Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.wm; |
| 18 | |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 19 | import static android.view.WindowManager.REMOVE_CONTENT_MODE_DESTROY; |
| 20 | import static android.view.WindowManager.REMOVE_CONTENT_MODE_MOVE_TO_PRIMARY; |
| 21 | import static android.view.WindowManager.REMOVE_CONTENT_MODE_UNDEFINED; |
| 22 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 23 | import static com.android.server.wm.DisplayContent.FORCE_SCALING_MODE_AUTO; |
| 24 | import static com.android.server.wm.DisplayContent.FORCE_SCALING_MODE_DISABLED; |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 25 | import static com.android.server.wm.DisplayRotation.FIXED_TO_USER_ROTATION_DEFAULT; |
Filip Gruszczynski | 0bd180d | 2015-12-07 15:43:52 -0800 | [diff] [blame] | 26 | import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| 27 | import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| 28 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 29 | import android.annotation.IntDef; |
| 30 | import android.annotation.Nullable; |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 31 | import android.app.WindowConfiguration; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 32 | import android.os.Environment; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 33 | import android.provider.Settings; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 34 | import android.util.AtomicFile; |
| 35 | import android.util.Slog; |
| 36 | import android.util.Xml; |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 37 | import android.view.Display; |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 38 | import android.view.DisplayAddress; |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 39 | import android.view.DisplayInfo; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 40 | import android.view.Surface; |
Filip Gruszczynski | 0bd180d | 2015-12-07 15:43:52 -0800 | [diff] [blame] | 41 | |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 42 | import com.android.internal.annotations.VisibleForTesting; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 43 | import com.android.internal.util.FastXmlSerializer; |
| 44 | import com.android.internal.util.XmlUtils; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 45 | import com.android.server.policy.WindowManagerPolicy; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 46 | import com.android.server.wm.DisplayContent.ForceScalingMode; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 47 | |
| 48 | import org.xmlpull.v1.XmlPullParser; |
| 49 | import org.xmlpull.v1.XmlPullParserException; |
| 50 | import org.xmlpull.v1.XmlSerializer; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 51 | |
| 52 | import java.io.File; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 53 | import java.io.FileNotFoundException; |
| 54 | import java.io.FileOutputStream; |
| 55 | import java.io.IOException; |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 56 | import java.io.InputStream; |
| 57 | import java.io.OutputStream; |
Wojciech Staszkiewicz | 9e9e2e7 | 2015-05-08 14:58:46 +0100 | [diff] [blame] | 58 | import java.nio.charset.StandardCharsets; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 59 | import java.util.HashMap; |
| 60 | |
| 61 | /** |
| 62 | * Current persistent settings about a display |
| 63 | */ |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 64 | class DisplayWindowSettings { |
| 65 | private static final String TAG = TAG_WITH_CLASS_NAME ? "DisplayWindowSettings" : TAG_WM; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 66 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 67 | private static final int IDENTIFIER_UNIQUE_ID = 0; |
| 68 | private static final int IDENTIFIER_PORT = 1; |
| 69 | @IntDef(prefix = { "IDENTIFIER_" }, value = { |
| 70 | IDENTIFIER_UNIQUE_ID, |
| 71 | IDENTIFIER_PORT, |
| 72 | }) |
| 73 | @interface DisplayIdentifierType {} |
| 74 | |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 75 | private final WindowManagerService mService; |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 76 | private final HashMap<String, Entry> mEntries = new HashMap<>(); |
| 77 | private final SettingPersister mStorage; |
| 78 | |
| 79 | /** |
| 80 | * The preferred type of a display identifier to use when storing and retrieving entries. |
| 81 | * {@link #getIdentifier(DisplayInfo)} must be used to get current preferred identifier for each |
| 82 | * display. It will fall back to using {@link #IDENTIFIER_UNIQUE_ID} if the currently selected |
| 83 | * one is not applicable to a particular display. |
| 84 | */ |
| 85 | @DisplayIdentifierType |
| 86 | private int mIdentifier = IDENTIFIER_UNIQUE_ID; |
| 87 | |
| 88 | /** Interface for persisting the display window settings. */ |
