content: /*
   * Copyright (C) 2012 Google Inc.
   * Licensed to 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.ex.photo.views;
  
  import android.view.View;
  import android.widget.ProgressBar;
  
  /**
   * This class wraps around two progress bars and is solely designed to fix
   * a bug in the framework (b/6928449) that prevents a progress bar from
   * gracefully switching back and forth between indeterminate and determinate
   * modes.
   */
  public class ProgressBarWrapper {
      private final ProgressBar mDeterminate;
      private final ProgressBar mIndeterminate;
      private boolean mIsIndeterminate;
  
      public ProgressBarWrapper(ProgressBar determinate,
              ProgressBar indeterminate, boolean isIndeterminate) {
          mDeterminate = determinate;
          mIndeterminate = indeterminate;
          setIndeterminate(isIndeterminate);
      }
  
      public void setIndeterminate(boolean isIndeterminate) {
          mIsIndeterminate = isIndeterminate;
  
          setVisibility(mIsIndeterminate);
      }
  
      public void setVisibility(int visibility) {
          if (visibility == View.INVISIBLE || visibility == View.GONE) {
              mIndeterminate.setVisibility(visibility);
              mDeterminate.setVisibility(visibility);
          } else {
              setVisibility(mIsIndeterminate);
          }
      }
  
      private void setVisibility(boolean isIndeterminate) {
          mIndeterminate.setVisibility(isIndeterminate ? View.VISIBLE : View.GONE);
          mDeterminate.setVisibility(isIndeterminate ? View.GONE : View.VISIBLE);
      }
  
      public void setMax(int max) {
          mDeterminate.setMax(max);
      }
  
      public void setProgress(int progress) {
          mDeterminate.setProgress(progress);
      }
  }
  