Removing static instances of UserManagerCompat and AppWidgetManager

> Changing the lifecycle to follow other static objects in Launcher
> Removing compat interface and inlining everything to helpers

Bug: 141376165
Change-Id: I82bd5db1969101de9a7eac77f32728d70195bb35

src/com/android/launcher3/widget/WidgetManagerHelper.java

@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2014 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.launcher3.widget;
+
+import android.annotation.TargetApi;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProviderInfo;
+import android.content.ComponentName;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Process;
+import android.os.UserHandle;
+
+import androidx.annotation.Nullable;
+
+import com.android.launcher3.LauncherAppWidgetInfo;
+import com.android.launcher3.LauncherAppWidgetProviderInfo;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.pm.UserCache;
+import com.android.launcher3.util.ComponentKey;
+import com.android.launcher3.util.PackageUserKey;
+import com.android.launcher3.widget.custom.CustomWidgetManager;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * Utility class to working with {@link AppWidgetManager}
+ */
+public class WidgetManagerHelper {
+
+    final AppWidgetManager mAppWidgetManager;
+    final Context mContext;
+
+    public WidgetManagerHelper(Context context) {
+        mContext = context;
+        mAppWidgetManager = AppWidgetManager.getInstance(context);
+    }
+
+    /**
+     * @see AppWidgetManager#getAppWidgetInfo(int)
+     */
+    public LauncherAppWidgetProviderInfo getLauncherAppWidgetInfo(int appWidgetId) {
+        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
+            return CustomWidgetManager.INSTANCE.get(mContext).getWidgetProvider(appWidgetId);
+        }
+        AppWidgetProviderInfo info = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
+        return info == null ? null : LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
+    }
+
+    /**
+     * @see AppWidgetManager#getInstalledProvidersForPackage(String, UserHandle)
+     */
+    @TargetApi(Build.VERSION_CODES.O)
+    public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return Collections.emptyList();
+        }
+
+        if (packageUser == null) {
+            return allWidgetsSteam(mContext).collect(Collectors.toList());
+        }
+
+        if (Utilities.ATLEAST_OREO) {
+            return mAppWidgetManager.getInstalledProvidersForPackage(
+                    packageUser.mPackageName, packageUser.mUser);
+        }
+
+        String pkg = packageUser.mPackageName;
+        return Stream.concat(
+                // Only get providers for the given package/user.
+                mAppWidgetManager.getInstalledProvidersForProfile(packageUser.mUser)
+                        .stream()
+                        .filter(w -> w.provider.equals(pkg)),
+                Process.myUserHandle().equals(packageUser.mUser)
+                        && mContext.getPackageName().equals(pkg)
+                        ? CustomWidgetManager.INSTANCE.get(mContext).stream()
+                        : Stream.empty())
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * @see AppWidgetManager#bindAppWidgetIdIfAllowed(int, UserHandle, ComponentName, Bundle)
+     */
+    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
+            Bundle options) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return false;
+        }
+        if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
+            return true;
+        }
+        return mAppWidgetManager.bindAppWidgetIdIfAllowed(
+                appWidgetId, info.getProfile(), info.provider, options);
+    }
+
+    public LauncherAppWidgetProviderInfo findProvider(ComponentName provider, UserHandle user) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return null;
+        }
+        for (AppWidgetProviderInfo info :
+                getAllProviders(new PackageUserKey(provider.getPackageName(), user))) {
+            if (info.provider.equals(provider)) {
+                return LauncherAppWidgetProviderInfo.fromProviderInfo(mContext, info);
+            }
+        }
+        return null;
+    }
+
+    public static Map<ComponentKey, AppWidgetProviderInfo> getAllProvidersMap(Context context) {
+        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+            return Collections.emptyMap();
+        }
+        return allWidgetsSteam(context).collect(
+                        Collectors.toMap(info -> new ComponentKey(info.provider, info.getProfile()),
+                        Function.identity()));
+    }
+
+    private static Stream<AppWidgetProviderInfo> allWidgetsSteam(Context context) {
+        AppWidgetManager awm = context.getSystemService(AppWidgetManager.class);
+        return Stream.concat(
+                UserCache.INSTANCE.get(context)
+                        .getUserProfiles()
+                        .stream()
+                        .flatMap(u -> awm.getInstalledProvidersForProfile(u).stream()),
+                CustomWidgetManager.INSTANCE.get(context).stream());
+    }
+}