txyyh
9af8c85994
* Change LICENSE file to GPLv3 * Change README LICENSE NOTICE to GPLv3 * Add NOTICE Header
110 lines
3.7 KiB
Java
110 lines
3.7 KiB
Java
/*
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* Copyright 2022 Tarsin Norbin
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*
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* This file is part of EhViewer
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*
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* EhViewer is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* EhViewer is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with EhViewer.
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* If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.hippo.ehviewer;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.core.view.WindowInsetsAnimationCompat;
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import androidx.core.view.WindowInsetsCompat;
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import com.hippo.yorozuya.MathUtils;
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import java.util.HashMap;
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import java.util.List;
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public class WindowInsetsAnimationHelper extends WindowInsetsAnimationCompat.Callback {
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private final View[] views;
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private final HashMap<View, Integer> startPaddings = new HashMap<>();
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private final HashMap<View, Integer> endPaddings = new HashMap<>();
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WindowInsetsAnimationCompat animation;
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public WindowInsetsAnimationHelper(int dispatchMode, View... views) {
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super(dispatchMode);
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this.views = views;
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}
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@Override
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public void onPrepare(@NonNull WindowInsetsAnimationCompat animation) {
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super.onPrepare(animation);
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this.animation = animation;
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for (View view : views) {
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if (view == null) {
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continue;
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}
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startPaddings.put(view, view.getPaddingBottom());
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}
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}
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@NonNull
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@Override
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public WindowInsetsAnimationCompat.BoundsCompat onStart(@NonNull WindowInsetsAnimationCompat animation, @NonNull WindowInsetsAnimationCompat.BoundsCompat bounds) {
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this.animation = animation;
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for (View view : views) {
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if (view == null) {
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continue;
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}
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endPaddings.put(view, view.getPaddingBottom());
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int startPadding = startPaddings.containsKey(view) ? startPaddings.get(view) : 0;
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view.setTranslationY(-(startPadding - view.getPaddingBottom()));
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}
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return bounds;
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}
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@NonNull
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@Override
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public WindowInsetsCompat onProgress(@NonNull WindowInsetsCompat insets, @NonNull List<WindowInsetsAnimationCompat> runningAnimations) {
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if (animation == null) {
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return insets;
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}
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WindowInsetsAnimationCompat imeAnimation = null;
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for (WindowInsetsAnimationCompat animation : runningAnimations) {
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if ((animation.getTypeMask() & WindowInsetsCompat.Type.ime()) != 0) {
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imeAnimation = animation;
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break;
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}
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}
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if (imeAnimation != null) {
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for (View view : views) {
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if (view == null) {
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continue;
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}
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int startPadding = startPaddings.containsKey(view) ? startPaddings.get(view) : 0;
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int endPadding = endPaddings.containsKey(view) ? endPaddings.get(view) : 0;
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view.setTranslationY(MathUtils.lerp(endPadding - startPadding, 0, animation.getInterpolatedFraction()));
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}
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}
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return insets;
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}
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@Override
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public void onEnd(@NonNull WindowInsetsAnimationCompat animation) {
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super.onEnd(animation);
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startPaddings.clear();
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endPaddings.clear();
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this.animation = null;
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for (View view : views) {
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if (view == null) {
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continue;
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}
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view.setTranslationY(0);
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}
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}
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}
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