Home | History | Annotate | Download | only in views 
      1 /*
      2  * Copyright (C) 2012 Google Inc.
      3  * Licensed to The Android Open Source Project.
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 package com.android.ex.photo.views;
     19 
     20 import android.view.View;
     21 import android.widget.ProgressBar;
     22 
     23 /**
     24  * This class wraps around two progress bars and is solely designed to fix
     25  * a bug in the framework (b/6928449) that prevents a progress bar from
     26  * gracefully switching back and forth between indeterminate and determinate
     27  * modes.
     28  */
     29 public class ProgressBarWrapper {
     30     private final ProgressBar mDeterminate;
     31     private final ProgressBar mIndeterminate;
     32     private boolean mIsIndeterminate;
     33 
     34     public ProgressBarWrapper(ProgressBar determinate,
     35             ProgressBar indeterminate, boolean isIndeterminate) {
     36         mDeterminate = determinate;
     37         mIndeterminate = indeterminate;
     38         setIndeterminate(isIndeterminate);
     39     }
     40 
     41     public void setIndeterminate(boolean isIndeterminate) {
     42         mIsIndeterminate = isIndeterminate;
     43 
     44         setVisibility(mIsIndeterminate);
     45     }
     46 
     47     public void setVisibility(int visibility) {
     48         if (visibility == View.INVISIBLE || visibility == View.GONE) {
     49             mIndeterminate.setVisibility(visibility);
     50             mDeterminate.setVisibility(visibility);
     51         } else {
     52             setVisibility(mIsIndeterminate);
     53         }
     54     }
     55 
     56     private void setVisibility(boolean isIndeterminate) {
     57         mIndeterminate.setVisibility(isIndeterminate ? View.VISIBLE : View.GONE);
     58         mDeterminate.setVisibility(isIndeterminate ? View.GONE : View.VISIBLE);
     59     }
     60 
     61     public void setMax(int max) {
     62         mDeterminate.setMax(max);
     63     }
     64 
     65     public void setProgress(int progress) {
     66         mDeterminate.setProgress(progress);
     67     }
     68 }
     69