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; |
Jeff Brown | bf5740e | 2012-08-19 23:20:02 -0700 | [diff] [blame] | 22 | import android.hardware.display.DisplayManager; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 23 | import android.hardware.display.IDisplayManager; |
| 24 | import android.os.Binder; |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 25 | import android.os.IBinder; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 26 | import android.os.SystemProperties; |
| 27 | import android.view.Display; |
| 28 | import android.view.DisplayInfo; |
| 29 | import android.view.Surface; |
| 30 | |
| 31 | import java.io.FileDescriptor; |
| 32 | import java.io.PrintWriter; |
| 33 | import java.util.ArrayList; |
| 34 | |
| 35 | /** |
| 36 | * Manages the properties, media routing and power state of attached displays. |
| 37 | * <p> |
| 38 | * The display manager service does not own or directly control the displays. |
| 39 | * Instead, other components in the system register their display adapters with the |
| 40 | * display manager service which acts as a central controller. |
| 41 | * </p> |
| 42 | */ |
| 43 | public final class DisplayManagerService extends IDisplayManager.Stub { |
| 44 | private static final String TAG = "DisplayManagerService"; |
| 45 | |
| 46 | private static final String SYSTEM_HEADLESS = "ro.config.headless"; |
| 47 | |
| 48 | private final Object mLock = new Object(); |
| 49 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 50 | private final Context mContext; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 51 | private final boolean mHeadless; |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 52 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 53 | private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>(); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 54 | private final DisplayInfo mDefaultDisplayInfo = new DisplayInfo(); |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 55 | private DisplayDevice mDefaultDisplayDevice; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 56 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 57 | public DisplayManagerService(Context context) { |
| 58 | mContext = context; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 59 | mHeadless = SystemProperties.get(SYSTEM_HEADLESS).equals("1"); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 60 | |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 61 | registerDefaultDisplayAdapter(); |
| 62 | } |
| 63 | |
| 64 | private void registerDefaultDisplayAdapter() { |
| 65 | if (mHeadless) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 66 | registerDisplayAdapter(new HeadlessDisplayAdapter(mContext)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 67 | } else { |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 68 | registerDisplayAdapter(new LocalDisplayAdapter(mContext)); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 69 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 70 | } |
| 71 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 72 | // FIXME: this isn't the right API for the long term |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 73 | public void getDefaultExternalDisplayDeviceInfo(DisplayDeviceInfo info) { |
| 74 | // hardcoded assuming 720p touch screen plugged into HDMI and USB |
| 75 | // need to redesign this |
| 76 | info.width = 1280; |
| 77 | info.height = 720; |
| 78 | } |
| 79 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 80 | /** |
| 81 | * Returns true if the device is headless. |
| 82 | * |
| 83 | * @return True if the device is headless. |
| 84 | */ |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 85 | public boolean isHeadless() { |
| 86 | return mHeadless; |
| 87 | } |
| 88 | |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 89 | /** |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 90 | * Set the new display orientation. |
| 91 | * @param displayId The logical display id. |
| 92 | * @param orientation One of the Surface.ROTATION_* constants. |
| 93 | */ |
| 94 | public void setDisplayOrientation(int displayId, int orientation) { |
| 95 | synchronized (mLock) { |
| 96 | if (displayId != Display.DEFAULT_DISPLAY) { |
| 97 | throw new UnsupportedOperationException(); |
| 98 | } |
| 99 | |
| 100 | IBinder displayToken = mDefaultDisplayDevice.getDisplayToken(); |
| 101 | if (displayToken != null) { |
| 102 | Surface.openTransaction(); |
| 103 | try { |
| 104 | Surface.setDisplayOrientation(displayToken, orientation); |
| 105 | } finally { |
| 106 | Surface.closeTransaction(); |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | /** |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 113 | * Save away new DisplayInfo data. |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 114 | * @param displayId The logical display id. |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 115 | * @param info The new data to be stored. |
