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/*
* Copyright 2024 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.
*/
#pragma once
#include <ftl/enum.h>
#include <ui/LogicalDisplayId.h>
#include <cinttypes>
#include <unordered_map>
#include <vector>
namespace android {
/**
* The edge of the current display, where adjacent display is attached to.
*/
enum class DisplayTopologyPosition : int32_t {
LEFT = 0,
TOP = 1,
RIGHT = 2,
BOTTOM = 3,
ftl_last = BOTTOM
};
/**
* Directed edge in the graph of adjacent displays.
*/
struct DisplayTopologyAdjacentDisplay {
ui::LogicalDisplayId displayId = ui::LogicalDisplayId::INVALID;
DisplayTopologyPosition position;
float offsetDp;
};
/**
* Directed Graph representation of Display Topology.
*/
struct DisplayTopologyGraph {
ui::LogicalDisplayId primaryDisplayId = ui::LogicalDisplayId::INVALID;
std::unordered_map<ui::LogicalDisplayId, std::vector<DisplayTopologyAdjacentDisplay>> graph;
std::unordered_map<ui::LogicalDisplayId, int> displaysDensity;
};
} // namespace android
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