Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.am; |
| 18 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 19 | import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 20 | import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS; |
| 21 | import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD; |
| 22 | import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
Wale Ogunwale | ab5de37 | 2017-10-18 06:46:31 -0700 | [diff] [blame] | 23 | import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 24 | import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| 25 | import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN_OR_SPLIT_SCREEN_SECONDARY; |
| 26 | import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| 27 | import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| 28 | import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| 29 | import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| 30 | import static android.view.Display.DEFAULT_DISPLAY; |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 31 | import static android.view.Display.FLAG_PRIVATE; |
| 32 | import static android.view.Display.REMOVE_MODE_DESTROY_CONTENT; |
| 33 | import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK; |
| 34 | import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STACK; |
| 35 | import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; |
| 36 | import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| 37 | import static com.android.server.am.proto.ActivityDisplayProto.CONFIGURATION_CONTAINER; |
| 38 | import static com.android.server.am.proto.ActivityDisplayProto.STACKS; |
| 39 | import static com.android.server.am.proto.ActivityDisplayProto.ID; |
| 40 | |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 41 | import android.annotation.Nullable; |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 42 | import android.app.ActivityManagerInternal; |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 43 | import android.app.ActivityOptions; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 44 | import android.app.WindowConfiguration; |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 45 | import android.util.IntArray; |
| 46 | import android.util.Slog; |
| 47 | import android.util.proto.ProtoOutputStream; |
| 48 | import android.view.Display; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 49 | import com.android.internal.annotations.VisibleForTesting; |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 50 | import com.android.server.wm.ConfigurationContainer; |
| 51 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 52 | import java.io.PrintWriter; |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 53 | import java.util.ArrayList; |
| 54 | |
| 55 | /** |
| 56 | * Exactly one of these classes per Display in the system. Capable of holding zero or more |
| 57 | * attached {@link ActivityStack}s. |
| 58 | */ |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 59 | class ActivityDisplay extends ConfigurationContainer<ActivityStack> { |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 60 | private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityDisplay" : TAG_AM; |
| 61 | private static final String TAG_STACK = TAG + POSTFIX_STACK; |
| 62 | |
| 63 | static final int POSITION_TOP = Integer.MAX_VALUE; |
| 64 | static final int POSITION_BOTTOM = Integer.MIN_VALUE; |
| 65 | |
| 66 | private ActivityStackSupervisor mSupervisor; |
| 67 | /** Actual Display this object tracks. */ |
| 68 | int mDisplayId; |
| 69 | Display mDisplay; |
| 70 | |
| 71 | /** All of the stacks on this display. Order matters, topmost stack is in front of all other |
| 72 | * stacks, bottommost behind. Accessed directly by ActivityManager package classes */ |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 73 | private final ArrayList<ActivityStack> mStacks = new ArrayList<>(); |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 74 | |
| 75 | /** Array of all UIDs that are present on the display. */ |
