Add flag to mark key usage code as a fallback mapping
We don't yet have a way to determine if a device can actually report a
usage code. Adding a flag to mark usage code as fallback only mapping.
Bug: 297094448
Test: atest inputflinger_tests
Change-Id: I137113d0dc9a1c8abf523b96942486be176d0240
diff --git a/libs/input/tests/InputDevice_test.cpp b/libs/input/tests/InputDevice_test.cpp
index a0ec6ad..fe5490c 100644
--- a/libs/input/tests/InputDevice_test.cpp
+++ b/libs/input/tests/InputDevice_test.cpp
@@ -167,6 +167,41 @@
ASSERT_FALSE(ret.ok()) << "Should not be able to load KeyLayout at " << klPath;
}
+TEST(InputDeviceKeyLayoutTest, HidUsageCodesFallbackMapping) {
+ std::string klPath = base::GetExecutableDirectory() + "/data/hid_fallback_mapping.kl";
+ base::Result<std::shared_ptr<KeyLayoutMap>> ret = KeyLayoutMap::load(klPath);
+ ASSERT_TRUE(ret.ok()) << "Unable to load KeyLayout at " << klPath;
+ const std::shared_ptr<KeyLayoutMap>& keyLayoutMap = *ret;
+
+ static constexpr std::array<int32_t, 5> hidUsageCodesWithoutFallback = {0x0c0067, 0x0c0070,
+ 0x0c006F, 0x0c0079,
+ 0x0c007A};
+ for (int32_t hidUsageCode : hidUsageCodesWithoutFallback) {
+ int32_t outKeyCode;
+ uint32_t outFlags;
+ keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);
+ ASSERT_FALSE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)
+ << "HID usage code should not be marked as fallback";
+ std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);
+ ASSERT_NE(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())
+ << "Fallback usage code should be mapped to key";
+ }
+
+ static constexpr std::array<int32_t, 6> hidUsageCodesWithFallback = {0x0c007C, 0x0c0173,
+ 0x0c019C, 0x0c01A2,
+ 0x0d0044, 0x0d005a};
+ for (int32_t hidUsageCode : hidUsageCodesWithFallback) {
+ int32_t outKeyCode;
+ uint32_t outFlags;
+ keyLayoutMap->mapKey(0, hidUsageCode, &outKeyCode, &outFlags);
+ ASSERT_TRUE(outFlags & POLICY_FLAG_FALLBACK_USAGE_MAPPING)
+ << "HID usage code should be marked as fallback";
+ std::vector<int32_t> usageCodes = keyLayoutMap->findUsageCodesForKey(outKeyCode);
+ ASSERT_EQ(std::find(usageCodes.begin(), usageCodes.end(), hidUsageCode), usageCodes.end())
+ << "Fallback usage code should not be mapped to key";
+ }
+}
+
TEST(InputDeviceKeyLayoutTest, DoesNotLoadWhenRequiredKernelConfigIsMissing) {
#if !defined(__ANDROID__)
GTEST_SKIP() << "Can't check kernel configs on host";