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Commit 1391b985 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Apply intensity settings to composed vibration effects" into rvc-dev am: 896cdcca 

Change-Id: I09e8a02cd41c7a9c88224b9f224dbf90f9bb720b
parents 51644a96 896cdcca

core/java/android/os/VibrationEffect.java

+28 −0
Original line number Diff line number Diff line
@@ -897,6 +897,34 @@ public abstract class VibrationEffect implements Parcelable { 
            return -1;

        }



        /**

         * Scale all primitives of this effect.

         *

         * @param gamma the gamma adjustment to apply

         * @param maxAmplitude the new maximum amplitude of the effect, must be between 0 and

         *         MAX_AMPLITUDE

         * @throws IllegalArgumentException if maxAmplitude less than 0 or more than MAX_AMPLITUDE

         *

         * @return A {@link Composed} effect with same but scaled primitives.

         */

        public Composed scale(float gamma, int maxAmplitude) {

            if (maxAmplitude > MAX_AMPLITUDE || maxAmplitude < 0) {

                throw new IllegalArgumentException(

                        "Amplitude is negative or greater than MAX_AMPLITUDE");

            }

            if (gamma == 1.0f && maxAmplitude == MAX_AMPLITUDE) {

                // Just return a copy of the original if there's no scaling to be done.

                return new Composed(mPrimitiveEffects);

            }

            List<Composition.PrimitiveEffect> scaledPrimitives = new ArrayList<>();

            for (Composition.PrimitiveEffect primitive : mPrimitiveEffects) {

                float adjustedScale = MathUtils.pow(primitive.scale, gamma);

                float newScale = adjustedScale * maxAmplitude / (float) MAX_AMPLITUDE;

                scaledPrimitives.add(new Composition.PrimitiveEffect(

                        primitive.id, newScale, primitive.delay));

            }

            return new Composed(scaledPrimitives);

        }



        /**

         * @hide

core/tests/coretests/src/android/os/VibrationEffectTest.java

+96 −6
Original line number Diff line number Diff line
@@ -22,9 +22,12 @@ import static junit.framework.Assert.assertNull; 
import static junit.framework.Assert.assertTrue;

import static junit.framework.Assert.fail;



import static org.mockito.ArgumentMatchers.any;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.when;



import android.content.ContentInterface;

import android.content.ContentResolver;

import android.content.Context;

import android.content.res.Resources;

import android.net.Uri;
@@ -37,6 +40,8 @@ import org.mockito.junit.MockitoJUnitRunner; 


@RunWith(MockitoJUnitRunner.class)

public class VibrationEffectTest {

    private static final float SCALE_TOLERANCE = 1e-2f;



    private static final String RINGTONE_URI_1 = "content://test/system/ringtone_1";

    private static final String RINGTONE_URI_2 = "content://test/system/ringtone_2";

    private static final String RINGTONE_URI_3 = "content://test/system/ringtone_3";
@@ -54,6 +59,12 @@ public class VibrationEffectTest { 
            VibrationEffect.createOneShot(TEST_TIMING, VibrationEffect.DEFAULT_AMPLITUDE);

    private static final VibrationEffect TEST_WAVEFORM =

            VibrationEffect.createWaveform(TEST_TIMINGS, TEST_AMPLITUDES, -1);

    private static final VibrationEffect TEST_COMPOSED =

            VibrationEffect.startComposition()

                    .addPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK)

                    .addPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 0.5f, 10)

                    .addPrimitive(VibrationEffect.Composition.PRIMITIVE_CLICK, 0, 100)

                    .compose();



    @Test

    public void getRingtones_noPrebakedRingtones() {
@@ -123,8 +134,14 @@ public class VibrationEffectTest { 


    @Test

    public void testScaleWaveform() {

        VibrationEffect.Waveform scaled =

                ((VibrationEffect.Waveform) TEST_WAVEFORM).scale(1.1f, 200);

        VibrationEffect.Waveform initial = (VibrationEffect.Waveform) TEST_WAVEFORM;



        VibrationEffect.Waveform copied = initial.scale(1f, 255);

        assertEquals(255, copied.getAmplitudes()[0]);

        assertEquals(0, copied.getAmplitudes()[1]);

        assertEquals(-1, copied.getAmplitudes()[2]);



        VibrationEffect.Waveform scaled = initial.scale(1.1f, 200);

        assertEquals(200, scaled.getAmplitudes()[0]);

        assertEquals(0, scaled.getAmplitudes()[1]);

    }
@@ -156,6 +173,66 @@ public class VibrationEffectTest { 
        }

    }



    @Test

    public void testScaleComposed() {

        VibrationEffect.Composed initial = (VibrationEffect.Composed) TEST_COMPOSED;



        VibrationEffect.Composed copied = initial.scale(1, 255);

        assertEquals(1f, copied.getPrimitiveEffects().get(0).scale);

        assertEquals(0.5f, copied.getPrimitiveEffects().get(1).scale);

        assertEquals(0f, copied.getPrimitiveEffects().get(2).scale);



