diff options
Diffstat (limited to 'services/inputflinger/reader/controller/PeripheralController.cpp')
| -rw-r--r-- | services/inputflinger/reader/controller/PeripheralController.cpp | 527 |
1 files changed, 527 insertions, 0 deletions
diff --git a/services/inputflinger/reader/controller/PeripheralController.cpp b/services/inputflinger/reader/controller/PeripheralController.cpp new file mode 100644 index 0000000000..16251ee0ca --- /dev/null +++ b/services/inputflinger/reader/controller/PeripheralController.cpp @@ -0,0 +1,527 @@ +/* + * 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. + */ + +#include <locale> +#include <regex> + +#include "../Macros.h" + +#include "PeripheralController.h" +#include "input/NamedEnum.h" + +// Log detailed debug messages about input device lights. +static constexpr bool DEBUG_LIGHT_DETAILS = false; + +namespace android { + +static inline int32_t getAlpha(int32_t color) { + return (color >> 24) & 0xff; +} + +static inline int32_t getRed(int32_t color) { + return (color >> 16) & 0xff; +} + +static inline int32_t getGreen(int32_t color) { + return (color >> 8) & 0xff; +} + +static inline int32_t getBlue(int32_t color) { + return color & 0xff; +} + +static inline int32_t toArgb(int32_t brightness, int32_t red, int32_t green, int32_t blue) { + return (brightness & 0xff) << 24 | (red & 0xff) << 16 | (green & 0xff) << 8 | (blue & 0xff); +} + +/** + * Input controller owned by InputReader device, implements the native API for querying input + * lights, getting and setting the lights brightness and color, by interacting with EventHub + * devices. + */ +PeripheralController::PeripheralController(InputDeviceContext& deviceContext) + : mDeviceContext(deviceContext) { + configureBattries(); + configureLights(); +} + +PeripheralController::~PeripheralController() {} + +std::optional<std::int32_t> PeripheralController::Light::getRawLightBrightness(int32_t rawLightId) { + std::optional<RawLightInfo> rawInfoOpt = context.getRawLightInfo(rawLightId); + if (!rawInfoOpt.has_value()) { + return std::nullopt; + } + std::optional<int32_t> brightnessOpt = context.getLightBrightness(rawLightId); + if (!brightnessOpt.has_value()) { + return std::nullopt; + } + int brightness = brightnessOpt.value(); + + // If the light node doesn't have max brightness, use the default max brightness. + int rawMaxBrightness = rawInfoOpt->maxBrightness.value_or(MAX_BRIGHTNESS); + float ratio = MAX_BRIGHTNESS / rawMaxBrightness; + // Scale the returned brightness in [0, rawMaxBrightness] to [0, 255] + if (rawMaxBrightness != MAX_BRIGHTNESS) { + brightness = brightness * ratio; + } + if (DEBUG_LIGHT_DETAILS) { + ALOGD("getRawLightBrightness rawLightId %d brightness 0x%x ratio %.2f", rawLightId, + brightness, ratio); + } + return brightness; +} + +void PeripheralController::Light::setRawLightBrightness(int32_t rawLightId, int32_t brightness) { + std::optional<RawLightInfo> rawInfo = context.getRawLightInfo(rawLightId); + if (!rawInfo.has_value()) { + return; + } + // If the light node doesn't have max brightness, use the default max brightness. + int rawMaxBrightness = rawInfo->maxBrightness.value_or(MAX_BRIGHTNESS); + float ratio = MAX_BRIGHTNESS / rawMaxBrightness; + // Scale the requested brightness in [0, 255] to [0, rawMaxBrightness] + if (rawMaxBrightness != MAX_BRIGHTNESS) { + brightness = ceil(brightness / ratio); + } + if (DEBUG_LIGHT_DETAILS) { + ALOGD("setRawLightBrightness rawLightId %d brightness 0x%x ratio %.2f", rawLightId, + brightness, ratio); + } + context.setLightBrightness(rawLightId, brightness); +} + +bool PeripheralController::MonoLight::setLightColor(int32_t color) { + int32_t brightness = getAlpha(color); + setRawLightBrightness(rawId, brightness); + + return