77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <functional>
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#include <utility>
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#include <binder/IBinder.h>
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#include <ui/DisplayId.h>
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#include <utils/StrongPointer.h>
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#include "DisplayMap.h"
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#include "DisplaySnapshot.h"
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namespace android::display {
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// TODO(b/229877597): Replace with AIDL type.
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using DisplayToken = IBinder;
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class PhysicalDisplay {
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public:
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template <typename... Args>
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PhysicalDisplay(sp<DisplayToken> token, Args&&... args)
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: mToken(std::move(token)), mSnapshot(std::forward<Args>(args)...) {}
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PhysicalDisplay(const PhysicalDisplay&) = delete;
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PhysicalDisplay(PhysicalDisplay&&) = default;
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const sp<DisplayToken>& token() const { return mToken; }
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const DisplaySnapshot& snapshot() const { return mSnapshot; }
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// Transformers for PhysicalDisplays::get.
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using SnapshotRef = std::reference_wrapper<const DisplaySnapshot>;
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SnapshotRef snapshotRef() const { return std::cref(mSnapshot); }
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bool isInternal() const {
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return mSnapshot.connectionType() == ui::DisplayConnectionType::Internal;
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}
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// Predicate for ftl::find_if on PhysicalDisplays.
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static constexpr auto hasToken(const sp<DisplayToken>& token) {
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return [&token](const std::pair<const PhysicalDisplayId, PhysicalDisplay>& pair) {
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return pair.second.token() == token;
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};
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}
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private:
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const sp<DisplayToken> mToken;
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// Effectively const except in move constructor.
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DisplaySnapshot mSnapshot;
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};
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using PhysicalDisplays = PhysicalDisplayMap<PhysicalDisplayId, PhysicalDisplay>;
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// Combinator for ftl::Optional<PhysicalDisplayId>::and_then.
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constexpr auto getPhysicalDisplay(const PhysicalDisplays& displays) {
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return [&](PhysicalDisplayId id) { return displays.get(id); };
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}
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} // namespace android::display
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