Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 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 | |
| 17 | package com.android.server.display; |
| 18 | |
| 19 | import android.Manifest; |
| 20 | import android.content.Context; |
| 21 | import android.content.pm.PackageManager; |
| 22 | import android.hardware.display.IDisplayManager; |
| 23 | import android.os.Binder; |
| 24 | import android.os.SystemProperties; |
| 25 | import android.view.Display; |
| 26 | import android.view.DisplayInfo; |
| 27 | import android.view.Surface; |
| 28 | |
| 29 | import java.io.FileDescriptor; |
| 30 | import java.io.PrintWriter; |
| 31 | import java.util.ArrayList; |
| 32 | |
| 33 | /** |
| 34 | * Manages the properties, media routing and power state of attached displays. |
| 35 | * <p> |
| 36 | * The display manager service does not own or directly control the displays. |
| 37 | * Instead, other components in the system register their display adapters with the |
| 38 | * display manager service which acts as a central controller. |
| 39 | * </p> |
| 40 | */ |
| 41 | public final class DisplayManagerService extends IDisplayManager.Stub { |
| 42 | private static final String TAG = "DisplayManagerService"; |
| 43 | |
| 44 | private static final String SYSTEM_HEADLESS = "ro.config.headless"; |
| 45 | |
| 46 | private final Object mLock = new Object(); |
| 47 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 48 | private final Context mContext; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 49 | private final boolean mHeadless; |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 50 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 51 | private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>(); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 52 | private final DisplayInfo mDefaultDisplayInfo = new DisplayInfo(); |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 53 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 54 | public DisplayManagerService(Context context) { |
| 55 | mContext = context; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 56 | mHeadless = SystemProperties.get(SYSTEM_HEADLESS).equals("1"); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 57 | |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 58 | registerDefaultDisplayAdapter(); |
| 59 | } |
| 60 | |
| 61 | private void registerDefaultDisplayAdapter() { |
| 62 | if (mHeadless) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 63 | registerDisplayAdapter(new HeadlessDisplayAdapter(mContext)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 64 | } else { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 65 | registerDisplayAdapter(new SurfaceFlingerDisplayAdapter(mContext)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 66 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 67 | } |
| 68 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 69 | // FIXME: this isn't the right API for the long term |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 70 | public void getDefaultExternalDisplayDeviceInfo(DisplayDeviceInfo info) { |
| 71 | // hardcoded assuming 720p touch screen plugged into HDMI and USB |
| 72 | // need to redesign this |
| 73 | info.width = 1280; |
| 74 | info.height = 720; |
| 75 | } |
| 76 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 77 | /** |
| 78 | * Returns true if the device is headless. |
| 79 | * |
| 80 | * @return True if the device is headless. |
| 81 | */ |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 82 | public boolean isHeadless() { |
| 83 | return mHeadless; |
| 84 | } |
| 85 | |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 86 | /** |
| 87 | * Save away new DisplayInfo data. |
| 88 | * @param displayId The local DisplayInfo to store the new data in. |
| 89 | * @param info The new data to be stored. |
| 90 | */ |
| 91 | public void setDisplayInfo(int displayId, DisplayInfo info) { |
| 92 | synchronized (mLock) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 93 | if (displayId != Display.DEFAULT_DISPLAY) { |
| 94 | throw new UnsupportedOperationException(); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 95 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 96 | mDefaultDisplayInfo.copyFrom(info); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Return requested DisplayInfo. |
| 102 | * @param displayId The data to retrieve. |
| 103 | * @param outInfo The structure to receive the data. |
| 104 | */ |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 105 | @Override // Binder call |
| 106 | public boolean getDisplayInfo(int displayId, DisplayInfo outInfo) { |
| 107 | synchronized (mLock) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 108 | if (displayId != Display.DEFAULT_DISPLAY) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 109 | return false; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 110 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 111 | outInfo.copyFrom(mDefaultDisplayInfo); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 112 | return true; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 113 | } |
| 114 | } |
| 115 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 116 | private void registerDisplayAdapter(DisplayAdapter adapter) { |
| 117 | mDisplayAdapters.add(adapter); |
| 118 | adapter.register(new DisplayAdapter.Listener() { |
| 119 | @Override |
| 120 | public void onDisplayDeviceAdded(DisplayDevice device) { |
| 121 | DisplayDeviceInfo deviceInfo = new DisplayDeviceInfo(); |
| 122 | device.getInfo(deviceInfo); |
| 123 | copyDisplayInfoFromDeviceInfo(mDefaultDisplayInfo, deviceInfo); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 124 | } |
| 125 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 126 | @Override |
| 127 | public void onDisplayDeviceRemoved(DisplayDevice device) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 128 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 129 | }); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 130 | } |
| 131 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 132 | private void copyDisplayInfoFromDeviceInfo( |
| 133 | DisplayInfo displayInfo, DisplayDeviceInfo deviceInfo) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 134 | // Bootstrap the logical display using the physical display. |
| 135 | displayInfo.appWidth = deviceInfo.width; |
| 136 | displayInfo.appHeight = deviceInfo.height; |
| 137 | displayInfo.logicalWidth = deviceInfo.width; |
| 138 | displayInfo.logicalHeight = deviceInfo.height; |
| 139 | displayInfo.rotation = Surface.ROTATION_0; |
| 140 | displayInfo.refreshRate = deviceInfo.refreshRate; |
| 141 | displayInfo.logicalDensityDpi = deviceInfo.densityDpi; |
| 142 | displayInfo.physicalXDpi = deviceInfo.xDpi; |
| 143 | displayInfo.physicalYDpi = deviceInfo.yDpi; |
| 144 | displayInfo.smallestNominalAppWidth = deviceInfo.width; |
| 145 | displayInfo.smallestNominalAppHeight = deviceInfo.height; |
| 146 | displayInfo.largestNominalAppWidth = deviceInfo.width; |
| 147 | displayInfo.largestNominalAppHeight = deviceInfo.height; |
| 148 | } |
| 149 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 150 | @Override // Binder call |
| 151 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 152 | if (mContext == null |
| 153 | || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| 154 | != PackageManager.PERMISSION_GRANTED) { |
| 155 | pw.println("Permission Denial: can't dump DisplayManager from from pid=" |
| 156 | + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| 157 | return; |
| 158 | } |
| 159 | |
| 160 | pw.println("DISPLAY MANAGER (dumpsys display)\n"); |
| 161 | |
| 162 | pw.println("Headless: " + mHeadless); |
| 163 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 164 | synchronized (mLock) { |
| 165 | for (DisplayAdapter adapter : mDisplayAdapters) { |
| 166 | pw.println("Adapter: " + adapter.getName()); |
| 167 | } |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 168 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame^] | 169 | pw.println("Default display: " + mDefaultDisplayInfo); |
| 170 | } |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 171 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 172 | } |