| 116 | */ |
| 117 | public void setDisplayInfo(int displayId, DisplayInfo info) { |
| 118 | synchronized (mLock) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 119 | if (displayId != Display.DEFAULT_DISPLAY) { |
| 120 | throw new UnsupportedOperationException(); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 121 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 122 | mDefaultDisplayInfo.copyFrom(info); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Return requested DisplayInfo. |
| 128 | * @param displayId The data to retrieve. |
| 129 | * @param outInfo The structure to receive the data. |
| 130 | */ |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 131 | @Override // Binder call |
| 132 | public boolean getDisplayInfo(int displayId, DisplayInfo outInfo) { |
| 133 | synchronized (mLock) { |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 134 | if (displayId != Display.DEFAULT_DISPLAY) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 135 | return false; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 136 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 137 | outInfo.copyFrom(mDefaultDisplayInfo); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 138 | return true; |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 139 | } |
| 140 | } |
| 141 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 142 | private void registerDisplayAdapter(DisplayAdapter adapter) { |
| 143 | mDisplayAdapters.add(adapter); |
| 144 | adapter.register(new DisplayAdapter.Listener() { |
| 145 | @Override |
| 146 | public void onDisplayDeviceAdded(DisplayDevice device) { |
Jeff Brown | 64a55af | 2012-08-26 02:47:39 -0700 | [diff] [blame] | 147 | mDefaultDisplayDevice = device; |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 148 | DisplayDeviceInfo deviceInfo = new DisplayDeviceInfo(); |
| 149 | device.getInfo(deviceInfo); |
| 150 | copyDisplayInfoFromDeviceInfo(mDefaultDisplayInfo, deviceInfo); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 151 | } |
| 152 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 153 | @Override |
| 154 | public void onDisplayDeviceRemoved(DisplayDevice device) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 155 | } |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 156 | }); |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 159 | private void copyDisplayInfoFromDeviceInfo( |
| 160 | DisplayInfo displayInfo, DisplayDeviceInfo deviceInfo) { |
Craig Mautner | 4f67ba6 | 2012-08-02 11:23:00 -0700 | [diff] [blame] | 161 | // Bootstrap the logical display using the physical display. |
| 162 | displayInfo.appWidth = deviceInfo.width; |
| 163 | displayInfo.appHeight = deviceInfo.height; |
| 164 | displayInfo.logicalWidth = deviceInfo.width; |
| 165 | displayInfo.logicalHeight = deviceInfo.height; |
| 166 | displayInfo.rotation = Surface.ROTATION_0; |
| 167 | displayInfo.refreshRate = deviceInfo.refreshRate; |
| 168 | displayInfo.logicalDensityDpi = deviceInfo.densityDpi; |
| 169 | displayInfo.physicalXDpi = deviceInfo.xDpi; |
| 170 | displayInfo.physicalYDpi = deviceInfo.yDpi; |
| 171 | displayInfo.smallestNominalAppWidth = deviceInfo.width; |
| 172 | displayInfo.smallestNominalAppHeight = deviceInfo.height; |
| 173 | displayInfo.largestNominalAppWidth = deviceInfo.width; |
| 174 | displayInfo.largestNominalAppHeight = deviceInfo.height; |
| 175 | } |
| 176 | |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 177 | @Override // Binder call |
| 178 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 179 | if (mContext == null |
| 180 | || mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| 181 | != PackageManager.PERMISSION_GRANTED) { |
| 182 | pw.println("Permission Denial: can't dump DisplayManager from from pid=" |
| 183 | + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()); |
| 184 | return; |
| 185 | } |
| 186 | |
| 187 | pw.println("DISPLAY MANAGER (dumpsys display)\n"); |
| 188 | |
| 189 | pw.println("Headless: " + mHeadless); |
| 190 | |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 191 | synchronized (mLock) { |
| 192 | for (DisplayAdapter adapter : mDisplayAdapters) { |
| 193 | pw.println("Adapter: " + adapter.getName()); |
| 194 | } |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 195 | |
Jeff Brown | bf5740e | 2012-08-19 23:20:02 -0700 | [diff] [blame] | 196 | pw.println("Default display info: " + mDefaultDisplayInfo); |
Jeff Brown | 848c2dc | 2012-08-19 20:18:08 -0700 | [diff] [blame] | 197 | } |
Jeff Brown | bf5740e | 2012-08-19 23:20:02 -0700 | [diff] [blame] | 198 | |
| 199 | pw.println("Default display: " |
| 200 | + DisplayManager.getInstance().getRealDisplay(Display.DEFAULT_DISPLAY)); |
Craig Mautner | 9de4936 | 2012-08-02 14:30:30 -0700 | [diff] [blame] | 201 | } |
Jeff Brown | fa25bf5 | 2012-07-23 19:26:30 -0700 | [diff] [blame] | 202 | } |