| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.device.vr; |
| |
| import android.content.Context; |
| |
| import com.google.vr.ndk.base.GvrLayout; |
| |
| import org.chromium.base.annotations.CalledByNative; |
| import org.chromium.base.annotations.JNINamespace; |
| |
| /** |
| * This is the implementation of the C++ counterpart GvrDeviceProvider. |
| */ |
| @JNINamespace("device") |
| class GvrDeviceProvider { |
| private static final String TAG = "GvrDeviceProvider"; |
| private final GvrLayout mLayout; |
| private Thread mGvrInitThread; |
| |
| private GvrDeviceProvider(Context context) { |
| mLayout = new GvrLayout(context); |
| |
| // Initialize the GVR API on a separate thread to avoid strict mode |
| // violations. Note that this doesn't fix the underlying issue of |
| // blocking on disk reads here. |
| mGvrInitThread = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| mLayout.getGvrApi(); |
| } |
| }); |
| mGvrInitThread.start(); |
| } |
| |
| @CalledByNative |
| private static GvrDeviceProvider create(Context context) { |
| return new GvrDeviceProvider(context); |
| } |
| |
| @CalledByNative |
| private long getNativeContext() { |
| try { |
| mGvrInitThread.join(); |
| } catch (Exception ex) { |
| } |
| return mLayout.getGvrApi().getNativeGvrContext(); |
| } |
| |
| @CalledByNative |
| private void shutdown() { |
| mLayout.shutdown(); |
| } |
| } |