130 lines
4.0 KiB
Java
130 lines
4.0 KiB
Java
package org.thoughtcrime.securesms.conversation.v2.components;
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import android.content.Context;
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import android.util.AttributeSet;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import org.session.libsession.utilities.Util;
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import java.lang.ref.WeakReference;
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import java.util.concurrent.TimeUnit;
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import network.loki.messenger.R;
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public class ExpirationTimerView extends androidx.appcompat.widget.AppCompatImageView {
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private long startedAt;
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private long expiresIn;
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private boolean visible = false;
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private boolean stopped = true;
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private final int[] frames = new int[]{ R.drawable.timer00,
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R.drawable.timer05,
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R.drawable.timer10,
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R.drawable.timer15,
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R.drawable.timer20,
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R.drawable.timer25,
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R.drawable.timer30,
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R.drawable.timer35,
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R.drawable.timer40,
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R.drawable.timer45,
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R.drawable.timer50,
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R.drawable.timer55,
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R.drawable.timer60 };
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public ExpirationTimerView(Context context) {
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super(context);
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}
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public ExpirationTimerView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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public ExpirationTimerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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public void setExpirationTime(long startedAt, long expiresIn) {
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this.startedAt = startedAt;
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this.expiresIn = expiresIn;
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setPercentComplete(calculateProgress(this.startedAt, this.expiresIn));
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}
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public void setPercentComplete(float percentage) {
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float percentFull = 1 - percentage;
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int frame = (int) Math.ceil(percentFull * (frames.length - 1));
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frame = Math.max(0, Math.min(frame, frames.length - 1));
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setImageResource(frames[frame]);
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}
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public void startAnimation() {
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synchronized (this) {
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visible = true;
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if (!stopped) return;
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else stopped = false;
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}
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Util.runOnMainDelayed(new AnimationUpdateRunnable(this), calculateAnimationDelay(this.startedAt, this.expiresIn));
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}
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public void stopAnimation() {
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synchronized (this) {
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visible = false;
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}
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}
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private float calculateProgress(long startedAt, long expiresIn) {
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long progressed = System.currentTimeMillis() - startedAt;
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float percentComplete = (float)progressed / (float)expiresIn;
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return Math.max(0, Math.min(percentComplete, 1));
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}
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private long calculateAnimationDelay(long startedAt, long expiresIn) {
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long progressed = System.currentTimeMillis() - startedAt;
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long remaining = expiresIn - progressed;
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if (remaining <= 0) {
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return 0;
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} else if (remaining < TimeUnit.SECONDS.toMillis(30)) {
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return 1000;
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} else {
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return 5000;
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}
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}
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private static class AnimationUpdateRunnable implements Runnable {
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private final WeakReference<ExpirationTimerView> expirationTimerViewReference;
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private AnimationUpdateRunnable(@NonNull ExpirationTimerView expirationTimerView) {
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this.expirationTimerViewReference = new WeakReference<>(expirationTimerView);
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}
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@Override
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public void run() {
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ExpirationTimerView timerView = expirationTimerViewReference.get();
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if (timerView == null) return;
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long nextUpdate = timerView.calculateAnimationDelay(timerView.startedAt, timerView.expiresIn);
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synchronized (timerView) {
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if (timerView.visible) {
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timerView.setExpirationTime(timerView.startedAt, timerView.expiresIn);
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} else {
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timerView.stopped = true;
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return;
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}
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if (nextUpdate <= 0) {
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timerView.stopped = true;
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return;
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}
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}
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Util.runOnMainDelayed(this, nextUpdate);
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}
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}
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}
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