mirror of https://github.com/NekoX-Dev/NekoX.git
159 lines
4.5 KiB
Java
159 lines
4.5 KiB
Java
/*
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* This is the source code of Telegram for Android v. 5.x.x.
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* It is licensed under GNU GPL v. 2 or later.
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* You should have received a copy of the license in this archive (see LICENSE).
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*
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* Copyright Nikolai Kudashov, 2013-2018.
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*/
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package org.telegram.ui.Components;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.PixelFormat;
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import android.view.animation.DecelerateInterpolator;
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import org.telegram.messenger.AndroidUtilities;
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import org.telegram.messenger.NotificationCenter;
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import org.telegram.messenger.UserConfig;
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import org.telegram.ui.ActionBar.Theme;
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public class TypingDotsDrawable extends StatusDrawable {
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private int currentAccount = UserConfig.selectedAccount;
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private boolean isChat = false;
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private float[] scales = new float[3];
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private float[] startTimes = new float[] {0, 150, 300};
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private float[] elapsedTimes = new float[] {0, 0, 0};
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private long lastUpdateTime = 0;
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private boolean started = false;
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private DecelerateInterpolator decelerateInterpolator = new DecelerateInterpolator();
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private Paint currentPaint;
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public TypingDotsDrawable(boolean createPaint) {
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if (createPaint) {
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currentPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
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}
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}
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@Override
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public void setColor(int color) {
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if (currentPaint != null) {
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currentPaint.setColor(color);
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}
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}
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public void setIsChat(boolean value) {
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isChat = value;
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}
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private void update() {
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long newTime = System.currentTimeMillis();
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long dt = newTime - lastUpdateTime;
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lastUpdateTime = newTime;
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if (dt > 50) {
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dt = 50;
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}
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for (int a = 0; a < 3; a++) {
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elapsedTimes[a] += dt;
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float timeSinceStart = elapsedTimes[a] - startTimes[a];
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if (timeSinceStart > 0) {
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if (timeSinceStart <= 320) {
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float diff = decelerateInterpolator.getInterpolation(timeSinceStart / 320.0f);
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scales[a] = 1.33f + diff;
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} else if (timeSinceStart <= 640) {
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float diff = decelerateInterpolator.getInterpolation((timeSinceStart - 320.0f) / 320.0f);
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scales[a] = 1.33f + (1 - diff);
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} else if (timeSinceStart >= 800) {
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elapsedTimes[a] = 0;
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startTimes[a] = 0;
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scales[a] = 1.33f;
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} else {
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scales[a] = 1.33f;
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}
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} else {
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scales[a] = 1.33f;
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}
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}
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invalidateSelf();
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}
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public void start() {
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lastUpdateTime = System.currentTimeMillis();
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started = true;
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invalidateSelf();
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}
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public void stop() {
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for (int a = 0; a < 3; a++) {
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elapsedTimes[a] = 0;
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scales[a] = 1.33f;
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}
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startTimes[0] = 0;
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startTimes[1] = 150;
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startTimes[2] = 300;
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started = false;
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}
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@Override
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public void draw(Canvas canvas) {
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int y;
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if (isChat) {
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y = AndroidUtilities.dp(8.5f) + getBounds().top;
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} else {
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y = AndroidUtilities.dp(9.3f) + getBounds().top;
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}
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Paint paint;
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if (currentPaint == null) {
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paint = Theme.chat_statusPaint;
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paint.setAlpha(255);
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} else {
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paint = currentPaint;
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}
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canvas.drawCircle(AndroidUtilities.dp(3), y, scales[0] * AndroidUtilities.density, paint);
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canvas.drawCircle(AndroidUtilities.dp(9), y, scales[1] * AndroidUtilities.density, paint);
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canvas.drawCircle(AndroidUtilities.dp(15), y, scales[2] * AndroidUtilities.density, paint);
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checkUpdate();
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}
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private void checkUpdate() {
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if (started) {
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if (!NotificationCenter.getInstance(currentAccount).isAnimationInProgress()) {
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update();
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} else {
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AndroidUtilities.runOnUIThread(this::checkUpdate, 100);
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}
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}
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}
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@Override
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public void setAlpha(int alpha) {
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}
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@Override
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public void setColorFilter(ColorFilter cf) {
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}
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@Override
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public int getOpacity() {
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return PixelFormat.TRANSPARENT;
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}
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@Override
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public int getIntrinsicWidth() {
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return AndroidUtilities.dp(18);
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}
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@Override
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public int getIntrinsicHeight() {
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return AndroidUtilities.dp(18);
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}
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}
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