| 76 | private IntArray mDisplayAccessUIDs = new IntArray(); |
| 77 | |
| 78 | /** All tokens used to put activities on this stack to sleep (including mOffToken) */ |
| 79 | final ArrayList<ActivityManagerInternal.SleepToken> mAllSleepTokens = new ArrayList<>(); |
| 80 | /** The token acquired by ActivityStackSupervisor to put stacks on the display to sleep */ |
| 81 | ActivityManagerInternal.SleepToken mOffToken; |
| 82 | |
| 83 | private boolean mSleeping; |
| 84 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 85 | // Cached reference to some special stacks we tend to get a lot so we don't need to loop |
| 86 | // through the list to find them. |
| 87 | private ActivityStack mHomeStack = null; |
| 88 | private ActivityStack mRecentsStack = null; |
| 89 | private ActivityStack mPinnedStack = null; |
| 90 | private ActivityStack mSplitScreenPrimaryStack = null; |
| 91 | |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 92 | ActivityDisplay(ActivityStackSupervisor supervisor, int displayId) { |
| 93 | mSupervisor = supervisor; |
| 94 | mDisplayId = displayId; |
| 95 | final Display display = supervisor.mDisplayManager.getDisplay(displayId); |
| 96 | if (display == null) { |
| 97 | throw new IllegalStateException("Display does not exist displayId=" + displayId); |
| 98 | } |
| 99 | mDisplay = display; |
| 100 | } |
| 101 | |
| 102 | void addChild(ActivityStack stack, int position) { |
| 103 | if (position == POSITION_BOTTOM) { |
| 104 | position = 0; |
| 105 | } else if (position == POSITION_TOP) { |
| 106 | position = mStacks.size(); |
| 107 | } |
| 108 | if (DEBUG_STACK) Slog.v(TAG_STACK, "addChild: attaching " + stack |
| 109 | + " to displayId=" + mDisplayId + " position=" + position); |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 110 | addStackReferenceIfNeeded(stack); |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 111 | positionChildAt(stack, position); |
| 112 | mSupervisor.mService.updateSleepIfNeededLocked(); |
| 113 | } |
| 114 | |
| 115 | void removeChild(ActivityStack stack) { |
| 116 | if (DEBUG_STACK) Slog.v(TAG_STACK, "removeChild: detaching " + stack |
| 117 | + " from displayId=" + mDisplayId); |
| 118 | mStacks.remove(stack); |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 119 | removeStackReferenceIfNeeded(stack); |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 120 | mSupervisor.mService.updateSleepIfNeededLocked(); |
| 121 | } |
| 122 | |
| 123 | void positionChildAtTop(ActivityStack stack) { |
| 124 | positionChildAt(stack, mStacks.size()); |
| 125 | } |
| 126 | |
| 127 | void positionChildAtBottom(ActivityStack stack) { |
| 128 | positionChildAt(stack, 0); |
| 129 | } |
| 130 | |
| 131 | private void positionChildAt(ActivityStack stack, int position) { |
| 132 | mStacks.remove(stack); |
| 133 | mStacks.add(getTopInsertPosition(stack, position), stack); |
| 134 | } |
| 135 | |
| 136 | private int getTopInsertPosition(ActivityStack stack, int candidatePosition) { |
| 137 | int position = mStacks.size(); |
| 138 | if (position > 0) { |
| 139 | final ActivityStack topStack = mStacks.get(position - 1); |
| 140 | if (topStack.getWindowConfiguration().isAlwaysOnTop() && topStack != stack) { |
| 141 | // If the top stack is always on top, we move this stack just below it. |
| 142 | position--; |
| 143 | } |
| 144 | } |
| 145 | return Math.min(position, candidatePosition); |
| 146 | } |
| 147 | |
| 148 | <T extends ActivityStack> T getStack(int stackId) { |
| 149 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 150 | final ActivityStack stack = mStacks.get(i); |
| 151 | if (stack.mStackId == stackId) { |
| 152 | return (T) stack; |
| 153 | } |
| 154 | } |
| 155 | return null; |
| 156 | } |
| 157 | |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 158 | /** |
| 159 | * @return the topmost stack on the display that is compatible with the input windowing mode and |
| 160 | * activity type. {@code null} means no compatible stack on the display. |
