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/*
* 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.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 defStyle) {
super(context, attrs, defStyle);
}
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);
}
}
}
}
}
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