Adding tests for themed icons support in Launcher

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity-alias>

        <activity-alias android:name="Activity15" android:exported="true"

            android:label="ThemeIconTestActivity"

            android:icon="@drawable/test_theme_icon"

            android:targetActivity="com.android.launcher3.testcomponent.OtherBaseTestingActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity-alias>

        <!-- [b/197780098] Disable eager initialization of Jetpack libraries. -->

        <provider

<?xml version="1.0" encoding="utf-8"?>

<!--

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.

-->

<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">

    <background android:drawable="@android:color/white"/>

    <foreground>

        <color android:color="#FFFF0000" />

    </foreground>

    <monochrome>

        <vector android:width="48dp" android:height="48dp" android:viewportWidth="48.0" android:viewportHeight="48.0">

            <path

                android:fillColor="#FF000000"

                android:pathData="M0,24L48,24 48,48, 0,48 Z"/>

        </vector>

    </monochrome>

</adaptive-icon>

/*

 * Copyright (C) 2022 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.ui.workspace;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertNotNull;

import static org.junit.Assert.assertTrue;

import android.content.ContentProviderClient;

import android.content.ContentResolver;

import android.content.ContentValues;

import android.net.Uri;

import android.view.View;

import android.view.ViewGroup;

import androidx.test.filters.LargeTest;

import com.android.launcher3.BubbleTextView;

import com.android.launcher3.icons.ThemedIconDrawable;

import com.android.launcher3.tapl.HomeAllApps;

import com.android.launcher3.tapl.HomeAppIcon;

import com.android.launcher3.ui.AbstractLauncherUiTest;

import com.android.launcher3.ui.TaplTestsLauncher3;

import org.junit.Test;

import java.util.ArrayDeque;

import java.util.Queue;

/**

 * Tests for theme icon support in Launcher

 *

 * Note running these tests will clear the workspace on the device.

 */

@LargeTest

public class ThemeIconsTest extends AbstractLauncherUiTest {

    private static final String APP_NAME = "ThemeIconTestActivity";

    @Test

    public void testIconWithoutTheme() throws Exception {

        setThemeEnabled(false);

        TaplTestsLauncher3.initialize(this);

        HomeAllApps allApps = mLauncher.getWorkspace().switchToAllApps();

        allApps.freeze();

        try {

            HomeAppIcon icon = allApps.getAppIcon(APP_NAME);

            executeOnLauncher(l -> verifyIconTheme(l.getAppsView(), false));

            icon.dragToWorkspace(false, false);

            executeOnLauncher(l -> verifyIconTheme(l.getWorkspace(), false));

        } finally {

            allApps.unfreeze();

        }

    }

    @Test

    public void testIconWithTheme() throws Exception {

        setThemeEnabled(true);

        TaplTestsLauncher3.initialize(this);

        HomeAllApps allApps = mLauncher.getWorkspace().switchToAllApps();

        allApps.freeze();

        try {

            HomeAppIcon icon = allApps.getAppIcon(APP_NAME);

            executeOnLauncher(l -> verifyIconTheme(l.getAppsView(), false));

            icon.dragToWorkspace(false, false);

            executeOnLauncher(l -> verifyIconTheme(l.getWorkspace(), true));

        } finally {

            allApps.unfreeze();

        }

    }

    private void verifyIconTheme(ViewGroup parent, boolean isThemed) {

        // Find the app icon

        Queue<View> viewQueue = new ArrayDeque<>();

        viewQueue.add(parent);

        BubbleTextView icon = null;

        while (!viewQueue.isEmpty()) {

            View view = viewQueue.poll();

            if (view instanceof ViewGroup) {

                parent = (ViewGroup) view;

                for (int i = parent.getChildCount() - 1; i >= 0; i--) {

                    viewQueue.add(parent.getChildAt(i));

                }

            } else if (view instanceof BubbleTextView) {

                BubbleTextView btv = (BubbleTextView) view;

                if (APP_NAME.equals(btv.getText())) {

                    icon = btv;

                    break;

                }

            }

        }

        assertNotNull(icon.getIcon());

        assertEquals(isThemed, icon.getIcon() instanceof ThemedIconDrawable);

    }

    private void setThemeEnabled(boolean isEnabled) throws Exception {

        Uri uri = new Uri.Builder()

                .scheme(ContentResolver.SCHEME_CONTENT)

                .authority(mTargetPackage + ".grid_control")

                .appendPath("set_icon_themed")

                .build();

        ContentValues values = new ContentValues();

        values.put("boolean_value", isEnabled);

        try (ContentProviderClient client = mTargetContext.getContentResolver()

                .acquireContentProviderClient(uri)) {

            int result = client.update(uri, values, null);

            assertTrue(result > 0);

        }

    }

}