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/*
* Copyright (C) 2017 The Android Open Source Project
*
* This file is derived in part from code issued under the following license.
*
* 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.dialer.oem;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import com.android.dialer.common.LogUtil;
import java.util.regex.Pattern;
/**
* Util class to handle special char sequence and launch corresponding intent based the sequence.
*/
public class MotorolaHiddenMenuKeySequence {
private static final String EXTRA_HIDDEN_MENU_CODE = "HiddenMenuCode";
private static MotorolaHiddenMenuKeySequence instance = null;
private static String[] hiddenKeySequenceArray = null;
private static String[] hiddenKeySequenceIntentArray = null;
private static String[] hiddenKeyPatternArray = null;
private static String[] hiddenKeyPatternIntentArray = null;
private static boolean featureHiddenMenuEnabled = false;
/**
* Handle input char sequence.
*
* @param context context
* @param input input sequence
* @return true if the input matches any pattern
*/
static boolean handleCharSequence(Context context, String input) {
getInstance(context);
if (!featureHiddenMenuEnabled) {
return false;
}
return handleKeySequence(context, input) || handleKeyPattern(context, input);
}
/**
* Public interface to return the Singleton instance
*
* @param context the Context
* @return the MotorolaHiddenMenuKeySequence singleton instance
*/
private static synchronized MotorolaHiddenMenuKeySequence getInstance(Context context) {
if (null == instance) {
instance = new MotorolaHiddenMenuKeySequence(context);
}
return instance;
}
private MotorolaHiddenMenuKeySequence(Context context) {
featureHiddenMenuEnabled =
MotorolaUtils.isSpnMatched(context)
&& context.getResources().getBoolean(R.bool.motorola_feature_hidden_menu);
// In case we do have a SPN from resource we need to match from service; otherwise we are
// free to go
if (featureHiddenMenuEnabled) {
hiddenKeySequenceArray =
context.getResources().getStringArray(R.array.motorola_hidden_menu_key_sequence);
hiddenKeySequenceIntentArray =
context.getResources().getStringArray(R.array.motorola_hidden_menu_key_sequence_intents);
hiddenKeyPatternArray =
context.getResources().getStringArray(R.array.motorola_hidden_menu_key_pattern);
hiddenKeyPatternIntentArray =
context.getResources().getStringArray(R.array.motorola_hidden_menu_key_pattern_intents);
if (hiddenKeySequenceArray.length != hiddenKeySequenceIntentArray.length
|| hiddenKeyPatternArray.length != hiddenKeyPatternIntentArray.length
|| (hiddenKeySequenceArray.length == 0 && hiddenKeyPatternArray.length == 0)) {
LogUtil.e(
"MotorolaHiddenMenuKeySequence",
"the key sequence array is not matching, turn off feature."
+ "key sequence: %d != %d, key pattern %d != %d",
hiddenKeySequenceArray.length,
hiddenKeySequenceIntentArray.length,
hiddenKeyPatternArray.length,
hiddenKeyPatternIntentArray.length);
featureHiddenMenuEnabled = false;
}
}
}
private static boolean handleKeyPattern(Context context, String input) {
int len = input.length();
if (len <= 3 || hiddenKeyPatternArray == null || hiddenKeyPatternIntentArray == null) {
return false;
}
for (int i = 0; i < hiddenKeyPatternArray.length; i++) {
if ((Pattern.compile(hiddenKeyPatternArray[i])).matcher(input).matches()) {
return sendIntent(context, input, hiddenKeyPatternIntentArray[i]);
}
}
return false;
}
private static boolean handleKeySequence(Context context, String input) {
int len = input.length();
if (len <= 3 || hiddenKeySequenceArray == null || hiddenKeySequenceIntentArray == null) {
return false;
}
for (int i = 0; i < hiddenKeySequenceArray.length; i++) {
if (hiddenKeySequenceArray[i].equals(input)) {
return sendIntent(context, input, hiddenKeySequenceIntentArray[i]);
}
}
return false;
}
private static boolean sendIntent(
final Context context, final String input, final String action) {
LogUtil.d("MotorolaHiddenMenuKeySequence.sendIntent", "input: %s", input);
try {
Intent intent = new Intent(action);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(EXTRA_HIDDEN_MENU_CODE, input);
ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent, 0);
if (resolveInfo != null
&& resolveInfo.activityInfo != null
&& resolveInfo.activityInfo.enabled) {
context.startActivity(intent);
return true;
} else {
LogUtil.w("MotorolaHiddenMenuKeySequence.sendIntent", "not able to resolve the intent");
}
} catch (ActivityNotFoundException e) {
LogUtil.e(
"MotorolaHiddenMenuKeySequence.sendIntent", "handleHiddenMenu Key Pattern Exception", e);
}
return false;
}
}
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