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      1 /*
      2  * Copyright (C) 2014 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.camera.widget;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.View;
     22 import android.widget.LinearLayout;
     23 
     24 import com.android.camera2.R;
     25 
     26 public class AspectRatioSelector extends LinearLayout {
     27     public static enum AspectRatio {
     28         ASPECT_RATIO_4x3,
     29         ASPECT_RATIO_16x9
     30     };
     31 
     32     private AspectRatio mAspectRatio = AspectRatio.ASPECT_RATIO_4x3;
     33     private View mAspectRatio4x3Button;
     34     private View mAspectRatio16x9Button;
     35 
     36     public AspectRatioSelector(Context context, AttributeSet attrs) {
     37         super(context, attrs);
     38     }
     39 
     40     @Override
     41     public void onFinishInflate() {
     42         mAspectRatio4x3Button = findViewById(R.id.aspect_ratio_4x3_button);
     43         mAspectRatio4x3Button.setOnClickListener(new OnClickListener() {
     44             @Override
     45             public void onClick(View v) {
     46                 setAspectRatio(AspectRatio.ASPECT_RATIO_4x3);
     47             }
     48         });
     49         mAspectRatio16x9Button = findViewById(R.id.aspect_ratio_16x9_button);
     50         mAspectRatio16x9Button.setOnClickListener(new OnClickListener() {
     51             @Override
     52             public void onClick(View v) {
     53                 setAspectRatio(AspectRatio.ASPECT_RATIO_16x9);
     54             }
     55         });
     56     }
     57 
     58     public void setAspectRatio(AspectRatio aspectRatio) {
     59         if (aspectRatio == AspectRatio.ASPECT_RATIO_4x3) {
     60             // Select 4x3 view.
     61             mAspectRatio4x3Button.setSelected(true);
     62             // Unselect 16x9 view.
     63             mAspectRatio16x9Button.setSelected(false);
     64         } else if (aspectRatio == AspectRatio.ASPECT_RATIO_16x9) {
     65             // Select 16x9 view.
     66             mAspectRatio16x9Button.setSelected(true);
     67             // Unselect 4x3 view.
     68             mAspectRatio4x3Button.setSelected(false);
     69         } else {
     70             // Log error.
     71             return;
     72         }
     73         mAspectRatio = aspectRatio;
     74     }
     75 
     76     public AspectRatio getAspectRatio() {
     77         return mAspectRatio;
     78     }
     79 }
     80