[automerge] Add the staggered ring appear animation! 2p: feb31ca567

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17356398

Bug: 197636896
Change-Id: I43f6c0bb6889398db42d95495064b586a18f3492
This commit is contained in:
Presubmit Automerger Backend
2022-04-06 18:27:33 +00:00
2 changed files with 34 additions and 97 deletions
@@ -1,83 +0,0 @@
/*
* 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);
}
}
}