| 89 | interface SettingPersister { |
| 90 | InputStream openRead() throws IOException; |
| 91 | OutputStream startWrite() throws IOException; |
| 92 | void finishWrite(OutputStream os, boolean success); |
| 93 | } |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 94 | |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 95 | private static class Entry { |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 96 | private final String mName; |
| 97 | private int mOverscanLeft; |
| 98 | private int mOverscanTop; |
| 99 | private int mOverscanRight; |
| 100 | private int mOverscanBottom; |
| 101 | private int mWindowingMode = WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| 102 | private int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE; |
| 103 | private int mUserRotation = Surface.ROTATION_0; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 104 | private int mForcedWidth; |
| 105 | private int mForcedHeight; |
| 106 | private int mForcedDensity; |
| 107 | private int mForcedScalingMode = FORCE_SCALING_MODE_AUTO; |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 108 | private int mRemoveContentMode = REMOVE_CONTENT_MODE_UNDEFINED; |
| 109 | private boolean mShouldShowWithInsecureKeyguard = false; |
| 110 | private boolean mShouldShowSystemDecors = false; |
| 111 | private boolean mShouldShowIme = false; |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 112 | private @DisplayRotation.FixedToUserRotation int mFixedToUserRotation = |
| 113 | FIXED_TO_USER_ROTATION_DEFAULT; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 114 | |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 115 | private Entry(String name) { |
| 116 | mName = name; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 117 | } |
| 118 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 119 | private Entry(String name, Entry copyFrom) { |
| 120 | this(name); |
| 121 | mOverscanLeft = copyFrom.mOverscanLeft; |
| 122 | mOverscanTop = copyFrom.mOverscanTop; |
| 123 | mOverscanRight = copyFrom.mOverscanRight; |
| 124 | mOverscanBottom = copyFrom.mOverscanBottom; |
| 125 | mWindowingMode = copyFrom.mWindowingMode; |
| 126 | mUserRotationMode = copyFrom.mUserRotationMode; |
| 127 | mUserRotation = copyFrom.mUserRotation; |
| 128 | mForcedWidth = copyFrom.mForcedWidth; |
| 129 | mForcedHeight = copyFrom.mForcedHeight; |
| 130 | mForcedDensity = copyFrom.mForcedDensity; |
| 131 | mForcedScalingMode = copyFrom.mForcedScalingMode; |
| 132 | mRemoveContentMode = copyFrom.mRemoveContentMode; |
| 133 | mShouldShowWithInsecureKeyguard = copyFrom.mShouldShowWithInsecureKeyguard; |
| 134 | mShouldShowSystemDecors = copyFrom.mShouldShowSystemDecors; |
| 135 | mShouldShowIme = copyFrom.mShouldShowIme; |
| 136 | mFixedToUserRotation = copyFrom.mFixedToUserRotation; |
| 137 | } |
| 138 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 139 | /** @return {@code true} if all values are default. */ |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 140 | private boolean isEmpty() { |
| 141 | return mOverscanLeft == 0 && mOverscanTop == 0 && mOverscanRight == 0 |
| 142 | && mOverscanBottom == 0 |
| 143 | && mWindowingMode == WindowConfiguration.WINDOWING_MODE_UNDEFINED |
| 144 | && mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 145 | && mUserRotation == Surface.ROTATION_0 |
| 146 | && mForcedWidth == 0 && mForcedHeight == 0 && mForcedDensity == 0 |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 147 | && mForcedScalingMode == FORCE_SCALING_MODE_AUTO |
| 148 | && mRemoveContentMode == REMOVE_CONTENT_MODE_UNDEFINED |
| 149 | && !mShouldShowWithInsecureKeyguard |
| 150 | && !mShouldShowSystemDecors |
Garfield Tan | ff36222 | 2018-11-14 17:52:32 -0800 | [diff] [blame] | 151 | && !mShouldShowIme |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 152 | && mFixedToUserRotation == FIXED_TO_USER_ROTATION_DEFAULT; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 153 | } |
| 154 | } |
| 155 | |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 156 | DisplayWindowSettings(WindowManagerService service) { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 157 | this(service, new AtomicFileStorage()); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 158 | } |
| 159 | |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 160 | @VisibleForTesting |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 161 | DisplayWindowSettings(WindowManagerService service, SettingPersister storageImpl) { |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 162 | mService = service; |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 163 | mStorage = storageImpl; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 164 | readSettings(); |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 165 | } |