true; +} + +bool PeripheralController::RgbLight::setLightColor(int32_t color) { + // Compose color value as per: + // https://developer.android.com/reference/android/graphics/Color?hl=en + // int color = (A & 0xff) << 24 | (R & 0xff) << 16 | (G & 0xff) << 8 | (B & 0xff); + // The alpha component is used to scale the R,G,B leds brightness, with the ratio to + // MAX_BRIGHTNESS. + brightness = getAlpha(color); + int32_t red = 0; + int32_t green = 0; + int32_t blue = 0; + if (brightness > 0) { + float ratio = MAX_BRIGHTNESS / brightness; + red = ceil(getRed(color) / ratio); + green = ceil(getGreen(color) / ratio); + blue = ceil(getBlue(color) / ratio); + } + setRawLightBrightness(rawRgbIds.at(LightColor::RED), red); + setRawLightBrightness(rawRgbIds.at(LightColor::GREEN), green); + setRawLightBrightness(rawRgbIds.at(LightColor::BLUE), blue); + if (rawGlobalId.has_value()) { + setRawLightBrightness(rawGlobalId.value(), brightness); + } + + return true; +} + +bool PeripheralController::MultiColorLight::setLightColor(int32_t color) { + std::unordered_map<LightColor, int32_t> intensities; + intensities.emplace(LightColor::RED, getRed(color)); + intensities.emplace(LightColor::GREEN, getGreen(color)); + intensities.emplace(LightColor::BLUE, getBlue(color)); + + context.setLightIntensities(rawId, intensities); + setRawLightBrightness(rawId, getAlpha(color)); + return true; +} + +std::optional<int32_t> PeripheralController::MonoLight::getLightColor() { + std::optional<int32_t> brightness = getRawLightBrightness(rawId); + if (!brightness.has_value()) { + return std::nullopt; + } + + return toArgb(brightness.value(), 0 /* red */, 0 /* green */, 0 /* blue */); +} + +std::optional<int32_t> PeripheralController::RgbLight::getLightColor() { + // If the Alpha component is zero, then return color 0. + if (brightness == 0) { + return 0; + } + // Compose color value as per: + // https://developer.android.com/reference/android/graphics/Color?hl=en + // int color = (A & 0xff) << 24 | (R & 0xff) << 16 | (G & 0xff) << 8 | (B & 0xff); + std::optional<int32_t> redOr = getRawLightBrightness(rawRgbIds.at(LightColor::RED)); + std::optional<int32_t> greenOr = getRawLightBrightness(rawRgbIds.at(LightColor::GREEN)); + std::optional<int32_t> blueOr = getRawLightBrightness(rawRgbIds.at(LightColor::BLUE)); + // If we can't get brightness for any of the RGB light + if (!redOr.has_value() || !greenOr.has_value() || !blueOr.has_value()) { + return std::nullopt; + } + + // Compose the ARGB format color. As the R,G,B color led brightness is scaled by Alpha + // value, scale it back to return the nominal color value. + float ratio = MAX_BRIGHTNESS / brightness; + int32_t red = round(redOr.value() * ratio); + int32_t green = round(greenOr.value() * ratio); + int32_t blue = round(blueOr.value() * ratio); + + if (red > MAX_BRIGHTNESS || green > MAX_BRIGHTNESS || blue > MAX_BRIGHTNESS) { + // Previously stored brightness isn't valid for current LED values, so just reset to max + // brightness since an app couldn't have provided these values in the first place. + red = redOr.value(); + green = greenOr.value(); + blue = blueOr.value(); + brightness = MAX_BRIGHTNESS; + } + + return toArgb(brightness, red, green, blue); +} + +std::optional<int32_t> PeripheralController::MultiColorLight::getLightColor() { + auto ret = context.getLightIntensities(rawId); + if (!ret.has_value()) { + return std::nullopt; + } + std::unordered_map<LightColor, int32_t> intensities = ret.value(); + // Get red, green, blue colors + int32_t color = toArgb(0 /* brightness */, intensities.at(LightColor::RED) /* red */, + intensities.at(LightColor::GREEN) /* green */, + intensities.at(LightColor::BLUE) /* blue */); + // Get brightness + std::optional<int32_t> brightness = getRawLightBrightness(rawId); + if (brightness.has_value()) { + return toArgb(brightness.value() /* A */, 0, 0, 0) | color; + } + return std::nullopt; +} + +bool PeripheralController::PlayerIdLight::setLightPlayerId(int32_t playerId) { + if (rawLightIds.find(playerId) == rawLightIds.end()) { + return false; + } + for (const auto& [id, rawId] : rawLightIds) { + if (playerId == id) { + setRawLightBrightness(rawId, MAX_BRIGHTNESS); + } else { + setRawLightBrightness(rawId, 0); + } + } + return true; +} + +std::optional<int32_t> PeripheralController::PlayerIdLight::getLightPlayerId() { + for (const auto& [id, rawId] : rawLightIds) { + std::optional<int32_t> brightness = getRawLightBrightness(rawId); + if (brightness.has_value() && brightness.value() > 0) { + return id; + } + } + return std::nullopt; +} + +void PeripheralController::MonoLight::dump(std::string& dump) { + dump += StringPrintf(INDENT4 "Color: 0x%x\n", getLightColor().value_or(0)); +} + +void PeripheralController::PlayerIdLight::dump(std::string& dump) { + dump += StringPrintf(INDENT4 "PlayerId: %d\n", getLightPlayerId().value_or(-1)); + dump += StringPrintf(INDENT4 "Raw Player ID LEDs:"); + for (const auto& [id, rawId] : rawLightIds) { + dump += StringPrintf("id %d -> %d ", id, rawId); + } + dump += "\n"; +} + +void PeripheralController::RgbLight::dump(std::string& dump) { + dump += StringPrintf(INDENT4 "Color: 0x%x\n", getLightColor().value_or(0)); + dump += StringPrintf(INDENT4 "Raw RGB LEDs: [%d, %d, %d] ", rawRgbIds.at(LightColor::RED), + rawRgbIds.at(LightColor::GREEN), rawRgbIds.at(LightColor::BLUE)); + if (rawGlobalId.has_value()) { + dump += StringPrintf(INDENT4 "Raw Global LED: [%d] ", rawGlobalId.value()); + } + dump += "\n"; +} + +void PeripheralController::MultiColorLight::dump(std::string& dump) { + dump += StringPrintf(INDENT4 "Color: 0x%x\n", getLightColor().value_or(0)); +} + +void PeripheralController::populateDeviceInfo(InputDeviceInfo* deviceInfo) { + // TODO: b/180733860 Remove this after enabling multi-battery + if (!mBatteries.empty()) { + deviceInfo->setHasBattery(true); + } + + for (const auto& [batteryId, battery] : mBatteries) { + InputDeviceBatteryInfo batteryInfo(battery->name, battery->id); + deviceInfo->addBatteryInfo(batteryInfo); + } + + for (const auto& [lightId, light] : mLights) { + // Input device light doesn't support ordinal, always pass 1. + InputDeviceLightInfo lightInfo(light->name, light->id, light->type, 1 /* ordinal */); + deviceInfo->addLightInfo(lightInfo); + } +} + +void PeripheralController::dump(std::string& dump) { + dump += INDENT2 "Input Controller:\n"; + if (!mLights.empty()) { + dump += INDENT3 "Lights:\n"; + for (const auto& [lightId, light] : mLights) { + dump += StringPrintf(INDENT4 "Id: %d", lightId); + dump += StringPrintf(INDENT4 "Name: %s", light->name.c_str()); + dump += StringPrintf(INDENT4 "Type: %s", NamedEnum::string(light->type).c_str()); + light->dump(dump); + } + } + // Dump raw lights + dump += INDENT3 "RawLights:\n"; + dump += INDENT4 "Id:\t Name:\t Flags:\t Max brightness:\t Brightness\n"; + const std::vector<int32_t> rawLightIds = getDeviceContext().getRawLightIds(); + // Map from raw light id to raw light info + std::unordered_map<int32_t, RawLightInfo> rawInfos; + for (const auto& rawId : rawLightIds) { + std::optional<RawLightInfo> rawInfo = getDeviceContext().getRawLightInfo(rawId); + if (!rawInfo.has_value()) { + continue; + } + dump += StringPrintf(INDENT4 "%d", rawId); + dump += StringPrintf(INDENT4 "%s", rawInfo->name.c_str()); + dump += StringPrintf(INDENT4 "%s", rawInfo->flags.string().c_str()); + dump += StringPrintf(INDENT4 "%d", rawInfo->maxBrightness.value_or(MAX_BRIGHTNESS)); + dump += StringPrintf(INDENT4 "%d\n", + getDeviceContext().getLightBrightness(rawId).value_or(-1)); + } + + if (!mBatteries.empty()) { + dump += INDENT3 "Batteries:\n"; + for (const auto& [batteryId, battery] : mBatteries) { + dump += StringPrintf(INDENT4 "Id: %d", batteryId); + dump += StringPrintf(INDENT4 "Name: %s", battery->name.c_str()); + dump += getBatteryCapacity(batteryId).has_value() + ? StringPrintf(INDENT3 "Capacity: %d\n", getBatteryCapacity(batteryId).value()) + : StringPrintf(INDENT3 "Capacity: Unknown"); + + std::string status; + switch (getBatteryStatus(batteryId).value_or(BATTERY_STATUS_UNKNOWN)) { + case BATTERY_STATUS_CHARGING: + status = "Charging"; + break; + case BATTERY_STATUS_DISCHARGING: + status = "Discharging"; + break; + case BATTERY_STATUS_NOT_CHARGING: + status = "Not charging"; + break; + case BATTERY_STATUS_FULL: + status = "Full"; + break; + default: + status = "Unknown"; + } + dump += StringPrintf(INDENT3 "Status: %s\n", status.c_str()); + } + } +} + +void PeripheralController::configureBattries() { + // Check raw batteries + const std::vector<int32_t> rawBatteryIds = getDeviceContext().getRawBatteryIds(); + + for (const auto& rawId : rawBatteryIds) { + std::optional<RawBatteryInfo> rawInfo = getDeviceContext().getRawBatteryInfo(rawId); + if (!rawInfo.has_value()) { + continue; + } + std::unique_ptr<Battery> battery = + std::make_unique<Battery>(getDeviceContext(), rawInfo->name, rawInfo->id); + mBatteries.insert_or_assign(rawId, std::move(battery)); + } +} + +void PeripheralController::configureLights() { + bool hasRedLed = false; + bool hasGreenLed = false; + bool hasBlueLed = false; + std::optional<int32_t> rawGlobalId = std::nullopt; + // Player ID light common name string + std::string playerIdName; + // Raw RGB color to raw light ID + std::unordered_map<LightColor, int32_t /* rawLightId */> rawRgbIds; + // Map from player Id to raw light Id + std::unordered_map<int32_t, int32_t> playerIdLightIds; + + // Check raw lights + const std::vector<int32_t> rawLightIds = getDeviceContext().getRawLightIds(); + // Map from raw light id to raw light info + std::unordered_map<int32_t, RawLightInfo> rawInfos; + for (const auto& rawId : rawLightIds) { + std::optional<RawLightInfo> rawInfo = getDeviceContext().getRawLightInfo(rawId); + if (!rawInfo.has_value()) { + continue; + } + rawInfos.insert_or_assign(rawId, rawInfo.value()); + // Check if this is a group LEDs for player ID + std::regex lightPattern("([a-z]+)([0-9]+)"); + std::smatch results; + if (std::regex_match(rawInfo->name, results, lightPattern)) { + std::string commonName = results[1].str(); + int32_t playerId = std::stoi(results[2]); + if (playerIdLightIds.empty()) { + playerIdName = commonName; + playerIdLightIds.insert_or_assign(playerId, rawId); + } else { + // Make sure the player ID leds have common string name + if (playerIdName.compare(commonName) == 0 && + playerIdLightIds.find(playerId) == playerIdLightIds.end()) { + playerIdLightIds.insert_or_assign(playerId, rawId); + } + } + } + // Check if this is an LED of RGB light + if (rawInfo->flags.test(InputLightClass::RED)) { + hasRedLed = true; + rawRgbIds.emplace(LightColor::RED, rawId); + } + if (rawInfo->flags.test(InputLightClass::GREEN)) { + hasGreenLed = true; + rawRgbIds.emplace(LightColor::GREEN, rawId); + } + if (rawInfo->flags.test(InputLightClass::BLUE)) { + hasBlueLed = true; + rawRgbIds.emplace(LightColor::BLUE, rawId); + } + if (rawInfo->flags.test(InputLightClass::GLOBAL)) { + rawGlobalId = rawId; + } + if (DEBUG_LIGHT_DETAILS) { + ALOGD("Light rawId %d name %s max %d flags %s \n", rawInfo->id, rawInfo->name.c_str(), + rawInfo->maxBrightness.value_or(MAX_BRIGHTNESS), rawInfo->flags.string().c_str()); + } + } + + // Construct a player ID light + if (playerIdLightIds.size() > 1) { + std::unique_ptr<Light> light = + std::make_unique<PlayerIdLight>(getDeviceContext(), playerIdName, ++mNextId, + playerIdLightIds); + mLights.insert_or_assign(light->id, std::move(light)); + // Remove these raw lights from raw light info as they've been used to compose a + // Player ID light, so we do not expose these raw lights as mono lights. + for (const auto& [playerId, rawId] : playerIdLightIds) { + rawInfos.erase(rawId); + } + } + // Construct a RGB light for composed RGB light + if (hasRedLed && hasGreenLed && hasBlueLed) { + if (DEBUG_LIGHT_DETAILS) { + ALOGD("Rgb light ids [%d, %d, %d] \n", rawRgbIds.at(LightColor::RED), + rawRgbIds.at(LightColor::GREEN), rawRgbIds.at(LightColor::BLUE)); + } + std::unique_ptr<Light> light = + std::make_unique<RgbLight>(getDeviceContext(), ++mNextId, rawRgbIds, rawGlobalId); + mLights.insert_or_assign(light->id, std::move(light)); + // Remove from raw light info as they've been composed a RBG light. + rawInfos.erase(rawRgbIds.at(LightColor::RED)); + rawInfos.erase(rawRgbIds.at(LightColor::GREEN)); + rawInfos.erase(rawRgbIds.at(LightColor::BLUE)); + if (rawGlobalId.has_value()) { + rawInfos.erase(rawGlobalId.value()); + } + } + + // Check the rest of raw light infos + for (const auto& [rawId, rawInfo] : rawInfos) { + // If the node is multi-color led, construct a MULTI_COLOR light + if (rawInfo.flags.test(InputLightClass::MULTI_INDEX) && + rawInfo.flags.test(InputLightClass::MULTI_INTENSITY)) { + if (DEBUG_LIGHT_DETAILS) { + ALOGD("Multicolor light Id %d name %s \n", rawInfo.id, rawInfo.name.c_str()); + } + std::unique_ptr<Light> light = + std::make_unique<MultiColorLight>(getDeviceContext(), rawInfo.name, ++mNextId, + rawInfo.id); + mLights.insert_or_assign(light->id, std::move(light)); + continue; + } + // Construct a Mono LED light + if (DEBUG_LIGHT_DETAILS) { + ALOGD("Mono light Id %d name %s \n", rawInfo.id, rawInfo.name.c_str()); + } + std::unique_ptr<Light> light = std::make_unique<MonoLight>(getDeviceContext(), rawInfo.name, + ++mNextId, rawInfo.id); + + mLights.insert_or_assign(light->id, std::move(light)); + } +} + +std::optional<int32_t> PeripheralController::getBatteryCapacity(int batteryId) { + return getDeviceContext().getBatteryCapacity(batteryId); +} + +std::optional<int32_t> PeripheralController::getBatteryStatus(int batteryId) { + return getDeviceContext().getBatteryStatus(batteryId); +} + +bool PeripheralController::setLightColor(int32_t lightId, int32_t color) { + auto it = mLights.find(lightId); + if (it == mLights.end()) { + return false; + } + auto& light = it->second; + if (DEBUG_LIGHT_DETAILS) { + ALOGD("setLightColor lightId %d type %s color 0x%x", lightId, + NamedEnum::string(light->type).c_str(), color); + } + return light->setLightColor(color); +} + +std::optional<int32_t> PeripheralController::getLightColor(int32_t lightId) { + auto it = mLights.find(lightId); + if (it == mLights.end()) { + return std::nullopt; + } + auto& light = it->second; + std::optional<int32_t> color = light->getLightColor(); + if (DEBUG_LIGHT_DETAILS) { + ALOGD("getLightColor lightId %d type %s color 0x%x", lightId, + NamedEnum::string(light->type).c_str(), color.value_or(0)); + } + return color; +} + +bool PeripheralController::setLightPlayerId(int32_t lightId, int32_t playerId) { + auto it = mLights.find(lightId); + if (it == mLights.end()) { + return false; + } + auto& light = it->second; + return light->setLightPlayerId(playerId); +} + +std::optional<int32_t> PeripheralController::getLightPlayerId(int32_t lightId) { + auto it = mLights.find(lightId); + if (it == mLights.end()) { + return std::nullopt; + } + auto& light = it->second; + return light->getLightPlayerId(); +} + +} // namespace android |