update:2021.03.19
fix:重新提交 add:
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.uiuios;
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import static com.android.uiuios.LauncherAnimUtils.VIEW_TRANSLATE_X;
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import static com.android.uiuios.LauncherState.NORMAL;
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import static com.android.uiuios.allapps.AllAppsTransitionController.ALL_APPS_PROGRESS;
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import static com.android.uiuios.anim.Interpolators.AGGRESSIVE_EASE;
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import static com.android.uiuios.anim.Interpolators.LINEAR;
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import static com.android.quickstep.TaskViewUtils.findTaskViewToLaunch;
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import static com.android.quickstep.TaskViewUtils.getRecentsWindowAnimator;
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import static androidx.dynamicanimation.animation.DynamicAnimation.MIN_VISIBLE_CHANGE_PIXELS;
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import static androidx.dynamicanimation.animation.SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY;
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import static androidx.dynamicanimation.animation.SpringForce.STIFFNESS_MEDIUM;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.content.Context;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.android.uiuios.allapps.AllAppsTransitionController;
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import com.android.uiuios.anim.AnimatorPlaybackController;
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import com.android.uiuios.anim.Interpolators;
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import com.android.uiuios.anim.SpringObjectAnimator;
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import com.android.quickstep.util.ClipAnimationHelper;
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import com.android.quickstep.views.RecentsView;
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import com.android.quickstep.views.TaskView;
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import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
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/**
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* A {@link QuickstepAppTransitionManagerImpl} that also implements recents transitions from
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* {@link RecentsView}.
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*/
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public final class LauncherAppTransitionManagerImpl extends QuickstepAppTransitionManagerImpl {
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public static final int INDEX_SHELF_ANIM = 0;
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public static final int INDEX_RECENTS_FADE_ANIM = 1;
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public static final int INDEX_RECENTS_TRANSLATE_X_ANIM = 2;
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public LauncherAppTransitionManagerImpl(Context context) {
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super(context);
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}
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@Override
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protected boolean isLaunchingFromRecents(@NonNull View v,
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@Nullable RemoteAnimationTargetCompat[] targets) {
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return mLauncher.getStateManager().getState().overviewUi
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&& findTaskViewToLaunch(mLauncher, v, targets) != null;
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}
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@Override
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protected void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
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@NonNull RemoteAnimationTargetCompat[] targets, boolean launcherClosing) {
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RecentsView recentsView = mLauncher.getOverviewPanel();
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boolean skipLauncherChanges = !launcherClosing;
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TaskView taskView = findTaskViewToLaunch(mLauncher, v, targets);
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ClipAnimationHelper helper = new ClipAnimationHelper(mLauncher);
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anim.play(getRecentsWindowAnimator(taskView, skipLauncherChanges, targets, helper)
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.setDuration(RECENTS_LAUNCH_DURATION));
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Animator childStateAnimation = null;
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// Found a visible recents task that matches the opening app, lets launch the app from there
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Animator launcherAnim;
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final AnimatorListenerAdapter windowAnimEndListener;
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if (launcherClosing) {
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launcherAnim = recentsView.createAdjacentPageAnimForTaskLaunch(taskView, helper);
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launcherAnim.setInterpolator(Interpolators.TOUCH_RESPONSE_INTERPOLATOR);
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launcherAnim.setDuration(RECENTS_LAUNCH_DURATION);
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// Make sure recents gets fixed up by resetting task alphas and scales, etc.
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windowAnimEndListener = new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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mLauncher.getStateManager().moveToRestState();
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mLauncher.getStateManager().reapplyState();
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}
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};
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} else {
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AnimatorPlaybackController controller =
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mLauncher.getStateManager().createAnimationToNewWorkspace(NORMAL,
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RECENTS_LAUNCH_DURATION);
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controller.dispatchOnStart();
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childStateAnimation = controller.getTarget();
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launcherAnim = controller.getAnimationPlayer().setDuration(RECENTS_LAUNCH_DURATION);
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windowAnimEndListener = new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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mLauncher.getStateManager().goToState(NORMAL, false);
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}
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};
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}
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anim.play(launcherAnim);
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// Set the current animation first, before adding windowAnimEndListener. Setting current
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// animation adds some listeners which need to be called before windowAnimEndListener
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// (the ordering of listeners matter in this case).
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mLauncher.getStateManager().setCurrentAnimation(anim, childStateAnimation);
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anim.addListener(windowAnimEndListener);
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}
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@Override
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protected Runnable composeViewContentAnimator(@NonNull AnimatorSet anim, float[] alphas,
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float[] trans) {
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RecentsView overview = mLauncher.getOverviewPanel();
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ObjectAnimator alpha = ObjectAnimator.ofFloat(overview,
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RecentsView.CONTENT_ALPHA, alphas);
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alpha.setDuration(CONTENT_ALPHA_DURATION);
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alpha.setInterpolator(LINEAR);
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anim.play(alpha);
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overview.setFreezeViewVisibility(true);
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ObjectAnimator transY = ObjectAnimator.ofFloat(overview, View.TRANSLATION_Y, trans);
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transY.setInterpolator(AGGRESSIVE_EASE);
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transY.setDuration(CONTENT_TRANSLATION_DURATION);
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anim.play(transY);
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return () -> {
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overview.setFreezeViewVisibility(false);
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mLauncher.getStateManager().reapplyState();
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};
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}
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@Override
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public int getStateElementAnimationsCount() {
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return 3;
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}
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@Override
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public Animator createStateElementAnimation(int index, float... values) {
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switch (index) {
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case INDEX_SHELF_ANIM:
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return mLauncher.getAllAppsController().createSpringAnimation(values);
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case INDEX_RECENTS_FADE_ANIM:
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return ObjectAnimator.ofFloat(mLauncher.getOverviewPanel(),
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RecentsView.CONTENT_ALPHA, values);
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case INDEX_RECENTS_TRANSLATE_X_ANIM:
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return new SpringObjectAnimator<>(mLauncher.getOverviewPanel(),
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VIEW_TRANSLATE_X, MIN_VISIBLE_CHANGE_PIXELS, 0.8f, 250, values);
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default:
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return super.createStateElementAnimation(index, values);
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}
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}
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}
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