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1 // Copyright 2016 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.device.vr; | |
6 | |
7 import android.content.Context; | |
8 | |
9 import com.google.vr.ndk.base.GvrLayout; | |
10 | |
11 import org.chromium.base.annotations.CalledByNative; | |
12 import org.chromium.base.annotations.JNINamespace; | |
13 | |
14 /** | |
15 * This is the implementation of the C++ counterpart GvrDeviceProvider. | |
16 */ | |
17 @JNINamespace("device") | |
18 class GvrDeviceProvider { | |
19 private static final String TAG = "GvrDeviceProvider"; | |
20 private final GvrLayout mLayout; | |
21 private Thread mGvrInitThread; | |
22 | |
23 private GvrDeviceProvider(Context context) { | |
24 mLayout = new GvrLayout(context); | |
25 | |
26 // Initialize the GVR API on a separate thread to avoid strict mode | |
27 // violations. Note that this doesn't fix the underlying issue of | |
28 // blocking on disk reads here. | |
29 mGvrInitThread = new Thread(new Runnable() { | |
30 @Override | |
31 public void run() { | |
32 mLayout.getGvrApi(); | |
33 } | |
34 }); | |
35 mGvrInitThread.start(); | |
36 } | |
37 | |
38 @CalledByNative | |
39 private static GvrDeviceProvider create(Context context) { | |
40 return new GvrDeviceProvider(context); | |
41 } | |
42 | |
43 @CalledByNative | |
44 private long getNativeContext() { | |
45 try { | |
46 mGvrInitThread.join(); | |
47 } catch (Exception ex) { | |
48 } | |
49 return mLayout.getGvrApi().getNativeGvrContext(); | |
50 } | |
51 | |
52 @CalledByNative | |
53 private void shutdown() { | |
54 mLayout.shutdown(); | |
55 } | |
56 } | |
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