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// Copyright 2013 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 EXTENSIONS_BROWSER_INFO_MAP_H_
#define EXTENSIONS_BROWSER_INFO_MAP_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "extensions/browser/process_map.h"
#include "extensions/browser/quota_service.h"
#include "extensions/common/extension_set.h"
#include "extensions/common/permissions/api_permission.h"
namespace base {
class FilePath;
}
namespace extensions {
class ContentVerifier;
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 InfoMap : public base::RefCountedThreadSafe<InfoMap> {
public:
InfoMap();
const ExtensionSet& extensions() const { return extensions_; }
const ExtensionSet& disabled_extensions() const {
return disabled_extensions_;
}
// Information about which extensions are assigned to which render processes.
const ProcessMap& process_map() const { return process_map_; }
// Callback for when new extensions are loaded.
void AddExtension(const extensions::Extension* extension,
base::Time install_time,
bool incognito_enabled,
bool notifications_disabled);
// Callback for when an extension is unloaded.
void RemoveExtension(const std::string& extension_id,
const extensions::UnloadedExtensionInfo::Reason 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) const;
// 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;
// Maps a |file_url| to a |file_path| on the local filesystem, including
// resources in extensions. Returns true on success. See NaClBrowserDelegate
// for full details.
bool MapUrlToLocalFilePath(const GURL& file_url,
bool use_blocking_api,
base::FilePath* file_path);
// Returns the IO thread QuotaService. Creates the instance on first call.
QuotaService* GetQuotaService();
// Notifications can be enabled/disabled in real time by the user.
void SetNotificationsDisabled(const std::string& extension_id,
bool notifications_disabled);
bool AreNotificationsDisabled(const std::string& extension_id) const;
void SetContentVerifier(ContentVerifier* verifier);
ContentVerifier* content_verifier() { return content_verifier_.get(); }
private:
friend class base::RefCountedThreadSafe<InfoMap>;
// Extra dynamic data related to an extension.
struct ExtraData;
// Map of extension_id to ExtraData.
typedef std::map<std::string, ExtraData> ExtraDataMap;
~InfoMap();
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 QuotaService is not thread safe. We need to create and destroy it on
// the IO thread.
scoped_ptr<QuotaService> quota_service_;
// Assignment of extensions to renderer processes.
extensions::ProcessMap process_map_;
scoped_refptr<ContentVerifier> content_verifier_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_INFO_MAP_H_
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