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Code Issues Packages Projects Releases Wiki Activity

Refactoring

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This commit is contained in:
M66B
2022-10-22 21:00:46 +02:00
parent 95b3d39c4c
commit d5087bbbcf
2 changed files with 146 additions and 148 deletions
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143
app/src/main/java/eu/faircode/email/ProtectedContent.java
View File

@@ -21,6 +21,10 @@ package eu.faircode.email;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
@@ -40,16 +44,22 @@ import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.core.content.ContextCompat;
import androidx.lifecycle.LifecycleOwner;
import com.google.android.material.textfield.TextInputLayout;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import java.io.ByteArrayOutputStream;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.security.InvalidAlgorithmParameterException;
@@ -318,4 +328,137 @@ public class ProtectedContent {
return dialog;
}
}
public static void showDialogEncrypt(Context context, LifecycleOwner owner, EditText etBody) {
View dview = LayoutInflater.from(context).inflate(R.layout.dialog_password_protect, null);
TextInputLayout tilPassword1 = dview.findViewById(R.id.tilPassword1);
TextInputLayout tilPassword2 = dview.findViewById(R.id.tilPassword2);
Button btnInfo = dview.findViewById(R.id.btnInfo);
btnInfo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Helper.viewFAQ(v.getContext(), 184);
}
});
AlertDialog dialog = new AlertDialog.Builder(context)
.setView(dview)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
int start = etBody.getSelectionStart();
int end = etBody.getSelectionEnd();
boolean selection = (start >= 0 && start < end);
if (selection) {
Editable edit = etBody.getText();
Bundle args = new Bundle();
args.putCharSequence("text", edit.subSequence(start, end));
args.putString("password", tilPassword1.getEditText().getText().toString());
args.putInt("start", start);
args.putInt("end", end);
new SimpleTask<Uri>() {
@Override
protected Uri onExecute(Context context, Bundle args) throws Throwable {
Spanned text = (Spanned) args.getCharSequence("text");
String password = args.getString("password");
String html = getContent(context, text);
return ProtectedContent.toUri(context, html, password);
}
@Override
protected void onExecuted(Bundle args, Uri uri) {
if (etBody.getSelectionStart() != start ||
etBody.getSelectionEnd() != end)
return;
String title = context.getString(R.string.title_decrypt);
edit.delete(start, end);
edit.insert(start, title);
edit.setSpan(new URLSpan(uri.toString()), start, start + title.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
etBody.setSelection(start + title.length());
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.e(ex);
ToastEx.makeText(context, ex.toString(), Toast.LENGTH_LONG).show();
}
}.execute(context, owner, args, "protect");
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
// WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
dialog.show();
Button btnOk = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
TextWatcher w = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// Do nothing
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Do nothing
}
@Override
public void afterTextChanged(Editable s) {
String p1 = tilPassword1.getEditText().getText().toString();
String p2 = tilPassword2.getEditText().getText().toString();
btnOk.setEnabled(!TextUtils.isEmpty(p1) && p1.equals(p2));
tilPassword2.setHint(!TextUtils.isEmpty(p2) && !p2.equals(p1)
? R.string.title_setup_password_different
: R.string.title_setup_password_repeat);
}
};
tilPassword1.getEditText().addTextChangedListener(w);
tilPassword2.getEditText().addTextChangedListener(w);
w.afterTextChanged(null);
tilPassword2.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
btnOk.performClick();
return true;
} else
return false;
}
});
}
static String getContent(Context context, Spanned text) {
Drawable d = ContextCompat.getDrawable(context, R.drawable.twotone_image_24);
d.setTint(Color.GRAY);
Bitmap bm = Bitmap.createBitmap(24, 24, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(bm);
d.setBounds(0, 0, c.getWidth(), c.getHeight());
d.draw(c);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, bos);
StringBuilder sb = new StringBuilder();
sb.append("data:image/png;base64,");
sb.append(Base64.encodeToString(bos.toByteArray(), Base64.NO_WRAP));
String html = HtmlHelper.toHtml(text, context);
Document doc = JsoupEx.parse(html);
for (Element img : doc.select("img"))
img.attr("src", sb.toString());
return doc.body().html();
}
}

