| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.wm; |
| |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_UNKNOWN_APP_VISIBILITY; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| import android.annotation.NonNull; |
| import android.util.ArrayMap; |
| import android.util.Slog; |
| |
| import com.android.server.wm.WindowManagerService.H; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Manages the set of {@link ActivityRecord}s for which we don't know yet whether it's visible or |
| * not. This happens when starting an activity while the lockscreen is showing. In that case, the |
| * keyguard flags an app might set influence it's visibility, so we wait until this is resolved to |
| * start the transition to avoid flickers. |
| */ |
| class UnknownAppVisibilityController { |
| |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "UnknownAppVisibility" : TAG_WM; |
| |
| /** |
| * We are currently waiting until the app is done resuming. |
| */ |
| private static final int UNKNOWN_STATE_WAITING_RESUME = 1; |
| |
| /** |
| * The activity has finished resuming, and we are waiting on the next relayout. |
| */ |
| private static final int UNKNOWN_STATE_WAITING_RELAYOUT = 2; |
| |
| /** |
| * The client called {@link Session#relayout} with the appropriate Keyguard flags and we are |
| * waiting until activity manager has updated the visibilities of all the apps. |
| */ |
| private static final int UNKNOWN_STATE_WAITING_VISIBILITY_UPDATE = 3; |
| |
| // Set of apps for which we don't know yet whether it's visible or not, depending on what kind |
| // of lockscreen flags the app might set during its first relayout. |
| private final ArrayMap<ActivityRecord, Integer> mUnknownApps = new ArrayMap<>(); |
| |
| private final WindowManagerService mService; |
| |
| private final DisplayContent mDisplayContent; |
| |
| UnknownAppVisibilityController(WindowManagerService service, DisplayContent displayContent) { |
| mService = service; |
| mDisplayContent = displayContent; |
| } |
| |
| boolean allResolved() { |
| return mUnknownApps.isEmpty(); |
| } |
| |
| void clear() { |
| mUnknownApps.clear(); |
| } |
| |
| String getDebugMessage() { |
| final StringBuilder builder = new StringBuilder(); |
| for (int i = mUnknownApps.size() - 1; i >= 0; i--) { |
| builder.append("app=").append(mUnknownApps.keyAt(i)) |
| .append(" state=").append(mUnknownApps.valueAt(i)); |
| if (i != 0) { |
| builder.append(' '); |
| } |
| } |
| return builder.toString(); |
| } |
| |
| void appRemovedOrHidden(@NonNull ActivityRecord activity) { |
| if (DEBUG_UNKNOWN_APP_VISIBILITY) { |
| Slog.d(TAG, "App removed or hidden activity=" + activity); |
| } |
| mUnknownApps.remove(activity); |
| } |
| |
| /** |
| * Notifies that {@param activity} has been launched behind Keyguard, and we need to wait until |
| * it is resumed and relaid out to resolve the visibility. |
| */ |
| void notifyLaunched(@NonNull ActivityRecord activity) { |
| if (DEBUG_UNKNOWN_APP_VISIBILITY) { |
| Slog.d(TAG, "App launched activity=" + activity); |
| } |
| mUnknownApps.put(activity, UNKNOWN_STATE_WAITING_RESUME); |
| } |
| |
| /** |
| * Notifies that {@param activity} has finished resuming. |
| */ |
| void notifyAppResumedFinished(@NonNull ActivityRecord activity) { |
| if (mUnknownApps.containsKey(activity) |
| && mUnknownApps.get(activity) == UNKNOWN_STATE_WAITING_RESUME) { |
| if (DEBUG_UNKNOWN_APP_VISIBILITY) { |
| Slog.d(TAG, "App resume finished activity=" + activity); |
| } |
| mUnknownApps.put(activity, UNKNOWN_STATE_WAITING_RELAYOUT); |
| } |
| } |
| |
| /** |
| * Notifies that {@param activity} has relaid out. |
| */ |
| void notifyRelayouted(@NonNull ActivityRecord activity) { |
| if (!mUnknownApps.containsKey(activity)) { |
| return; |
| } |
| if (DEBUG_UNKNOWN_APP_VISIBILITY) { |
| Slog.d(TAG, "App relayouted appWindow=" + activity); |
| } |
| int state = mUnknownApps.get(activity); |
| if (state == UNKNOWN_STATE_WAITING_RELAYOUT) { |
| mUnknownApps.put(activity, UNKNOWN_STATE_WAITING_VISIBILITY_UPDATE); |
| mService.notifyKeyguardFlagsChanged(this::notifyVisibilitiesUpdated, |
| activity.getDisplayContent().getDisplayId()); |
| } |
| } |
| |
| private void notifyVisibilitiesUpdated() { |
| if (DEBUG_UNKNOWN_APP_VISIBILITY) { |
| Slog.d(TAG, "Visibility updated DONE"); |
| } |
| boolean changed = false; |
| for (int i = mUnknownApps.size() - 1; i >= 0; i--) { |
| if (mUnknownApps.valueAt(i) == UNKNOWN_STATE_WAITING_VISIBILITY_UPDATE) { |
| mUnknownApps.removeAt(i); |
| changed = true; |
| } |
| } |
| if (changed) { |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| if (mUnknownApps.isEmpty()) { |
| return; |
| } |
| pw.println(prefix + "Unknown visibilities:"); |
| for (int i = mUnknownApps.size() - 1; i >= 0; i--) { |
| pw.println(prefix + " app=" + mUnknownApps.keyAt(i) |
| + " state=" + mUnknownApps.valueAt(i)); |
| } |
| } |
| } |