blob: ff4ae41a603e8db94df713b7a94511e46744728f [file] [log] [blame]
/*
* 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.settings.webview;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.RemoteException;
import android.util.Log;
import android.webkit.UserPackage;
import android.webkit.WebViewFactory;
import android.webkit.WebViewProviderInfo;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
public class WebViewUpdateServiceWrapper {
private static final String TAG = "WVUSWrapper";
public WebViewUpdateServiceWrapper() {
}
/**
* Fetch the package currently used as WebView implementation.
*/
public PackageInfo getCurrentWebViewPackage() {
try {
return WebViewFactory.getUpdateService().getCurrentWebViewPackage();
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
return null;
}
/**
* Fetches ApplicationInfo objects for all currently valid WebView packages.
* A WebView package is considered valid if it can be used as a WebView implementation. The
* validity of a package is not dependent on whether the package is installed/enabled.
*/
public List<ApplicationInfo> getValidWebViewApplicationInfos(Context context) {
WebViewProviderInfo[] providers = null;
try {
providers = WebViewFactory.getUpdateService().getValidWebViewPackages();
} catch (RemoteException e) {
}
List<ApplicationInfo> pkgs = new ArrayList<>();
for (WebViewProviderInfo provider : providers) {
try {
pkgs.add(context.getPackageManager().getApplicationInfo(
provider.packageName, PACKAGE_FLAGS));
} catch (PackageManager.NameNotFoundException e) {
}
}
return pkgs;
}
/**
* Change WebView provider to {@param packageName}.
*
* @return whether the change succeeded.
*/
public boolean setWebViewProvider(String packageName) {
try {
return packageName.equals(
WebViewFactory.getUpdateService().changeProviderAndSetting(packageName));
} catch (RemoteException e) {
Log.e(TAG, "RemoteException when trying to change provider to " + packageName, e);
}
return false;
}
/**
* Fetch PackageInfos for the package named {@param packageName} for all users on the device.
*/
public List<UserPackage> getPackageInfosAllUsers(Context context, String packageName) {
return UserPackage.getPackageInfosAllUsers(context, packageName, PACKAGE_FLAGS);
}
/**
* Show a toast to explain the chosen package can no longer be chosen.
*/
public void showInvalidChoiceToast(Context context) {
// The user chose a package that became invalid since the list was last updated,
// show a Toast to explain the situation.
Toast toast = Toast.makeText(context,
com.android.settingslib.R.string.select_webview_provider_toast_text,
Toast.LENGTH_SHORT);
toast.show();
}
static final int PACKAGE_FLAGS = PackageManager.MATCH_ANY_USER;
}