| 161 | * @see ConfigurationContainer#isCompatible(int, int) |
| 162 | */ |
| 163 | <T extends ActivityStack> T getStack(int windowingMode, int activityType) { |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 164 | if (activityType == ACTIVITY_TYPE_HOME) { |
| 165 | return (T) mHomeStack; |
| 166 | } else if (activityType == ACTIVITY_TYPE_RECENTS) { |
| 167 | return (T) mRecentsStack; |
| 168 | } |
| 169 | if (windowingMode == WINDOWING_MODE_PINNED) { |
| 170 | return (T) mPinnedStack; |
| 171 | } else if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| 172 | return (T) mSplitScreenPrimaryStack; |
| 173 | } |
Wale Ogunwale | ab5de37 | 2017-10-18 06:46:31 -0700 | [diff] [blame] | 174 | |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 175 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 176 | final ActivityStack stack = mStacks.get(i); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 177 | if (stack.isCompatible(windowingMode, activityType)) { |
| 178 | return (T) stack; |
| 179 | } |
| 180 | } |
| 181 | return null; |
| 182 | } |
| 183 | |
Wale Ogunwale | ab5de37 | 2017-10-18 06:46:31 -0700 | [diff] [blame] | 184 | private boolean alwaysCreateStack(int windowingMode, int activityType) { |
| 185 | // Always create a stack for fullscreen, freeform, and split-screen-secondary windowing |
| 186 | // modes so that we can manage visual ordering and return types correctly. |
| 187 | return activityType == ACTIVITY_TYPE_STANDARD |
| 188 | && (windowingMode == WINDOWING_MODE_FULLSCREEN |
| 189 | || windowingMode == WINDOWING_MODE_FREEFORM |
| 190 | || windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY); |
| 191 | } |
| 192 | |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 193 | /** |
Wale Ogunwale | ab5de37 | 2017-10-18 06:46:31 -0700 | [diff] [blame] | 194 | * Returns an existing stack compatible with the windowing mode and activity type or creates one |
| 195 | * if a compatible stack doesn't exist. |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 196 | * @see #getStack(int, int) |
| 197 | * @see #createStack(int, int, boolean) |
| 198 | */ |
| 199 | <T extends ActivityStack> T getOrCreateStack(int windowingMode, int activityType, |
| 200 | boolean onTop) { |
Wale Ogunwale | ab5de37 | 2017-10-18 06:46:31 -0700 | [diff] [blame] | 201 | if (!alwaysCreateStack(windowingMode, activityType)) { |
| 202 | T stack = getStack(windowingMode, activityType); |
| 203 | if (stack != null) { |
| 204 | return stack; |
| 205 | } |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 206 | } |
| 207 | return createStack(windowingMode, activityType, onTop); |
| 208 | } |
| 209 | |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 210 | /** |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 211 | * Returns an existing stack compatible with the input params or creates one |
| 212 | * if a compatible stack doesn't exist. |
| 213 | * @see #getOrCreateStack(int, int, boolean) |
| 214 | */ |
| 215 | <T extends ActivityStack> T getOrCreateStack(@Nullable ActivityRecord r, |
| 216 | @Nullable ActivityOptions options, @Nullable TaskRecord candidateTask, int activityType, |
| 217 | boolean onTop) { |
| 218 | final int windowingMode = resolveWindowingMode(r, options, candidateTask, activityType); |
| 219 | return getOrCreateStack(windowingMode, activityType, onTop); |
| 220 | } |
| 221 | |
| 222 | /** |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 223 | * Creates a stack matching the input windowing mode and activity type on this display. |
| 224 | * @param windowingMode The windowing mode the stack should be created in. If |
| 225 | * {@link WindowConfiguration#WINDOWING_MODE_UNDEFINED} then the stack will |
| 226 | * be created in {@link WindowConfiguration#WINDOWING_MODE_FULLSCREEN}. |
| 227 | * @param activityType The activityType the stack should be created in. If |
| 228 | * {@link WindowConfiguration#ACTIVITY_TYPE_UNDEFINED} then the stack will |
| 229 | * be created in {@link WindowConfiguration#ACTIVITY_TYPE_STANDARD}. |
