remove unused CopyTextView

after removing the ability to select and copy text the transformation methods
provided by CopyTextView are no longer necessary.

src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java

@@ -65,7 +65,6 @@ import eu.siacs.conversations.ui.util.AvatarWorkerTask;
 import eu.siacs.conversations.ui.util.MyLinkify;
 import eu.siacs.conversations.ui.util.ViewUtil;
 import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
-import eu.siacs.conversations.ui.widget.CopyTextView;
 import eu.siacs.conversations.utils.CryptoHelper;
 import eu.siacs.conversations.utils.EmojiWrapper;
 import eu.siacs.conversations.utils.Emoticons;
@@ -77,7 +76,7 @@ import eu.siacs.conversations.utils.UIHelper;
 import eu.siacs.conversations.xmpp.Jid;
 import eu.siacs.conversations.xmpp.mam.MamReference;
 
-public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
+public class MessageAdapter extends ArrayAdapter<Message> {
 
     public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
     private static final int SENT = 0;
@@ -671,9 +670,6 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
                 default:
                     throw new AssertionError("Unknown view type");
             }
-            if (viewHolder.messageBody != null) {
-                viewHolder.messageBody.setCopyHandler(this);
-            }
             view.setTag(viewHolder);
         } else {
             viewHolder = (ViewHolder) view.getTag();
@@ -868,38 +864,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
     private void promptOpenKeychainInstall(View view) {
         activity.showInstallPgpDialog();
     }
-
+    
-    private String transformText(CharSequence text, int start, int end, boolean forCopy) {
-        SpannableStringBuilder builder = new SpannableStringBuilder(text);
-        Object copySpan = new Object();
-        builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-        DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
-        for (DividerSpan dividerSpan : dividerSpans) {
-            builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
-                    dividerSpan.isLarge() ? "\n\n" : "\n");
-        }
-        start = builder.getSpanStart(copySpan);
-        end = builder.getSpanEnd(copySpan);
-        if (start == -1 || end == -1) return "";
-        builder = new SpannableStringBuilder(builder, start, end);
-        if (forCopy) {
-            QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
-            for (QuoteSpan quoteSpan : quoteSpans) {
-                builder.insert(builder.getSpanStart(quoteSpan), "> ");
-            }
-        }
-        return builder.toString();
-    }
-
-    @Override
-    public String transformTextForCopy(CharSequence text, int start, int end) {
-        if (text instanceof Spanned) {
-            return transformText(text, start, end, true);
-        } else {
-            return text.toString().substring(start, end);
-        }
-    }
-
     public FileBackend getFileBackend() {
         return activity.xmppConnectionService.getFileBackend();
     }
@@ -969,56 +934,9 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
         protected ImageView indicator;
         protected ImageView indicatorReceived;
         protected TextView time;
-        protected CopyTextView messageBody;
+        protected TextView messageBody;
         protected ImageView contact_picture;
         protected TextView status_message;
         protected TextView encryption;
     }
-
-
-    private class MessageBodyActionModeCallback implements ActionMode.Callback {
-
-        private final TextView textView;
-
-        public MessageBodyActionModeCallback(TextView textView) {
-            this.textView = textView;
-        }
-
-        @Override
-        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-            if (onQuoteListener != null) {
-                int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
-                // 3rd item is placed after "copy" item
-                menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
-                        .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
-            }
-            return false;
-        }
-
-        @Override
-        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-            return false;
-        }
-
-        @Override
-        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-            if (item.getItemId() == android.R.id.button1) {
-                int start = textView.getSelectionStart();
-                int end = textView.getSelectionEnd();
-                if (end > start) {
-                    String text = transformText(textView.getText(), start, end, false);
-                    if (onQuoteListener != null) {
-                        onQuoteListener.onQuote(text);
-                    }
-                    mode.finish();
-                }
-                return true;
-            }
-            return false;
-        }
-
-        @Override
-        public void onDestroyActionMode(ActionMode mode) {
-        }
-    }
 }

src/main/java/eu/siacs/conversations/ui/widget/CopyTextView.java

@@ -1,58 +0,0 @@
-package eu.siacs.conversations.ui.widget;
-
-import android.content.ClipData;
-import android.content.ClipboardManager;
-import android.content.Context;
-import android.support.v7.widget.AppCompatTextView;
-import android.util.AttributeSet;
-
-public class CopyTextView extends AppCompatTextView {
-
-	public CopyTextView(Context context) {
-		super(context);
-	}
-
-	public CopyTextView(Context context, AttributeSet attrs) {
-		super(context, attrs);
-	}
-
-	public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr) {
-		super(context, attrs, defStyleAttr);
-	}
-
-	public interface CopyHandler {
-		String transformTextForCopy(CharSequence text, int start, int end);
-	}
-
-	private CopyHandler copyHandler;
-
-	public void setCopyHandler(CopyHandler copyHandler) {
-		this.copyHandler = copyHandler;
-	}
-
-	@Override
-	public boolean onTextContextMenuItem(int id) {
-		final CharSequence text = getText();
-		int min = 0;
-		int max = text.length();
-		if (isFocused()) {
-			final int selStart = getSelectionStart();
-			final int selEnd = getSelectionEnd();
-			min = Math.max(0, Math.min(selStart, selEnd));
-			max = Math.max(0, Math.max(selStart, selEnd));
-		}
-		String textForCopy = null;
-		if (id == android.R.id.copy && copyHandler != null) {
-			textForCopy = copyHandler.transformTextForCopy(getText(), min, max);
-		}
-		try {
-			return super.onTextContextMenuItem(id);
-		} finally {
-			if (textForCopy != null) {
-				ClipboardManager clipboard = (ClipboardManager) getContext().
-						getSystemService(Context.CLIPBOARD_SERVICE);
-				clipboard.setPrimaryClip(ClipData.newPlainText(null, textForCopy));
-			}
-		}
-	}
-}

src/main/res/layout/message_content.xml

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <eu.siacs.conversations.ui.widget.CopyTextView
+    <TextView
         android:id="@+id/message_body"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:autoLink="web"
-        android:longClickable="true"
+        android:longClickable="false"
         android:textAppearance="@style/TextAppearance.Conversations.Body1"/>
 
     <ImageView