151
app/src/main/java/eu/faircode/email/StyleHelper.java
View File

@@ -23,14 +23,9 @@ import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.text.Editable;
import android.text.Layout;
import android.text.NoCopySpan;
@@ -39,7 +34,6 @@ import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextPaint;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.text.style.AlignmentSpan;
import android.text.style.BackgroundColorSpan;
import android.text.style.BulletSpan;
@@ -53,24 +47,16 @@ import android.text.style.StyleSpan;
import android.text.style.TypefaceSpan;
import android.text.style.URLSpan;
import android.text.style.UnderlineSpan;
import android.util.Base64;
import android.util.Pair;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.EditorInfo;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.widget.PopupMenu;
import androidx.core.content.ContextCompat;
import androidx.core.content.res.ResourcesCompat;
import androidx.lifecycle.LifecycleOwner;
import androidx.preference.PreferenceManager;
@@ -78,12 +64,7 @@ import androidx.preference.PreferenceManager;
import com.flask.colorpicker.ColorPickerView;
import com.flask.colorpicker.builder.ColorPickerClickListener;
import com.flask.colorpicker.builder.ColorPickerDialogBuilder;
import com.google.android.material.textfield.TextInputLayout;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
@@ -577,7 +558,8 @@ public class StyleHelper {
if (end - start > ProtectedContent.MAX_PROTECTED_TEXT) {
toolong = true;
} else {
String html = getProtectedContent((Spanned) edit.subSequence(start, end));
Spanned text = (Spanned) edit.subSequence(start, end);
String html = ProtectedContent.getContent(context, text);
if (html.length() > ProtectedContent.MAX_PROTECTED_TEXT)
toolong = true;
}
@@ -586,138 +568,11 @@ public class StyleHelper {
return true;
}
View dview = LayoutInflater.from(context).inflate(R.layout.dialog_password_protect, null);
TextInputLayout tilPassword1 = dview.findViewById(R.id.tilPassword1);
TextInputLayout tilPassword2 = dview.findViewById(R.id.tilPassword2);
Button btnInfo = dview.findViewById(R.id.btnInfo);
btnInfo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Helper.viewFAQ(v.getContext(), 184);
}
});
AlertDialog dialog = new AlertDialog.Builder(context)
.setView(dview)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
int start = etBody.getSelectionStart();
int end = etBody.getSelectionEnd();
boolean selection = (start >= 0 && start < end);
if (selection) {
Bundle args = new Bundle();
args.putCharSequence("text", edit.subSequence(start, end));
args.putString("password", tilPassword1.getEditText().getText().toString());
args.putInt("start", start);
args.putInt("end", end);
new SimpleTask<Uri>() {
@Override
protected Uri onExecute(Context context, Bundle args) throws Throwable {
Spanned text = (Spanned) args.getCharSequence("text");
String password = args.getString("password");
String html = getProtectedContent(text);
return ProtectedContent.toUri(context, html, password);
}
@Override
protected void onExecuted(Bundle args, Uri uri) {
if (etBody.getSelectionStart() != start ||
etBody.getSelectionEnd() != end)
return;
String title = context.getString(R.string.title_decrypt);
edit.delete(start, end);
edit.insert(start, title);
edit.setSpan(new URLSpan(uri.toString()), start, start + title.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
etBody.setSelection(start + title.length());
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.e(ex);
ToastEx.makeText(context, ex.toString(), Toast.LENGTH_LONG).show();
}
}.execute(context, owner, args, "protect");
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
// WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE
dialog.show();
Button btnOk = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
TextWatcher w = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// Do nothing
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Do nothing
}
@Override
public void afterTextChanged(Editable s) {
String p1 = tilPassword1.getEditText().getText().toString();
String p2 = tilPassword2.getEditText().getText().toString();
btnOk.setEnabled(!TextUtils.isEmpty(p1) && p1.equals(p2));
tilPassword2.setHint(!TextUtils.isEmpty(p2) && !p2.equals(p1)
? R.string.title_setup_password_different
: R.string.title_setup_password_repeat);
}
};
tilPassword1.getEditText().addTextChangedListener(w);
tilPassword2.getEditText().addTextChangedListener(w);
w.afterTextChanged(null);
tilPassword2.getEditText().setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
btnOk.performClick();
return true;
} else
return false;
}
});
ProtectedContent.showDialogEncrypt(context, owner, etBody);
return true;
}
private String getProtectedContent(Spanned text) {
Drawable d = ContextCompat.getDrawable(context, R.drawable.twotone_image_24);
d.setTint(Color.GRAY);
Bitmap bm = Bitmap.createBitmap(24, 24, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(bm);
d.setBounds(0, 0, c.getWidth(), c.getHeight());
d.draw(c);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.PNG, 100, bos);
StringBuilder sb = new StringBuilder();
sb.append("data:image/png;base64,");
sb.append(Base64.encodeToString(bos.toByteArray(), Base64.NO_WRAP));
String html = HtmlHelper.toHtml(text, context);
Document doc = JsoupEx.parse(html);
for (Element img : doc.select("img"))
img.attr("src", sb.toString());
return doc.body().html();
}
private boolean setCode(MenuItem item) {
Log.breadcrumb("style", "action", "code");
_setSize(HtmlHelper.FONT_SMALL);