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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.
#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_INFO_MAP_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_INFO_MAP_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/time.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/extensions/extensions_quota_service.h"
#include "chrome/browser/extensions/process_map.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/extensions/extension_set.h"
namespace extensions {
class Extension;
}
// Contains extension data that needs to be accessed on the IO thread. It can
// be created/destroyed on any thread, but all other methods must be called on
// the IO thread.
class ExtensionInfoMap : public base::RefCountedThreadSafe<ExtensionInfoMap> {
public:
ExtensionInfoMap();
const ExtensionSet& extensions() const { return extensions_; }
const ExtensionSet& disabled_extensions() const {
return disabled_extensions_;
}
const extensions::ProcessMap& process_map() const;
// Callback for when new extensions are loaded.
void AddExtension(const extensions::Extension* extension,
base::Time install_time,
bool incognito_enabled);
// Callback for when an extension is unloaded.
void RemoveExtension(const std::string& extension_id,
const extension_misc::UnloadedExtensionReason reason);
// Returns the time the extension was installed, or base::Time() if not found.
base::Time GetInstallTime(const std::string& extension_id) const;
// Returns true if the user has allowed this extension to run in incognito
// mode.
bool IsIncognitoEnabled(const std::string& extension_id) const;
// Returns true if the given extension can see events and data from another
// sub-profile (incognito to original profile, or vice versa).
bool CanCrossIncognito(const extensions::Extension* extension);
// Adds an entry to process_map_.
void RegisterExtensionProcess(const std::string& extension_id,
int process_id,
int site_instance_id);
// Removes an entry from process_map_.
void UnregisterExtensionProcess(const std::string& extension_id,
int process_id,
int site_instance_id);
void UnregisterAllExtensionsInProcess(int process_id);
// Returns true if there is exists an extension with the same origin as
// |origin| in |process_id| with |permission|.
bool SecurityOriginHasAPIPermission(
const GURL& origin, int process_id,
extensions::APIPermission::ID permission) const;
ExtensionsQuotaService* GetQuotaService();
private:
friend class base::RefCountedThreadSafe<ExtensionInfoMap>;
// Extra dynamic data related to an extension.
struct ExtraData;
// Map of extension_id to ExtraData.
typedef std::map<std::string, ExtraData> ExtraDataMap;
~ExtensionInfoMap();
ExtensionSet extensions_;
ExtensionSet disabled_extensions_;
// Extra data associated with enabled extensions.
ExtraDataMap extra_data_;
// Used by dispatchers to limit API quota for individual extensions.
// The ExtensionQutoaService is not thread safe. We need to create and destroy
// it on the IO thread.
scoped_ptr<ExtensionsQuotaService> quota_service_;
// Assignment of extensions to processes.
extensions::ProcessMap process_map_;
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_INFO_MAP_H_
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