HeadlessDisplayAdapter.java revision 4f67ba6ba4e861b287a3ff0323c107aa77f66264 
1/*
2 * Copyright (C) 2012 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
17package com.android.server.display;
18
19import android.util.DisplayMetrics;
20
21/**
22 * Provides a fake default display for headless systems.
23 */
24public final class HeadlessDisplayAdapter extends DisplayAdapter {
25    private final DisplayDevice mDefaultDisplay = new DisplayDevice() {
26        @Override
27        public void getInfo(DisplayDeviceInfo outInfo) {
28            outInfo.width = 640;
29            outInfo.height = 480;
30            outInfo.refreshRate = 60;
31            outInfo.densityDpi = DisplayMetrics.DENSITY_DEFAULT;
32            outInfo.xDpi = 160;
33            outInfo.yDpi = 160;
34        }
35    };
36
37    @Override
38    public String getName() {
39        return "HeadlessDisplayAdapter";
40    }
41
42    @Override
43    public DisplayDevice getDisplayDevice() {
44        return mDefaultDisplay;
45    }
46}
47