| 230 | * @param onTop If true the stack will be created at the top of the display, else at the bottom. |
| 231 | * @return The newly created stack. |
| 232 | */ |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 233 | <T extends ActivityStack> T createStack(int windowingMode, int activityType, boolean onTop) { |
| 234 | |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 235 | if (activityType == ACTIVITY_TYPE_UNDEFINED) { |
| 236 | // Can't have an undefined stack type yet...so re-map to standard. Anyone that wants |
| 237 | // anything else should be passing it in anyways... |
| 238 | activityType = ACTIVITY_TYPE_STANDARD; |
| 239 | } |
| 240 | |
| 241 | if (activityType != ACTIVITY_TYPE_STANDARD) { |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 242 | // For now there can be only one stack of a particular non-standard activity type on a |
| 243 | // display. So, get that ignoring whatever windowing mode it is currently in. |
| 244 | T stack = getStack(WINDOWING_MODE_UNDEFINED, activityType); |
| 245 | if (stack != null) { |
| 246 | throw new IllegalArgumentException("Stack=" + stack + " of activityType=" |
| 247 | + activityType + " already on display=" + this + ". Can't have multiple."); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | final ActivityManagerService service = mSupervisor.mService; |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 252 | if (!isWindowingModeSupported(windowingMode, service.mSupportsMultiWindow, |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 253 | service.mSupportsSplitScreenMultiWindow, service.mSupportsFreeformWindowManagement, |
| 254 | service.mSupportsPictureInPicture, activityType)) { |
| 255 | throw new IllegalArgumentException("Can't create stack for unsupported windowingMode=" |
| 256 | + windowingMode); |
| 257 | } |
| 258 | |
| 259 | if (windowingMode == WINDOWING_MODE_UNDEFINED) { |
| 260 | // TODO: Should be okay to have stacks with with undefined windowing mode long term, but |
| 261 | // have to set them to something for now due to logic that depending on them. |
Wale Ogunwale | 44f036f | 2017-09-29 05:09:09 -0700 | [diff] [blame] | 262 | windowingMode = getWindowingMode(); // Put in current display's windowing mode |
| 263 | if (windowingMode == WINDOWING_MODE_UNDEFINED) { |
| 264 | // Else fullscreen for now... |
| 265 | windowingMode = WINDOWING_MODE_FULLSCREEN; |
| 266 | } |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Wale Ogunwale | 44f036f | 2017-09-29 05:09:09 -0700 | [diff] [blame] | 269 | final int stackId = mSupervisor.getNextStackId(); |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 270 | return createStackUnchecked(windowingMode, activityType, stackId, onTop); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | @VisibleForTesting |
| 274 | <T extends ActivityStack> T createStackUnchecked(int windowingMode, int activityType, |
| 275 | int stackId, boolean onTop) { |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 276 | if (windowingMode == WINDOWING_MODE_PINNED) { |
| 277 | return (T) new PinnedActivityStack(this, stackId, mSupervisor, onTop); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 278 | } |
Wale Ogunwale | 30e441d | 2017-11-09 08:28:45 -0800 | [diff] [blame] | 279 | return (T) new ActivityStack( |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 280 | this, stackId, mSupervisor, windowingMode, activityType, onTop); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 281 | } |
| 282 | |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 283 | /** |
| 284 | * Removes stacks in the input windowing modes from the system if they are of activity type |
| 285 | * ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED |
| 286 | */ |
| 287 | void removeStacksInWindowingModes(int... windowingModes) { |
| 288 | if (windowingModes == null || windowingModes.length == 0) { |
| 289 | return; |
| 290 | } |
| 291 | |
| 292 | for (int j = windowingModes.length - 1 ; j >= 0; --j) { |
