mirror of https://github.com/NekoX-Dev/NekoX.git
202 lines
7.9 KiB
Java
202 lines
7.9 KiB
Java
/*
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* This is the source code of Telegram for Android v. 3.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, 2013-2016.
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*/
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package org.telegram.ui.Cells;
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import android.annotation.SuppressLint;
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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.os.Build;
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import android.text.Layout;
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import android.text.Spannable;
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import android.text.SpannableStringBuilder;
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import android.text.StaticLayout;
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import android.text.TextPaint;
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import android.text.style.ClickableSpan;
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import android.text.style.URLSpan;
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import android.view.Gravity;
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import android.view.MotionEvent;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import org.telegram.messenger.AndroidUtilities;
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import org.telegram.messenger.Emoji;
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import org.telegram.messenger.FileLog;
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import org.telegram.messenger.LocaleController;
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import org.telegram.messenger.MessageObject;
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import org.telegram.messenger.browser.Browser;
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import org.telegram.ui.Components.LayoutHelper;
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import org.telegram.ui.Components.LinkPath;
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import org.telegram.ui.ActionBar.Theme;
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import org.telegram.ui.Components.URLSpanNoUnderline;
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public class AboutLinkCell extends FrameLayout {
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private StaticLayout textLayout;
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private TextPaint textPaint;
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private Paint urlPaint;
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private String oldText;
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private int textX;
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private int textY;
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private SpannableStringBuilder stringBuilder;
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private ImageView imageView;
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private ClickableSpan pressedLink;
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private LinkPath urlPath = new LinkPath();
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private AboutLinkCellDelegate delegate;
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public interface AboutLinkCellDelegate {
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void didPressUrl(String url);
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}
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public AboutLinkCell(Context context) {
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super(context);
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textPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
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textPaint.setTextSize(AndroidUtilities.dp(16));
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textPaint.setColor(0xff000000);
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textPaint.linkColor = Theme.MSG_LINK_TEXT_COLOR;
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urlPaint = new Paint();
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urlPaint.setColor(Theme.MSG_LINK_SELECT_BACKGROUND_COLOR);
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imageView = new ImageView(context);
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imageView.setScaleType(ImageView.ScaleType.CENTER);
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addView(imageView, LayoutHelper.createFrame(LayoutHelper.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 0 : 16, 5, LocaleController.isRTL ? 16 : 0, 0));
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setWillNotDraw(false);
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}
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public void setDelegate(AboutLinkCellDelegate botHelpCellDelegate) {
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delegate = botHelpCellDelegate;
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}
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private void resetPressedLink() {
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if (pressedLink != null) {
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pressedLink = null;
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}
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invalidate();
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}
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public void setTextAndIcon(String text, int resId) {
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if (text == null || text.length() == 0) {
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setVisibility(GONE);
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return;
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}
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if (text != null && oldText != null && text.equals(oldText)) {
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return;
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}
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oldText = text;
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stringBuilder = new SpannableStringBuilder(oldText);
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MessageObject.addLinks(stringBuilder, false);
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Emoji.replaceEmoji(stringBuilder, textPaint.getFontMetricsInt(), AndroidUtilities.dp(20), false);
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requestLayout();
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if (resId == 0) {
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imageView.setImageDrawable(null);
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} else {
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imageView.setImageResource(resId);
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}
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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float x = event.getX();
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float y = event.getY();
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if (Build.VERSION.SDK_INT >= 21 && getBackground() != null) {
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if (event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE) {
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getBackground().setHotspot(x, y);
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}
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}
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boolean result = false;
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if (textLayout != null) {
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if (event.getAction() == MotionEvent.ACTION_DOWN || pressedLink != null && event.getAction() == MotionEvent.ACTION_UP) {
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if (event.getAction() == MotionEvent.ACTION_DOWN) {
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resetPressedLink();
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try {
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int x2 = (int) (x - textX);
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int y2 = (int) (y - textY);
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final int line = textLayout.getLineForVertical(y2);
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final int off = textLayout.getOffsetForHorizontal(line, x2);
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final float left = textLayout.getLineLeft(line);
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if (left <= x2 && left + textLayout.getLineWidth(line) >= x2) {
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Spannable buffer = (Spannable) textLayout.getText();
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ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
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if (link.length != 0) {
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resetPressedLink();
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pressedLink = link[0];
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result = true;
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try {
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int start = buffer.getSpanStart(pressedLink);
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urlPath.setCurrentLayout(textLayout, start, 0);
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textLayout.getSelectionPath(start, buffer.getSpanEnd(pressedLink), urlPath);
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} catch (Exception e) {
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FileLog.e("tmessages", e);
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}
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} else {
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resetPressedLink();
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}
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} else {
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resetPressedLink();
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}
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} catch (Exception e) {
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resetPressedLink();
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FileLog.e("tmessages", e);
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}
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} else if (pressedLink != null) {
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try {
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if (pressedLink instanceof URLSpanNoUnderline) {
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String url = ((URLSpanNoUnderline) pressedLink).getURL();
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if (url.startsWith("@") || url.startsWith("#") || url.startsWith("/")) {
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if (delegate != null) {
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delegate.didPressUrl(url);
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}
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}
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} else {
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if (pressedLink instanceof URLSpan) {
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Browser.openUrl(getContext(), ((URLSpan) pressedLink).getURL());
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} else {
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pressedLink.onClick(this);
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}
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}
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} catch (Exception e) {
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FileLog.e("tmessages", e);
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}
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resetPressedLink();
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result = true;
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}
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} else if (event.getAction() == MotionEvent.ACTION_CANCEL) {
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resetPressedLink();
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}
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}
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return result || super.onTouchEvent(event);
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}
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@SuppressLint("DrawAllocation")
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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textLayout = new StaticLayout(stringBuilder, textPaint, MeasureSpec.getSize(widthMeasureSpec) - AndroidUtilities.dp(71 + 16), Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
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super.onMeasure(MeasureSpec.makeMeasureSpec(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(textLayout.getHeight() + AndroidUtilities.dp(16), MeasureSpec.EXACTLY));
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}
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@Override
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protected void onDraw(Canvas canvas) {
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canvas.save();
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canvas.translate(textX = AndroidUtilities.dp(LocaleController.isRTL ? 16 : 71), textY = AndroidUtilities.dp(8));
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if (pressedLink != null) {
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canvas.drawPath(urlPath, urlPaint);
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}
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textLayout.draw(canvas);
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canvas.restore();
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}
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}
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