| 166 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 167 | private @Nullable Entry getEntry(DisplayInfo displayInfo) { |
| 168 | final String identifier = getIdentifier(displayInfo); |
Wale Ogunwale | 361ca21 | 2014-11-20 11:42:38 -0800 | [diff] [blame] | 169 | Entry entry; |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 170 | // Try to get corresponding entry using preferred identifier for the current config. |
| 171 | if ((entry = mEntries.get(identifier)) != null) { |
| 172 | return entry; |
Wale Ogunwale | 361ca21 | 2014-11-20 11:42:38 -0800 | [diff] [blame] | 173 | } |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 174 | // Else, fall back to the display name. |
| 175 | if ((entry = mEntries.get(displayInfo.name)) != null) { |
| 176 | // Found an entry stored with old identifier - upgrade to the new type now. |
| 177 | return updateIdentifierForEntry(entry, displayInfo); |
| 178 | } |
| 179 | return null; |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 182 | private Entry getOrCreateEntry(DisplayInfo displayInfo) { |
| 183 | final Entry entry = getEntry(displayInfo); |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 184 | return entry != null ? entry : new Entry(getIdentifier(displayInfo)); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Upgrades the identifier of a legacy entry. Does it by copying the data from the old record |
| 189 | * and clearing the old key in memory. The entry will be written to storage next time when a |
| 190 | * setting changes. |
| 191 | */ |
| 192 | private Entry updateIdentifierForEntry(Entry entry, DisplayInfo displayInfo) { |
| 193 | final Entry newEntry = new Entry(getIdentifier(displayInfo), entry); |
| 194 | removeEntry(displayInfo); |
| 195 | mEntries.put(newEntry.mName, newEntry); |
| 196 | return newEntry; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 197 | } |
| 198 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 199 | void setOverscanLocked(DisplayInfo displayInfo, int left, int top, int right, int bottom) { |
| 200 | final Entry entry = getOrCreateEntry(displayInfo); |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 201 | entry.mOverscanLeft = left; |
| 202 | entry.mOverscanTop = top; |
| 203 | entry.mOverscanRight = right; |
| 204 | entry.mOverscanBottom = bottom; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 205 | writeSettingsIfNeeded(entry, displayInfo); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 206 | } |
| 207 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 208 | void setUserRotation(DisplayContent displayContent, int rotationMode, int rotation) { |
| 209 | final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| 210 | final Entry entry = getOrCreateEntry(displayInfo); |
| 211 | entry.mUserRotationMode = rotationMode; |
| 212 | entry.mUserRotation = rotation; |
| 213 | writeSettingsIfNeeded(entry, displayInfo); |
| 214 | } |
| 215 | |
| 216 | void setForcedSize(DisplayContent displayContent, int width, int height) { |
| 217 | if (displayContent.isDefaultDisplay) { |
| 218 | final String sizeString = (width == 0 || height == 0) ? "" : (width + "," + height); |
| 219 | Settings.Global.putString(mService.mContext.getContentResolver(), |
| 220 | Settings.Global.DISPLAY_SIZE_FORCED, sizeString); |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| 225 | final Entry entry = getOrCreateEntry(displayInfo); |
| 226 | entry.mForcedWidth = width; |
| 227 | entry.mForcedHeight = height; |
| 228 | writeSettingsIfNeeded(entry, displayInfo); |
| 229 | } |
| 230 | |
| 231 | void setForcedDensity(DisplayContent displayContent, int density, int userId) { |
| 232 | if (displayContent.isDefaultDisplay) { |
| 233 | final String densityString = density == 0 ? "" : Integer.toString(density); |
| 234 | Settings.Secure.putStringForUser(mService.mContext.getContentResolver(), |
| 235 | Settings.Secure.DISPLAY_DENSITY_FORCED, densityString, userId); |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| 240 | final Entry entry = getOrCreateEntry(displayInfo); |
| 241 | entry.mForcedDensity = density; |
| 242 | writeSettingsIfNeeded(entry, displayInfo); |
| 243 | } |
| 244 | |
| 245 | void setForcedScalingMode(DisplayContent displayContent, @ForceScalingMode int mode) { |
| 246 | if (displayContent.isDefaultDisplay) { |
| 247 | Settings.Global.putInt(mService.mContext.getContentResolver(), |
| 248 | Settings.Global.DISPLAY_SCALING_FORCE, mode); |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| 253 | final Entry entry = getOrCreateEntry(displayInfo); |
| 254 | entry.mForcedScalingMode = mode; |
| 255 | writeSettingsIfNeeded(entry, displayInfo); |
| 256 | } |
| 257 | |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 258 | void setFixedToUserRotation(DisplayContent displayContent, |