| 293 | final int windowingMode = windowingModes[j]; |
| 294 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 295 | final ActivityStack stack = mStacks.get(i); |
| 296 | if (!stack.isActivityTypeStandardOrUndefined()) { |
| 297 | continue; |
| 298 | } |
| 299 | if (stack.getWindowingMode() != windowingMode) { |
| 300 | continue; |
| 301 | } |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 302 | mSupervisor.removeStack(stack); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 307 | void removeStacksWithActivityTypes(int... activityTypes) { |
| 308 | if (activityTypes == null || activityTypes.length == 0) { |
| 309 | return; |
| 310 | } |
| 311 | |
| 312 | for (int j = activityTypes.length - 1 ; j >= 0; --j) { |
| 313 | final int activityType = activityTypes[j]; |
| 314 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 315 | final ActivityStack stack = mStacks.get(i); |
| 316 | if (stack.getActivityType() == activityType) { |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 317 | mSupervisor.removeStack(stack); |
Wale Ogunwale | 6827856 | 2017-09-23 17:13:55 -0700 | [diff] [blame] | 318 | } |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 323 | void onStackWindowingModeChanged(ActivityStack stack) { |
| 324 | removeStackReferenceIfNeeded(stack); |
| 325 | addStackReferenceIfNeeded(stack); |
| 326 | } |
| 327 | |
| 328 | private void addStackReferenceIfNeeded(ActivityStack stack) { |
| 329 | final int activityType = stack.getActivityType(); |
| 330 | final int windowingMode = stack.getWindowingMode(); |
| 331 | |
| 332 | if (activityType == ACTIVITY_TYPE_HOME) { |
| 333 | if (mHomeStack != null && mHomeStack != stack) { |
| 334 | throw new IllegalArgumentException("addStackReferenceIfNeeded: home stack=" |
| 335 | + mHomeStack + " already exist on display=" + this + " stack=" + stack); |
| 336 | } |
| 337 | mHomeStack = stack; |
| 338 | } else if (activityType == ACTIVITY_TYPE_RECENTS) { |
| 339 | if (mRecentsStack != null && mRecentsStack != stack) { |
| 340 | throw new IllegalArgumentException("addStackReferenceIfNeeded: recents stack=" |
| 341 | + mRecentsStack + " already exist on display=" + this + " stack=" + stack); |
| 342 | } |
| 343 | mRecentsStack = stack; |
| 344 | } |
| 345 | if (windowingMode == WINDOWING_MODE_PINNED) { |
| 346 | if (mPinnedStack != null && mPinnedStack != stack) { |
| 347 | throw new IllegalArgumentException("addStackReferenceIfNeeded: pinned stack=" |
| 348 | + mPinnedStack + " already exist on display=" + this |
| 349 | + " stack=" + stack); |
| 350 | } |
| 351 | mPinnedStack = stack; |
| 352 | } else if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY) { |
| 353 | if (mSplitScreenPrimaryStack != null && mSplitScreenPrimaryStack != stack) { |
| 354 | throw new IllegalArgumentException("addStackReferenceIfNeeded:" |
| 355 | + " split-screen-primary" + " stack=" + mSplitScreenPrimaryStack |
| 356 | + " already exist on display=" + this + " stack=" + stack); |
| 357 | } |
| 358 | mSplitScreenPrimaryStack = stack; |
Wale Ogunwale | 30e441d | 2017-11-09 08:28:45 -0800 | [diff] [blame] | 359 | onSplitScreenModeActivated(); |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 360 | } |
| 361 | } |
| 362 | |
| 363 | private void removeStackReferenceIfNeeded(ActivityStack stack) { |
| 364 | if (stack == mHomeStack) { |
| 365 | mHomeStack = null; |
| 366 | } else if (stack == mRecentsStack) { |
| 367 | mRecentsStack = null; |
| 368 | } else if (stack == mPinnedStack) { |
| 369 | mPinnedStack = null; |
| 370 | } else if (stack == mSplitScreenPrimaryStack) { |
| 371 | mSplitScreenPrimaryStack = null; |
Wale Ogunwale | 30e441d | 2017-11-09 08:28:45 -0800 | [diff] [blame] | 372 | // Inform the reset of the system that split-screen mode was dismissed so things like |
| 373 | // resizing all the other stacks can take place. |
| 374 | onSplitScreenModeDismissed(); |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | private void onSplitScreenModeDismissed() { |
| 379 | mSupervisor.mWindowManager.deferSurfaceLayout(); |
