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
18package com.android.ex.photo.views;
19
20import android.view.View;
21import 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 */
29public 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