| 259 | @DisplayRotation.FixedToUserRotation int fixedToUserRotation) { |
Garfield Tan | ff36222 | 2018-11-14 17:52:32 -0800 | [diff] [blame] | 260 | final DisplayInfo displayInfo = displayContent.getDisplayInfo(); |
| 261 | final Entry entry = getOrCreateEntry(displayInfo); |
| 262 | entry.mFixedToUserRotation = fixedToUserRotation; |
| 263 | writeSettingsIfNeeded(entry, displayInfo); |
| 264 | } |
| 265 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 266 | private int getWindowingModeLocked(Entry entry, int displayId) { |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 267 | int windowingMode = entry != null ? entry.mWindowingMode |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 268 | : WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| 269 | // This display used to be in freeform, but we don't support freeform anymore, so fall |
| 270 | // back to fullscreen. |
| 271 | if (windowingMode == WindowConfiguration.WINDOWING_MODE_FREEFORM |
| 272 | && !mService.mSupportsFreeformWindowManagement) { |
| 273 | return WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| 274 | } |
| 275 | // No record is present so use default windowing mode policy. |
| 276 | if (windowingMode == WindowConfiguration.WINDOWING_MODE_UNDEFINED) { |
Andrii Kulian | 15cfb42 | 2018-11-07 13:38:49 -0800 | [diff] [blame] | 277 | final boolean forceDesktopMode = mService.mForceDesktopModeOnExternalDisplays |
| 278 | && displayId != Display.DEFAULT_DISPLAY; |
| 279 | windowingMode = mService.mSupportsFreeformWindowManagement |
| 280 | && (mService.mIsPc || forceDesktopMode) |
| 281 | ? WindowConfiguration.WINDOWING_MODE_FREEFORM |
| 282 | : WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 283 | } |
| 284 | return windowingMode; |
| 285 | } |
| 286 | |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 287 | int getWindowingModeLocked(DisplayContent dc) { |
| 288 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 289 | final Entry entry = getEntry(displayInfo); |
| 290 | return getWindowingModeLocked(entry, dc.getDisplayId()); |
| 291 | } |
| 292 | |
| 293 | void setWindowingModeLocked(DisplayContent dc, int mode) { |
| 294 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 295 | final Entry entry = getOrCreateEntry(displayInfo); |
| 296 | entry.mWindowingMode = mode; |
| 297 | dc.setWindowingMode(mode); |
| 298 | writeSettingsIfNeeded(entry, displayInfo); |
| 299 | } |
| 300 | |
| 301 | int getRemoveContentModeLocked(DisplayContent dc) { |
| 302 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 303 | final Entry entry = getEntry(displayInfo); |
| 304 | if (entry == null || entry.mRemoveContentMode == REMOVE_CONTENT_MODE_UNDEFINED) { |
| 305 | if (dc.isPrivate()) { |
| 306 | // For private displays by default content is destroyed on removal. |
| 307 | return REMOVE_CONTENT_MODE_DESTROY; |
| 308 | } |
| 309 | // For other displays by default content is moved to primary on removal. |
| 310 | return REMOVE_CONTENT_MODE_MOVE_TO_PRIMARY; |
| 311 | } |
| 312 | return entry.mRemoveContentMode; |
| 313 | } |
| 314 | |
| 315 | void setRemoveContentModeLocked(DisplayContent dc, int mode) { |
| 316 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 317 | final Entry entry = getOrCreateEntry(displayInfo); |
| 318 | entry.mRemoveContentMode = mode; |
| 319 | writeSettingsIfNeeded(entry, displayInfo); |
| 320 | } |
| 321 | |
| 322 | boolean shouldShowWithInsecureKeyguardLocked(DisplayContent dc) { |
| 323 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 324 | final Entry entry = getEntry(displayInfo); |
| 325 | if (entry == null) { |
| 326 | return false; |
| 327 | } |
| 328 | return entry.mShouldShowWithInsecureKeyguard; |
| 329 | } |
| 330 | |
| 331 | void setShouldShowWithInsecureKeyguardLocked(DisplayContent dc, boolean shouldShow) { |
| 332 | if (!dc.isPrivate() && shouldShow) { |
| 333 | Slog.e(TAG, "Public display can't be allowed to show content when locked"); |
| 334 | return; |
| 335 | } |
| 336 | |
| 337 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 338 | final Entry entry = getOrCreateEntry(displayInfo); |
| 339 | entry.mShouldShowWithInsecureKeyguard = shouldShow; |
| 340 | writeSettingsIfNeeded(entry, displayInfo); |
| 341 | } |
| 342 | |
| 343 | boolean shouldShowSystemDecorsLocked(DisplayContent dc) { |
| 344 | if (dc.getDisplayId() == Display.DEFAULT_DISPLAY) { |
| 345 | // For default display should show system decors. |
| 346 | return true; |
| 347 | } |
| 348 | |
| 349 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 350 | final Entry entry = getEntry(displayInfo); |
| 351 | if (entry == null) { |
| 352 | return false; |
| 353 | } |
| 354 | return entry.mShouldShowSystemDecors; |
| 355 | } |
| 356 | |
| 357 | void setShouldShowSystemDecorsLocked(DisplayContent dc, boolean shouldShow) { |
