mirror of https://github.com/M66B/FairEmail.git
374 lines
16 KiB
Java
374 lines
16 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2022 by Marcel Bokhorst (M66B)
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*/
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import android.app.Dialog;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.SharedPreferences;
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import android.graphics.Typeface;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.os.Bundle;
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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.method.ArrowKeyMovementMethod;
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import android.text.style.ForegroundColorSpan;
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import android.text.style.ImageSpan;
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import android.text.style.RelativeSizeSpan;
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import android.text.style.StyleSpan;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.ImageButton;
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import android.widget.Spinner;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AlertDialog;
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import androidx.core.content.ContextCompat;
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import androidx.preference.PreferenceManager;
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import org.jsoup.nodes.Document;
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import java.io.File;
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import java.io.IOException;
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import java.util.List;
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import java.util.Locale;
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public class FragmentDialogTranslate extends FragmentDialogBase {
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@NonNull
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@Override
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public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
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final Context context = getContext();
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final View view = LayoutInflater.from(context).inflate(R.layout.dialog_translate, null);
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final ImageButton ibAll = view.findViewById(R.id.ibAll);
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final Spinner spLanguage = view.findViewById(R.id.spLanguage);
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final TextView tvText = view.findViewById(R.id.tvText);
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final ContentLoadingProgressBar pbWait = view.findViewById(R.id.pbWait);
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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boolean compact = prefs.getBoolean("compact", false);
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int zoom = prefs.getInt("view_zoom", compact ? 0 : 1);
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int message_zoom = prefs.getInt("message_zoom", 100);
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float textSize = Helper.getTextSize(context, zoom) * message_zoom / 100f;
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tvText.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
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ibAll.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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DeepL.Language language = (DeepL.Language) spLanguage.getSelectedItem();
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if (language == null)
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return;
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Bundle args = new Bundle();
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args.putLong("id", getArguments().getLong("id"));
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args.putString("target", language.target);
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new SimpleTask<DeepL.Translation>() {
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@Override
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protected void onPreExecute(Bundle args) {
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ibAll.setEnabled(false);
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}
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@Override
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protected void onPostExecute(Bundle args) {
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ibAll.setEnabled(true);
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}
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@Override
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protected DeepL.Translation onExecute(Context context, Bundle args) throws Throwable {
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long id = args.getLong("id");
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String target = args.getString("target");
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String text = processMessage(id, context);
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return DeepL.translate(text, false, target, context);
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}
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@Override
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protected void onExecuted(Bundle args, DeepL.Translation translation) {
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int textColorPrimary = Helper.resolveColor(context, android.R.attr.textColorPrimary);
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SpannableStringBuilder ssb = new SpannableStringBuilderEx(translation.translated_text);
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new ForegroundColorSpan(textColorPrimary), 0, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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Locale source = Locale.forLanguageTag(translation.detected_language);
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Locale target = Locale.forLanguageTag(args.getString("target"));
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String lang = "[" + source.getDisplayLanguage(target) + "]\n\n";
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ssb.insert(0, lang);
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), 0, lang.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), 0, lang.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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tvText.setText(ssb);
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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Log.unexpectedError(getParentFragmentManager(), ex, !(ex instanceof IOException));
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}
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}.execute(FragmentDialogTranslate.this, args, "translate:all");
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}
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});
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List<DeepL.Language> languages = DeepL.getTargetLanguages(context, false);
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ArrayAdapter<DeepL.Language> adapter = new ArrayAdapter<DeepL.Language>(context, android.R.layout.simple_spinner_item, android.R.id.text1, languages) {
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@NonNull
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@Override
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public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
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return _getView(position, super.getView(position, convertView, parent));
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}
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@Override
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public View getDropDownView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
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return _getView(position, super.getDropDownView(position, convertView, parent));
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}
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private View _getView(int position, View view) {
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DeepL.Language language = getItem(position);
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if (language != null && language.icon != null && language.name != null) {
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TextView tv = view.findViewById(android.R.id.text1);
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Drawable icon = ContextCompat.getDrawable(context, language.icon);
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int iconSize = context.getResources()
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.getDimensionPixelSize(R.dimen.menu_item_icon_size);
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icon.setBounds(0, 0, iconSize, iconSize);
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ImageSpan imageSpan = new CenteredImageSpan(icon);
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SpannableStringBuilder ssb = new SpannableStringBuilderEx(language.name);
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ssb.insert(0, "\uFFFC\u2002"); // object replacement character, en space
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ssb.setSpan(imageSpan, 0, 1, 0);
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tv.setText(ssb);
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}
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return view;
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}
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};
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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spLanguage.setAdapter(adapter);
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String current = prefs.getString("deepl_target", null);
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for (int pos = 0; pos < languages.size(); pos++)
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if (languages.get(pos).target.equals(current)) {
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spLanguage.setSelection(pos);
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break;
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}
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spLanguage.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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prefs.edit().putString("deepl_target", languages.get(position).target).apply();
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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prefs.edit().remove("deepl_target").apply();
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}
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});
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tvText.setText(null);
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new SimpleTask<String>() {
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@Override
