input: use optionals for PropertyMap getters
Using optionals rather than returning a boolean forces the caller to
check whether the property is present, enforced by the compiler, and
also allows a more succinct syntax in some cases.
Bug: 245989146
Test: atest inputflinger_test
Test: connect Apple Magic Trackpad 2, check that gesture properties are
set correctly in dumpsys input
Change-Id: Ia0fde1f67269e6e7149f297def626e572fd7790f
diff --git a/services/inputflinger/reader/mapper/TouchInputMapper.cpp b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
index 96c163d..ac7bb89 100644
--- a/services/inputflinger/reader/mapper/TouchInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/TouchInputMapper.cpp
@@ -366,15 +366,15 @@
? Parameters::GestureMode::SINGLE_TOUCH
: Parameters::GestureMode::MULTI_TOUCH;
- std::string gestureModeString;
- if (getDeviceContext().getConfiguration().tryGetProperty("touch.gestureMode",
- gestureModeString)) {
- if (gestureModeString == "single-touch") {
+ const PropertyMap& config = getDeviceContext().getConfiguration();
+ std::optional<std::string> gestureModeString = config.getString("touch.gestureMode");
+ if (gestureModeString.has_value()) {
+ if (*gestureModeString == "single-touch") {
mParameters.gestureMode = Parameters::GestureMode::SINGLE_TOUCH;
- } else if (gestureModeString == "multi-touch") {
+ } else if (*gestureModeString == "multi-touch") {
mParameters.gestureMode = Parameters::GestureMode::MULTI_TOUCH;
- } else if (gestureModeString != "default") {
- ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.c_str());
+ } else if (*gestureModeString != "default") {
+ ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString->c_str());
}
}
@@ -382,24 +382,23 @@
mParameters.hasButtonUnderPad = getDeviceContext().hasInputProperty(INPUT_PROP_BUTTONPAD);
- mParameters.orientationAware = mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN;
- getDeviceContext().getConfiguration().tryGetProperty("touch.orientationAware",
- mParameters.orientationAware);
+ mParameters.orientationAware =
+ config.getBool("touch.orientationAware")
+ .value_or(mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN);
mParameters.orientation = ui::ROTATION_0;
- std::string orientationString;
- if (getDeviceContext().getConfiguration().tryGetProperty("touch.orientation",
- orientationString)) {
+ std::optional<std::string> orientationString = config.getString("touch.orientation");
+ if (orientationString.has_value()) {
if (mParameters.deviceType != Parameters::DeviceType::TOUCH_SCREEN) {
ALOGW("The configuration 'touch.orientation' is only supported for touchscreens.");
- } else if (orientationString == "ORIENTATION_90") {
+ } else if (*orientationString == "ORIENTATION_90") {
mParameters.orientation = ui::ROTATION_90;
- } else if (orientationString == "ORIENTATION_180") {
+ } else if (*orientationString == "ORIENTATION_180") {
mParameters.orientation = ui::ROTATION_180;
- } else if (orientationString == "ORIENTATION_270") {
+ } else if (*orientationString == "ORIENTATION_270") {
mParameters.orientation = ui::ROTATION_270;
- } else if (orientationString != "ORIENTATION_0") {
- ALOGW("Invalid value for touch.orientation: '%s'", orientationString.c_str());
+ } else if (*orientationString != "ORIENTATION_0") {
+ ALOGW("Invalid value for touch.orientation: '%s'", orientationString->c_str());
}
}
@@ -413,10 +412,7 @@
mParameters.hasAssociatedDisplay = true;
if (mParameters.deviceType == Parameters::DeviceType::TOUCH_SCREEN) {
mParameters.associatedDisplayIsExternal = getDeviceContext().isExternal();
- std::string uniqueDisplayId;
- getDeviceContext().getConfiguration().tryGetProperty("touch.displayId",
- uniqueDisplayId);
- mParameters.uniqueDisplayId = uniqueDisplayId.c_str();
+ mParameters.uniqueDisplayId = config.getString("touch.displayId").value_or("").c_str();
}
}
if (getDeviceContext().getAssociatedDisplayPort()) {
@@ -426,20 +422,19 @@
// Initial downs on external touch devices should wake the device.
