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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/browsing_data_appcache_helper.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/browsing_data_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/resource_context.h"
#include "webkit/appcache/appcache_database.h"
#include "webkit/appcache/appcache_storage.h"
using appcache::AppCacheDatabase;
using content::BrowserContext;
using content::BrowserThread;
using content::ResourceContext;
BrowsingDataAppCacheHelper::BrowsingDataAppCacheHelper(Profile* profile)
: is_fetching_(false),
resource_context_(profile->GetResourceContext()) {
}
void BrowsingDataAppCacheHelper::StartFetching(const base::Closure& callback) {
if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
DCHECK(!is_fetching_);
DCHECK_EQ(false, callback.is_null());
is_fetching_ = true;
info_collection_ = new appcache::AppCacheInfoCollection;
completion_callback_ = callback;
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataAppCacheHelper::StartFetching, this, callback));
return;
}
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
appcache_info_callback_.Reset(
base::Bind(&BrowsingDataAppCacheHelper::OnFetchComplete,
base::Unretained(this)));
ResourceContext::GetAppCacheService(resource_context_)->
GetAllAppCacheInfo(info_collection_, appcache_info_callback_.callback());
}
void BrowsingDataAppCacheHelper::DeleteAppCacheGroup(
const GURL& manifest_url) {
if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataAppCacheHelper::DeleteAppCacheGroup, this,
manifest_url));
return;
}
ResourceContext::GetAppCacheService(resource_context_)->DeleteAppCacheGroup(
manifest_url, net::CompletionCallback());
}
BrowsingDataAppCacheHelper::~BrowsingDataAppCacheHelper() {}
void BrowsingDataAppCacheHelper::OnFetchComplete(int rv) {
if (BrowserThread::CurrentlyOn(BrowserThread::IO)) {
// Filter out appcache info entries for non-websafe schemes. Extension state
// and DevTools, for example, are not considered browsing data.
typedef std::map<GURL, appcache::AppCacheInfoVector> InfoByOrigin;
InfoByOrigin& origin_map = info_collection_->infos_by_origin;
for (InfoByOrigin::iterator origin = origin_map.begin();
origin != origin_map.end();) {
InfoByOrigin::iterator current = origin;
++origin;
if (!BrowsingDataHelper::HasValidScheme(current->first))
origin_map.erase(current);
}
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&BrowsingDataAppCacheHelper::OnFetchComplete, this, rv));
return;
}
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(is_fetching_);
is_fetching_ = false;
completion_callback_.Run();
completion_callback_.Reset();
}
CannedBrowsingDataAppCacheHelper::CannedBrowsingDataAppCacheHelper(
Profile* profile)
: BrowsingDataAppCacheHelper(profile),
profile_(profile) {
info_collection_ = new appcache::AppCacheInfoCollection;
}
CannedBrowsingDataAppCacheHelper* CannedBrowsingDataAppCacheHelper::Clone() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
CannedBrowsingDataAppCacheHelper* clone =
new CannedBrowsingDataAppCacheHelper(profile_);
clone->info_collection_->infos_by_origin = info_collection_->infos_by_origin;
return clone;
}
void CannedBrowsingDataAppCacheHelper::AddAppCache(const GURL& manifest_url) {
if (!BrowsingDataHelper::HasValidScheme(manifest_url))
return; // Ignore non-websafe schemes.
OriginAppCacheInfoMap& origin_map = info_collection_->infos_by_origin;
appcache::AppCacheInfoVector& appcache_infos_ =
origin_map[manifest_url.GetOrigin()];
for (appcache::AppCacheInfoVector::iterator
appcache = appcache_infos_.begin(); appcache != appcache_infos_.end();
++appcache) {
if (appcache->manifest_url == manifest_url)
return;
}
appcache::AppCacheInfo info;
info.manifest_url = manifest_url;
appcache_infos_.push_back(info);
}
void CannedBrowsingDataAppCacheHelper::Reset() {
info_collection_->infos_by_origin.clear();
}
bool CannedBrowsingDataAppCacheHelper::empty() const {
return info_collection_->infos_by_origin.empty();
}
size_t CannedBrowsingDataAppCacheHelper::GetAppCacheCount() const {
size_t count = 0;
const OriginAppCacheInfoMap& map = info_collection_->infos_by_origin;
for (OriginAppCacheInfoMap::const_iterator it = map.begin();
it != map.end();
++it) {
count += it->second.size();
}
return count;
}
const BrowsingDataAppCacheHelper::OriginAppCacheInfoMap&
CannedBrowsingDataAppCacheHelper::GetOriginAppCacheInfoMap() const {
return info_collection_->infos_by_origin;
}
void CannedBrowsingDataAppCacheHelper::StartFetching(
const base::Closure& completion_callback) {
completion_callback.Run();
}
CannedBrowsingDataAppCacheHelper::~CannedBrowsingDataAppCacheHelper() {}
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