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/*
* Copyright (C) 2015 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 org.kelar.inputmethod.latin.permissions;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.core.app.ActivityCompat;
/**
* An activity to help request permissions. It's used when no other activity is available, e.g. in
* InputMethodService. This activity assumes that all permissions are not granted yet.
*/
public final class PermissionsActivity
extends Activity implements ActivityCompat.OnRequestPermissionsResultCallback {
/**
* Key to retrieve requested permissions from the intent.
*/
public static final String EXTRA_PERMISSION_REQUESTED_PERMISSIONS = "requested_permissions";
/**
* Key to retrieve request code from the intent.
*/
public static final String EXTRA_PERMISSION_REQUEST_CODE = "request_code";
private static final int INVALID_REQUEST_CODE = -1;
private int mPendingRequestCode = INVALID_REQUEST_CODE;
/**
* Starts a PermissionsActivity and checks/requests supplied permissions.
*/
public static void run(
@NonNull Context context, int requestCode, @NonNull String... permissionStrings) {
Intent intent = new Intent(context.getApplicationContext(), PermissionsActivity.class);
intent.putExtra(EXTRA_PERMISSION_REQUESTED_PERMISSIONS, permissionStrings);
intent.putExtra(EXTRA_PERMISSION_REQUEST_CODE, requestCode);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
context.startActivity(intent);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPendingRequestCode = (savedInstanceState != null)
? savedInstanceState.getInt(EXTRA_PERMISSION_REQUEST_CODE, INVALID_REQUEST_CODE)
: INVALID_REQUEST_CODE;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(EXTRA_PERMISSION_REQUEST_CODE, mPendingRequestCode);
}
@Override
protected void onResume() {
super.onResume();
// Only do request when there is no pending request to avoid duplicated requests.
if (mPendingRequestCode == INVALID_REQUEST_CODE) {
final Bundle extras = getIntent().getExtras();
final String[] permissionsToRequest =
extras.getStringArray(EXTRA_PERMISSION_REQUESTED_PERMISSIONS);
mPendingRequestCode = extras.getInt(EXTRA_PERMISSION_REQUEST_CODE);
// Assuming that all supplied permissions are not granted yet, so that we don't need to
// check them again.
PermissionsUtil.requestPermissions(this, mPendingRequestCode, permissionsToRequest);
}
}
@Override
public void onRequestPermissionsResult(
int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
mPendingRequestCode = INVALID_REQUEST_CODE;
PermissionsManager.get(this).onRequestPermissionsResult(
requestCode, permissions, grantResults);
finish();
}
}
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