Generate key events for stylus button presses
Ensure all devices that report stylus buttons are categorized as a
keyboard. This means that KeyboardInputMapper will get a chance to
handle the events from these devices.
Then, we allow KeyboardInputMapper to process stylus button events.
Since stylus button (e.g. BTN_STYLUS) are mapped to Android key codes in
the Generic.kl file, KeyEvents with the appropriate key codes will be
generated for these button presses.
Bug: 246394583
Test: atest inputflinger_tests
Change-Id: I92d4a60f23f98f9d239edf1f4dd400e6e528e350
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index f333306..9d14a86 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -2391,18 +2391,11 @@
ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyConfigurationChangedWasCalled());
ASSERT_EQ(initialNumDevices + 1, mFakePolicy->getInputDevices().size());
- // Find the test device by its name.
- const std::vector<InputDeviceInfo> inputDevices = mFakePolicy->getInputDevices();
- const auto& it =
- std::find_if(inputDevices.begin(), inputDevices.end(),
- [&keyboard](const InputDeviceInfo& info) {
- return info.getIdentifier().name == keyboard->getName();
- });
-
- ASSERT_NE(it, inputDevices.end());
- ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, it->getKeyboardType());
- ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, it->getSources());
- ASSERT_EQ(0U, it->getMotionRanges().size());
+ const auto device = findDeviceByName(keyboard->getName());
+ ASSERT_TRUE(device.has_value());
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, device->getKeyboardType());
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, device->getSources());
+ ASSERT_EQ(0U, device->getMotionRanges().size());
keyboard.reset();
ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
@@ -2437,6 +2430,41 @@
ASSERT_LE(keyArgs.eventTime, keyArgs.readTime);
}
+TEST_F(InputReaderIntegrationTest, ExternalStylusesButtons) {
+ std::unique_ptr<UinputExternalStylus> stylus = createUinputDevice<UinputExternalStylus>();
+ ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertInputDevicesChanged());
+
+ const auto device = findDeviceByName(stylus->getName());
+ ASSERT_TRUE(device.has_value());
+
+ // An external stylus with buttons should be recognized as a keyboard.
+ ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, device->getSources())
+ << "Unexpected source " << inputEventSourceToString(device->getSources()).c_str();
+ ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, device->getKeyboardType());
+
+ const auto DOWN =
+ AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD));
+ const auto UP = AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD));
+
+ stylus->pressAndReleaseKey(BTN_STYLUS);
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+
+ stylus->pressAndReleaseKey(BTN_STYLUS2);
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_SECONDARY))));
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_SECONDARY))));
+
+ stylus->pressAndReleaseKey(BTN_STYLUS3);
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(DOWN, WithKeyCode(AKEYCODE_STYLUS_BUTTON_TERTIARY))));
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(UP, WithKeyCode(AKEYCODE_STYLUS_BUTTON_TERTIARY))));
+}
+
/**
* The Steam controller sends BTN_GEAR_DOWN and BTN_GEAR_UP for the two "paddle" buttons
* on the back. In this test, we make sure that BTN_GEAR_DOWN / BTN_WHEEL and BTN_GEAR_UP
@@ -2772,6 +2800,20 @@
ASSERT_NO_FATAL_FAILURE(mFakePolicy->assertStylusGestureNotified(mDeviceInfo.getId()));
}
+TEST_F(TouchIntegrationTest, StylusButtonsGenerateKeyEvents) {
+ mDevice->sendKey(BTN_STYLUS, 1);
+ mDevice->sendSync();
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(WithKeyAction(AKEY_EVENT_ACTION_DOWN), WithSource(AINPUT_SOURCE_KEYBOARD),
+ WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+
+ mDevice->sendKey(BTN_STYLUS, 0);
+ mDevice->sendSync();
+ ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasCalled(
+ AllOf(WithKeyAction(AKEY_EVENT_ACTION_UP), WithSource(AINPUT_SOURCE_KEYBOARD),
+ WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY))));
+}
+
// --- InputDeviceTest ---
class InputDeviceTest : public testing::Test {
protected: