1 /* 2 * Copyright 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <ftl/small_map.h> 20 #include <ftl/small_vector.h> 21 #include <ftl/unit.h> 22 23 namespace android::ui { 24 25 // The static capacities were chosen to exceed a typical number of physical and/or virtual displays. 26 27 constexpr size_t kDisplayCapacity = 5; 28 template <typename Key, typename Value> 29 using DisplayMap = ftl::SmallMap<Key, Value, kDisplayCapacity>; 30 31 constexpr size_t kPhysicalDisplayCapacity = 3; 32 template <typename Key, typename Value> 33 using PhysicalDisplayMap = ftl::SmallMap<Key, Value, kPhysicalDisplayCapacity>; 34 template <typename Key> 35 using PhysicalDisplaySet = ftl::SmallMap<Key, ftl::Unit, kPhysicalDisplayCapacity>; 36 37 template <typename T> 38 using DisplayVector = ftl::SmallVector<T, kDisplayCapacity>; 39 40 template <typename T> 41 using PhysicalDisplayVector = ftl::SmallVector<T, kPhysicalDisplayCapacity>; 42 43 } // namespace android::ui 44