| 358 | if (dc.getDisplayId() == Display.DEFAULT_DISPLAY && !shouldShow) { |
| 359 | Slog.e(TAG, "Default display should show system decors"); |
| 360 | return; |
| 361 | } |
| 362 | |
| 363 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 364 | final Entry entry = getOrCreateEntry(displayInfo); |
| 365 | entry.mShouldShowSystemDecors = shouldShow; |
| 366 | writeSettingsIfNeeded(entry, displayInfo); |
| 367 | } |
| 368 | |
| 369 | boolean shouldShowImeLocked(DisplayContent dc) { |
| 370 | if (dc.getDisplayId() == Display.DEFAULT_DISPLAY) { |
| 371 | // For default display should shows IME. |
| 372 | return true; |
| 373 | } |
| 374 | |
| 375 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 376 | final Entry entry = getEntry(displayInfo); |
| 377 | if (entry == null) { |
| 378 | return false; |
| 379 | } |
| 380 | return entry.mShouldShowIme; |
| 381 | } |
| 382 | |
| 383 | void setShouldShowImeLocked(DisplayContent dc, boolean shouldShow) { |
| 384 | if (dc.getDisplayId() == Display.DEFAULT_DISPLAY && !shouldShow) { |
| 385 | Slog.e(TAG, "Default display should show IME"); |
| 386 | return; |
| 387 | } |
| 388 | |
| 389 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
| 390 | final Entry entry = getOrCreateEntry(displayInfo); |
| 391 | entry.mShouldShowIme = shouldShow; |
| 392 | writeSettingsIfNeeded(entry, displayInfo); |
| 393 | } |
| 394 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 395 | void applySettingsToDisplayLocked(DisplayContent dc) { |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 396 | final DisplayInfo displayInfo = dc.getDisplayInfo(); |
Tadashi G. Takaoka | fd91118 | 2018-12-20 18:19:57 +0900 | [diff] [blame] | 397 | final Entry entry = getOrCreateEntry(displayInfo); |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 398 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 399 | // Setting windowing mode first, because it may override overscan values later. |
| 400 | dc.setWindowingMode(getWindowingModeLocked(entry, dc.getDisplayId())); |
| 401 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 402 | displayInfo.overscanLeft = entry.mOverscanLeft; |
| 403 | displayInfo.overscanTop = entry.mOverscanTop; |
| 404 | displayInfo.overscanRight = entry.mOverscanRight; |
| 405 | displayInfo.overscanBottom = entry.mOverscanBottom; |
| 406 | |
Garfield Tan | ff36222 | 2018-11-14 17:52:32 -0800 | [diff] [blame] | 407 | dc.getDisplayRotation().restoreSettings(entry.mUserRotationMode, |
| 408 | entry.mUserRotation, entry.mFixedToUserRotation); |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 409 | |
| 410 | if (entry.mForcedDensity != 0) { |
| 411 | dc.mBaseDisplayDensity = entry.mForcedDensity; |
| 412 | } |
| 413 | if (entry.mForcedWidth != 0 && entry.mForcedHeight != 0) { |
| 414 | dc.updateBaseDisplayMetrics(entry.mForcedWidth, entry.mForcedHeight, |
| 415 | dc.mBaseDisplayDensity); |
| 416 | } |
| 417 | dc.mDisplayScalingDisabled = entry.mForcedScalingMode == FORCE_SCALING_MODE_DISABLED; |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 418 | } |
| 419 | |
Garfield Tan | b5910b4 | 2019-03-14 14:50:59 -0700 | [diff] [blame] | 420 | /** |
| 421 | * Updates settings for the given display after system features are loaded into window manager |
| 422 | * service, e.g. if this device is PC and if this device supports freeform. |
| 423 | * |
| 424 | * @param dc the given display. |
| 425 | * @return {@code true} if any settings for this display has changed; {@code false} if nothing |
| 426 | * changed. |
| 427 | */ |
| 428 | boolean updateSettingsForDisplay(DisplayContent dc) { |
| 429 | if (dc.getWindowingMode() != getWindowingModeLocked(dc)) { |
| 430 | // For the time being the only thing that may change is windowing mode, so just update |
| 431 | // that. |
| 432 | dc.setWindowingMode(getWindowingModeLocked(dc)); |
| 433 | return true; |
| 434 | } |
| 435 | return false; |
| 436 | } |
| 437 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 438 | private void readSettings() { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 439 | InputStream stream; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 440 | try { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 441 | stream = mStorage.openRead(); |
| 442 | } catch (IOException e) { |
| 443 | Slog.i(TAG, "No existing display settings, starting empty"); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 444 | return; |
| 445 | } |
| 446 | boolean success = false; |
| 447 | try { |
| 448 | XmlPullParser parser = Xml.newPullParser(); |
Wojciech Staszkiewicz | 9e9e2e7 | 2015-05-08 14:58:46 +0100 | [diff] [blame] | 449 | parser.setInput(stream, StandardCharsets.UTF_8.name()); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 450 | int type; |
| 451 | while ((type = parser.next()) != XmlPullParser.START_TAG |
