The Tor Browser: mobile/android/base/widget/EllipsisTextView.java@fc2d59ddac77

     1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 package org.mozilla.gecko.widget;

     8 import org.mozilla.gecko.R;

    10 import android.content.Context;

    11 import android.content.res.TypedArray;

    12 import android.util.AttributeSet;

    13 import android.widget.TextView;

    15 /**

    16  * Text view that correctly handles maxLines and ellipsizing for Android < 2.3.

    17  */

    18 public class EllipsisTextView extends TextView {

    19     private final String ellipsis;

    21     private int maxLines;

    22     private CharSequence originalText;

    24     public EllipsisTextView(Context context) {

    25         this(context, null);

    26     }

    28     public EllipsisTextView(Context context, AttributeSet attrs) {

    29         this(context, attrs, android.R.attr.textViewStyle);

    30     }

    32     public EllipsisTextView(Context context, AttributeSet attrs, int defStyle) {

    33         super(context, attrs, defStyle);

    35         ellipsis = getResources().getString(R.string.ellipsis);

    37         TypedArray a = context.getTheme()

    38             .obtainStyledAttributes(attrs, R.styleable.EllipsisTextView, 0, 0);

    39         maxLines = a.getInteger(R.styleable.EllipsisTextView_ellipsizeAtLine, 1);

    40         a.recycle();

    41     }

    43     public void setOriginalText(CharSequence text) {

    44         originalText = text;

    45         setText(text);

    46     }

    48     @Override

    49     public void onLayout(boolean changed, int left, int top, int right, int bottom) {

    50         super.onLayout(changed, left, top, right, bottom);

    52         // There is extra space, start over with the original text

    53         if (getLineCount() < maxLines) {

    54             setText(originalText);

    55         }

    57         // If we are over the max line attribute, ellipsize

    58         if (getLineCount() > maxLines) {

    59             final int endIndex = getLayout().getLineEnd(maxLines - 1) - 1 - ellipsis.length();

    60             final String text = getText().subSequence(0, endIndex) + ellipsis;

    61             // Make sure that we don't change originalText

    62             setText(text);

    63         }

    64     }

    65 }

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