Fix keyboard vibration on unsupported device

Add the fixed keyboard amplitude check to ensure
we only depend on keyboard vibration settings for
supported devices.

Bug: 326027376
Test: atest VibrationSettingsTest
Change-Id: I2c6f6272abe7d39f02647456e3adfffd00bac660

3 files changed, 40 insertions, 3 deletions

diff --git a/core/java/android/os/vibrator/VibrationConfig.java b/core/java/android/os/vibrator/VibrationConfig.java
index a14a2c7e54ca..555a1204c8a7 100644
--- a/core/java/android/os/vibrator/VibrationConfig.java
+++ b/core/java/android/os/vibrator/VibrationConfig.java
@@ -70,6 +70,8 @@ public class VibrationConfig {
 
     private final boolean mDefaultKeyboardVibrationEnabled;
 
+    private final boolean mHasFixedKeyboardAmplitude;
+
     /** @hide */
     public VibrationConfig(@Nullable Resources resources) {
         mHapticChannelMaxVibrationAmplitude = loadFloat(resources,
@@ -87,6 +89,8 @@ public class VibrationConfig {
                 com.android.internal.R.bool.config_ignoreVibrationsOnWirelessCharger, false);
         mDefaultKeyboardVibrationEnabled = loadBoolean(resources,
                 com.android.internal.R.bool.config_defaultKeyboardVibrationEnabled, true);
+        mHasFixedKeyboardAmplitude = loadFloat(resources,
+                com.android.internal.R.dimen.config_keyboardHapticFeedbackFixedAmplitude, -1) > 0;
 
         mDefaultAlarmVibrationIntensity = loadDefaultIntensity(resources,
                 com.android.internal.R.integer.config_defaultAlarmVibrationIntensity);
@@ -197,6 +201,14 @@ public class VibrationConfig {
         return mDefaultKeyboardVibrationEnabled;
     }
 
+    /**
+     * Whether the device has a fixed amplitude for keyboard.
+     * @hide
+     */
+    public boolean hasFixedKeyboardAmplitude() {
+        return mHasFixedKeyboardAmplitude;
+    }
+
     /** Get the default vibration intensity for given usage. */
     @VibrationIntensity
     public int getDefaultVibrationIntensity(@VibrationAttributes.Usage int usage) {
diff --git a/services/core/java/com/android/server/vibrator/VibrationSettings.java b/services/core/java/com/android/server/vibrator/VibrationSettings.java
index 5b77433fa6d9..2fc183d9113f 100644
--- a/services/core/java/com/android/server/vibrator/VibrationSettings.java
+++ b/services/core/java/com/android/server/vibrator/VibrationSettings.java
@@ -532,7 +532,7 @@ final class VibrationSettings {
             return false;
         }
 
-        if (Flags.keyboardCategoryEnabled()) {
+        if (Flags.keyboardCategoryEnabled() && mVibrationConfig.hasFixedKeyboardAmplitude()) {
             int category = callerInfo.attrs.getCategory();
             if (usage == USAGE_TOUCH && category == CATEGORY_KEYBOARD) {
                 // Keyboard touch has a different user setting.
diff --git a/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java b/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
index f54c7e57828b..88a94830e98a 100644
--- a/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
+++ b/services/tests/vibrator/src/com/android/server/vibrator/VibrationSettingsTest.java
@@ -604,7 +604,8 @@ public class VibrationSettingsTest {
     @RequiresFlagsEnabled(Flags.FLAG_KEYBOARD_CATEGORY_ENABLED)
     public void shouldIgnoreVibration_withKeyboardSettingsOff_shouldIgnoreKeyboardVibration() {
         setUserSetting(Settings.System.HAPTIC_FEEDBACK_INTENSITY, VIBRATION_INTENSITY_MEDIUM);
-        setUserSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED, 0);
+        setUserSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED, 0 /* OFF*/);
+        setHasFixedKeyboardAmplitudeIntensity(true);
 
         // Keyboard touch ignored.
         assertVibrationIgnoredForAttributes(
@@ -628,7 +629,8 @@ public class VibrationSettingsTest {
     @RequiresFlagsEnabled(Flags.FLAG_KEYBOARD_CATEGORY_ENABLED)
     public void shouldIgnoreVibration_withKeyboardSettingsOn_shouldNotIgnoreKeyboardVibration() {
         setUserSetting(Settings.System.HAPTIC_FEEDBACK_INTENSITY, VIBRATION_INTENSITY_OFF);
-        setUserSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED, 1);
+        setUserSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED, 1 /* ON */);
+        setHasFixedKeyboardAmplitudeIntensity(true);
 
         // General touch ignored.
         assertVibrationIgnoredForUsage(USAGE_TOUCH, Vibration.Status.IGNORED_FOR_SETTINGS);
@@ -642,6 +644,25 @@ public class VibrationSettingsTest {
     }
 
     @Test
+    @RequiresFlagsEnabled(Flags.FLAG_KEYBOARD_CATEGORY_ENABLED)
+    public void shouldIgnoreVibration_noFixedKeyboardAmplitude_ignoresKeyboardTouchVibration() {
+        setUserSetting(Settings.System.HAPTIC_FEEDBACK_INTENSITY, VIBRATION_INTENSITY_OFF);
+        setUserSetting(Settings.System.KEYBOARD_VIBRATION_ENABLED, 1 /* ON */);
+        setHasFixedKeyboardAmplitudeIntensity(false);
+
+        // General touch ignored.
+        assertVibrationIgnoredForUsage(USAGE_TOUCH, Vibration.Status.IGNORED_FOR_SETTINGS);
+
+        // Keyboard touch ignored.
+        assertVibrationIgnoredForAttributes(
+                new VibrationAttributes.Builder()
+                        .setUsage(USAGE_TOUCH)
+                        .setCategory(VibrationAttributes.CATEGORY_KEYBOARD)
+                        .build(),
+                Vibration.Status.IGNORED_FOR_SETTINGS);
+    }
+
+    @Test
     public void shouldIgnoreVibrationFromVirtualDevices_defaultDevice_neverIgnored() {
         // Vibrations from the primary device is never ignored.
         for (int usage : ALL_USAGES) {
@@ -953,6 +974,10 @@ public class VibrationSettingsTest {
         when(mVibrationConfigMock.ignoreVibrationsOnWirelessCharger()).thenReturn(ignore);
     }
 
+    private void setHasFixedKeyboardAmplitudeIntensity(boolean hasFixedAmplitude) {
+        when(mVibrationConfigMock.hasFixedKeyboardAmplitude()).thenReturn(hasFixedAmplitude);
+    }
+
     private void deleteUserSetting(String settingName) {
         Settings.System.putStringForUser(
                 mContextSpy.getContentResolver(), settingName, null, UserHandle.USER_CURRENT);