mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
Here is a new policy of the namespace of minikin. - All components should be in minikin namespace. - All tests are also in minikin namespace and no anonymous namespace. Bug: 29233740 Change-Id: I71a8a35049bb8d624f7a78797231e90fed1e2b8c
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef MINIKIN_FONT_LANGUAGE_LIST_CACHE_H
|
|
#define MINIKIN_FONT_LANGUAGE_LIST_CACHE_H
|
|
|
|
#include <unordered_map>
|
|
|
|
#include <minikin/FontFamily.h>
|
|
#include "FontLanguage.h"
|
|
|
|
namespace minikin {
|
|
|
|
class FontLanguageListCache {
|
|
public:
|
|
// A special ID for the empty language list.
|
|
// This value must be 0 since the empty language list is inserted into mLanguageLists by
|
|
// default.
|
|
const static uint32_t kEmptyListId = 0;
|
|
|
|
// Returns language list ID for the given string representation of FontLanguages.
|
|
// Caller should acquire a lock before calling the method.
|
|
static uint32_t getId(const std::string& languages);
|
|
|
|
// Caller should acquire a lock before calling the method.
|
|
static const FontLanguages& getById(uint32_t id);
|
|
|
|
private:
|
|
FontLanguageListCache() {} // Singleton
|
|
~FontLanguageListCache() {}
|
|
|
|
// Caller should acquire a lock before calling the method.
|
|
static FontLanguageListCache* getInstance();
|
|
|
|
std::vector<FontLanguages> mLanguageLists;
|
|
|
|
// A map from string representation of the font language list to the ID.
|
|
std::unordered_map<std::string, uint32_t> mLanguageListLookupTable;
|
|
};
|
|
|
|
} // namespace minikin
|
|
|
|
#endif // MINIKIN_FONT_LANGUAGE_LIST_CACHE_H
|