| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * 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.dialer.dialpad; |
| |
| import android.content.Context; |
| import android.graphics.Paint; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.widget.TextView; |
| |
| import com.android.dialer.R; |
| |
| public class SmartDialTextView extends TextView { |
| |
| private final float mPadding; |
| private final float mExtraPadding; |
| |
| public SmartDialTextView(Context context) { |
| this(context, null); |
| } |
| |
| public SmartDialTextView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mPadding = getResources().getDimension(R.dimen.smartdial_suggestions_padding); |
| mExtraPadding = getResources().getDimension(R.dimen.smartdial_suggestions_extra_padding); |
| } |
| |
| @Override |
| protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { |
| super.onTextChanged(text, start, lengthBefore, lengthAfter); |
| rescaleText(getWidth()); |
| } |
| |
| @Override |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
| super.onSizeChanged(w, h, oldw, oldh); |
| rescaleText(w); |
| } |
| |
| private void rescaleText(int w) { |
| if (w == 0) { |
| return; |
| } |
| setTextScaleX(1); |
| final Paint paint = getPaint(); |
| float width = w - 2 * mPadding - 2 * mExtraPadding; |
| |
| float ratio = width / paint.measureText(getText().toString()); |
| TextUtils.TruncateAt ellipsizeAt = null; |
| if (ratio < 1.0f) { |
| if (ratio < 0.8f) { |
| // If the text is too big to fit even after scaling to 80%, just ellipsize it |
| // instead. |
| ellipsizeAt = TextUtils.TruncateAt.END; |
| setTextScaleX(0.8f); |
| } else { |
| setTextScaleX(ratio); |
| } |
| } |
| setEllipsize(ellipsizeAt); |
| } |
| } |