| 380 | try { |
| 381 | // Adjust the windowing mode of any stack in secondary split-screen to fullscreen. |
| 382 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 383 | final ActivityStack otherStack = mStacks.get(i); |
| 384 | if (!otherStack.inSplitScreenSecondaryWindowingMode()) { |
| 385 | continue; |
| 386 | } |
| 387 | otherStack.setWindowingMode(WINDOWING_MODE_FULLSCREEN); |
| 388 | } |
| 389 | } finally { |
| 390 | mSupervisor.mWindowManager.continueSurfaceLayout(); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | private void onSplitScreenModeActivated() { |
| 395 | mSupervisor.mWindowManager.deferSurfaceLayout(); |
| 396 | try { |
| 397 | // Adjust the windowing mode of any affected by split-screen to split-screen secondary. |
| 398 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 399 | final ActivityStack otherStack = mStacks.get(i); |
| 400 | if (otherStack == mSplitScreenPrimaryStack |
| 401 | || !otherStack.affectedBySplitScreenResize()) { |
| 402 | continue; |
| 403 | } |
| 404 | otherStack.setWindowingMode(WINDOWING_MODE_SPLIT_SCREEN_SECONDARY); |
| 405 | } |
| 406 | } finally { |
| 407 | mSupervisor.mWindowManager.continueSurfaceLayout(); |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 408 | } |
| 409 | } |
| 410 | |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 411 | /** |
| 412 | * Returns true if the {@param windowingMode} is supported based on other parameters passed in. |
| 413 | * @param windowingMode The windowing mode we are checking support for. |
| 414 | * @param supportsMultiWindow If we should consider support for multi-window mode in general. |
| 415 | * @param supportsSplitScreen If we should consider support for split-screen multi-window. |
| 416 | * @param supportsFreeform If we should consider support for freeform multi-window. |
| 417 | * @param supportsPip If we should consider support for picture-in-picture mutli-window. |
| 418 | * @param activityType The activity type under consideration. |
| 419 | * @return true if the windowing mode is supported. |
| 420 | */ |
| 421 | private boolean isWindowingModeSupported(int windowingMode, boolean supportsMultiWindow, |
| 422 | boolean supportsSplitScreen, boolean supportsFreeform, boolean supportsPip, |
| 423 | int activityType) { |
| 424 | |
| 425 | if (windowingMode == WINDOWING_MODE_UNDEFINED |
| 426 | || windowingMode == WINDOWING_MODE_FULLSCREEN) { |
| 427 | return true; |
| 428 | } |
| 429 | if (!supportsMultiWindow) { |
| 430 | return false; |
| 431 | } |
| 432 | |
| 433 | if (windowingMode == WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| 434 | || windowingMode == WINDOWING_MODE_SPLIT_SCREEN_SECONDARY) { |
Wale Ogunwale | 2b07da8 | 2017-11-08 14:52:40 -0800 | [diff] [blame] | 435 | return supportsSplitScreen |
| 436 | && WindowConfiguration.supportSplitScreenWindowingMode(activityType); |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | if (!supportsFreeform && windowingMode == WINDOWING_MODE_FREEFORM) { |
| 440 | return false; |
| 441 | } |
| 442 | |
| 443 | if (!supportsPip && windowingMode == WINDOWING_MODE_PINNED) { |
| 444 | return false; |
| 445 | } |
| 446 | return true; |
| 447 | } |
| 448 | |
| 449 | int resolveWindowingMode(@Nullable ActivityRecord r, @Nullable ActivityOptions options, |
| 450 | @Nullable TaskRecord task, int activityType) { |
| 451 | |
| 452 | // First preference if the windowing mode in the activity options if set. |
| 453 | int windowingMode = (options != null) |
| 454 | ? options.getLaunchWindowingMode() : WINDOWING_MODE_UNDEFINED; |
| 455 | |
| 456 | // If windowing mode is unset, then next preference is the candidate task, then the |
| 457 | // activity record. |
| 458 | if (windowingMode == WINDOWING_MODE_UNDEFINED) { |
| 459 | if (task != null) { |
| 460 | windowingMode = task.getWindowingMode(); |
| 461 | } |
| 462 | if (windowingMode == WINDOWING_MODE_UNDEFINED && r != null) { |
| 463 | windowingMode = r.getWindowingMode(); |
| 464 | } |
