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ash / birch / birch_icon_cache.h [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_BIRCH_BIRCH_ICON_CACHE_H_
#define ASH_BIRCH_BIRCH_ICON_CACHE_H_
#include <string>
#include "ash/ash_export.h"
#include "base/containers/flat_map.h"
#include "ui/gfx/image/image_skia.h"
namespace ash {
// Caches icons downloaded from URLs. Birch has a very small number of icons so
// there is no cache invalidation or removal of items from the cache. URLs are
// encoded as strings as this is common in client code.
class ASH_EXPORT BirchIconCache {
public:
BirchIconCache();
BirchIconCache(const BirchIconCache&) = delete;
BirchIconCache& operator=(const BirchIconCache&) = delete;
~BirchIconCache();
// Gets an icon based on a URL. If the icon is not in the cache a null image
// is returned.
gfx::ImageSkia Get(const std::string& url);
// Adds or replaces an image in the cache.
void Put(const std::string& url, const gfx::ImageSkia& icon);
size_t size_for_test() const { return map_.size(); }
private:
// Maps a URL to an icon.
base::flat_map<std::string, gfx::ImageSkia> map_;
};
} // namespace ash
#endif // ASH_BIRCH_BIRCH_ICON_CACHE_H_