LogicalDisplay.java revision 037c33eae74bee2774897d969d48947f9abe254f
14ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown/* 24ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Copyright (C) 2012 The Android Open Source Project 34ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 44ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Licensed under the Apache License, Version 2.0 (the "License"); 54ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * you may not use this file except in compliance with the License. 64ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * You may obtain a copy of the License at 74ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 84ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * http://www.apache.org/licenses/LICENSE-2.0 94ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 104ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Unless required by applicable law or agreed to in writing, software 114ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * distributed under the License is distributed on an "AS IS" BASIS, 124ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 134ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * See the License for the specific language governing permissions and 144ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * limitations under the License. 154ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 164ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 174ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownpackage com.android.server.display; 184ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 194ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport android.graphics.Rect; 20c5df37c285221d0fb113f55b9e78b35632241d3fJeff Brownimport android.view.Display; 214ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport android.view.DisplayInfo; 224ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport android.view.Surface; 234ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 244ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport java.io.PrintWriter; 254ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport java.util.List; 264ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 274ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownimport libcore.util.Objects; 284ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 294ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown/** 304ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Describes how a logical display is configured. 314ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * <p> 324ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * At this time, we only support logical displays that are coupled to a particular 334ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * primary display device from which the logical display derives its basic properties 344ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * such as its size, density and refresh rate. 354ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * </p><p> 364ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * A logical display may be mirrored onto multiple display devices in addition to its 374ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * primary display device. Note that the contents of a logical display may not 384ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * always be visible, even on its primary display device, such as in the case where 394ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * the primary display device is currently mirroring content from a different 404ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * logical display. 414ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * </p><p> 424ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * This object is designed to encapsulate as much of the policy of logical 434ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * displays as possible. The idea is to make it easy to implement new kinds of 444ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * logical displays mostly by making local changes to this class. 454ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * </p><p> 464ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Note: The display manager architecture does not actually require logical displays 474ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * to be associated with any individual display device. Logical displays and 484ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * display devices are orthogonal concepts. Some mapping will exist between 494ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * logical displays and display devices but it can be many-to-many and 504ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * and some might have no relation at all. 514ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * </p><p> 524ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Logical displays are guarded by the {@link DisplayManagerService.SyncRoot} lock. 534ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * </p> 544ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 554ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brownfinal class LogicalDisplay { 564ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private final DisplayInfo mBaseDisplayInfo = new DisplayInfo(); 574ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 588ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown // The layer stack we use when the display has been blanked to prevent any 598ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown // of its content from appearing. 608ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown private static final int BLANK_LAYER_STACK = -1; 618ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown 62d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown private final int mDisplayId; 634ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private final int mLayerStack; 644ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private DisplayInfo mOverrideDisplayInfo; // set by the window manager 654ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private DisplayInfo mInfo; 664ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 674ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // The display device that this logical display is based on and which 684ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // determines the base metrics that it uses. 694ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private DisplayDevice mPrimaryDisplayDevice; 704ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown private DisplayDeviceInfo mPrimaryDisplayDeviceInfo; 714ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 72722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner // True if the logical display has unique content. 73722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner private boolean mHasContent; 74722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner 754ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Temporary rectangle used when needed. 7663f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian private final Rect mTempLayerStackRect = new Rect(); 7763f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian private final Rect mTempDisplayRect = new Rect(); 784ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 79d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown public LogicalDisplay(int displayId, int layerStack, DisplayDevice primaryDisplayDevice) { 80d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown mDisplayId = displayId; 814ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mLayerStack = layerStack; 824ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mPrimaryDisplayDevice = primaryDisplayDevice; 834ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 844ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 854ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 86d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown * Gets the logical display id of this logical display. 