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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 CHROME_COMMON_EXTENSIONS_PERMISSIONS_CHROME_PERMISSION_MESSAGE_PROVIDER_H_
#define CHROME_COMMON_EXTENSIONS_PERMISSIONS_CHROME_PERMISSION_MESSAGE_PROVIDER_H_
#include <set>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/strings/string16.h"
#include "extensions/common/permissions/permission_message_provider.h"
namespace extensions {
class ChromePermissionMessageProvider : public PermissionMessageProvider {
public:
ChromePermissionMessageProvider();
virtual ~ChromePermissionMessageProvider();
// PermissionMessageProvider implementation.
virtual PermissionMessages GetPermissionMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE;
virtual std::vector<base::string16> GetWarningMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE;
virtual std::vector<base::string16> GetWarningMessagesDetails(
const PermissionSet* permissions,
Manifest::Type extension_type) const OVERRIDE;
virtual bool IsPrivilegeIncrease(
const PermissionSet* old_permissions,
const PermissionSet* new_permissions,
Manifest::Type extension_type) const OVERRIDE;
private:
// Gets the permission messages for the API permissions.
std::set<PermissionMessage> GetAPIPermissionMessages(
const PermissionSet* permissions) const;
// Gets the permission messages for the Manifest permissions.
std::set<PermissionMessage> GetManifestPermissionMessages(
const PermissionSet* permissions) const;
// Gets the permission messages for the host permissions.
std::set<PermissionMessage> GetHostPermissionMessages(
const PermissionSet* permissions,
Manifest::Type extension_type) const;
// Returns true if |new_permissions| has an elevated API privilege level
// compared to |old_permissions|.
bool IsAPIPrivilegeIncrease(
const PermissionSet* old_permissions,
const PermissionSet* new_permissions) const;
// Returns true if |new_permissions| has an elevated manifest permission
// privilege level compared to |old_permissions|.
bool IsManifestPermissionPrivilegeIncrease(
const PermissionSet* old_permissions,
const PermissionSet* new_permissions) const;
// Returns true if |new_permissions| has more host permissions compared to
// |old_permissions|.
bool IsHostPrivilegeIncrease(
const PermissionSet* old_permissions,
const PermissionSet* new_permissions,
Manifest::Type extension_type) const;
DISALLOW_COPY_AND_ASSIGN(ChromePermissionMessageProvider);
};
} // namespace extensions
#endif // CHROME_COMMON_EXTENSIONS_PERMISSIONS_CHROME_PERMISSION_MESSAGE_PROVIDER_H_
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