| // Copyright 2017 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 IOS_CHROME_BROWSER_SNAPSHOTS_SNAPSHOT_CACHE_OBSERVER_H_ |
| #define IOS_CHROME_BROWSER_SNAPSHOTS_SNAPSHOT_CACHE_OBSERVER_H_ |
| |
| #import <Foundation/Foundation.h> |
| |
| @class SnapshotCache; |
| |
| // Interface for listening to events occurring to the SnapshotCache. |
| @protocol SnapshotCacheObserver |
| @optional |
| // Tells the observing object that the |snapshot_cache| was updated with a new |
| // snapshot for |tab_id|. |
| - (void)snapshotCache:(SnapshotCache*)snapshotCache |
| didUpdateSnapshotForTab:(NSString*)tabID; |
| @end |
| |
| #endif // IOS_CHROME_BROWSER_SNAPSHOTS_SNAPSHOT_CACHE_OBSERVER_H_ |
