Add setting suggestion for style

Also added extra to the existing wallpaper suggestion so it opens
directly to that tab instead of the style tab

Test: atest com.android.settings.wallpaper.StyleSuggestionActivityTest
Fixes: 126230901

Change-Id: I50ca588627063194900dca8a9273baff4a44ca67

src/com/android/settings/wallpaper/StyleSuggestionActivityBase.java

@@ -0,0 +1,80 @@
+/*
+ * 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.settings.wallpaper;
+
+import android.app.Activity;
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.settings.R;
+import com.android.settings.core.SubSettingLauncher;
+import com.android.settings.display.WallpaperPreferenceController;
+
+import com.google.android.setupcompat.util.WizardManagerHelper;
+
+public abstract class StyleSuggestionActivityBase extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final PackageManager pm = getPackageManager();
+        final Intent intent = new Intent()
+                .setComponent(new WallpaperPreferenceController(this, "dummy key")
+                        .getComponentName())
+                .addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
+
+        // passing the necessary extra to next page
+        WizardManagerHelper.copyWizardManagerExtras(getIntent(), intent);
+
+        addExtras(intent);
+
+        if (pm.resolveActivity(intent, 0) != null) {
+            startActivity(intent);
+        } else {
+            startFallbackSuggestion();
+        }
+
+        finish();
+    }
+
+    /**
+     * Add any extras to the intent before launching the wallpaper activity
+     * @param intent
+     */
+    protected void addExtras(Intent intent) { }
+
+    @VisibleForTesting
+    void startFallbackSuggestion() {
+        // fall back to default wallpaper picker
+        new SubSettingLauncher(this)
+                .setDestination(WallpaperTypeSettings.class.getName())
+                .setTitleRes(R.string.wallpaper_suggestion_title)
+                .setSourceMetricsCategory(SettingsEnums.DASHBOARD_SUMMARY)
+                .addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT)
+                .launch();
+    }
+
+    protected static boolean isWallpaperServiceEnabled(Context context) {
+        return context.getResources().getBoolean(
+                com.android.internal.R.bool.config_enableWallpaperService);
+    }
+}