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/*
* Copyright 2022 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 <functional>
#include <utility>
#include <binder/IBinder.h>
#include <ui/DisplayId.h>
#include <ui/DisplayMap.h>
#include <utils/StrongPointer.h>
#include "DisplaySnapshot.h"
namespace android::display {
// TODO(b/229877597): Replace with AIDL type.
using DisplayToken = IBinder;
class PhysicalDisplay {
public:
template <typename... Args>
PhysicalDisplay(sp<DisplayToken> token, Args&&... args)
: mToken(std::move(token)), mSnapshot(std::forward<Args>(args)...) {}
PhysicalDisplay(const PhysicalDisplay&) = delete;
PhysicalDisplay(PhysicalDisplay&&) = default;
const sp<DisplayToken>& token() const { return mToken; }
const DisplaySnapshot& snapshot() const { return mSnapshot; }
// Transformers for PhysicalDisplays::get.
using SnapshotRef = std::reference_wrapper<const DisplaySnapshot>;
SnapshotRef snapshotRef() const { return std::cref(mSnapshot); }
bool isInternal() const {
return mSnapshot.connectionType() == ui::DisplayConnectionType::Internal;
}
// Predicate for ftl::find_if on PhysicalDisplays.
static constexpr auto hasToken(const sp<DisplayToken>& token) {
return [&token](const std::pair<const PhysicalDisplayId, PhysicalDisplay>& pair) {
return pair.second.token() == token;
};
}
private:
const sp<DisplayToken> mToken;
// Effectively const except in move constructor.
DisplaySnapshot mSnapshot;
};
using PhysicalDisplays = ui::PhysicalDisplayMap<PhysicalDisplayId, PhysicalDisplay>;
// Combinator for ftl::Optional<PhysicalDisplayId>::and_then.
constexpr auto getPhysicalDisplay(const PhysicalDisplays& displays) {
return [&](PhysicalDisplayId id) { return displays.get(id); };
}
} // namespace android::display
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