| 452 | && type != XmlPullParser.END_DOCUMENT) { |
Wale Ogunwale | 361ca21 | 2014-11-20 11:42:38 -0800 | [diff] [blame] | 453 | // Do nothing. |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 454 | } |
| 455 | |
| 456 | if (type != XmlPullParser.START_TAG) { |
| 457 | throw new IllegalStateException("no start tag found"); |
| 458 | } |
| 459 | |
| 460 | int outerDepth = parser.getDepth(); |
| 461 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 462 | && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| 463 | if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| 464 | continue; |
| 465 | } |
| 466 | |
| 467 | String tagName = parser.getName(); |
| 468 | if (tagName.equals("display")) { |
| 469 | readDisplay(parser); |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 470 | } else if (tagName.equals("config")) { |
| 471 | readConfig(parser); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 472 | } else { |
| 473 | Slog.w(TAG, "Unknown element under <display-settings>: " |
| 474 | + parser.getName()); |
| 475 | XmlUtils.skipCurrentTag(parser); |
| 476 | } |
| 477 | } |
| 478 | success = true; |
| 479 | } catch (IllegalStateException e) { |
| 480 | Slog.w(TAG, "Failed parsing " + e); |
| 481 | } catch (NullPointerException e) { |
| 482 | Slog.w(TAG, "Failed parsing " + e); |
| 483 | } catch (NumberFormatException e) { |
| 484 | Slog.w(TAG, "Failed parsing " + e); |
| 485 | } catch (XmlPullParserException e) { |
| 486 | Slog.w(TAG, "Failed parsing " + e); |
| 487 | } catch (IOException e) { |
| 488 | Slog.w(TAG, "Failed parsing " + e); |
| 489 | } catch (IndexOutOfBoundsException e) { |
| 490 | Slog.w(TAG, "Failed parsing " + e); |
| 491 | } finally { |
| 492 | if (!success) { |
| 493 | mEntries.clear(); |
| 494 | } |
| 495 | try { |
| 496 | stream.close(); |
| 497 | } catch (IOException e) { |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | private int getIntAttribute(XmlPullParser parser, String name) { |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 503 | return getIntAttribute(parser, name, 0 /* defaultValue */); |
| 504 | } |
| 505 | |
| 506 | private int getIntAttribute(XmlPullParser parser, String name, int defaultValue) { |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 507 | try { |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 508 | final String str = parser.getAttributeValue(null, name); |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 509 | return str != null ? Integer.parseInt(str) : defaultValue; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 510 | } catch (NumberFormatException e) { |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 511 | return defaultValue; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 512 | } |
| 513 | } |
| 514 | |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 515 | private boolean getBooleanAttribute(XmlPullParser parser, String name) { |
| 516 | return getBooleanAttribute(parser, name, false /* defaultValue */); |
| 517 | } |
| 518 | |
| 519 | private boolean getBooleanAttribute(XmlPullParser parser, String name, boolean defaultValue) { |
| 520 | try { |
| 521 | final String str = parser.getAttributeValue(null, name); |
| 522 | return str != null ? Boolean.parseBoolean(str) : defaultValue; |
| 523 | } catch (NumberFormatException e) { |
| 524 | return defaultValue; |
| 525 | } |
| 526 | } |
| 527 | |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 528 | private void readDisplay(XmlPullParser parser) throws NumberFormatException, |
| 529 | XmlPullParserException, IOException { |
| 530 | String name = parser.getAttributeValue(null, "name"); |
| 531 | if (name != null) { |
| 532 | Entry entry = new Entry(name); |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 533 | entry.mOverscanLeft = getIntAttribute(parser, "overscanLeft"); |
| 534 | entry.mOverscanTop = getIntAttribute(parser, "overscanTop"); |
| 535 | entry.mOverscanRight = getIntAttribute(parser, "overscanRight"); |
| 536 | entry.mOverscanBottom = getIntAttribute(parser, "overscanBottom"); |
| 537 | entry.mWindowingMode = getIntAttribute(parser, "windowingMode", |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 538 | WindowConfiguration.WINDOWING_MODE_UNDEFINED); |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 539 | entry.mUserRotationMode = getIntAttribute(parser, "userRotationMode", |
| 540 | WindowManagerPolicy.USER_ROTATION_FREE); |
| 541 | entry.mUserRotation = getIntAttribute(parser, "userRotation", |
| 542 | Surface.ROTATION_0); |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 543 | entry.mForcedWidth = getIntAttribute(parser, "forcedWidth"); |
| 544 | entry.mForcedHeight = getIntAttribute(parser, "forcedHeight"); |
| 545 | entry.mForcedDensity = getIntAttribute(parser, "forcedDensity"); |
