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Unified Diff: content/public/android/java/src/org/chromium/content/browser/input/CardboardVRDevice.java

Issue 829803003: Adding Chrome-side WebVR interface (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Moved cardboard-java gyp and gn config into third_party Created 5 years, 8 months ago
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Index: content/public/android/java/src/org/chromium/content/browser/input/CardboardVRDevice.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/CardboardVRDevice.java b/content/public/android/java/src/org/chromium/content/browser/input/CardboardVRDevice.java
new file mode 100644
index 0000000000000000000000000000000000000000..280e3bfe4288deda1dd9eba1da00517cbeb8dd8d
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/input/CardboardVRDevice.java
@@ -0,0 +1,88 @@
+// Copyright 2015 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.content.browser.input;
+
+import android.content.Context;
+
+import com.google.vrtoolkit.cardboard.CardboardDeviceParams;
+import com.google.vrtoolkit.cardboard.FieldOfView;
+import com.google.vrtoolkit.cardboard.HeadMountedDisplay;
+import com.google.vrtoolkit.cardboard.HeadMountedDisplayManager;
+import com.google.vrtoolkit.cardboard.ScreenParams;
+import com.google.vrtoolkit.cardboard.sensors.HeadTracker;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+/**
+ * This is the implementation of the C++ counterpart CardboardVRDevice.
+ */
+@JNINamespace("content")
+class CardboardVRDevice {
+ private static final String TAG = "CardboardVRDevice";
+ private final HeadMountedDisplayManager mHMDManager;
+ private final HeadTracker mHeadTracker;
+
+ @CalledByNative
+ private static CardboardVRDevice create(Context context) {
+ return new CardboardVRDevice(context);
+ }
+
+ private CardboardVRDevice(Context context) {
+ mHMDManager = new HeadMountedDisplayManager(context);
+
+ mHeadTracker = HeadTracker.createFromContext(context);
+ mHeadTracker.setNeckModelEnabled(true);
+ mHeadTracker.startTracking();
+ }
+
+ @CalledByNative
+ private void getFieldOfView(float[] outFov) {
+ HeadMountedDisplay hmd = mHMDManager.getHeadMountedDisplay();
+ CardboardDeviceParams deviceParams = hmd.getCardboardDeviceParams();
+ FieldOfView fov = deviceParams.getLeftEyeMaxFov();
+ outFov[0] = fov.getTop();
+ outFov[1] = fov.getBottom();
+ outFov[2] = fov.getLeft();
+ outFov[3] = fov.getRight();
+ }
+
+ @CalledByNative
+ private float getIpd() {
+ HeadMountedDisplay hmd = mHMDManager.getHeadMountedDisplay();
+ CardboardDeviceParams deviceParams = hmd.getCardboardDeviceParams();
+ return deviceParams.getInterLensDistance();
+ }
+
+ @CalledByNative
+ private String getDeviceName() {
+ HeadMountedDisplay hmd = mHMDManager.getHeadMountedDisplay();
+ CardboardDeviceParams deviceParams = hmd.getCardboardDeviceParams();
+ return deviceParams.getVendor() + " " + deviceParams.getModel();
+ }
+
+ @CalledByNative
+ private void getScreenSize(int[] outSize) {
+ HeadMountedDisplay hmd = mHMDManager.getHeadMountedDisplay();
+ ScreenParams screenParams = hmd.getScreenParams();
+ outSize[0] = screenParams.getWidth();
+ outSize[1] = screenParams.getHeight();
+ }
+
+ @CalledByNative
+ private void getSensorState(float[] outMatrix) {
+ mHeadTracker.getLastHeadView(outMatrix, 0);
+ }
+
+ @CalledByNative
+ private void stopTracking() {
+ mHeadTracker.stopTracking();
+ }
+
+ @CalledByNative
+ private void resetSensor() {
+ mHeadTracker.resetTracker();
+ }
+}

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