| // Copyright 2015 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. |
| |
| #include "ios/chrome/browser/favicon/large_icon_cache.h" |
| |
| #include "components/favicon_base/fallback_icon_style.h" |
| #include "components/favicon_base/favicon_types.h" |
| #include "url/gurl.h" |
| |
| namespace { |
| |
| const int kMaxCacheSize = 12; |
| |
| } // namespace |
| |
| struct LargeIconCacheEntry { |
| LargeIconCacheEntry() {} |
| ~LargeIconCacheEntry() {} |
| |
| std::unique_ptr<favicon_base::LargeIconResult> result; |
| }; |
| |
| LargeIconCache::LargeIconCache() : cache_(kMaxCacheSize) {} |
| |
| LargeIconCache::~LargeIconCache() {} |
| |
| void LargeIconCache::SetCachedResult( |
| const GURL& url, |
| const favicon_base::LargeIconResult& result) { |
| std::unique_ptr<LargeIconCacheEntry> entry(new LargeIconCacheEntry); |
| entry->result = CloneLargeIconResult(result); |
| cache_.Put(url, std::move(entry)); |
| } |
| |
| std::unique_ptr<favicon_base::LargeIconResult> LargeIconCache::GetCachedResult( |
| const GURL& url) { |
| auto iter = cache_.Get(url); |
| if (iter != cache_.end()) { |
| DCHECK(iter->second->result); |
| return CloneLargeIconResult(*iter->second->result.get()); |
| } |
| |
| return std::unique_ptr<favicon_base::LargeIconResult>(); |
| } |
| |
| std::unique_ptr<favicon_base::LargeIconResult> |
| LargeIconCache::CloneLargeIconResult( |
| const favicon_base::LargeIconResult& large_icon_result) { |
| std::unique_ptr<favicon_base::LargeIconResult> clone; |
| if (large_icon_result.bitmap.is_valid()) { |
| clone.reset(new favicon_base::LargeIconResult(large_icon_result.bitmap)); |
| } else { |
| clone.reset( |
| new favicon_base::LargeIconResult(new favicon_base::FallbackIconStyle( |
| *large_icon_result.fallback_icon_style.get()))); |
| } |
| return clone; |
| } |