        VibrationEffect.Composed halved = initial.scale(1, 128);

        assertEquals(0.5f, halved.getPrimitiveEffects().get(0).scale, SCALE_TOLERANCE);

        assertEquals(0.25f, halved.getPrimitiveEffects().get(1).scale, SCALE_TOLERANCE);

        assertEquals(0f, halved.getPrimitiveEffects().get(2).scale);



        VibrationEffect.Composed scaledUp = initial.scale(0.5f, 255);

        assertEquals(1f, scaledUp.getPrimitiveEffects().get(0).scale); // does not scale up from 1

        assertTrue(0.5f < scaledUp.getPrimitiveEffects().get(1).scale);

        assertEquals(0f, scaledUp.getPrimitiveEffects().get(2).scale);



        VibrationEffect.Composed restored = scaledUp.scale(2, 255);

        assertEquals(1f, restored.getPrimitiveEffects().get(0).scale, SCALE_TOLERANCE);

        assertEquals(0.5f, restored.getPrimitiveEffects().get(1).scale, SCALE_TOLERANCE);

        assertEquals(0f, restored.getPrimitiveEffects().get(2).scale);



        VibrationEffect.Composed scaledDown = initial.scale(2, 255);

        assertEquals(1f, scaledDown.getPrimitiveEffects().get(0).scale, SCALE_TOLERANCE);

        assertTrue(0.5f > scaledDown.getPrimitiveEffects().get(1).scale);

        assertEquals(0f, scaledDown.getPrimitiveEffects().get(2).scale, SCALE_TOLERANCE);



        VibrationEffect.Composed changeMax = initial.scale(1f, 51);

        assertEquals(0.2f, changeMax.getPrimitiveEffects().get(0).scale, SCALE_TOLERANCE);

        assertEquals(0.1f, changeMax.getPrimitiveEffects().get(1).scale, SCALE_TOLERANCE);

        assertEquals(0f, changeMax.getPrimitiveEffects().get(2).scale);

    }



    @Test

    public void testScaleComposedFailsWhenMaxAmplitudeAboveThreshold() {

        try {

            ((VibrationEffect.Composed) TEST_COMPOSED).scale(1.1f, 1000);

            fail("Max amplitude above threshold, should throw IllegalArgumentException");

        } catch (IllegalArgumentException expected) {

        }

    }



    @Test

    public void testScaleAppliesSameAdjustmentsOnAllEffects() {

        VibrationEffect.OneShot oneShot = new VibrationEffect.OneShot(TEST_TIMING, TEST_AMPLITUDE);

        VibrationEffect.Waveform waveform = new VibrationEffect.Waveform(

                new long[] { TEST_TIMING }, new int[]{ TEST_AMPLITUDE }, -1);

        VibrationEffect.Composed composed =

                (VibrationEffect.Composed) VibrationEffect.startComposition()

                    .addPrimitive(VibrationEffect.Composition.PRIMITIVE_TICK, TEST_AMPLITUDE / 255f)

                    .compose();



        assertEquals(oneShot.scale(2f, 128).getAmplitude(),

                waveform.scale(2f, 128).getAmplitudes()[0]);

        assertEquals(oneShot.scale(2f, 128).getAmplitude() / 255f, // convert amplitude to scale

                composed.scale(2f, 128).getPrimitiveEffects().get(0).scale,

                SCALE_TOLERANCE);

    }



    private Resources mockRingtoneResources() {

        return mockRingtoneResources(new String[] {
@@ -172,9 +249,22 @@ public class VibrationEffectTest { 
        return mockResources;

    }



    private Context mockContext(Resources r) {

        Context ctx = mock(Context.class);

        when(ctx.getResources()).thenReturn(r);

        return ctx;

    private Context mockContext(Resources resources) {

        Context context = mock(Context.class);

        ContentInterface contentInterface = mock(ContentInterface.class);

        ContentResolver contentResolver = ContentResolver.wrap(contentInterface);



        try {

            // ContentResolver#uncanonicalize is final, so we need to mock the ContentInterface it

            // delegates the call to for the tests that require matching with the mocked URIs.

            when(contentInterface.uncanonicalize(any())).then(

                    invocation -> invocation.getArgument(0));

            when(context.getContentResolver()).thenReturn(contentResolver);

            when(context.getResources()).thenReturn(resources);

        } catch (RemoteException e) {

            throw new RuntimeException(e);

        }



        return context;

    }

}

services/core/java/com/android/server/VibratorService.java

+3 −0
Original line number Diff line number Diff line
@@ -1034,6 +1034,9 @@ public class VibratorService extends IVibratorService.Stub 
            VibrationEffect.Waveform waveform = (VibrationEffect.Waveform) vib.effect;

            waveform = waveform.resolve(mDefaultVibrationAmplitude);

            scaledEffect = waveform.scale(scale.gamma, scale.maxAmplitude);

        } else if (vib.effect instanceof VibrationEffect.Composed) {

            VibrationEffect.Composed composed = (VibrationEffect.Composed) vib.effect;

            scaledEffect = composed.scale(scale.gamma, scale.maxAmplitude);

        } else {

            Slog.w(TAG, "Unable to apply intensity scaling, unknown VibrationEffect type");

        }