Added utility function to VibratorWrapper for generating Assist hapic (edd9c96e) · Commits · e / os / android_packages_apps_Trebuchet

src/com/android/launcher3/util/VibratorWrapper.java

+34 −7

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@ package com.android.launcher3.util;

		import static android.os.VibrationEffect.createPredefined;
		import static android.provider.Settings.System.HAPTIC_FEEDBACK_ENABLED;

		import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
		import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;

		@@ -68,6 +69,9 @@ public class VibratorWrapper {
		@Nullable
		private final VibrationEffect mBumpEffect;

		@Nullable
		private final VibrationEffect mAssistEffect;

		private long mLastDragTime;
		private final int mThresholdUntilNextDragCallMillis;

		@@ -125,6 +129,19 @@ public class VibratorWrapper {
		mBumpEffect = null;
		mThresholdUntilNextDragCallMillis = 0;
		}

		if (Utilities.ATLEAST_R && mVibrator.areAllPrimitivesSupported(
		VibrationEffect.Composition.PRIMITIVE_QUICK_RISE,
		VibrationEffect.Composition.PRIMITIVE_TICK)) {
		// quiet ramp, short pause, then sharp tick
		mAssistEffect = VibrationEffect.startComposition()
		.addPrimitive(VibrationEffect.Composition.PRIMITIVE_QUICK_RISE, 0.25f)
		.addPrimitive(VibrationEffect.Composition.PRIMITIVE_TICK, 1f, 50)
		.compose();
		} else {
		// fallback for devices without composition support
		mAssistEffect = VibrationEffect.createPredefined(VibrationEffect.EFFECT_HEAVY_CLICK);
		}
		}

		/**
		@@ -166,6 +183,15 @@ public class VibratorWrapper {
		}
		}

		/**
		* The assist haptic is used to be called when an assistant is invoked
		*/
		public void vibrateForAssist() {
		if (mAssistEffect != null) {
		vibrate(mAssistEffect);
		}
		}

		/**
		* This should be used to cancel a haptic in case where the haptic shouldn't be vibrating. For
		* example, when no animation is happening but a vibrator happens to be vibrating still. Need
		@@ -176,6 +202,7 @@ public class VibratorWrapper {
		// reset dragTexture timestamp to be able to play dragTexture again whenever cancelled
		mLastDragTime = 0;
		}

		private boolean isHapticFeedbackEnabled(ContentResolver resolver) {
		return Settings.System.getInt(resolver, HAPTIC_FEEDBACK_ENABLED, 0) == 1;
		}