Merge "Allow for any default vibration intensity level." into pi-dev (4af6ded8) · Commits · e / os / android_frameworks_base

core/java/android/os/Vibrator.java

+21 −2

Original line number	Diff line number	Diff line
		@@ -72,12 +72,23 @@ public abstract class Vibrator {
		public @interface VibrationIntensity{}

		private final String mPackageName;
		// The default vibration intensity level for haptic feedback.
		@VibrationIntensity
		private final int mDefaultHapticFeedbackIntensity;
		// The default vibration intensity level for notifications.
		@VibrationIntensity
		private final int mDefaultNotificationVibrationIntensity;

		/**
		* @hide to prevent subclassing from outside of the framework
		*/
		public Vibrator() {
		mPackageName = ActivityThread.currentPackageName();
		final Context ctx = ActivityThread.currentActivityThread().getSystemContext();
		mDefaultHapticFeedbackIntensity = loadDefaultIntensity(ctx,
		com.android.internal.R.integer.config_defaultHapticFeedbackIntensity);
		mDefaultNotificationVibrationIntensity = loadDefaultIntensity(ctx,
		com.android.internal.R.integer.config_defaultNotificationVibrationIntensity);
		}

		/**
		@@ -85,6 +96,14 @@ public abstract class Vibrator {
		*/
		protected Vibrator(Context context) {
		mPackageName = context.getOpPackageName();
		mDefaultHapticFeedbackIntensity = loadDefaultIntensity(context,
		com.android.internal.R.integer.config_defaultHapticFeedbackIntensity);
		mDefaultNotificationVibrationIntensity = loadDefaultIntensity(context,
		com.android.internal.R.integer.config_defaultNotificationVibrationIntensity);
		}

		private int loadDefaultIntensity(Context ctx, int resId) {
		return ctx != null ? ctx.getResources().getInteger(resId) : VIBRATION_INTENSITY_MEDIUM;
		}

		/**
		@@ -92,7 +111,7 @@ public abstract class Vibrator {
		* @hide
		*/
		public int getDefaultHapticFeedbackIntensity() {
		return VIBRATION_INTENSITY_MEDIUM;
		return mDefaultHapticFeedbackIntensity;
		}

		/**
		@@ -100,7 +119,7 @@ public abstract class Vibrator {
		* @hide
		*/
		public int getDefaultNotificationVibrationIntensity() {
		return VIBRATION_INTENSITY_HIGH;
		return mDefaultNotificationVibrationIntensity;
		}

		/**

core/res/res/values/config.xml

+9 −0

Original line number	Diff line number	Diff line
		@@ -1108,6 +1108,15 @@
		<string-array translatable="false" name="config_ringtoneEffectUris">
		</string-array>

		<!-- The default intensity level for haptic feedback. See
		Settings.System.HAPTIC_FEEDBACK_INTENSITY more details on the constant values and
		meanings. -->
		<integer name="config_defaultHapticFeedbackIntensity">2</integer>
		<!-- The default intensity level for notification vibrations. See
		Settings.System.NOTIFICATION_VIBRATION_INTENSITY more details on the constant values and
		meanings. -->
		<integer name="config_defaultNotificationVibrationIntensity">2</integer>

		<bool name="config_use_strict_phone_number_comparation">false</bool>

		<!-- Display low battery warning when battery level dips to this value.

core/res/res/values/symbols.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -3386,4 +3386,7 @@
		<java-symbol type="drawable" name="ic_lock_lockdown" />
		<java-symbol type="drawable" name="ic_arrow_forward" />
		<java-symbol type="drawable" name="ic_permission" />

		<java-symbol type="integer" name="config_defaultHapticFeedbackIntensity" />
		<java-symbol type="integer" name="config_defaultNotificationVibrationIntensity" />
		</resources>