87d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown * 88d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown * @return The logical display id. 89d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown */ 90d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown public int getDisplayIdLocked() { 91d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown return mDisplayId; 92d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown } 93d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown 94d728bf514f257670fcb9aa22c6eaf97626072c93Jeff Brown /** 954ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Gets the primary display device associated with this logical display. 964ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 974ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @return The primary display device. 984ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 994ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown public DisplayDevice getPrimaryDisplayDeviceLocked() { 1004ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown return mPrimaryDisplayDevice; 1014ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1024ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 1034ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 1044ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Gets information about the logical display. 1054ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 1064ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @return The device info, which should be treated as immutable by the caller. 1074ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * The logical display should allocate a new display info object whenever 1084ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * the data changes. 1094ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 1104ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown public DisplayInfo getDisplayInfoLocked() { 1114ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (mInfo == null) { 1124ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo = new DisplayInfo(); 1134ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (mOverrideDisplayInfo != null) { 1144ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo.copyFrom(mOverrideDisplayInfo); 1154ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo.layerStack = mBaseDisplayInfo.layerStack; 1164ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo.name = mBaseDisplayInfo.name; 117037c33eae74bee2774897d969d48947f9abe254fJeff Brown mInfo.state = mBaseDisplayInfo.state; 1184ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } else { 1194ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo.copyFrom(mBaseDisplayInfo); 1204ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1214ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1224ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown return mInfo; 1234ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1244ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 1254ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 1264ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Sets overridden logical display information from the window manager. 1274ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * This method can be used to adjust application insets, rotation, and other 1284ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * properties that the window manager takes care of. 1294ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 1304ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @param info The logical display information, may be null. 1314ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 132ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown public boolean setDisplayInfoOverrideFromWindowManagerLocked(DisplayInfo info) { 1334ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (info != null) { 1344ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (mOverrideDisplayInfo == null) { 1354ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mOverrideDisplayInfo = new DisplayInfo(info); 1364ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo = null; 137ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown return true; 138ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown } 139ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown if (!mOverrideDisplayInfo.equals(info)) { 1404ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mOverrideDisplayInfo.copyFrom(info); 1414ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo = null; 142ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown return true; 1434ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1444ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } else if (mOverrideDisplayInfo != null) { 1454ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mOverrideDisplayInfo = null; 1464ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo = null; 147ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown return true; 1484ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 149ef981a40aa63069dc115b216ce38d1dd939dc64cJeff Brown return false; 150c652de8141f5b8e3c6bcf8916842b6e106413b1aDianne Hackborn } 151c652de8141f5b8e3c6bcf8916842b6e106413b1aDianne Hackborn 1524ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 1534ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Returns true if the logical display is in a valid state. 154722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * This method should be checked after calling {@link #updateLocked} to handle the 1554ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * case where a logical display should be removed because all of its associated 1564ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * display devices are gone or if it is otherwise no longer needed. 1574ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 1584ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @return True if the logical display is still valid. 1594ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 1604ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown public boolean isValidLocked() { 1614ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown return mPrimaryDisplayDevice != null; 1624ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1634ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 1644ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 1654ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Updates the state of the logical display based on the available display devices. 1664ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * The logical display might become invalid if it is attached to a display device 1674ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * that no longer exists. 1684ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 1694ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @param devices The list of all connected display devices. 1704ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 1714ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown public void updateLocked(List<DisplayDevice> devices) { 1724ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Nothing to update if already invalid. 1734ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (mPrimaryDisplayDevice == null) { 1744ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown return; 1754ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1764ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 1774ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Check whether logical display has become invalid. 