mirror of https://github.com/NekoX-Dev/NekoX.git
249 lines
9.3 KiB
Java
249 lines
9.3 KiB
Java
/*
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* This is the source code of Telegram for Android v. 5.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, 2013-2018.
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*/
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package org.telegram.ui.Cells;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.drawable.Drawable;
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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.Spanned;
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import android.text.StaticLayout;
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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.MotionEvent;
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import android.view.View;
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import android.view.accessibility.AccessibilityNodeInfo;
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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.LocaleController;
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import org.telegram.messenger.MessageObject;
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import org.telegram.messenger.FileLog;
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import org.telegram.messenger.R;
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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.TypefaceSpan;
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import org.telegram.ui.Components.URLSpanNoUnderline;
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public class BotHelpCell extends View {
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private StaticLayout textLayout;
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private String oldText;
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private int width;
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private int height;
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private int textX;
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private int textY;
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public boolean wasDraw;
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private ClickableSpan pressedLink;
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private LinkPath urlPath = new LinkPath();
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private BotHelpCellDelegate delegate;
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private boolean animating;
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public interface BotHelpCellDelegate {
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void didPressUrl(String url);
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}
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public BotHelpCell(Context context) {
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super(context);
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}
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public void setDelegate(BotHelpCellDelegate 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 setText(String text) {
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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 && text.equals(oldText)) {
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return;
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}
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oldText = text;
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setVisibility(VISIBLE);
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int maxWidth;
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if (AndroidUtilities.isTablet()) {
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maxWidth = (int) (AndroidUtilities.getMinTabletSide() * 0.7f);
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} else {
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maxWidth = (int) (Math.min(AndroidUtilities.displaySize.x, AndroidUtilities.displaySize.y) * 0.7f);
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}
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String[] lines = text.split("\n");
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SpannableStringBuilder stringBuilder = new SpannableStringBuilder();
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String help = LocaleController.getString("BotInfoTitle", R.string.BotInfoTitle);
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stringBuilder.append(help);
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stringBuilder.append("\n\n");
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for (int a = 0; a < lines.length; a++) {
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stringBuilder.append(lines[a].trim());
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if (a != lines.length - 1) {
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stringBuilder.append("\n");
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}
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}
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MessageObject.addLinks(false, stringBuilder);
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stringBuilder.setSpan(new TypefaceSpan(AndroidUtilities.getTypeface("fonts/rmedium.ttf")), 0, help.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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Emoji.replaceEmoji(stringBuilder, Theme.chat_msgTextPaint.getFontMetricsInt(), AndroidUtilities.dp(20), false);
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try {
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textLayout = new StaticLayout(stringBuilder, Theme.chat_msgTextPaint, maxWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
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width = 0;
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height = textLayout.getHeight() + AndroidUtilities.dp(4 + 18);
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int count = textLayout.getLineCount();
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for (int a = 0; a < count; a++) {
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width = (int) Math.ceil(Math.max(width, textLayout.getLineWidth(a) + textLayout.getLineLeft(a)));
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}
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if (width > maxWidth) {
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width = maxWidth;
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}
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} catch (Exception e) {
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FileLog.e(e);
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}
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width += AndroidUtilities.dp(4 + 18);
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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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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(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(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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if (delegate != null) {
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delegate.didPressUrl(((URLSpan) pressedLink).getURL());
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}
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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(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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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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setMeasuredDimension(MeasureSpec.makeMeasureSpec(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.EXACTLY), height + AndroidUtilities.dp(8));
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}
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@Override
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protected void onDraw(Canvas canvas) {
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int x = (getWidth() - width) / 2;
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int y = AndroidUtilities.dp(2);
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Drawable shadowDrawable = Theme.chat_msgInMediaDrawable.getShadowDrawable();
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if (shadowDrawable != null) {
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shadowDrawable.setBounds(x, y, width + x, height + y);
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shadowDrawable.draw(canvas);
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}
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int h = AndroidUtilities.displaySize.y;
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if (getParent() instanceof View) {
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View view = (View) getParent();
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h = view.getMeasuredHeight();
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}
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Theme.chat_msgInMediaDrawable.setTop((int) getY(), h, false, false);
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Theme.chat_msgInMediaDrawable.setBounds(x, y, width + x, height + y);
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Theme.chat_msgInMediaDrawable.draw(canvas);
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Theme.chat_msgTextPaint.setColor(Theme.getColor(Theme.key_chat_messageTextIn));
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Theme.chat_msgTextPaint.linkColor = Theme.getColor(Theme.key_chat_messageLinkIn);
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canvas.save();
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canvas.translate(textX = AndroidUtilities.dp(2 + 9) + x, textY = AndroidUtilities.dp(2 + 9) + y);
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if (pressedLink != null) {
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canvas.drawPath(urlPath, Theme.chat_urlPaint);
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}
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if (textLayout != null) {
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textLayout.draw(canvas);
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}
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canvas.restore();
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wasDraw = true;
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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wasDraw = false;
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}
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@Override
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public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
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super.onInitializeAccessibilityNodeInfo(info);
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info.setText(textLayout.getText());
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}
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public boolean animating() {
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return animating;
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}
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public void setAnimating(boolean animating) {
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this.animating = animating;
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}
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}
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