| 546 | entry.mForcedScalingMode = getIntAttribute(parser, "forcedScalingMode", |
| 547 | FORCE_SCALING_MODE_AUTO); |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 548 | entry.mRemoveContentMode = getIntAttribute(parser, "removeContentMode", |
| 549 | REMOVE_CONTENT_MODE_UNDEFINED); |
| 550 | entry.mShouldShowWithInsecureKeyguard = getBooleanAttribute(parser, |
| 551 | "shouldShowWithInsecureKeyguard"); |
| 552 | entry.mShouldShowSystemDecors = getBooleanAttribute(parser, "shouldShowSystemDecors"); |
| 553 | entry.mShouldShowIme = getBooleanAttribute(parser, "shouldShowIme"); |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 554 | entry.mFixedToUserRotation = getIntAttribute(parser, "fixedToUserRotation"); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 555 | mEntries.put(name, entry); |
| 556 | } |
| 557 | XmlUtils.skipCurrentTag(parser); |
| 558 | } |
| 559 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 560 | private void readConfig(XmlPullParser parser) throws NumberFormatException, |
| 561 | XmlPullParserException, IOException { |
| 562 | mIdentifier = getIntAttribute(parser, "identifier"); |
| 563 | XmlUtils.skipCurrentTag(parser); |
| 564 | } |
| 565 | |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 566 | private void writeSettingsIfNeeded(Entry changedEntry, DisplayInfo displayInfo) { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 567 | if (changedEntry.isEmpty() && !removeEntry(displayInfo)) { |
| 568 | // The entry didn't exist so nothing is changed and no need to update the file. |
| 569 | return; |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 570 | } |
| 571 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 572 | mEntries.put(getIdentifier(displayInfo), changedEntry); |
| 573 | writeSettings(); |
| 574 | } |
| 575 | |
| 576 | private void writeSettings() { |
| 577 | OutputStream stream; |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 578 | try { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 579 | stream = mStorage.startWrite(); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 580 | } catch (IOException e) { |
| 581 | Slog.w(TAG, "Failed to write display settings: " + e); |
| 582 | return; |
| 583 | } |
| 584 | |
| 585 | try { |
| 586 | XmlSerializer out = new FastXmlSerializer(); |
Wojciech Staszkiewicz | 9e9e2e7 | 2015-05-08 14:58:46 +0100 | [diff] [blame] | 587 | out.setOutput(stream, StandardCharsets.UTF_8.name()); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 588 | out.startDocument(null, true); |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 589 | |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 590 | out.startTag(null, "display-settings"); |
| 591 | |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 592 | out.startTag(null, "config"); |
| 593 | out.attribute(null, "identifier", Integer.toString(mIdentifier)); |
| 594 | out.endTag(null, "config"); |
| 595 | |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 596 | for (Entry entry : mEntries.values()) { |
| 597 | out.startTag(null, "display"); |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 598 | out.attribute(null, "name", entry.mName); |
| 599 | if (entry.mOverscanLeft != 0) { |
| 600 | out.attribute(null, "overscanLeft", Integer.toString(entry.mOverscanLeft)); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 601 | } |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 602 | if (entry.mOverscanTop != 0) { |
| 603 | out.attribute(null, "overscanTop", Integer.toString(entry.mOverscanTop)); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 604 | } |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 605 | if (entry.mOverscanRight != 0) { |
| 606 | out.attribute(null, "overscanRight", Integer.toString(entry.mOverscanRight)); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 607 | } |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 608 | if (entry.mOverscanBottom != 0) { |
| 609 | out.attribute(null, "overscanBottom", Integer.toString(entry.mOverscanBottom)); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 610 | } |
Garfield Tan | 90c9005 | 2018-10-08 12:29:41 -0700 | [diff] [blame] | 611 | if (entry.mWindowingMode != WindowConfiguration.WINDOWING_MODE_UNDEFINED) { |
| 612 | out.attribute(null, "windowingMode", Integer.toString(entry.mWindowingMode)); |
| 613 | } |
| 614 | if (entry.mUserRotationMode != WindowManagerPolicy.USER_ROTATION_FREE) { |
| 615 | out.attribute(null, "userRotationMode", |
| 616 | Integer.toString(entry.mUserRotationMode)); |
| 617 | } |
| 618 | if (entry.mUserRotation != Surface.ROTATION_0) { |
| 619 | out.attribute(null, "userRotation", Integer.toString(entry.mUserRotation)); |
Garfield Tan | e084604 | 2018-07-26 13:42:04 -0700 | [diff] [blame] | 620 | } |
