NekoX/TMessagesProj/src/main/java/org/telegram/ui/Components/RecordStatusDrawable.java

111 lines
2.7 KiB
Java

/*
* This is the source code of Telegram for Android v. 2.x
* It is licensed under GNU GPL v. 2 or later.
* You should have received a copy of the license in this archive (see LICENSE).
*
* Copyright Nikolai Kudashov, 2013-2015.
*/
package org.telegram.ui.Components;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import org.telegram.messenger.AndroidUtilities;
public class RecordStatusDrawable extends Drawable {
private boolean isChat = false;
private Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
private long lastUpdateTime = 0;
private boolean started = false;
private RectF rect = new RectF();
private float progress;
public RecordStatusDrawable() {
super();
paint.setColor(0xffd7e8f7);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(AndroidUtilities.dp(2));
paint.setStrokeCap(Paint.Cap.ROUND);
}
public void setIsChat(boolean value) {
isChat = value;
}
private void update() {
long newTime = System.currentTimeMillis();
long dt = newTime - lastUpdateTime;
lastUpdateTime = newTime;
if (dt > 50) {
dt = 50;
}
progress += dt / 300.0f;
while (progress > 1.0f) {
progress -= 1.0f;
}
invalidateSelf();
}
public void start() {
lastUpdateTime = System.currentTimeMillis();
started = true;
invalidateSelf();
}
public void stop() {
started = false;
}
@Override
public void draw(Canvas canvas) {
canvas.save();
canvas.translate(0, getIntrinsicHeight() / 2 + AndroidUtilities.dp(isChat ? 1 : 2));
for (int a = 0; a < 4; a++) {
if (a == 0) {
paint.setAlpha((int) (255 * progress));
} else if (a == 3) {
paint.setAlpha((int) (255 * (1.0f - progress)));
} else {
paint.setAlpha(255);
}
float side = AndroidUtilities.dp(4) * a + AndroidUtilities.dp(4) * progress;
rect.set(-side, -side, side, side);
canvas.drawArc(rect, -15, 30, false, paint);
}
canvas.restore();
if (started) {
update();
}
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return 0;
}
@Override
public int getIntrinsicWidth() {
return AndroidUtilities.dp(18);
}
@Override
public int getIntrinsicHeight() {
return AndroidUtilities.dp(14);
}
}