blob: 94289d25c7d6221fc9f1d56a61de84d971125de5 [file] [log] [blame]
// Copyright 2019 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.
class GURL;
// A favicon retriever.
// This protocol is intended to be used in Showcase, abstracting out the actual
// favicon retrieving logic from the View layer.
@protocol FaviconRetriever <NSObject>
// Fetches favicon given a page URL.
// |completion| is guaranteed to only be called on main thread, but could be
// called at any time, even before this returns.
// It might never be called if the favicon is not available.
// It might be called multiple times per request.
- (void)fetchFavicon:(GURL)pageURL completion:(void (^)(UIImage*))completion;