mirror of https://github.com/NekoX-Dev/NekoX.git
126 lines
4.2 KiB
Java
126 lines
4.2 KiB
Java
/*
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* This is the source code of Telegram for Android v. 1.7.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, 2013-2014.
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*/
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package org.telegram.ui.Components;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.view.View;
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import org.telegram.android.AndroidUtilities;
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import org.telegram.messenger.R;
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public class VideoSeekBarView extends View {
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private static Drawable thumbDrawable1;
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private static Paint innerPaint1 = new Paint();
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private static int thumbWidth;
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private static int thumbHeight;
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private int thumbDX = 0;
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private float progress = 0;
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private boolean pressed = false;
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public SeekBarDelegate delegate;
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public interface SeekBarDelegate {
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void onSeekBarDrag(float progress);
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}
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private void init(Context context) {
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if (thumbDrawable1 == null) {
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thumbDrawable1 = context.getResources().getDrawable(R.drawable.videolapse);
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innerPaint1.setColor(0x99999999);
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thumbWidth = thumbDrawable1.getIntrinsicWidth();
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thumbHeight = thumbDrawable1.getIntrinsicHeight();
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}
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}
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public VideoSeekBarView(Context context) {
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super(context);
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init(context);
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}
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public VideoSeekBarView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context);
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}
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public VideoSeekBarView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context);
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (event == null) {
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return false;
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}
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float x = event.getX();
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float y = event.getY();
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float thumbX = (int)((getMeasuredWidth() - thumbWidth) * progress);
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if (event.getAction() == MotionEvent.ACTION_DOWN) {
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int additionWidth = (getMeasuredHeight() - thumbWidth) / 2;
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if (thumbX - additionWidth <= x && x <= thumbX + thumbWidth + additionWidth && y >= 0 && y <= getMeasuredHeight()) {
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pressed = true;
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thumbDX = (int)(x - thumbX);
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getParent().requestDisallowInterceptTouchEvent(true);
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invalidate();
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return true;
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}
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} else if (event.getAction() == MotionEvent.ACTION_UP || event.getAction() == MotionEvent.ACTION_CANCEL) {
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if (pressed) {
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if (event.getAction() == MotionEvent.ACTION_UP && delegate != null) {
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delegate.onSeekBarDrag(thumbX / (float)(getMeasuredWidth() - thumbWidth));
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}
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pressed = false;
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invalidate();
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return true;
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}
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} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
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if (pressed) {
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thumbX = (int)(x - thumbDX);
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if (thumbX < 0) {
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thumbX = 0;
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} else if (thumbX > getMeasuredWidth() - thumbWidth) {
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thumbX = getMeasuredWidth() - thumbWidth;
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}
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progress = thumbX / (getMeasuredWidth() - thumbWidth);
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invalidate();
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return true;
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}
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}
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return false;
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}
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public void setProgress(float progress) {
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if (progress < 0) {
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progress = 0;
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} else if (progress > 1) {
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progress = 1;
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}
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this.progress = progress;
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invalidate();
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}
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public float getProgress() {
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return progress;
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}
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@Override
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protected void onDraw(Canvas canvas) {
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int y = (getMeasuredHeight() - thumbHeight) / 2;
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int thumbX = (int)((getMeasuredWidth() - thumbWidth) * progress);
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canvas.drawRect(thumbWidth / 2, getMeasuredHeight() / 2 - AndroidUtilities.dp(1), getMeasuredWidth() - thumbWidth / 2, getMeasuredHeight() / 2 + AndroidUtilities.dp(1), innerPaint1);
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thumbDrawable1.setBounds(thumbX, y, thumbX + thumbWidth, y + thumbHeight);
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thumbDrawable1.draw(canvas);
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}
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}
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