| 465 | if (windowingMode == WINDOWING_MODE_UNDEFINED) { |
| 466 | // Use the display's windowing mode. |
| 467 | windowingMode = getWindowingMode(); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | // Make sure the windowing mode we are trying to use makes sense for what is supported. |
| 472 | final ActivityManagerService service = mSupervisor.mService; |
| 473 | boolean supportsMultiWindow = service.mSupportsMultiWindow; |
| 474 | boolean supportsSplitScreen = service.mSupportsSplitScreenMultiWindow; |
| 475 | boolean supportsFreeform = service.mSupportsFreeformWindowManagement; |
| 476 | boolean supportsPip = service.mSupportsPictureInPicture; |
| 477 | if (supportsMultiWindow) { |
| 478 | if (task != null) { |
| 479 | supportsMultiWindow = task.isResizeable(); |
| 480 | supportsSplitScreen = task.supportsSplitScreenWindowingMode(); |
| 481 | // TODO: Do we need to check for freeform and Pip support here? |
| 482 | } else if (r != null) { |
| 483 | supportsMultiWindow = r.isResizeable(); |
| 484 | supportsSplitScreen = r.supportsSplitScreenWindowingMode(); |
| 485 | supportsFreeform = r.supportsFreeform(); |
| 486 | supportsPip = r.supportsPictureInPicture(); |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | final boolean inSplitScreenMode = hasSplitScreenPrimaryStack(); |
| 491 | if (!inSplitScreenMode |
| 492 | && windowingMode == WINDOWING_MODE_FULLSCREEN_OR_SPLIT_SCREEN_SECONDARY) { |
| 493 | // Switch to fullscreen windowing mode if we are not in split-screen mode and we are |
| 494 | // trying to launch in split-screen secondary. |
| 495 | windowingMode = WINDOWING_MODE_FULLSCREEN; |
| 496 | } else if (inSplitScreenMode && windowingMode == WINDOWING_MODE_FULLSCREEN |
| 497 | && supportsSplitScreen) { |
| 498 | windowingMode = WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
| 499 | } |
| 500 | |
| 501 | if (windowingMode != WINDOWING_MODE_UNDEFINED |
| 502 | && isWindowingModeSupported(windowingMode, supportsMultiWindow, supportsSplitScreen, |
| 503 | supportsFreeform, supportsPip, activityType)) { |
| 504 | return windowingMode; |
| 505 | } |
Wale Ogunwale | 30e441d | 2017-11-09 08:28:45 -0800 | [diff] [blame] | 506 | // Try to use the display's windowing mode otherwise fallback to fullscreen. |
| 507 | windowingMode = getWindowingMode(); |
| 508 | return windowingMode != WINDOWING_MODE_UNDEFINED |
| 509 | ? windowingMode : WINDOWING_MODE_FULLSCREEN; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 510 | } |
| 511 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 512 | /** |
| 513 | * Get the topmost stack on the display. It may be different from focused stack, because |
| 514 | * focus may be on another display. |
| 515 | */ |
| 516 | ActivityStack getTopStack() { |
| 517 | return mStacks.isEmpty() ? null : mStacks.get(mStacks.size() - 1); |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 518 | } |
| 519 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 520 | boolean isTopStack(ActivityStack stack) { |
| 521 | return stack == getTopStack(); |
| 522 | } |
| 523 | |
| 524 | int getIndexOf(ActivityStack stack) { |
| 525 | return mStacks.indexOf(stack); |
| 526 | } |
| 527 | |
| 528 | void onLockTaskPackagesUpdated() { |
| 529 | for (int i = mStacks.size() - 1; i >= 0; --i) { |
| 530 | mStacks.get(i).onLockTaskPackagesUpdated(); |
| 531 | } |
| 532 | } |
| 533 | |
Wale Ogunwale | 7e1f5f5 | 2017-10-18 15:19:59 -0700 | [diff] [blame] | 534 | /** We are in the process of exiting split-screen mode. */ |
| 535 | void onExitingSplitScreenMode() { |
| 536 | // Remove reference to the primary-split-screen stack so it no longer has any effect on the |
| 537 | // display. For example, we want to be able to create fullscreen stack for standard activity |
| 538 | // types when exiting split-screen mode. |
| 539 | mSplitScreenPrimaryStack = null; |
| 540 | } |
| 541 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 542 | ActivityStack getSplitScreenPrimaryStack() { |
| 543 | return mSplitScreenPrimaryStack; |
| 544 | } |
