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/*
* Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
* SPDX-License-Identifier: GPL-3.0-only
*/
package com.zeapo.pwdstore
import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.app.Service
import android.content.ClipboardManager
import android.content.Intent
import android.content.SharedPreferences
import android.os.Build
import android.os.IBinder
import androidx.core.app.NotificationCompat
import androidx.core.content.getSystemService
import androidx.localbroadcastmanager.content.LocalBroadcastManager
import androidx.preference.PreferenceManager
import com.github.ajalt.timberkt.d
import com.zeapo.pwdstore.utils.ClipboardUtils
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.cancel
import kotlinx.coroutines.delay
import kotlinx.coroutines.isActive
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
class ClipboardService : Service() {
private val scope = CoroutineScope(Job() + Dispatchers.Main)
private val settings: SharedPreferences by lazy { PreferenceManager.getDefaultSharedPreferences(this) }
override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
if (intent != null) {
when (intent.action) {
ACTION_CLEAR -> {
clearClipboard()
stopForeground(true)
stopSelf()
return super.onStartCommand(intent, flags, startId)
}
ACTION_START -> {
val time = try {
Integer.parseInt(settings.getString("general_show_time", "45") as String)
} catch (e: NumberFormatException) {
45
}
if (time == 0) {
stopSelf()
}
createNotification()
scope.launch {
withContext(Dispatchers.IO) {
startTimer(time)
}
withContext(Dispatchers.Main) {
emitBroadcast()
clearClipboard()
stopForeground(true)
stopSelf()
}
}
return START_NOT_STICKY
}
}
}
return super.onStartCommand(intent, flags, startId)
}
override fun onBind(intent: Intent?): IBinder? {
return null
}
override fun onDestroy() {
scope.cancel()
super.onDestroy()
}
private fun clearClipboard() {
val deepClear = settings.getBoolean("clear_clipboard_20x", false)
val clipboardManager = getSystemService<ClipboardManager>()
if (clipboardManager is ClipboardManager) {
scope.launch {
ClipboardUtils.clearClipboard(clipboardManager, deepClear)
}
} else {
d { "Cannot get clipboard manager service" }
}
}
private suspend fun startTimer(showTime: Int) {
var current = 0
while (scope.isActive && current < showTime) {
// Block for 1s or until cancel is signalled
current++
delay(1000)
}
}
private fun emitBroadcast() {
val localBroadcastManager = LocalBroadcastManager.getInstance(this)
val clearIntent = Intent(ACTION_CLEAR)
localBroadcastManager.sendBroadcast(clearIntent)
}
private fun createNotification() {
createNotificationChannel()
val clearIntent = Intent(this, ClipboardService::class.java)
clearIntent.action = ACTION_CLEAR
val pendingIntent = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
PendingIntent.getForegroundService(this, 0, clearIntent, PendingIntent.FLAG_UPDATE_CURRENT)
} else {
PendingIntent.getService(this, 0, clearIntent, PendingIntent.FLAG_UPDATE_CURRENT)
}
val notification = NotificationCompat.Builder(this, CHANNEL_ID)
.setContentTitle(getString(R.string.app_name))
.setContentText(getString(R.string.tap_clear_clipboard))
.setSmallIcon(R.drawable.ic_action_secure_24dp)
.setContentIntent(pendingIntent)
.setUsesChronometer(true)
.setPriority(NotificationCompat.PRIORITY_LOW)
.build()
startForeground(1, notification)
}
private fun createNotificationChannel() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val serviceChannel = NotificationChannel(
CHANNEL_ID,
getString(R.string.app_name),
NotificationManager.IMPORTANCE_LOW
)
val manager = getSystemService<NotificationManager>()
if (manager != null) {
manager.createNotificationChannel(serviceChannel)
} else {
d { "Failed to create notification channel" }
}
}
}
companion object {
private const val ACTION_CLEAR = "ACTION_CLEAR_CLIPBOARD"
private const val ACTION_START = "ACTION_START_CLIPBOARD_TIMER"
private const val CHANNEL_ID = "NotificationService"
}
}
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