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

+73 −32

Original line number	Diff line number	Diff line
		@@ -76,17 +76,35 @@ public class VibratorService extends IVibratorService.Stub

		private static final long[] DOUBLE_CLICK_EFFECT_FALLBACK_TIMINGS = { 0, 30, 100, 30 };

		private static final float GAMMA_SCALE_FACTOR_MINIMUM = 2.0f;
		private static final float GAMMA_SCALE_FACTOR_LOW = 1.5f;
		private static final float GAMMA_SCALE_FACTOR_HIGH = 0.5f;
		private static final float GAMMA_SCALE_FACTOR_NONE = 1.0f;

		private static final int MAX_AMPLITUDE_MINIMUM_INTENSITY = 168; // 2/3 * 255
		private static final int MAX_AMPLITUDE_LOW_INTENSITY = 192; // 3/4 * 255
		// Scale levels. Each level is defined as the delta between the current setting and the default
		// intensity for that type of vibration (i.e. current - default).
		private static final int SCALE_VERY_LOW = -2;
		private static final int SCALE_LOW = -1;
		private static final int SCALE_NONE = 0;
		private static final int SCALE_HIGH = 1;
		private static final int SCALE_VERY_HIGH = 2;

		// Gamma adjustments for scale levels.
		private static final float SCALE_VERY_LOW_GAMMA = 2.0f;
		private static final float SCALE_LOW_GAMMA = 1.5f;
		private static final float SCALE_NONE_GAMMA = 1.0f;
		private static final float SCALE_HIGH_GAMMA = 0.5f;
		private static final float SCALE_VERY_HIGH_GAMMA = 0.25f;

		// Max amplitudes for scale levels. If one is not listed, then the max amplitude is the default
		// max amplitude.
		private static final int SCALE_VERY_LOW_MAX_AMPLITUDE = 168; // 2/3 * 255
		private static final int SCALE_LOW_MAX_AMPLITUDE = 192; // 3/4 * 255

		// If a vibration is playing for longer than 5s, it's probably not haptic feedback.
		private static final long MAX_HAPTIC_FEEDBACK_DURATION = 5000;


		// A mapping from the intensity adjustment to the scaling to apply, where the intensity
		// adjustment is defined as the delta between the default intensity level and the user selected
		// intensity level. It's important that we apply the scaling on the delta between the two so
		// that the default intensity level applies no scaling to application provided effects.
		private final SparseArray<ScaleLevel> mScaleLevels;
		private final LinkedList<VibrationInfo> mPreviousVibrations;
		private final int mPreviousVibrationsLimit;
		private final boolean mAllowPriorityVibrationsInLowPowerMode;
		@@ -180,6 +198,8 @@ public class VibratorService extends IVibratorService.Stub
		case VibrationEffect.EFFECT_DOUBLE_CLICK:
		case VibrationEffect.EFFECT_HEAVY_CLICK:
		case VibrationEffect.EFFECT_TICK:
		case VibrationEffect.EFFECT_POP:
		case VibrationEffect.EFFECT_THUD:
		return true;
		default:
		Slog.w(TAG, "Unknown prebaked vibration effect, "
		@@ -254,6 +274,25 @@ public class VibratorService extends IVibratorService.Stub
		}
		}

		private static final class ScaleLevel {
		public final float gamma;
		public final int maxAmplitude;

		public ScaleLevel(float gamma) {
		this(gamma, VibrationEffect.MAX_AMPLITUDE);
		}

		public ScaleLevel(float gamma, int maxAmplitude) {
		this.gamma = gamma;
		this.maxAmplitude = maxAmplitude;
		}

		@Override
		public String toString() {
		return "ScaleLevel{gamma=" + gamma + ", maxAmplitude=" + maxAmplitude + "}";
		}
		}

		VibratorService(Context context) {
		vibratorInit();
		// Reset the hardware to a default state, in case this is a runtime
		@@ -295,11 +334,19 @@ public class VibratorService extends IVibratorService.Stub
		VibrationEffect tickEffect = createEffectFromResource(
		com.android.internal.R.array.config_clockTickVibePattern);

		mFallbackEffects = new SparseArray<VibrationEffect>();
		mFallbackEffects = new SparseArray<>();
		mFallbackEffects.put(VibrationEffect.EFFECT_CLICK, clickEffect);
		mFallbackEffects.put(VibrationEffect.EFFECT_DOUBLE_CLICK, doubleClickEffect);
		mFallbackEffects.put(VibrationEffect.EFFECT_TICK, tickEffect);
		mFallbackEffects.put(VibrationEffect.EFFECT_HEAVY_CLICK, heavyClickEffect);

