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// Copyright (c) 2011 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.
#ifndef CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_PROXY_H_
#define CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_PROXY_H_
#pragma once
#include <map>
#include <set>
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "content/browser/browser_thread.h"
#include "webkit/quota/quota_manager.h"
#include "webkit/quota/quota_types.h"
namespace quota_internals {
class QuotaInternalsHandler;
class GlobalStorageInfo;
class PerHostStorageInfo;
class PerOriginStorageInfo;
typedef std::map<std::string, std::string> Statistics;
// This class is the bridge between QuotaInternalsHandler and QuotaManager.
// Each QuotaInternalsHandler instances creates and owns a instance of this
// class.
class QuotaInternalsProxy
: public base::RefCountedThreadSafe<QuotaInternalsProxy,
BrowserThread::DeleteOnIOThread> {
public:
explicit QuotaInternalsProxy(QuotaInternalsHandler* handler);
~QuotaInternalsProxy();
void RequestInfo(scoped_refptr<quota::QuotaManager> quota_manager);
private:
typedef quota::QuotaManager::QuotaTableEntries QuotaTableEntries;
typedef quota::QuotaManager::OriginInfoTableEntries OriginInfoTableEntries;
void ReportAvailableSpace(int64 available_space);
void ReportGlobalInfo(const GlobalStorageInfo& data);
void ReportPerHostInfo(const std::vector<PerHostStorageInfo>& hosts);
void ReportPerOriginInfo(const std::vector<PerOriginStorageInfo>& origins);
void ReportStatistics(const Statistics& stats);
// Called on IO Thread by QuotaManager as callback.
void DidGetAvailableSpace(quota::QuotaStatusCode status, int64 space);
void DidGetGlobalQuota(quota::QuotaStatusCode status,
quota::StorageType type,
int64 quota);
void DidGetGlobalUsage(quota::StorageType type,
int64 usage,
int64 unlimited_usage);
void DidDumpQuotaTable(const QuotaTableEntries& entries);
void DidDumpOriginInfoTable(const OriginInfoTableEntries& entries);
void DidGetHostUsage(const std::string& host,
quota::StorageType type,
int64 usage);
// Helper. Called on IO Thread.
void RequestPerOriginInfo(quota::StorageType type);
void VisitHost(const std::string& host, quota::StorageType type);
void GetHostUsage(const std::string& host, quota::StorageType type);
// Used on UI Thread.
QuotaInternalsHandler* handler_;
// Used on IO Thread.
base::ScopedCallbackFactory<QuotaInternalsProxy> callback_factory_;
scoped_refptr<quota::QuotaManager> quota_manager_;
std::set<std::pair<std::string, quota::StorageType> >
hosts_visited_, hosts_pending_;
std::vector<PerHostStorageInfo> report_pending_;
friend class QuotaInternalsHandler;
friend struct BrowserThread::DeleteOnThread<BrowserThread::IO>;
friend class DeleteTask<QuotaInternalsProxy>;
DISALLOW_COPY_AND_ASSIGN(QuotaInternalsProxy);
};
} // quota_internals
#endif // CHROME_BROWSER_UI_WEBUI_QUOTA_INTERNALS_PROXY_H_
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