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/*
* Copyright (C) 2021 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 "PeripheralControllerInterface.h"
namespace android {
class PeripheralController : public PeripheralControllerInterface {
// Refer to https://developer.android.com/reference/kotlin/android/graphics/Color
/* Number of colors : {red, green, blue} */
static constexpr size_t COLOR_NUM = 3;
static constexpr int32_t MAX_BRIGHTNESS = 0xff;
public:
explicit PeripheralController(InputDeviceContext& deviceContext);
~PeripheralController() override;
int32_t getEventHubId() const override;
void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
void dump(std::string& dump) override;
bool setLightColor(int32_t lightId, int32_t color) override;
bool setLightPlayerId(int32_t lightId, int32_t playerId) override;
std::optional<int32_t> getLightColor(int32_t lightId) override;
std::optional<int32_t> getLightPlayerId(int32_t lightId) override;
std::optional<int32_t> getBatteryCapacity(int32_t batteryId) override;
std::optional<int32_t> getBatteryStatus(int32_t batteryId) override;
private:
inline int32_t getDeviceId() { return mDeviceContext.getId(); }
inline InputDeviceContext& getDeviceContext() { return mDeviceContext; }
inline InputDeviceContext& getDeviceContext() const { return mDeviceContext; }
InputDeviceContext& mDeviceContext;
void configureLights();
void configureBattries();
struct Battery {
explicit Battery(InputDeviceContext& context, const std::string& name, int32_t id)
: context(context), name(name), id(id) {}
virtual ~Battery() {}
InputDeviceContext& context;
std::string name;
int32_t id;
};
struct Light {
explicit Light(InputDeviceContext& context, const std::string& name, int32_t id,
InputDeviceLightType type)
: context(context), name(name), id(id), type(type) {}
virtual ~Light() {}
InputDeviceContext& context;
std::string name;
int32_t id;
InputDeviceLightType type;
ftl::Flags<InputDeviceLightCapability> capabilityFlags;
virtual bool setLightColor(int32_t color) { return false; }
virtual std::optional<int32_t> getLightColor() { return std::nullopt; }
virtual bool setLightPlayerId(int32_t playerId) { return false; }
virtual std::optional<int32_t> getLightPlayerId() { return std::nullopt; }
virtual void dump(std::string& dump) {}
void configureSuggestedBrightnessLevels();
std::optional<std::int32_t> getRawLightBrightness(int32_t rawLightId);
void setRawLightBrightness(int32_t rawLightId, int32_t brightness);
};
struct MonoLight : public Light {
explicit MonoLight(InputDeviceContext& context, const std::string& name, int32_t id,
InputDeviceLightType type, int32_t rawId)
: Light(context, name, id, type), rawId(rawId) {
capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
}
int32_t rawId;
bool setLightColor(int32_t color) override;
std::optional<int32_t> getLightColor() override;
void dump(std::string& dump) override;
};
struct RgbLight : public Light {
explicit RgbLight(InputDeviceContext& context, int32_t id, InputDeviceLightType type,
const std::unordered_map<LightColor, int32_t>& rawRgbIds,
std::optional<int32_t> rawGlobalId)
: Light(context, "RGB", id, type), rawRgbIds(rawRgbIds), rawGlobalId(rawGlobalId) {
brightness = rawGlobalId.has_value()
? getRawLightBrightness(rawGlobalId.value()).value_or(MAX_BRIGHTNESS)
: MAX_BRIGHTNESS;
capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
capabilityFlags |= InputDeviceLightCapability::RGB;
}
// Map from color to raw light id.
std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds;
// Optional global control raw light id.
std::optional<int32_t> rawGlobalId;
int32_t brightness;
bool setLightColor(int32_t color) override;
std::optional<int32_t> getLightColor() override;
void dump(std::string& dump) override;
};
struct MultiColorLight : public Light {
explicit MultiColorLight(InputDeviceContext& context, const std::string& name, int32_t id,
InputDeviceLightType type, int32_t rawId)
: Light(context, name, id, type), rawId(rawId) {
capabilityFlags |= InputDeviceLightCapability::BRIGHTNESS;
capabilityFlags |= InputDeviceLightCapability::RGB;
}
int32_t rawId;
bool setLightColor(int32_t color) override;
std::optional<int32_t> getLightColor() override;
void dump(std::string& dump) override;
};
struct PlayerIdLight : public Light {
explicit PlayerIdLight(InputDeviceContext& context, const std::string& name, int32_t id,
const std::unordered_map<int32_t, int32_t>& rawLightIds)
: Light(context, name, id, InputDeviceLightType::PLAYER_ID),
rawLightIds(rawLightIds) {}
// Map from player Id to raw light Id
std::unordered_map<int32_t, int32_t> rawLightIds;
bool setLightPlayerId(int32_t playerId) override;
std::optional<int32_t> getLightPlayerId() override;
void dump(std::string& dump) override;
};
int32_t mNextId = 0;
// Light color map from light color to the color index.
static const std::unordered_map<std::string, size_t> LIGHT_COLORS;
// Light map from light ID to Light
std::unordered_map<int32_t, std::unique_ptr<Light>> mLights;
// Battery map from battery ID to battery
std::unordered_map<int32_t, std::unique_ptr<Battery>> mBatteries;
std::set<BrightnessLevel> getPreferredBrightnessLevels(const Light* light) const;
};
} // namespace android
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