| // Copyright 2014 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 COMPONENTS_HANDOFF_HANDOFF_UTILITY_H_ |
| #define COMPONENTS_HANDOFF_HANDOFF_UTILITY_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| namespace handoff { |
| |
| // The activity type that Chrome uses to pass a Handoff to itself. |
| extern NSString* const kChromeHandoffActivityType; |
| |
| // The value of this key in the userInfo dictionary of an NSUserActivity |
| // indicates the origin. The value should not be used for any privacy or |
| // security sensitive operations, since any application can set the key/value |
| // pair. |
| extern NSString* const kOriginKey; |
| |
| // This value indicates that an NSUserActivity originated from Chrome on iOS. |
| extern NSString* const kOriginiOS; |
| |
| // This value indicates that an NSUserActivity originated from Chrome on Mac. |
| extern NSString* const kOriginMac; |
| |
| // Used for UMA metrics. |
| enum Origin { |
| ORIGIN_UNKNOWN = 0, |
| ORIGIN_IOS = 1, |
| ORIGIN_MAC = 2, |
| ORIGIN_COUNT |
| }; |
| |
| // Returns ORIGIN_UNKNOWN if |string| is nil or unrecognized. |
| Origin OriginFromString(NSString* string); |
| |
| // Returns nil if |origin| is not ORIGIN_IOS or ORIGIN_MAC. |
| NSString* StringFromOrigin(Origin origin); |
| |
| } // namespace handoff |
| |
| #endif // COMPONENTS_HANDOFF_HANDOFF_UTILITY_H_ |