BrowsingDataAppCacheHelper::OriginAppCacheInfoMap&
GetOriginAppCacheInfoMap() const147 CannedBrowsingDataAppCacheHelper::GetOriginAppCacheInfoMap() const {
148 return info_collection_->infos_by_origin;
149 }
150
StartFetching(const base::Closure & completion_callback)151 void CannedBrowsingDataAppCacheHelper::StartFetching(
152 const base::Closure& completion_callback) {
153 completion_callback.Run();
154 }
155
DeleteAppCacheGroup(const GURL & manifest_url)156 void CannedBrowsingDataAppCacheHelper::DeleteAppCacheGroup(
157 const GURL& manifest_url) {
158 info_collection_->infos_by_origin.erase(manifest_url.GetOrigin());
159 BrowsingDataAppCacheHelper::DeleteAppCacheGroup(manifest_url);
160 }
161
~CannedBrowsingDataAppCacheHelper()162 CannedBrowsingDataAppCacheHelper::~CannedBrowsingDataAppCacheHelper() {}
163