| /* |
| * Copyright (C) 2017 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.util; |
| |
| import android.Manifest; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.provider.Settings; |
| import android.view.DisplayCutout; |
| |
| import com.android.internal.policy.SystemBarUtils; |
| import com.android.systemui.R; |
| import com.android.systemui.settings.DisplayTracker; |
| import com.android.systemui.shared.system.QuickStepContract; |
| |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| public class Utils { |
| |
| private static Boolean sUseQsMediaPlayer = null; |
| |
| /** |
| * Allows lambda iteration over a list. It is done in reverse order so it is safe |
| * to add or remove items during the iteration. Skips over null items. |
| */ |
| public static <T> void safeForeach(List<T> list, Consumer<T> c) { |
| for (int i = list.size() - 1; i >= 0; i--) { |
| T item = list.get(i); |
| if (item != null) { |
| c.accept(item); |
| } |
| } |
| } |
| |
| /** |
| * Returns {@code true} iff the package {@code packageName} is a headless remote display |
| * provider, i.e, that the package holds the privileged {@code REMOTE_DISPLAY_PROVIDER} |
| * permission and that it doesn't host a launcher icon. |
| */ |
| public static boolean isHeadlessRemoteDisplayProvider(PackageManager pm, String packageName) { |
| if (pm.checkPermission(Manifest.permission.REMOTE_DISPLAY_PROVIDER, packageName) |
| != PackageManager.PERMISSION_GRANTED) { |
| return false; |
| } |
| |
| Intent homeIntent = new Intent(Intent.ACTION_MAIN); |
| homeIntent.addCategory(Intent.CATEGORY_LAUNCHER); |
| homeIntent.setPackage(packageName); |
| |
| return pm.queryIntentActivities(homeIntent, 0).isEmpty(); |
| } |
| |
| /** |
| * Returns {@code true} if the navMode is that of |
| * {@link android.view.WindowManagerPolicyConstants#NAV_BAR_MODE_GESTURAL} AND |
| * the context is that of the default display |
| */ |
| public static boolean isGesturalModeOnDefaultDisplay(Context context, |
| DisplayTracker displayTracker, int navMode) { |
| return context.getDisplayId() == displayTracker.getDefaultDisplayId() |
| && QuickStepContract.isGesturalMode(navMode); |
| } |
| |
| /** |
| * Allow the media player to be shown in the QS area, controlled by 2 flags. |
| * Off by default, but can be disabled by setting to 0 |
| */ |
| public static boolean useQsMediaPlayer(Context context) { |
| // TODO(b/192412820): Replace SHOW_MEDIA_ON_QUICK_SETTINGS with compile-time value |
| // Settings.Global.SHOW_MEDIA_ON_QUICK_SETTINGS can't be toggled at runtime, so simply |
| // cache the first result we fetch and use that going forward. Do this to avoid unnecessary |
| // binder calls which may happen on the critical path. |
| if (sUseQsMediaPlayer == null) { |
| int flag = Settings.Global.getInt(context.getContentResolver(), |
| Settings.Global.SHOW_MEDIA_ON_QUICK_SETTINGS, 1); |
| sUseQsMediaPlayer = flag > 0; |
| } |
| return sUseQsMediaPlayer; |
| } |
| |
| /** |
| * Allow media resumption controls. Requires {@link #useQsMediaPlayer(Context)} to be enabled. |
| * On by default, but can be disabled by setting to 0 |
| */ |
| public static boolean useMediaResumption(Context context) { |
| int flag = Settings.Secure.getInt(context.getContentResolver(), |
| Settings.Secure.MEDIA_CONTROLS_RESUME, 1); |
| return useQsMediaPlayer(context) && flag > 0; |
| } |
| |
| /** |
| * Returns true if the device should use the collapsed layout for the media player when in |
| * landscape (or seascape) orientation |
| */ |
| public static boolean useCollapsedMediaInLandscape(Resources resources) { |
| return resources.getBoolean(R.bool.config_quickSettingsMediaLandscapeCollapsed); |
| } |
| |
| /** |
| * Gets the {@link R.dimen#status_bar_header_height_keyguard}. |
| */ |
| public static int getStatusBarHeaderHeightKeyguard(Context context) { |
| final int statusBarHeight = SystemBarUtils.getStatusBarHeight(context); |
| final DisplayCutout cutout = context.getDisplay().getCutout(); |
| final int waterfallInsetTop = cutout == null ? 0 : cutout.getWaterfallInsets().top; |
| final int statusBarHeaderHeightKeyguard = context.getResources() |
| .getDimensionPixelSize(R.dimen.status_bar_header_height_keyguard); |
| return Math.max(statusBarHeight, statusBarHeaderHeightKeyguard + waterfallInsetTop); |
| } |
| } |