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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.chrome.browser.widget; | |
6 | |
7 import android.content.Context; | |
8 import android.util.AttributeSet; | |
9 import android.widget.ImageView; | |
10 | |
11 /** | |
12 * An alternative progress bar implemented using ClipDrawable. We're experimenti
ng with this for | |
13 * faster performance. http://crbug.com/455891 | |
14 */ | |
15 public class ClipDrawableProgressBar extends ImageView { | |
16 private static final long PROGRESS_CLEARING_DELAY_MS = 200; | |
17 | |
18 private final Runnable mClearLoadProgressRunnable = new Runnable() { | |
19 @Override | |
20 public void run() { | |
21 setProgress(0); | |
22 } | |
23 }; | |
24 | |
25 /** | |
26 * Constructor for inflating from XML. | |
27 */ | |
28 public ClipDrawableProgressBar(Context context, AttributeSet attrs) { | |
29 super(context, attrs); | |
30 } | |
31 | |
32 /** | |
33 * Set the current progress to the specified value. | |
34 * @param progress The new progress, between 0 and 10000. | |
35 */ | |
36 public void setProgress(int progress) { | |
37 getDrawable().setLevel(progress); | |
38 | |
39 removeCallbacks(mClearLoadProgressRunnable); | |
40 if (progress == 10000) postDelayed(mClearLoadProgressRunnable, PROGRESS_
CLEARING_DELAY_MS); | |
41 } | |
42 | |
43 /** | |
44 * Get the progress bar's current level of progress. | |
45 * @return The current progress, between 0 and getMax(). | |
46 */ | |
47 public int getProgress() { | |
48 return getDrawable().getLevel(); | |
49 } | |
50 } | |
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