		mScaleLevels = new SparseArray<>();
		mScaleLevels.put(SCALE_VERY_LOW,
		new ScaleLevel(SCALE_VERY_LOW_GAMMA, SCALE_VERY_LOW_MAX_AMPLITUDE));
		mScaleLevels.put(SCALE_LOW, new ScaleLevel(SCALE_LOW_GAMMA, SCALE_LOW_MAX_AMPLITUDE));
		mScaleLevels.put(SCALE_NONE, new ScaleLevel(SCALE_NONE_GAMMA));
		mScaleLevels.put(SCALE_HIGH, new ScaleLevel(SCALE_HIGH_GAMMA));
		mScaleLevels.put(SCALE_VERY_HIGH, new ScaleLevel(SCALE_VERY_HIGH_GAMMA));
		}

		private VibrationEffect createEffectFromResource(int resId) {
		@@ -675,41 +722,35 @@ public class VibratorService extends IVibratorService.Stub
		return;
		}

		final float gamma;
		final int maxAmplitude;
		final int defaultIntensity;
		if (vib.isNotification() \|\| vib.isRingtone()) {
		if (intensity == Vibrator.VIBRATION_INTENSITY_LOW) {
		gamma = GAMMA_SCALE_FACTOR_MINIMUM;
		maxAmplitude = MAX_AMPLITUDE_MINIMUM_INTENSITY;
		} else if (intensity == Vibrator.VIBRATION_INTENSITY_MEDIUM) {
		gamma = GAMMA_SCALE_FACTOR_LOW;
		maxAmplitude = MAX_AMPLITUDE_LOW_INTENSITY;
		} else {
		gamma = GAMMA_SCALE_FACTOR_NONE;
		maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
		}
		} else {
		if (intensity == Vibrator.VIBRATION_INTENSITY_LOW) {
		gamma = GAMMA_SCALE_FACTOR_LOW;
		maxAmplitude = MAX_AMPLITUDE_LOW_INTENSITY;
		} else if (intensity == Vibrator.VIBRATION_INTENSITY_HIGH) {
		gamma = GAMMA_SCALE_FACTOR_HIGH;
		maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
		defaultIntensity = mVibrator.getDefaultNotificationVibrationIntensity();
		} else if (vib.isHapticFeedback()) {
		defaultIntensity = mVibrator.getDefaultHapticFeedbackIntensity();
		} else {
		gamma = GAMMA_SCALE_FACTOR_NONE;
		maxAmplitude = VibrationEffect.MAX_AMPLITUDE;
		// If we don't know what kind of vibration we're playing then just skip scaling for
		// now.
		return;
		}

		final ScaleLevel scale = mScaleLevels.get(intensity - defaultIntensity);
		if (scale == null) {
		// We should have scaling levels for all cases, so not being able to scale because of a
		// missing level is unexpected.
		Slog.e(TAG, "No configured scaling level!"
		+ " (current=" + intensity + ", default= " + defaultIntensity + ")");
		return;
		}

		VibrationEffect scaledEffect = null;
		if (vib.effect instanceof VibrationEffect.OneShot) {
		VibrationEffect.OneShot oneShot = (VibrationEffect.OneShot) vib.effect;
		oneShot = oneShot.resolve(mDefaultVibrationAmplitude);
		scaledEffect = oneShot.scale(gamma, maxAmplitude);
		scaledEffect = oneShot.scale(scale.gamma, scale.maxAmplitude);
		} else if (vib.effect instanceof VibrationEffect.Waveform) {
		VibrationEffect.Waveform waveform = (VibrationEffect.Waveform) vib.effect;
		waveform = waveform.resolve(mDefaultVibrationAmplitude);
		scaledEffect = waveform.scale(gamma, maxAmplitude);
		scaledEffect = waveform.scale(scale.gamma, scale.maxAmplitude);
		} else {
		Slog.w(TAG, "Unable to apply intensity scaling, unknown VibrationEffect type");
		}