Read IDC file to check custom keyboard backlight levels
Test: atest inputflinger_tests
Bug: 280797494
Change-Id: Ia5d862c1fefceeb2a7fc09a86336198543b13b29
diff --git a/services/inputflinger/reader/controller/PeripheralController.cpp b/services/inputflinger/reader/controller/PeripheralController.cpp
index a380b5e..eabf591 100644
--- a/services/inputflinger/reader/controller/PeripheralController.cpp
+++ b/services/inputflinger/reader/controller/PeripheralController.cpp
@@ -16,8 +16,10 @@
#include <locale>
#include <regex>
-#include <set>
+#include <sstream>
+#include <string>
+#include <android/sysprop/InputProperties.sysprop.h>
#include <ftl/enum.h>
#include "../Macros.h"
@@ -45,6 +47,10 @@
return (brightness & 0xff) << 24 | (red & 0xff) << 16 | (green & 0xff) << 8 | (blue & 0xff);
}
+static inline bool isKeyboardBacklightCustomLevelsEnabled() {
+ return sysprop::InputProperties::enable_keyboard_backlight_custom_levels().value_or(true);
+}
+
/**
* 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
@@ -272,11 +278,43 @@
for (const auto& [lightId, light] : mLights) {
// Input device light doesn't support ordinal, always pass 1.
InputDeviceLightInfo lightInfo(light->name, light->id, light->type, light->capabilityFlags,
- /*ordinal=*/1);
+ /*ordinal=*/1, getPreferredBrightnessLevels(light.get()));
deviceInfo->addLightInfo(lightInfo);
}
}
+// TODO(b/281822656): Move to constructor and add as a parameter to avoid parsing repeatedly.
+// Need to change lifecycle of Peripheral controller so that Input device configuration map is
+// available at construction time before moving this logic to constructor.
+std::set<BrightnessLevel> PeripheralController::getPreferredBrightnessLevels(
+ const Light* light) const {
+ std::set<BrightnessLevel> levels;
+ if (!isKeyboardBacklightCustomLevelsEnabled() ||
+ light->type != InputDeviceLightType::KEYBOARD_BACKLIGHT) {
+ return levels;
+ }
+ std::optional<std::string> keyboardBacklightLevels =
+ mDeviceContext.getConfiguration().getString("keyboard.backlight.brightnessLevels");
+ if (!keyboardBacklightLevels) {
+ return levels;
+ }
+ std::stringstream ss(*keyboardBacklightLevels);
+ while (ss.good()) {
+ std::string substr;
+ std::getline(ss, substr, ',');
+ char* end;
+ int32_t value = static_cast<int32_t>(strtol(substr.c_str(), &end, 10));
+ if (*end != '\0' || value < 0 || value > 255) {
+ ALOGE("Error parsing keyboard backlight brightness levels, provided levels = %s",
+ keyboardBacklightLevels->c_str());
+ levels.clear();
+ break;
+ }
+ levels.insert(BrightnessLevel(value));
+ }
+ return levels;
+}
+
void PeripheralController::dump(std::string& dump) {
dump += INDENT2 "Input Controller:\n";
if (!mLights.empty()) {
@@ -550,5 +588,4 @@
int32_t PeripheralController::getEventHubId() const {
return getDeviceContext().getEventHubId();
}
-
} // namespace android