Add the staggered ring appear animation! (feb31ca5) · Commits · e / os / BlissLauncher3

quickstep/src/com/android/quickstep/util/WorkspaceUnlockAnim.java

deleted100644 → 0

+0 −83

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		package com.android.quickstep.util;

		import com.android.launcher3.Launcher;
		import com.android.launcher3.Utilities;

		/**
		* Animation to animate in a workspace during the unlock transition.
		*/
		// TODO(b/219444608): use SCALE_PROPERTY_FACTORY once the scale is reset to 1.0 after unlocking.
		public class WorkspaceUnlockAnim {
		/** Scale for the workspace icons at the beginning of the animation. */
		private static final float START_SCALE = 0.9f;

		/**
		* Starting translation Y values for the animation. We use a larger value if we're animating in
		* from a swipe, since there is more perceived upward movement when we unlock from a swipe.
		*/
		private static final int START_TRANSLATION_DP = 15;
		private static final int START_TRANSLATION_SWIPE_DP = 60;

		private Launcher mLauncher;
		private float mUnlockAmount = 0f;

		public WorkspaceUnlockAnim(Launcher launcher) {
		mLauncher = launcher;
		}

		/**
		* Called when we're about to make the Launcher window visible and play the unlock animation.
		*
		* This is a blocking call so that System UI knows it's safe to show the Launcher window without
		* causing the Launcher contents to flicker on screen. Do not do anything expensive here.
		*/
		public void prepareForUnlock() {
		mLauncher.getWorkspace().setAlpha(0f);
		mLauncher.getHotseat().setAlpha(0f);

		mUnlockAmount = 0f;
		}

		public void setUnlockAmount(float amount, boolean fromSwipe) {
		mUnlockAmount = amount;

		final float amountInverse = 1f - amount;
		final float scale = START_SCALE + (1f - START_SCALE) * amount;

		mLauncher.getWorkspace().setScaleX(scale);
		mLauncher.getWorkspace().setScaleY(scale);
		mLauncher.getWorkspace().setAlpha(amount);
		mLauncher.getWorkspace().setPivotToScaleWithSelf(mLauncher.getHotseat());

		mLauncher.getHotseat().setScaleX(scale);
		mLauncher.getHotseat().setScaleY(scale);
		mLauncher.getHotseat().setAlpha(amount);

		if (fromSwipe) {
		mLauncher.getWorkspace().setTranslationY(
		Utilities.dpToPx(START_TRANSLATION_SWIPE_DP) * amountInverse);
		mLauncher.getHotseat().setTranslationY(
		Utilities.dpToPx(START_TRANSLATION_SWIPE_DP) * amountInverse);
		} else {
		mLauncher.getWorkspace().setTranslationY(
		Utilities.dpToPx(START_TRANSLATION_DP) * amountInverse);
		mLauncher.getHotseat().setTranslationY(
		Utilities.dpToPx(START_TRANSLATION_DP) * amountInverse);
		}
		}
		}

src/com/android/launcher3/anim/Interpolators.java

+34 −14

Original line number	Diff line number	Diff line
		@@ -47,6 +47,13 @@ public class Interpolators {
		public static final Interpolator DEACCEL_2_5 = new DecelerateInterpolator(2.5f);
		public static final Interpolator DEACCEL_3 = new DecelerateInterpolator(3f);

		/**
		* The decelerating emphasized interpolator. Used for hero / emphasized movement of content that
		* is appearing e.g. when coming from off screen
		*/
		public static final Interpolator EMPHASIZED_DECELERATE = new PathInterpolator(
		0.05f, 0.7f, 0.1f, 1f);

		public static final Interpolator ACCEL_DEACCEL = new AccelerateDecelerateInterpolator();

		public static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f);
		@@ -162,8 +169,9 @@ public class Interpolators {
		}

		/**
		* Runs the given interpolator such that the entire progress is set between the given bounds.
		* That is, we set the interpolation to 0 until lowerBound and reach 1 by upperBound.
		* Returns a function that runs the given interpolator such that the entire progress is set
		* between the given bounds. That is, we set the interpolation to 0 until lowerBound and reach
		* 1 by upperBound.
		*/
		public static Interpolator clampToProgress(Interpolator interpolator, float lowerBound,
		float upperBound) {
		@@ -172,18 +180,30 @@ public class Interpolators {
		String.format("upperBound (%f) must be greater than lowerBound (%f)",
		upperBound, lowerBound));
		}
		return t -> {
		if (t == lowerBound && t == upperBound) {
		return t == 0f ? 0 : 1;
		return t -> clampToProgress(t, lowerBound, upperBound);
		}

		/**
		* Returns the progress value's progress between the lower and upper bounds. That is, the
		* progress will be 0f from 0f to lowerBound, and reach 1f by upperBound.
		*/
		public static float clampToProgress(float progress, float lowerBound, float upperBound) {
		if (upperBound < lowerBound) {
		throw new IllegalArgumentException(
		String.format("upperBound (%f) must be greater than lowerBound (%f)",
		upperBound, lowerBound));
		}

		if (progress == lowerBound && progress == upperBound) {
		return progress == 0f ? 0 : 1;
		}
		if (t < lowerBound) {
		if (progress < lowerBound) {
		return 0;
		}
		if (t > upperBound) {
		if (progress > upperBound) {
		return 1;
		}
		return interpolator.getInterpolation((t - lowerBound) / (upperBound - lowerBound));
		};
		return (progress - lowerBound) / (upperBound - lowerBound);
		}

		/**