Riddle Hsu | f53da81 | 2018-08-15 22:00:27 +0800 | [diff] [blame] | 621 | if (entry.mForcedWidth != 0 && entry.mForcedHeight != 0) { |
| 622 | out.attribute(null, "forcedWidth", Integer.toString(entry.mForcedWidth)); |
| 623 | out.attribute(null, "forcedHeight", Integer.toString(entry.mForcedHeight)); |
| 624 | } |
| 625 | if (entry.mForcedDensity != 0) { |
| 626 | out.attribute(null, "forcedDensity", Integer.toString(entry.mForcedDensity)); |
| 627 | } |
| 628 | if (entry.mForcedScalingMode != FORCE_SCALING_MODE_AUTO) { |
| 629 | out.attribute(null, "forcedScalingMode", |
| 630 | Integer.toString(entry.mForcedScalingMode)); |
| 631 | } |
Chilun | 8753ad3 | 2018-10-09 15:56:45 +0800 | [diff] [blame] | 632 | if (entry.mRemoveContentMode != REMOVE_CONTENT_MODE_UNDEFINED) { |
| 633 | out.attribute(null, "removeContentMode", |
| 634 | Integer.toString(entry.mRemoveContentMode)); |
| 635 | } |
| 636 | if (entry.mShouldShowWithInsecureKeyguard) { |
| 637 | out.attribute(null, "shouldShowWithInsecureKeyguard", |
| 638 | Boolean.toString(entry.mShouldShowWithInsecureKeyguard)); |
| 639 | } |
| 640 | if (entry.mShouldShowSystemDecors) { |
| 641 | out.attribute(null, "shouldShowSystemDecors", |
| 642 | Boolean.toString(entry.mShouldShowSystemDecors)); |
| 643 | } |
| 644 | if (entry.mShouldShowIme) { |
| 645 | out.attribute(null, "shouldShowIme", Boolean.toString(entry.mShouldShowIme)); |
| 646 | } |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 647 | if (entry.mFixedToUserRotation != FIXED_TO_USER_ROTATION_DEFAULT) { |
Garfield Tan | ff36222 | 2018-11-14 17:52:32 -0800 | [diff] [blame] | 648 | out.attribute(null, "fixedToUserRotation", |
Garfield Tan | 7fbca05 | 2019-02-19 10:45:35 -0800 | [diff] [blame] | 649 | Integer.toString(entry.mFixedToUserRotation)); |
Garfield Tan | ff36222 | 2018-11-14 17:52:32 -0800 | [diff] [blame] | 650 | } |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 651 | out.endTag(null, "display"); |
| 652 | } |
| 653 | |
| 654 | out.endTag(null, "display-settings"); |
| 655 | out.endDocument(); |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 656 | mStorage.finishWrite(stream, true /* success */); |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 657 | } catch (IOException e) { |
Andrii Kulian | 453347f | 2019-03-17 20:49:39 -0700 | [diff] [blame] | 658 | Slog.w(TAG, "Failed to write display window settings.", e); |
| 659 | mStorage.finishWrite(stream, false /* success */); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | /** |
| 664 | * Removes an entry from {@link #mEntries} cache. Looks up by new and previously used |
| 665 | * identifiers. |
| 666 | */ |
| 667 | private boolean removeEntry(DisplayInfo displayInfo) { |
| 668 | // Remove entry based on primary identifier. |
| 669 | boolean removed = mEntries.remove(getIdentifier(displayInfo)) != null; |
| 670 | // Ensure that legacy entries are cleared as well. |
| 671 | removed |= mEntries.remove(displayInfo.uniqueId) != null; |
| 672 | removed |= mEntries.remove(displayInfo.name) != null; |
| 673 | return removed; |
| 674 | } |
| 675 | |
| 676 | /** Gets the identifier of choice for the current config. */ |
| 677 | private String getIdentifier(DisplayInfo displayInfo) { |
| 678 | if (mIdentifier == IDENTIFIER_PORT && displayInfo.address != null) { |
| 679 | // Config suggests using port as identifier for physical displays. |
| 680 | if (displayInfo.address instanceof DisplayAddress.Physical) { |
| 681 | return "port:" + ((DisplayAddress.Physical) displayInfo.address).getPort(); |
| 682 | } |
| 683 | } |
| 684 | return displayInfo.uniqueId; |
| 685 | } |
| 686 | |
| 687 | private static class AtomicFileStorage implements SettingPersister { |
| 688 | private final AtomicFile mAtomicFile; |
| 689 | |
| 690 | AtomicFileStorage() { |
| 691 | final File folder = new File(Environment.getDataDirectory(), "system"); |
| 692 | mAtomicFile = new AtomicFile(new File(folder, "display_settings.xml"), "wm-displays"); |
| 693 | } |
| 694 | |
| 695 | @Override |
| 696 | public InputStream openRead() throws FileNotFoundException { |
| 697 | return mAtomicFile.openRead(); |
| 698 | } |
| 699 | |
| 700 | @Override |
| 701 | public OutputStream startWrite() throws IOException { |
| 702 | return mAtomicFile.startWrite(); |
| 703 | } |
| 704 | |
| 705 | @Override |
| 706 | public void finishWrite(OutputStream os, boolean success) { |
| 707 | if (!(os instanceof FileOutputStream)) { |
| 708 | throw new IllegalArgumentException("Unexpected OutputStream as argument: " + os); |
| 709 | } |
| 710 | FileOutputStream fos = (FileOutputStream) os; |
| 711 | if (success) { |
| 712 | mAtomicFile.finishWrite(fos); |
| 713 | } else { |
| 714 | mAtomicFile.failWrite(fos); |
| 715 | } |
Dianne Hackborn | c652de8 | 2013-02-15 16:32:56 -0800 | [diff] [blame] | 716 | } |
| 717 | } |
| 718 | } |