content: /* 
   * Copyright (C) 2008 Google Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.internal.widget;
  
  import android.annotation.UnsupportedAppUsage;
  import android.content.Context;
  import android.content.res.TypedArray;
  import android.text.Layout;
  import android.util.AttributeSet;
  import android.util.TypedValue;
  import android.widget.TextView;
  
  /**
   * Used by dialogs to change the font size and number of lines to try to fit
   * the text to the available space.
   */
  public class DialogTitle extends TextView {
  
      public DialogTitle(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
          super(context, attrs, defStyleAttr, defStyleRes);
      }
  
      public DialogTitle(Context context, AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
      }
  
      @UnsupportedAppUsage
      public DialogTitle(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public DialogTitle(Context context) {
          super(context);
      }
      
      @Override
      protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
          super.onMeasure(widthMeasureSpec, heightMeasureSpec);
  
          final Layout layout = getLayout();
          if (layout != null) {
              final int lineCount = layout.getLineCount();
              if (lineCount > 0) {
                  final int ellipsisCount = layout.getEllipsisCount(lineCount - 1);
                  if (ellipsisCount > 0) {
                      setSingleLine(false);
                      setMaxLines(2);
  
                      final TypedArray a = mContext.obtainStyledAttributes(null,
                              android.R.styleable.TextAppearance, android.R.attr.textAppearanceMedium,
                              android.R.style.TextAppearance_Medium);
                      final int textSize = a.getDimensionPixelSize(
                              android.R.styleable.TextAppearance_textSize, 0);
                      if (textSize != 0) {
                          // textSize is already expressed in pixels
                          setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
                      }
                      a.recycle();
  
                      super.onMeasure(widthMeasureSpec, heightMeasureSpec);      
                  }
              }
          }
      }
  }
  