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 <optional>
20 
21 #include <ui/ColorMode.h>
22 #include <ui/DisplayId.h>
23 #include <ui/StaticDisplayInfo.h>
24 
25 #include "DisplayHardware/DisplayMode.h"
26 #include "Utils/Dumper.h"
27 
28 namespace android::display {
29 
30 // Immutable state of a physical display, captured on hotplug.
31 class DisplaySnapshot {
32 public:
33     DisplaySnapshot(PhysicalDisplayId, ui::DisplayConnectionType, DisplayModes&&, ui::ColorModes&&,
34                     std::optional<DeviceProductInfo>&&);
35 
36     DisplaySnapshot(const DisplaySnapshot&) = delete;
37     DisplaySnapshot(DisplaySnapshot&&) = default;
38 
displayId()39     PhysicalDisplayId displayId() const { return mDisplayId; }
connectionType()40     ui::DisplayConnectionType connectionType() const { return mConnectionType; }
41 
42     std::optional<DisplayModeId> translateModeId(hal::HWConfigId) const;
43 
displayModes()44     const auto& displayModes() const { return mDisplayModes; }
colorModes()45     const auto& colorModes() const { return mColorModes; }
deviceProductInfo()46     const auto& deviceProductInfo() const { return mDeviceProductInfo; }
47 
48     ui::ColorModes filterColorModes(bool supportsWideColor) const;
49 
50     void dump(utils::Dumper&) const;
51 
52 private:
53     const PhysicalDisplayId mDisplayId;
54     const ui::DisplayConnectionType mConnectionType;
55 
56     // Effectively const except in move constructor.
57     DisplayModes mDisplayModes;
58     ui::ColorModes mColorModes;
59     std::optional<DeviceProductInfo> mDeviceProductInfo;
60 };
61 
62 } // namespace android::display
63