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protected void onPreExecute(Bundle args) {
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pbWait.setVisibility(View.VISIBLE);
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}
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@Override
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protected void onPostExecute(Bundle args) {
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pbWait.setVisibility(View.GONE);
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}
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@Override
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protected String onExecute(Context context, Bundle args) throws Throwable {
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long id = args.getLong("id");
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return processMessage(id, context);
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}
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@Override
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protected void onExecuted(Bundle args, String text) {
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tvText.setText(text);
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tvText.setMovementMethod(new ArrowKeyMovementMethod() {
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@Override
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public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
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if (event.getAction() == MotionEvent.ACTION_UP)
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translate(widget, buffer, event);
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return super.onTouchEvent(widget, buffer, event);
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}
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private void translate(TextView widget, Spannable buffer, MotionEvent event) {
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int off = Helper.getOffset(widget, buffer, event);
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if (off < 0)
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return;
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int start = off;
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while (start > 0 && buffer.charAt(start - 1) != '\n')
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start--;
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int end = off;
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while (end < buffer.length() && buffer.charAt(end - 1) != '\n')
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end++;
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if (end <= start)
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return;
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StyleSpan[] spans = buffer.getSpans(start, end, StyleSpan.class);
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if (spans != null && spans.length > 0)
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return;
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final StyleSpan mark = new StyleSpan(Typeface.ITALIC);
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buffer.setSpan(mark, start, end, 0);
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DeepL.Language language = (DeepL.Language) spLanguage.getSelectedItem();
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if (language == null)
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return;
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Bundle args = new Bundle();
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args.putString("target", language.target);
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args.putString("text", buffer.subSequence(start, end).toString());
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new SimpleTask<DeepL.Translation>() {
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@Override
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protected void onPreExecute(Bundle args) {
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pbWait.setVisibility(View.VISIBLE);
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}
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@Override
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protected void onPostExecute(Bundle args) {
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pbWait.setVisibility(View.GONE);
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}
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@Override
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protected DeepL.Translation onExecute(Context context, Bundle args) throws Throwable {
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String text = args.getString("text");
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String target = args.getString("target");
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return DeepL.translate(text, false, target, context);
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}
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@Override
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protected void onExecuted(Bundle args, DeepL.Translation translation) {
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SpannableStringBuilder ssb = new SpannableStringBuilderEx(tvText.getText());
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int start = ssb.getSpanStart(mark);
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int end = ssb.getSpanEnd(mark);
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int textColorPrimary = Helper.resolveColor(context, android.R.attr.textColorPrimary);
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ssb.removeSpan(mark);
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ssb = ssb.replace(start, end, translation.translated_text);
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end = start + translation.translated_text.length();
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new ForegroundColorSpan(textColorPrimary), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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Locale source = Locale.forLanguageTag(translation.detected_language);
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Locale target = Locale.forLanguageTag(args.getString("target"));
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String lang = "[" + source.getDisplayLanguage(target) + "] ";
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ssb.insert(start, lang);
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), start, start + lang.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(HtmlHelper.FONT_SMALL), start, start + lang.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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tvText.setText(ssb);
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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SpannableStringBuilder ssb = new SpannableStringBuilderEx(tvText.getText());
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ssb.removeSpan(mark);
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tvText.setText(ssb);
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Log.unexpectedError(getParentFragmentManager(), ex, !(ex instanceof IOException));
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}
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}.execute(FragmentDialogTranslate.this, args, "paragraph:translate");
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}
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});
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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tvText.setText(ex.toString());
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}
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}.execute(this, getArguments(), "message:translate");
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AlertDialog.Builder builder = new AlertDialog.Builder(context)
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.setView(view)
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.setPositiveButton(android.R.string.cancel, null)
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.setNeutralButton(R.string.title_copy_btn, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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String html = HtmlHelper.toHtml((Spanned) tvText.getText(), context);
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String text = HtmlHelper.getText(context, html);
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ClipboardManager cbm = Helper.getSystemService(context, ClipboardManager.class);
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cbm.setPrimaryClip(ClipData.newHtmlText(getString(R.string.app_name), text, html));
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU)
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ToastEx.makeText(context, R.string.title_clipboard_copied, Toast.LENGTH_LONG).show();
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}
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});
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return builder.create();
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}
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private static String processMessage(long id, Context context) throws IOException {
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DB db = DB.getInstance(context);
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EntityMessage message = db.message().getMessage(id);
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File file = EntityMessage.getFile(context, id);
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String html = Helper.readText(file);
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Document d = HtmlHelper.sanitizeCompose(context, html, false);
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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boolean remove_signatures = prefs.getBoolean("remove_signatures", false);
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if (remove_signatures)
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HtmlHelper.removeSignatures(d);
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d.select("blockquote").remove();
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HtmlHelper.truncate(d, HtmlHelper.MAX_TRANSLATABLE_TEXT_SIZE);
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SpannableStringBuilder ssb = HtmlHelper.fromDocument(context, d, null, null);
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if (message != null && message.subject != null) {
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ssb.insert(0, "\n\n");
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ssb.insert(0, message.subject);
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}
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return ssb.toString()
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.replace("\uFFFC", "") // Object replacement character
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.replaceAll("\n\\s+\n", "\n")
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.replaceAll("\n+", "\n\n");
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}
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}
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