Gets keyboard layout info from user space when available.
The layout info consists of a BCP 47 conformant language tag and a
layout type such as "qwerty" or "azerty". They will be used to
initialize the input device.
This is currently used by uinput virtual keyboard to pass in layout
information.
Bug: 237537306
Test: atest inputflinger_tests
Change-Id: Icfc30f1afb0f88dd704d1d598d62a300a032b0f5
diff --git a/services/inputflinger/reader/InputDevice.cpp b/services/inputflinger/reader/InputDevice.cpp
index 6dfe5f5..13f40ee 100644
--- a/services/inputflinger/reader/InputDevice.cpp
+++ b/services/inputflinger/reader/InputDevice.cpp
@@ -56,16 +56,6 @@
InputDevice::~InputDevice() {}
-template <typename K, typename V>
-std::optional<V> getValueByKey(const std::unordered_map<K, V>& map, K key) {
- auto it = map.find(key);
- std::optional<V> value = std::nullopt;
- if (it != map.end()) {
- value = it->second;
- }
- return value;
-}
-
bool InputDevice::isEnabled() {
if (!hasEventHubDevices()) {
return false;
diff --git a/services/inputflinger/reader/Macros.h b/services/inputflinger/reader/Macros.h
index e107d88..d2a7ced 100644
--- a/services/inputflinger/reader/Macros.h
+++ b/services/inputflinger/reader/Macros.h
@@ -22,6 +22,8 @@
#include <log/log.h>
#include <log/log_event_list.h>
+#include <unordered_map>
+
namespace android {
/**
* Log debug messages for each raw event received from the EventHub.
@@ -113,4 +115,14 @@
return (sources & sourceMask & ~AINPUT_SOURCE_CLASS_MASK) != 0;
}
+template <typename K, typename V>
+static inline std::optional<V> getValueByKey(const std::unordered_map<K, V>& map, K key) {
+ auto it = map.find(key);
+ std::optional<V> value = std::nullopt;
+ if (it != map.end()) {
+ value = it->second;
+ }
+ return value;
+}
+
} // namespace android
diff --git a/services/inputflinger/reader/include/InputDevice.h b/services/inputflinger/reader/include/InputDevice.h
index af59fe2..6179f05 100644
--- a/services/inputflinger/reader/include/InputDevice.h
+++ b/services/inputflinger/reader/include/InputDevice.h
@@ -54,6 +54,7 @@
inline std::optional<std::string> getBluetoothAddress() const {
return mIdentifier.bluetoothAddress;
}
+ inline const std::string getLocation() const { return mIdentifier.location; }
inline ftl::Flags<InputDeviceClass> getClasses() const { return mClasses; }
inline uint32_t getSources() const { return mSources; }
inline bool hasEventHubDevices() const { return !mDevices.empty(); }
@@ -405,6 +406,7 @@
inline const std::string getName() { return mDevice.getName(); }
inline const std::string getDescriptor() { return mDevice.getDescriptor(); }
+ inline const std::string getLocation() { return mDevice.getLocation(); }
inline bool isExternal() { return mDevice.isExternal(); }
inline std::optional<uint8_t> getAssociatedDisplayPort() const {
return mDevice.getAssociatedDisplayPort();
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
index 44f0dfe..6f01449 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.cpp
@@ -120,6 +120,10 @@
info->setKeyboardType(mKeyboardType);
info->setKeyCharacterMap(getDeviceContext().getKeyCharacterMap());
+
+ if (mKeyboardLayoutInfo) {
+ info->setKeyboardLayoutInfo(*mKeyboardLayoutInfo);
+ }
}
void KeyboardInputMapper::dump(std::string& dump) {
@@ -129,6 +133,12 @@
dump += StringPrintf(INDENT3 "Orientation: %d\n", getOrientation());
dump += StringPrintf(INDENT3 "KeyDowns: %zu keys currently down\n", mKeyDowns.size());
dump += StringPrintf(INDENT3 "MetaState: 0x%0x\n", mMetaState);
+ dump += INDENT3 "KeyboardLayoutInfo: ";
+ if (mKeyboardLayoutInfo) {
+ dump += mKeyboardLayoutInfo->languageTag + ", " + mKeyboardLayoutInfo->layoutType + "\n";
+ } else {
+ dump += "<not set>\n";
+ }
}
std::optional<DisplayViewport> KeyboardInputMapper::findViewport(
@@ -158,6 +168,12 @@
if (!changes || (changes & InputReaderConfiguration::CHANGE_DISPLAY_INFO)) {
mViewport = findViewport(config);
}
+
+ if (!changes || (changes & InputReaderConfiguration::CHANGE_KEYBOARD_LAYOUT_ASSOCIATION)) {
+ mKeyboardLayoutInfo =
+ getValueByKey(config->keyboardLayoutAssociations, getDeviceContext().getLocation());
+ }
+
return out;
}
diff --git a/services/inputflinger/reader/mapper/KeyboardInputMapper.h b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
index 0526fd8..da5b8ee 100644
--- a/services/inputflinger/reader/mapper/KeyboardInputMapper.h
+++ b/services/inputflinger/reader/mapper/KeyboardInputMapper.h
@@ -58,6 +58,7 @@
uint32_t mSource{};
int32_t mKeyboardType{};
+ std::optional<KeyboardLayoutInfo> mKeyboardLayoutInfo;
std::vector<KeyDown> mKeyDowns{}; // keys that are down
int32_t mMetaState{};