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package de.danoeh.antennapod.dialog;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.RectF;
import android.text.format.DateFormat;
import android.view.MotionEvent;
import android.view.View;
import androidx.annotation.NonNull;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.ui.common.ThemeUtils;
import java.util.Locale;
public class TimeRangeDialog extends MaterialAlertDialogBuilder {
private final TimeRangeView view;
public TimeRangeDialog(@NonNull Context context, int from, int to) {
super(context);
view = new TimeRangeView(context, from, to);
setView(view);
setPositiveButton(android.R.string.ok, null);
}
public int getFrom() {
return view.from;
}
public int getTo() {
return view.to;
}
static class TimeRangeView extends View {
private static final int DIAL_ALPHA = 120;
private final Paint paintDial = new Paint();
private final Paint paintSelected = new Paint();
private final Paint paintText = new Paint();
private int from;
private int to;
private final RectF bounds = new RectF();
int touching = 0;
public TimeRangeView(Context context) { // Used by Android tools
this(context, 0, 0);
}
public TimeRangeView(Context context, int from, int to) {
super(context);
this.from = from;
this.to = to;
setup();
}
private void setup() {
paintDial.setAntiAlias(true);
paintDial.setStyle(Paint.Style.STROKE);
paintDial.setStrokeCap(Paint.Cap.ROUND);
paintDial.setColor(ThemeUtils.getColorFromAttr(getContext(), android.R.attr.textColorPrimary));
paintDial.setAlpha(DIAL_ALPHA);
paintSelected.setAntiAlias(true);
paintSelected.setStyle(Paint.Style.STROKE);
paintSelected.setStrokeCap(Paint.Cap.ROUND);
paintSelected.setColor(ThemeUtils.getColorFromAttr(getContext(), R.attr.colorAccent));
paintText.setAntiAlias(true);
paintText.setStyle(Paint.Style.FILL);
paintText.setColor(ThemeUtils.getColorFromAttr(getContext(), android.R.attr.textColorPrimary));
paintText.setTextAlign(Paint.Align.CENTER);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY
&& MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
} else if (MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY) {
super.onMeasure(widthMeasureSpec, widthMeasureSpec);
} else if (MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY) {
super.onMeasure(heightMeasureSpec, heightMeasureSpec);
} else if (MeasureSpec.getSize(widthMeasureSpec) < MeasureSpec.getSize(heightMeasureSpec)) {
super.onMeasure(widthMeasureSpec, widthMeasureSpec);
} else {
super.onMeasure(heightMeasureSpec, heightMeasureSpec);
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
float size = getHeight(); // square
float padding = size * 0.1f;
paintDial.setStrokeWidth(size * 0.005f);
bounds.set(padding, padding, size - padding, size - padding);
paintText.setAlpha(DIAL_ALPHA);
canvas.drawArc(bounds, 0, 360, false, paintDial);
for (int i = 0; i < 24; i++) {
paintDial.setStrokeWidth(size * 0.005f);
if (i % 6 == 0) {
paintDial.setStrokeWidth(size * 0.01f);
Point textPos = radToPoint(i / 24.0f * 360.f, size / 2 - 2.5f * padding);
paintText.setTextSize(0.4f * padding);
canvas.drawText(String.valueOf(i), textPos.x,
textPos.y + (-paintText.descent() - paintText.ascent()) / 2, paintText);
}
Point outer = radToPoint(i / 24.0f * 360.f, size / 2 - 1.7f * padding);
Point inner = radToPoint(i / 24.0f * 360.f, size / 2 - 1.9f * padding);
canvas.drawLine(outer.x, outer.y, inner.x, inner.y, paintDial);
}
paintText.setAlpha(255);
float angleFrom = (float) from / 24 * 360 - 90;
float angleDistance = (float) ((to - from + 24) % 24) / 24 * 360;
paintSelected.setStrokeWidth(padding / 6);
paintSelected.setStyle(Paint.Style.STROKE);
canvas.drawArc(bounds, angleFrom, angleDistance, false, paintSelected);
paintSelected.setStyle(Paint.Style.FILL);
Point p1 = radToPoint(angleFrom + 90, size / 2 - padding);
canvas.drawCircle(p1.x, p1.y, padding / 2, paintSelected);
Point p2 = radToPoint(angleFrom + angleDistance + 90, size / 2 - padding);
canvas.drawCircle(p2.x, p2.y, padding / 2, paintSelected);
paintText.setTextSize(0.6f * padding);
String timeRange;
if (from == to) {
timeRange = getContext().getString(R.string.sleep_timer_always);
} else if (DateFormat.is24HourFormat(getContext())) {
timeRange = String.format(Locale.getDefault(), "%02d:00 - %02d:00", from, to);
} else {
timeRange = String.format(Locale.getDefault(), "%02d:00 %s - %02d:00 %s", from % 12,
from >= 12 ? "PM" : "AM", to % 12, to >= 12 ? "PM" : "AM");
}
canvas.drawText(timeRange, size / 2, (size - paintText.descent() - paintText.ascent()) / 2, paintText);
}
protected Point radToPoint(float angle, float radius) {
return new Point((int) (getWidth() / 2 + radius * Math.sin(-angle * Math.PI / 180 + Math.PI)),
(int) (getHeight() / 2 + radius * Math.cos(-angle * Math.PI / 180 + Math.PI)));
}
@Override
public boolean onTouchEvent(MotionEvent event) {
getParent().requestDisallowInterceptTouchEvent(true);
Point center = new Point(getWidth() / 2, getHeight() / 2);
double angleRad = Math.atan2(center.y - event.getY(), center.x - event.getX());
float angle = (float) (angleRad * (180 / Math.PI));
angle += 360 + 360 - 90;
angle %= 360;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
float fromDistance = Math.abs(angle - (float) from / 24 * 360);
float toDistance = Math.abs(angle - (float) to / 24 * 360);
if (fromDistance < 15 || fromDistance > (360 - 15)) {
touching = 1;
return true;
} else if (toDistance < 15 || toDistance > (360 - 15)) {
touching = 2;
return true;
}
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
int newTime = (int) (24 * (angle / 360.0));
if (from == to && touching != 0) {
// Switch which handle is focussed such that selection is the smaller arc
touching = (((newTime - to + 24) % 24) < 12) ? 2 : 1;
}
if (touching == 1) {
from = newTime;
invalidate();
return true;
} else if (touching == 2) {
to = newTime;
invalidate();
return true;
}
} else if (touching != 0) {
touching = 0;
return true;
}
return super.onTouchEvent(event);
}
}
}
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