1784ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (!devices.contains(mPrimaryDisplayDevice)) { 1794ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mPrimaryDisplayDevice = null; 1804ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown return; 1814ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 1824ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 1834ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Bootstrap the logical display using its associated primary physical display. 1844ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // We might use more elaborate configurations later. It's possible that the 1854ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // configuration of several physical displays might be used to determine the 1864ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // logical display that they are sharing. (eg. Adjust size for pixel-perfect 1874ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // mirroring over HDMI.) 1884ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown DisplayDeviceInfo deviceInfo = mPrimaryDisplayDevice.getDisplayDeviceInfoLocked(); 1894ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (!Objects.equal(mPrimaryDisplayDeviceInfo, deviceInfo)) { 1904ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.layerStack = mLayerStack; 191c5df37c285221d0fb113f55b9e78b35632241d3fJeff Brown mBaseDisplayInfo.flags = 0; 19277aebfdbae489c3712ae3f9bca29d01fb1f09dc2Jeff Brown if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_SUPPORTS_PROTECTED_BUFFERS) != 0) { 19377aebfdbae489c3712ae3f9bca29d01fb1f09dc2Jeff Brown mBaseDisplayInfo.flags |= Display.FLAG_SUPPORTS_PROTECTED_BUFFERS; 194c5df37c285221d0fb113f55b9e78b35632241d3fJeff Brown } 195f0681b34dffc1510cbd9c3da5c3a7e695553fa8dJeff Brown if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_SECURE) != 0) { 196f0681b34dffc1510cbd9c3da5c3a7e695553fa8dJeff Brown mBaseDisplayInfo.flags |= Display.FLAG_SECURE; 197f0681b34dffc1510cbd9c3da5c3a7e695553fa8dJeff Brown } 198a506a6ec94863a35acca9feb165db76ddac3892cJeff Brown if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_PRIVATE) != 0) { 199a506a6ec94863a35acca9feb165db76ddac3892cJeff Brown mBaseDisplayInfo.flags |= Display.FLAG_PRIVATE; 200a506a6ec94863a35acca9feb165db76ddac3892cJeff Brown } 2017d00affce6e25b22fd8fc135933b3bf6b547a0dcJeff Brown if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_PRESENTATION) != 0) { 2027d00affce6e25b22fd8fc135933b3bf6b547a0dcJeff Brown mBaseDisplayInfo.flags |= Display.FLAG_PRESENTATION; 2037d00affce6e25b22fd8fc135933b3bf6b547a0dcJeff Brown } 20492130f6407dc51c58b3b941d28a6daf4e04b8d62Jeff Brown mBaseDisplayInfo.type = deviceInfo.type; 20592130f6407dc51c58b3b941d28a6daf4e04b8d62Jeff Brown mBaseDisplayInfo.address = deviceInfo.address; 2064ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.name = deviceInfo.name; 2074ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.appWidth = deviceInfo.width; 2084ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.appHeight = deviceInfo.height; 2094ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.logicalWidth = deviceInfo.width; 2104ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.logicalHeight = deviceInfo.height; 2114ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.rotation = Surface.ROTATION_0; 2124ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.refreshRate = deviceInfo.refreshRate; 2134ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.logicalDensityDpi = deviceInfo.densityDpi; 2144ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.physicalXDpi = deviceInfo.xDpi; 2154ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.physicalYDpi = deviceInfo.yDpi; 216037c33eae74bee2774897d969d48947f9abe254fJeff Brown mBaseDisplayInfo.state = deviceInfo.state; 2174ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.smallestNominalAppWidth = deviceInfo.width; 2184ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.smallestNominalAppHeight = deviceInfo.height; 2194ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.largestNominalAppWidth = deviceInfo.width; 2204ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mBaseDisplayInfo.largestNominalAppHeight = deviceInfo.height; 221a506a6ec94863a35acca9feb165db76ddac3892cJeff Brown mBaseDisplayInfo.ownerUid = deviceInfo.ownerUid; 222a506a6ec94863a35acca9feb165db76ddac3892cJeff Brown mBaseDisplayInfo.ownerPackageName = deviceInfo.ownerPackageName; 2234ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2244ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mPrimaryDisplayDeviceInfo = deviceInfo; 2254ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mInfo = null; 2264ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 2274ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 2284ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2294ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown /** 2304ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * Applies the layer stack and transformation to the given display device 2314ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * so that it shows the contents of this logical display. 2324ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 2334ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * We know that the given display device is only ever showing the contents of 2344ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * a single logical display, so this method is expected to blow away all of its 2354ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * transformation properties to make it happen regardless of what the 2364ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * display device was previously showing. 2374ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 2384ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * The caller must have an open Surface transaction. 2394ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 2404ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * The display device may not be the primary display device, in the case 2414ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * where the display is being mirrored. 2424ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * 2434ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown * @param device The display device to modify. 2448ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown * @param isBlanked True if the device is being blanked. 2454ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown */ 2468ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown public void configureDisplayInTransactionLocked(DisplayDevice device, 2478ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown boolean isBlanked) { 2484ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown final DisplayInfo displayInfo = getDisplayInfoLocked(); 2494ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown final DisplayDeviceInfo displayDeviceInfo = device.getDisplayDeviceInfoLocked(); 2504ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2514ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Set the layer stack. 2528ec0943a7963178da838e4b6b842ec1109707b35Jeff Brown device.setLayerStackInTransactionLocked(isBlanked ? BLANK_LAYER_STACK : mLayerStack); 2534ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2544ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Set the viewport. 2554ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // This is the area of the logical display that we intend to show on the 2564ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // display device. For now, it is always the full size of the logical display. 25763f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian mTempLayerStackRect.set(0, 0, displayInfo.logicalWidth, displayInfo.logicalHeight); 2584ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2594ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Set the orientation. 