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/*
* 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.packageinstaller.role.model;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Process;
import android.os.UserHandle;
import android.util.ArraySet;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.packageinstaller.role.utils.UserUtils;
import com.android.permissioncontroller.R;
import java.util.ArrayList;
import java.util.List;
/**
* Class for behavior of the browser role.
*
* @see com.android.settings.applications.DefaultAppSettings
* @see com.android.settings.applications.defaultapps.DefaultBrowserPreferenceController
* @see com.android.settings.applications.defaultapps.DefaultBrowserPicker
* @see com.android.server.pm.PackageManagerService#resolveAllBrowserApps(int)
*/
public class BrowserRoleBehavior implements RoleBehavior {
private static final Intent BROWSER_INTENT = new Intent()
.setAction(Intent.ACTION_VIEW)
.addCategory(Intent.CATEGORY_BROWSABLE)
.setData(Uri.fromParts("http", "", null));
@NonNull
@Override
public List<String> getDefaultHolders(@NonNull Role role, @NonNull Context context) {
return ExclusiveDefaultHolderMixin.getDefaultHolders(role, "config_defaultBrowser",
context);
}
@Nullable
@Override
public String getFallbackHolder(@NonNull Role role, @NonNull Context context) {
List<String> packageNames = role.getQualifyingPackagesAsUser(Process.myUserHandle(),
context);
if (packageNames.size() == 1) {
return packageNames.get(0);
}
return null;
}
// PackageManager.queryIntentActivities() will only return the default browser if one was set.
// Code in the Settings app passes PackageManager.MATCH_ALL and perform its own filtering, so we
// do the same thing here.
@Nullable
@Override
public List<String> getQualifyingPackagesAsUser(@NonNull Role role, @NonNull UserHandle user,
@NonNull Context context) {
return getQualifyingPackagesAsUserInternal(null, user, context);
}
@Nullable
@Override
public Boolean isPackageQualified(@NonNull Role role, @NonNull String packageName,
@NonNull Context context) {
List<String> packageNames = getQualifyingPackagesAsUserInternal(packageName,
Process.myUserHandle(), context);
return !packageNames.isEmpty();
}
@NonNull
private List<String> getQualifyingPackagesAsUserInternal(@Nullable String packageName,
@NonNull UserHandle user, @NonNull Context context) {
Context userContext = UserUtils.getUserContext(context, user);
PackageManager userPackageManager = userContext.getPackageManager();
Intent intent = BROWSER_INTENT;
if (packageName != null) {
intent = new Intent(intent)
.setPackage(packageName);
}
List<ResolveInfo> resolveInfos = userPackageManager.queryIntentActivities(intent,
// To one's surprise, MATCH_ALL doesn't include MATCH_DIRECT_BOOT_*.
PackageManager.MATCH_ALL | PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE);
ArraySet<String> packageNames = new ArraySet<>();
int resolveInfosSize = resolveInfos.size();
for (int i = 0; i < resolveInfosSize; i++) {
ResolveInfo resolveInfo = resolveInfos.get(i);
if (!resolveInfo.handleAllWebDataURI) {
continue;
}
packageNames.add(resolveInfo.activityInfo.packageName);
}
return new ArrayList<>(packageNames);
}
@Override
public boolean isVisibleAsUser(@NonNull Role role, @NonNull UserHandle user,
@NonNull Context context) {
return context.getResources().getBoolean(R.bool.config_showBrowserRole);
}
}
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