| /* |
| * Copyright (C) 2021 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.systemui.statusbar.phone; |
| |
| import androidx.annotation.NonNull; |
| |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.dagger.SysUISingleton; |
| import com.android.systemui.dump.DumpManager; |
| |
| import java.io.PrintWriter; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * Register dialogs to this manager if extraneous affordances (like the UDFPS sensor area) |
| * should be hidden from the screen when the dialog shows. |
| * |
| * Currently, only used if UDFPS is supported on the device; however, can be extended in the future |
| * for other use cases. |
| */ |
| @SysUISingleton |
| public class SystemUIDialogManager implements Dumpable { |
| private final StatusBarKeyguardViewManager mKeyguardViewManager; |
| |
| private final Set<SystemUIDialog> mDialogsShowing = new HashSet<>(); |
| private final Set<Listener> mListeners = new HashSet<>(); |
| |
| @Inject |
| public SystemUIDialogManager( |
| DumpManager dumpManager, |
| StatusBarKeyguardViewManager statusBarKeyguardViewManager) { |
| dumpManager.registerDumpable(this); |
| mKeyguardViewManager = statusBarKeyguardViewManager; |
| } |
| |
| /** |
| * Whether listeners should hide affordances like the UDFPS sensor icon. |
| */ |
| public boolean shouldHideAffordance() { |
| return !mDialogsShowing.isEmpty(); |
| } |
| |
| /** |
| * Register a listener to receive callbacks. |
| */ |
| public void registerListener(@NonNull Listener listener) { |
| mListeners.add(listener); |
| } |
| |
| /** |
| * Unregister a listener from receiving callbacks. |
| */ |
| public void unregisterListener(@NonNull Listener listener) { |
| mListeners.remove(listener); |
| } |
| |
| void setShowing(SystemUIDialog dialog, boolean showing) { |
| final boolean wasHidingAffordances = shouldHideAffordance(); |
| if (showing) { |
| mDialogsShowing.add(dialog); |
| } else { |
| mDialogsShowing.remove(dialog); |
| } |
| |
| if (wasHidingAffordances != shouldHideAffordance()) { |
| updateDialogListeners(); |
| } |
| } |
| |
| private void updateDialogListeners() { |
| if (shouldHideAffordance()) { |
| mKeyguardViewManager.resetAlternateAuth(true); |
| } |
| |
| for (Listener listener : mListeners) { |
| listener.shouldHideAffordances(shouldHideAffordance()); |
| } |
| } |
| |
| @Override |
| public void dump(@NonNull PrintWriter pw, @NonNull String[] args) { |
| pw.println("listeners:"); |
| for (Listener listener : mListeners) { |
| pw.println("\t" + listener); |
| } |
| pw.println("dialogs tracked:"); |
| for (SystemUIDialog dialog : mDialogsShowing) { |
| pw.println("\t" + dialog); |
| } |
| } |
| |
| /** SystemUIDialogManagerListener */ |
| public interface Listener { |
| /** |
| * Callback where shouldHide=true if listeners should hide their views that may overlap |
| * a showing dialog. |
| */ |
| void shouldHideAffordances(boolean shouldHide); |
| } |
| } |