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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2019 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.theme;
import android.content.om.OverlayInfo;
import android.content.om.OverlayManager;
import android.os.UserHandle;
import android.util.ArrayMap;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import com.google.android.collect.Lists;
import com.google.android.collect.Sets;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executor;
import java.util.stream.Collectors;
class ThemeOverlayManager {
private static final String TAG = "ThemeOverlayManager";
private static final boolean DEBUG = false;
@VisibleForTesting
static final String ANDROID_PACKAGE = "android";
@VisibleForTesting
static final String SETTINGS_PACKAGE = "com.android.settings";
@VisibleForTesting
static final String SYSUI_PACKAGE = "com.android.systemui";
@VisibleForTesting
static final String OVERLAY_CATEGORY_COLOR = "android.theme.customization.accent_color";
@VisibleForTesting
static final String OVERLAY_CATEGORY_FONT = "android.theme.customization.font";
@VisibleForTesting
static final String OVERLAY_CATEGORY_SHAPE =
"android.theme.customization.adaptive_icon_shape";
@VisibleForTesting
static final String OVERLAY_CATEGORY_ICON_ANDROID =
"android.theme.customization.icon_pack.android";
@VisibleForTesting
static final String OVERLAY_CATEGORY_ICON_SYSUI =
"android.theme.customization.icon_pack.systemui";
@VisibleForTesting
static final String OVERLAY_CATEGORY_ICON_SETTINGS =
"android.theme.customization.icon_pack.settings";
@VisibleForTesting
static final String OVERLAY_CATEGORY_ICON_LAUNCHER =
"android.theme.customization.icon_pack.launcher";
@VisibleForTesting
static final String OVERLAY_CATEGORY_ICON_THEME_PICKER =
"android.theme.customization.icon_pack.themepicker";
/*
* All theme customization categories used by the system, in order that they should be applied,
* starts with launcher and grouped by target package.
*/
static final List THEME_CATEGORIES = Lists.newArrayList(
OVERLAY_CATEGORY_ICON_LAUNCHER,
OVERLAY_CATEGORY_SHAPE,
OVERLAY_CATEGORY_FONT,
OVERLAY_CATEGORY_COLOR,
OVERLAY_CATEGORY_ICON_ANDROID,
OVERLAY_CATEGORY_ICON_SYSUI,
OVERLAY_CATEGORY_ICON_SETTINGS,
OVERLAY_CATEGORY_ICON_THEME_PICKER);
/* Categories that need to applied to the current user as well as the system user. */
@VisibleForTesting
static final Set SYSTEM_USER_CATEGORIES = Sets.newHashSet(
OVERLAY_CATEGORY_COLOR,
OVERLAY_CATEGORY_FONT,
OVERLAY_CATEGORY_SHAPE,
OVERLAY_CATEGORY_ICON_ANDROID,
OVERLAY_CATEGORY_ICON_SYSUI);
/* Allowed overlay categories for each target package. */
private final Map> mTargetPackageToCategories = new ArrayMap<>();
/* Target package for each overlay category. */
private final Map mCategoryToTargetPackage = new ArrayMap<>();
private final OverlayManager mOverlayManager;
private final Executor mExecutor;
private final String mLauncherPackage;
private final String mThemePickerPackage;
ThemeOverlayManager(OverlayManager overlayManager, Executor executor,
String launcherPackage, String themePickerPackage) {
mOverlayManager = overlayManager;
mExecutor = executor;
mLauncherPackage = launcherPackage;
mThemePickerPackage = themePickerPackage;
mTargetPackageToCategories.put(ANDROID_PACKAGE, Sets.newHashSet(
OVERLAY_CATEGORY_COLOR, OVERLAY_CATEGORY_FONT,
OVERLAY_CATEGORY_SHAPE, OVERLAY_CATEGORY_ICON_ANDROID));
mTargetPackageToCategories.put(SYSUI_PACKAGE,
Sets.newHashSet(OVERLAY_CATEGORY_ICON_SYSUI));
mTargetPackageToCategories.put(SETTINGS_PACKAGE,
Sets.newHashSet(OVERLAY_CATEGORY_ICON_SETTINGS));
mTargetPackageToCategories.put(mLauncherPackage,
Sets.newHashSet(OVERLAY_CATEGORY_ICON_LAUNCHER));
mTargetPackageToCategories.put(mThemePickerPackage,
Sets.newHashSet(OVERLAY_CATEGORY_ICON_THEME_PICKER));
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_COLOR, ANDROID_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_FONT, ANDROID_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_SHAPE, ANDROID_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_ICON_ANDROID, ANDROID_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_ICON_SYSUI, SYSUI_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_ICON_SETTINGS, SETTINGS_PACKAGE);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_ICON_LAUNCHER, mLauncherPackage);
mCategoryToTargetPackage.put(OVERLAY_CATEGORY_ICON_THEME_PICKER, mThemePickerPackage);
}
/**
* Apply the set of overlay packages to the set of {@code UserHandle}s provided. Overlays that
* affect sysui will also be applied to the system user.
*/
void applyCurrentUserOverlays(
Map categoryToPackage, Set userHandles) {
// Disable all overlays that have not been specified in the user setting.
final Set overlayCategoriesToDisable = new HashSet<>(THEME_CATEGORIES);
overlayCategoriesToDisable.removeAll(categoryToPackage.keySet());
final Set targetPackagesToQuery = overlayCategoriesToDisable.stream()
.map(category -> mCategoryToTargetPackage.get(category))
.collect(Collectors.toSet());
final List overlays = new ArrayList<>();
targetPackagesToQuery.forEach(targetPackage -> overlays.addAll(mOverlayManager
.getOverlayInfosForTarget(targetPackage, UserHandle.SYSTEM)));
final Map overlaysToDisable = overlays.stream()
.filter(o ->
mTargetPackageToCategories.get(o.targetPackageName).contains(o.category))
.filter(o -> overlayCategoriesToDisable.contains(o.category))
.filter(o -> o.isEnabled())
.collect(Collectors.toMap((o) -> o.category, (o) -> o.packageName));
// Toggle overlays in the order of THEME_CATEGORIES.
for (String category : THEME_CATEGORIES) {
if (categoryToPackage.containsKey(category)) {
setEnabled(categoryToPackage.get(category), category, userHandles, true);
} else if (overlaysToDisable.containsKey(category)) {
setEnabled(overlaysToDisable.get(category), category, userHandles, false);
}
}
}
private void setEnabled(
String packageName, String category, Set handles, boolean enabled) {
for (UserHandle userHandle : handles) {
setEnabledAsync(packageName, userHandle, enabled);
}
if (!handles.contains(UserHandle.SYSTEM) && SYSTEM_USER_CATEGORIES.contains(category)) {
setEnabledAsync(packageName, UserHandle.SYSTEM, enabled);
}
}
private void setEnabledAsync(String pkg, UserHandle userHandle, boolean enabled) {
mExecutor.execute(() -> {
if (DEBUG) Log.d(TAG, String.format("setEnabled: %s %s %b", pkg, userHandle, enabled));
if (enabled) {
mOverlayManager.setEnabledExclusiveInCategory(pkg, userHandle);
} else {
mOverlayManager.setEnabled(pkg, false, userHandle);
}
});
}
}
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