2604ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // The orientation specifies how the physical coordinate system of the display 2614ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // is rotated when the contents of the logical display are rendered. 2624ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown int orientation = Surface.ROTATION_0; 2634ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (device == mPrimaryDisplayDevice 26427f1d674bf9fb53af7facdcb746912e036d5bf75Jeff Brown && (displayDeviceInfo.flags & DisplayDeviceInfo.FLAG_ROTATES_WITH_CONTENT) != 0) { 2654ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown orientation = displayInfo.rotation; 2664ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 2674ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 26827f1d674bf9fb53af7facdcb746912e036d5bf75Jeff Brown // Apply the physical rotation of the display device itself. 26927f1d674bf9fb53af7facdcb746912e036d5bf75Jeff Brown orientation = (orientation + displayDeviceInfo.rotation) % 4; 27027f1d674bf9fb53af7facdcb746912e036d5bf75Jeff Brown 2714ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Set the frame. 2724ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // The frame specifies the rotated physical coordinates into which the viewport 2734ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // is mapped. We need to take care to preserve the aspect ratio of the viewport. 2744ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Currently we maximize the area to fill the display, but we could try to be 2754ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // more clever and match resolutions. 2764ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown boolean rotated = (orientation == Surface.ROTATION_90 2774ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown || orientation == Surface.ROTATION_270); 2784ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown int physWidth = rotated ? displayDeviceInfo.height : displayDeviceInfo.width; 2794ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown int physHeight = rotated ? displayDeviceInfo.width : displayDeviceInfo.height; 2804ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 2814ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Determine whether the width or height is more constrained to be scaled. 2824ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // physWidth / displayInfo.logicalWidth => letter box 2834ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // or physHeight / displayInfo.logicalHeight => pillar box 2844ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // 2854ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // We avoid a division (and possible floating point imprecision) here by 2864ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // multiplying the fractions by the product of their denominators before 2874ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // comparing them. 28863f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian int displayRectWidth, displayRectHeight; 2894ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown if (physWidth * displayInfo.logicalHeight 2904ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown < physHeight * displayInfo.logicalWidth) { 2914ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Letter box. 29263f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian displayRectWidth = physWidth; 29363f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian displayRectHeight = displayInfo.logicalHeight * physWidth / displayInfo.logicalWidth; 2944ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } else { 2954ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown // Pillar box. 29663f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian displayRectWidth = displayInfo.logicalWidth * physHeight / displayInfo.logicalHeight; 29763f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian displayRectHeight = physHeight; 2984ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 29963f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian int displayRectTop = (physHeight - displayRectHeight) / 2; 30063f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian int displayRectLeft = (physWidth - displayRectWidth) / 2; 30163f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian mTempDisplayRect.set(displayRectLeft, displayRectTop, 30263f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian displayRectLeft + displayRectWidth, displayRectTop + displayRectHeight); 30363f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian 30463f1c43fbef157397869475ef30d23e631b88bbeMathias Agopian device.setProjectionInTransactionLocked(orientation, mTempLayerStackRect, mTempDisplayRect); 3054ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 3064ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown 307722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner /** 308722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * Returns true if the logical display has unique content. 309722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * <p> 310722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * If the display has unique content then we will try to ensure that it is 311722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * visible on at least its primary display device. Otherwise we will ignore the 312722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * logical display and perhaps show mirrored content on the primary display device. 313722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * </p> 314722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * 315722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * @return True if the display has unique content. 316722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner */ 317722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner public boolean hasContentLocked() { 318722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner return mHasContent; 319722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner } 320722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner 321722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner /** 322722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * Sets whether the logical display has unique content. 323722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * 324722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner * @param hasContent True if the display has unique content. 325722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner */ 326722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner public void setHasContentLocked(boolean hasContent) { 327722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner mHasContent = hasContent; 328722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner } 329722285e199a9fc74b9b3343b7505c00666848c88Craig Mautner 3304ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown public void dumpLocked(PrintWriter pw) { 331c2726643e74873c544efc2769a5ab2a445c433c4Jeff Brown pw.println("mDisplayId=" + mDisplayId); 3324ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown pw.println("mLayerStack=" + mLayerStack); 333c2726643e74873c544efc2769a5ab2a445c433c4Jeff Brown pw.println("mHasContent=" + mHasContent); 3344ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown pw.println("mPrimaryDisplayDevice=" + (mPrimaryDisplayDevice != null ? 3354ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown mPrimaryDisplayDevice.getNameLocked() : "null")); 3364ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown pw.println("mBaseDisplayInfo=" + mBaseDisplayInfo); 3374ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown pw.println("mOverrideDisplayInfo=" + mOverrideDisplayInfo); 3384ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown } 3394ed8fe75e1dde1a2b9576f3862aecc5a572c56b5Jeff Brown}