// Normally we don't do this for internal touch screens to prevent them from waking
// up in your pocket but you can enable it using the input device configuration.
- mParameters.wake = getDeviceContext().isExternal();
- getDeviceContext().getConfiguration().tryGetProperty("touch.wake", mParameters.wake);
+ mParameters.wake = config.getBool("touch.wake").value_or(getDeviceContext().isExternal());
- InputDeviceUsiVersion usiVersion;
- if (getDeviceContext().getConfiguration().tryGetProperty("touch.usiVersionMajor",
- usiVersion.majorVersion) &&
- getDeviceContext().getConfiguration().tryGetProperty("touch.usiVersionMinor",
- usiVersion.minorVersion)) {
- mParameters.usiVersion = usiVersion;
+ std::optional<int32_t> usiVersionMajor = config.getInt("touch.usiVersionMajor");
+ std::optional<int32_t> usiVersionMinor = config.getInt("touch.usiVersionMinor");
+ if (usiVersionMajor.has_value() && usiVersionMinor.has_value()) {
+ mParameters.usiVersion = {
+ .majorVersion = *usiVersionMajor,
+ .minorVersion = *usiVersionMinor,
+ };
}
- mParameters.enableForInactiveViewport = false;
- getDeviceContext().getConfiguration().tryGetProperty("touch.enableForInactiveViewport",
- mParameters.enableForInactiveViewport);
+ mParameters.enableForInactiveViewport =
+ config.getBool("touch.enableForInactiveViewport").value_or(false);
}
void TouchInputMapper::configureDeviceType() {
@@ -457,7 +452,8 @@
// Type association takes precedence over the device type found in the idc file.
std::string deviceTypeString = getDeviceContext().getDeviceTypeAssociation().value_or("");
if (deviceTypeString.empty()) {
- getDeviceContext().getConfiguration().tryGetProperty("touch.deviceType", deviceTypeString);
+ deviceTypeString =
+ getDeviceContext().getConfiguration().getString("touch.deviceType").value_or("");
}
if (deviceTypeString == "touchScreen") {
mParameters.deviceType = Parameters::DeviceType::TOUCH_SCREEN;
@@ -1160,92 +1156,79 @@
// Size
out.sizeCalibration = Calibration::SizeCalibration::DEFAULT;
- std::string sizeCalibrationString;
- if (in.tryGetProperty("touch.size.calibration", sizeCalibrationString)) {
- if (sizeCalibrationString == "none") {
+ std::optional<std::string> sizeCalibrationString = in.getString("touch.size.calibration");
+ if (sizeCalibrationString.has_value()) {
+ if (*sizeCalibrationString == "none") {
out.sizeCalibration = Calibration::SizeCalibration::NONE;
- } else if (sizeCalibrationString == "geometric") {
+ } else if (*sizeCalibrationString == "geometric") {
out.sizeCalibration = Calibration::SizeCalibration::GEOMETRIC;
- } else if (sizeCalibrationString == "diameter") {
+ } else if (*sizeCalibrationString == "diameter") {
out.sizeCalibration = Calibration::SizeCalibration::DIAMETER;
- } else if (sizeCalibrationString == "box") {
+ } else if (*sizeCalibrationString == "box") {
out.sizeCalibration = Calibration::SizeCalibration::BOX;
- } else if (sizeCalibrationString == "area") {
+ } else if (*sizeCalibrationString == "area") {
out.sizeCalibration = Calibration::SizeCalibration::AREA;
- } else if (sizeCalibrationString != "default") {
- ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.c_str());
+ } else if (*sizeCalibrationString != "default") {
+ ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString->c_str());
}
}
- float sizeScale;
-
- if (in.tryGetProperty("touch.size.scale", sizeScale)) {
- out.sizeScale = sizeScale;
- }
- float sizeBias;
- if (in.tryGetProperty("touch.size.bias", sizeBias)) {
- out.sizeBias = sizeBias;
- }
- bool sizeIsSummed;
- if (in.tryGetProperty("touch.size.isSummed", sizeIsSummed)) {
- out.sizeIsSummed = sizeIsSummed;
- }
+ out.sizeScale = in.getFloat("touch.size.scale");
+ out.sizeBias = in.getFloat("touch.size.bias");
