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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/browsing_data_flash_lso_helper.h"
#include <limits>
#include <map>
#include "base/callback.h"
#include "base/logging.h"
#include "chrome/browser/pepper_flash_settings_manager.h"
namespace {
class BrowsingDataFlashLSOHelperImpl
: public BrowsingDataFlashLSOHelper,
public PepperFlashSettingsManager::Client {
public:
explicit BrowsingDataFlashLSOHelperImpl(
content::BrowserContext* browser_context);
// BrowsingDataFlashLSOHelper implementation:
virtual void StartFetching(
const GetSitesWithFlashDataCallback& callback) OVERRIDE;
virtual void DeleteFlashLSOsForSite(const std::string& site) OVERRIDE;
// PepperFlashSettingsManager::Client overrides:
virtual void OnGetSitesWithDataCompleted(
uint32 request_id,
const std::vector<std::string>& sites) OVERRIDE;
virtual void OnClearSiteDataCompleted(
uint32 request_id,
bool success) OVERRIDE;
private:
virtual ~BrowsingDataFlashLSOHelperImpl();
// Asynchronously fetches and deletes data and calls us back.
PepperFlashSettingsManager settings_manager_;
// Identifies the request to fetch site data.
uint32 get_sites_with_data_request_id_;
// Contains the pending requests to clear site data. The key is the request
// ID, the value the site for which to clear data.
std::map<uint32, std::string> clear_site_data_ids_;
// Called when we have fetched the list of sites.
GetSitesWithFlashDataCallback callback_;
DISALLOW_COPY_AND_ASSIGN(BrowsingDataFlashLSOHelperImpl);
};
BrowsingDataFlashLSOHelperImpl::BrowsingDataFlashLSOHelperImpl(
content::BrowserContext* browser_context)
: settings_manager_(this, browser_context),
get_sites_with_data_request_id_(0u) {
}
BrowsingDataFlashLSOHelperImpl::~BrowsingDataFlashLSOHelperImpl() {
}
void BrowsingDataFlashLSOHelperImpl::StartFetching(
const GetSitesWithFlashDataCallback& callback) {
DCHECK(callback_.is_null());
callback_ = callback;
get_sites_with_data_request_id_ = settings_manager_.GetSitesWithData();
}
void BrowsingDataFlashLSOHelperImpl::DeleteFlashLSOsForSite(
const std::string& site) {
const uint64 kClearAllData = 0;
uint32 id = settings_manager_.ClearSiteData(
site, kClearAllData, std::numeric_limits<uint64>::max());
clear_site_data_ids_[id] = site;
}
void BrowsingDataFlashLSOHelperImpl::OnGetSitesWithDataCompleted(
uint32 request_id,
const std::vector<std::string>& sites) {
DCHECK_EQ(get_sites_with_data_request_id_, request_id);
callback_.Run(sites);
callback_ = GetSitesWithFlashDataCallback();
}
void BrowsingDataFlashLSOHelperImpl::OnClearSiteDataCompleted(uint32 request_id,
bool success) {
std::map<uint32, std::string>::iterator entry =
clear_site_data_ids_.find(request_id);
DCHECK(entry != clear_site_data_ids_.end());
LOG_IF(ERROR, !success) << "Couldn't clear Flash LSO data for "
<< entry->second;
clear_site_data_ids_.erase(entry);
}
} // namespace
// static
BrowsingDataFlashLSOHelper* BrowsingDataFlashLSOHelper::Create(
content::BrowserContext* browser_context) {
return new BrowsingDataFlashLSOHelperImpl(browser_context);
}
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