| 545 | |
| 546 | boolean hasSplitScreenPrimaryStack() { |
| 547 | return mSplitScreenPrimaryStack != null; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | PinnedActivityStack getPinnedStack() { |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 551 | return (PinnedActivityStack) mPinnedStack; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | boolean hasPinnedStack() { |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 555 | return mPinnedStack != null; |
Wale Ogunwale | 04a05ac | 2017-09-17 21:35:02 -0700 | [diff] [blame] | 556 | } |
| 557 | |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 558 | @Override |
| 559 | public String toString() { |
| 560 | return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}"; |
| 561 | } |
| 562 | |
| 563 | @Override |
| 564 | protected int getChildCount() { |
| 565 | return mStacks.size(); |
| 566 | } |
| 567 | |
| 568 | @Override |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 569 | protected ActivityStack getChildAt(int index) { |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 570 | return mStacks.get(index); |
| 571 | } |
| 572 | |
| 573 | @Override |
| 574 | protected ConfigurationContainer getParent() { |
| 575 | return mSupervisor; |
| 576 | } |
| 577 | |
| 578 | boolean isPrivate() { |
| 579 | return (mDisplay.getFlags() & FLAG_PRIVATE) != 0; |
| 580 | } |
| 581 | |
| 582 | boolean isUidPresent(int uid) { |
| 583 | for (ActivityStack stack : mStacks) { |
| 584 | if (stack.isUidPresent(uid)) { |
| 585 | return true; |
| 586 | } |
| 587 | } |
| 588 | return false; |
| 589 | } |
| 590 | |
| 591 | /** Update and get all UIDs that are present on the display and have access to it. */ |
| 592 | IntArray getPresentUIDs() { |
| 593 | mDisplayAccessUIDs.clear(); |
| 594 | for (ActivityStack stack : mStacks) { |
| 595 | stack.getPresentUIDs(mDisplayAccessUIDs); |
| 596 | } |
| 597 | return mDisplayAccessUIDs; |
| 598 | } |
| 599 | |
| 600 | boolean shouldDestroyContentOnRemove() { |
| 601 | return mDisplay.getRemoveMode() == REMOVE_MODE_DESTROY_CONTENT; |
| 602 | } |
| 603 | |
| 604 | boolean shouldSleep() { |
| 605 | return (mStacks.isEmpty() || !mAllSleepTokens.isEmpty()) |
| 606 | && (mSupervisor.mService.mRunningVoice == null); |
| 607 | } |
| 608 | |
| 609 | boolean isSleeping() { |
| 610 | return mSleeping; |
| 611 | } |
| 612 | |
| 613 | void setIsSleeping(boolean asleep) { |
| 614 | mSleeping = asleep; |
| 615 | } |
| 616 | |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 617 | public void dump(PrintWriter pw, String prefix) { |
Wale Ogunwale | 30e441d | 2017-11-09 08:28:45 -0800 | [diff] [blame] | 618 | pw.println(prefix + "displayId=" + mDisplayId + " stacks=" + mStacks.size()); |
| 619 | final String myPrefix = prefix + " "; |
| 620 | if (mHomeStack != null) { |
| 621 | pw.println(myPrefix + "mHomeStack=" + mHomeStack); |
| 622 | } |
| 623 | if (mRecentsStack != null) { |
| 624 | pw.println(myPrefix + "mRecentsStack=" + mRecentsStack); |
| 625 | } |
| 626 | if (mPinnedStack != null) { |
| 627 | pw.println(myPrefix + "mPinnedStack=" + mPinnedStack); |
| 628 | } |
| 629 | if (mSplitScreenPrimaryStack != null) { |
| 630 | pw.println(myPrefix + "mSplitScreenPrimaryStack=" + mSplitScreenPrimaryStack); |
| 631 | } |
Wale Ogunwale | a0f5b5e | 2017-10-11 09:37:23 -0700 | [diff] [blame] | 632 | } |
| 633 | |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 634 | public void writeToProto(ProtoOutputStream proto, long fieldId) { |
| 635 | final long token = proto.start(fieldId); |
Adrian Roos | 4921ccf | 2017-09-28 16:54:06 +0200 | [diff] [blame] | 636 | super.writeToProto(proto, CONFIGURATION_CONTAINER, false /* trim */); |
Wale Ogunwale | 9dcf946 | 2017-09-19 15:13:01 -0700 | [diff] [blame] | 637 | proto.write(ID, mDisplayId); |
| 638 | for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| 639 | final ActivityStack stack = mStacks.get(stackNdx); |
| 640 | stack.writeToProto(proto, STACKS); |
| 641 | } |
| 642 | proto.end(token); |
| 643 | } |
| 644 | } |