+ out.sizeIsSummed = in.getBool("touch.size.isSummed");
// Pressure
out.pressureCalibration = Calibration::PressureCalibration::DEFAULT;
- std::string pressureCalibrationString;
- if (in.tryGetProperty("touch.pressure.calibration", pressureCalibrationString)) {
- if (pressureCalibrationString == "none") {
+ std::optional<std::string> pressureCalibrationString =
+ in.getString("touch.pressure.calibration");
+ if (pressureCalibrationString.has_value()) {
+ if (*pressureCalibrationString == "none") {
out.pressureCalibration = Calibration::PressureCalibration::NONE;
- } else if (pressureCalibrationString == "physical") {
+ } else if (*pressureCalibrationString == "physical") {
out.pressureCalibration = Calibration::PressureCalibration::PHYSICAL;
- } else if (pressureCalibrationString == "amplitude") {
+ } else if (*pressureCalibrationString == "amplitude") {
out.pressureCalibration = Calibration::PressureCalibration::AMPLITUDE;
- } else if (pressureCalibrationString != "default") {
+ } else if (*pressureCalibrationString != "default") {
ALOGW("Invalid value for touch.pressure.calibration: '%s'",
- pressureCalibrationString.c_str());
+ pressureCalibrationString->c_str());
}
}
- float pressureScale;
- if (in.tryGetProperty("touch.pressure.scale", pressureScale)) {
- out.pressureScale = pressureScale;
- }
+ out.pressureScale = in.getFloat("touch.pressure.scale");
// Orientation
out.orientationCalibration = Calibration::OrientationCalibration::DEFAULT;
- std::string orientationCalibrationString;
- if (in.tryGetProperty("touch.orientation.calibration", orientationCalibrationString)) {
- if (orientationCalibrationString == "none") {
+ std::optional<std::string> orientationCalibrationString =
+ in.getString("touch.orientation.calibration");
+ if (orientationCalibrationString.has_value()) {
+ if (*orientationCalibrationString == "none") {
out.orientationCalibration = Calibration::OrientationCalibration::NONE;
- } else if (orientationCalibrationString == "interpolated") {
+ } else if (*orientationCalibrationString == "interpolated") {
out.orientationCalibration = Calibration::OrientationCalibration::INTERPOLATED;
- } else if (orientationCalibrationString == "vector") {
+ } else if (*orientationCalibrationString == "vector") {
out.orientationCalibration = Calibration::OrientationCalibration::VECTOR;
- } else if (orientationCalibrationString != "default") {
+ } else if (*orientationCalibrationString != "default") {
ALOGW("Invalid value for touch.orientation.calibration: '%s'",
- orientationCalibrationString.c_str());
+ orientationCalibrationString->c_str());
}
}
// Distance
out.distanceCalibration = Calibration::DistanceCalibration::DEFAULT;
- std::string distanceCalibrationString;
- if (in.tryGetProperty("touch.distance.calibration", distanceCalibrationString)) {
- if (distanceCalibrationString == "none") {
+ std::optional<std::string> distanceCalibrationString =
+ in.getString("touch.distance.calibration");
+ if (distanceCalibrationString.has_value()) {
+ if (*distanceCalibrationString == "none") {
out.distanceCalibration = Calibration::DistanceCalibration::NONE;
- } else if (distanceCalibrationString == "scaled") {
+ } else if (*distanceCalibrationString == "scaled") {
out.distanceCalibration = Calibration::DistanceCalibration::SCALED;
- } else if (distanceCalibrationString != "default") {
+ } else if (*distanceCalibrationString != "default") {
ALOGW("Invalid value for touch.distance.calibration: '%s'",
- distanceCalibrationString.c_str());
+ distanceCalibrationString->c_str());
}
}
- float distanceScale;
- if (in.tryGetProperty("touch.distance.scale", distanceScale)) {
- out.distanceScale = distanceScale;
- }
+ out.distanceScale = in.getFloat("touch.distance.scale");
}
void TouchInputMapper::resolveCalibration() {