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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.printspooler;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.widget.FrameLayout;
     22 
     23 public class PrintDialogFrame extends FrameLayout {
     24 
     25     public final int mMaxWidth;
     26 
     27     public int mHeight;
     28 
     29     public PrintDialogFrame(Context context, AttributeSet attrs) {
     30         super(context, attrs);
     31         mMaxWidth = context.getResources().getDimensionPixelSize(
     32                 R.dimen.print_dialog_frame_max_width_dip);
     33     }
     34 
     35     @Override
     36     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
     37         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     38 
     39         int measuredWidth  = getMeasuredWidth();
     40         final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
     41         switch (widthMode) {
     42             case MeasureSpec.UNSPECIFIED: {
     43                 measuredWidth = mMaxWidth;
     44             } break;
     45 
     46             case MeasureSpec.AT_MOST: {
     47                 final int receivedWidth = MeasureSpec.getSize(widthMeasureSpec);
     48                 measuredWidth = Math.min(mMaxWidth, receivedWidth);
     49             } break;
     50         }
     51 
     52         mHeight = Math.max(mHeight, getMeasuredHeight());
     53 
     54         int measuredHeight  = getMeasuredHeight();
     55         final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
     56         switch (heightMode) {
     57             case MeasureSpec.UNSPECIFIED: {
     58                 measuredHeight = mHeight;
     59             } break;
     60 
     61              case MeasureSpec.AT_MOST: {
     62                 final int receivedHeight = MeasureSpec.getSize(heightMeasureSpec);
     63                 measuredHeight = Math.min(mHeight, receivedHeight);
     64             } break;
     65         }
     66 
     67         setMeasuredDimension(measuredWidth, measuredHeight);
     68     }
     69 }
     70