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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_COMMON_PERMISSIONS_PERMISSION_MESSAGE_PROVIDER_H_
#define EXTENSIONS_COMMON_PERMISSIONS_PERMISSION_MESSAGE_PROVIDER_H_
#include <vector>
#include "extensions/common/manifest.h"
#include "extensions/common/permissions/permission_message.h"
namespace extensions {
class PermissionSet;
// The PermissionMessageProvider interprets permissions, translating them
// into warning messages to show to the user. It also determines whether
// a new set of permissions entails showing new warning messages.
class PermissionMessageProvider {
public:
PermissionMessageProvider() {}
virtual ~PermissionMessageProvider() {}
// Return the global permission message provider.
static const PermissionMessageProvider* Get();
// Gets the localized permission messages that represent this set.
// The set of permission messages shown varies by extension type.
virtual PermissionMessages GetPermissionMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const = 0;
// Gets the localized permission messages that represent this set (represented
// as strings). The set of permission messages shown varies by extension type.
virtual std::vector<string16> GetWarningMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const = 0;
// Gets the localized permission details for messages that represent this set
// (represented as strings). The set of permission messages shown varies by
// extension type.
virtual std::vector<string16> GetWarningMessagesDetails(
const PermissionSet* permissions,
Manifest::Type extension_type) const = 0;
// Returns true if |new_permissions| has a greater privilege level than
// |old_permissions|.
// Whether certain permissions are considered varies by extension type.
virtual bool IsPrivilegeIncrease(
const PermissionSet* old_permissions,
const PermissionSet* new_permissions,
Manifest::Type extension_type) const = 0;
};
} // namespace extensions
#endif // EXTENSIONS_COMMON_PERMISSIONS_PERMISSION_MESSAGE_PROVIDER_H_
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