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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.commands.vr;
     18 
     19 import android.app.Vr2dDisplayProperties;
     20 import android.content.Context;
     21 import android.os.RemoteException;
     22 import android.os.ServiceManager;
     23 
     24 import android.service.vr.IVrManager;
     25 import com.android.internal.os.BaseCommand;
     26 
     27 import java.io.PrintStream;
     28 
     29 public final class Vr extends BaseCommand {
     30 
     31     /**
     32      * Command-line entry point.
     33      *
     34      * @param args The command-line arguments
     35      */
     36     public static void main(String[] args) {
     37       (new Vr()).run(args);
     38     }
     39 
     40     private static final String COMMAND_SET_PERSISTENT_VR_MODE_ENABLED =
     41         "set-persistent-vr-mode-enabled";
     42     private static final String COMMAND_SET_VR2D_DISPLAY_PROPERTIES =
     43         "set-display-props";
     44     private static final String COMMAND_ENABLE_VD = "enable-virtual-display";
     45 
     46     private IVrManager mVrService;
     47 
     48     @Override
     49     public void onShowUsage(PrintStream out) {
     50         out.println(
     51                 "usage: vr [subcommand]\n" +
     52                 "usage: vr set-persistent-vr-mode-enabled [true|false]\n" +
     53                 "usage: vr set-display-props [width] [height] [dpi]\n" +
     54                 "usage: vr enable-virtual-display [true|false]\n"
     55                 );
     56     }
     57 
     58     @Override
     59     public void onRun() throws Exception {
     60         mVrService = IVrManager.Stub.asInterface(ServiceManager.getService(Context.VR_SERVICE));
     61         if (mVrService == null) {
     62             showError("Error: Could not access the Vr Manager. Is the system running?");
     63             return;
     64         }
     65 
     66         String command = nextArgRequired();
     67         switch (command) {
     68             case COMMAND_SET_VR2D_DISPLAY_PROPERTIES:
     69                 runSetVr2dDisplayProperties();
     70                 break;
     71             case COMMAND_SET_PERSISTENT_VR_MODE_ENABLED:
     72                 runSetPersistentVrModeEnabled();
     73                 break;
     74             case COMMAND_ENABLE_VD:
     75                 runEnableVd();
     76                 break;
     77             default:
     78                 throw new IllegalArgumentException ("unknown command '" + command + "'");
     79         }
     80     }
     81 
     82     private void runSetVr2dDisplayProperties() throws RemoteException {
     83         String widthStr = nextArgRequired();
     84         int width = Integer.parseInt(widthStr);
     85 
     86         String heightStr = nextArgRequired();
     87         int height = Integer.parseInt(heightStr);
     88 
     89         String dpiStr = nextArgRequired();
     90         int dpi = Integer.parseInt(dpiStr);
     91 
     92         Vr2dDisplayProperties vr2dDisplayProperties =
     93                 new Vr2dDisplayProperties(width, height, dpi);
     94 
     95         try {
     96             mVrService.setVr2dDisplayProperties(vr2dDisplayProperties);
     97         } catch (RemoteException re) {
     98             System.err.println("Error: Can't set persistent mode " + re);
     99         }
    100     }
    101 
    102     private void runEnableVd() throws RemoteException {
    103         Vr2dDisplayProperties.Builder builder = new Vr2dDisplayProperties.Builder();
    104 
    105         String value = nextArgRequired();
    106         if ("true".equals(value)) {
    107             builder.setEnabled(true);
    108         } else if ("false".equals(value)) {
    109             builder.setEnabled(false);
    110         } // Don't do anything if not exactly true/false
    111 
    112         try {
    113             mVrService.setVr2dDisplayProperties(builder.build());
    114         } catch (RemoteException re) {
    115             System.err.println("Error: Can't enable (" + value +") virtual display" + re);
    116         }
    117     }
    118 
    119     private void runSetPersistentVrModeEnabled() throws RemoteException {
    120         String enableStr = nextArg();
    121         boolean enabled = Boolean.parseBoolean(enableStr);
    122         try {
    123             mVrService.setPersistentVrModeEnabled(enabled);
    124         } catch (RemoteException re) {
    125             System.err.println("Error: Can't set persistent mode " + re);
    126         }
    127     }
    128 }
    129