From 847da23300e9bd0b8786ddb27ffdd5681023bc8d Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Sun, 20 Sep 2020 18:03:58 +0200 Subject: TunnelDetailFragment: use kotlin coroutine for timer and rework nullability Signed-off-by: Jason A. Donenfeld --- .../android/fragment/TunnelDetailFragment.kt | 81 ++++++++++------------ 1 file changed, 38 insertions(+), 43 deletions(-) (limited to 'ui') diff --git a/ui/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.kt b/ui/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.kt index 21f0be5d..ce39fd8f 100644 --- a/ui/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.kt +++ b/ui/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.kt @@ -17,9 +17,8 @@ import com.wireguard.android.backend.Tunnel import com.wireguard.android.databinding.TunnelDetailFragmentBinding import com.wireguard.android.databinding.TunnelDetailPeerBinding import com.wireguard.android.model.ObservableTunnel +import kotlinx.coroutines.delay import kotlinx.coroutines.launch -import java.util.Timer -import java.util.TimerTask /** * Fragment that shows details about a specific tunnel. @@ -27,16 +26,15 @@ import java.util.TimerTask class TunnelDetailFragment : BaseFragment() { private var binding: TunnelDetailFragmentBinding? = null private var lastState = Tunnel.State.TOGGLE - private var timer: Timer? = null + private var timerActive = true private fun formatBytes(bytes: Long): String { - val context = requireContext() return when { - bytes < 1024 -> context.getString(R.string.transfer_bytes, bytes) - bytes < 1024 * 1024 -> context.getString(R.string.transfer_kibibytes, bytes / 1024.0) - bytes < 1024 * 1024 * 1024 -> context.getString(R.string.transfer_mibibytes, bytes / (1024.0 * 1024.0)) - bytes < 1024 * 1024 * 1024 * 1024L -> context.getString(R.string.transfer_gibibytes, bytes / (1024.0 * 1024.0 * 1024.0)) - else -> context.getString(R.string.transfer_tibibytes, bytes / (1024.0 * 1024.0 * 1024.0) / 1024.0) + bytes < 1024 -> getString(R.string.transfer_bytes, bytes) + bytes < 1024 * 1024 -> getString(R.string.transfer_kibibytes, bytes / 1024.0) + bytes < 1024 * 1024 * 1024 -> getString(R.string.transfer_mibibytes, bytes / (1024.0 * 1024.0)) + bytes < 1024 * 1024 * 1024 * 1024L -> getString(R.string.transfer_gibibytes, bytes / (1024.0 * 1024.0 * 1024.0)) + else -> getString(R.string.transfer_tibibytes, bytes / (1024.0 * 1024.0 * 1024.0) / 1024.0) } } @@ -64,12 +62,13 @@ class TunnelDetailFragment : BaseFragment() { override fun onResume() { super.onResume() - timer = Timer() - timer!!.scheduleAtFixedRate(object : TimerTask() { - override fun run() { + timerActive = true + lifecycleScope.launch { + while (timerActive) { updateStats() + delay(1000) } - }, 0, 1000) + } } override fun onSelectedTunnelChanged(oldTunnel: ObservableTunnel?, newTunnel: ObservableTunnel?) { @@ -83,15 +82,12 @@ class TunnelDetailFragment : BaseFragment() { } } lastState = Tunnel.State.TOGGLE - updateStats() + lifecycleScope.launch { updateStats() } } override fun onStop() { + timerActive = false super.onStop() - if (timer != null) { - timer!!.cancel() - timer = null - } } override fun onViewStateRestored(savedInstanceState: Bundle?) { @@ -101,37 +97,36 @@ class TunnelDetailFragment : BaseFragment() { super.onViewStateRestored(savedInstanceState) } - private fun updateStats() { - if (binding == null || !isResumed) return - val tunnel = binding!!.tunnel ?: return + private suspend fun updateStats() { + val binding = binding ?: return + val tunnel = binding.tunnel ?: return + if (!isResumed) return val state = tunnel.state if (state != Tunnel.State.UP && lastState == state) return lastState = state - lifecycleScope.launch { - try { - val statistics = tunnel.getStatisticsAsync() - for (i in 0 until binding!!.peersLayout.childCount) { - val peer: TunnelDetailPeerBinding = DataBindingUtil.getBinding(binding!!.peersLayout.getChildAt(i)) - ?: continue - val publicKey = peer.item!!.publicKey - val rx = statistics.peerRx(publicKey) - val tx = statistics.peerTx(publicKey) - if (rx == 0L && tx == 0L) { - peer.transferLabel.visibility = View.GONE - peer.transferText.visibility = View.GONE - continue - } - peer.transferText.text = requireContext().getString(R.string.transfer_rx_tx, formatBytes(rx), formatBytes(tx)) - peer.transferLabel.visibility = View.VISIBLE - peer.transferText.visibility = View.VISIBLE - } - } catch (e: Throwable) { - for (i in 0 until binding!!.peersLayout.childCount) { - val peer: TunnelDetailPeerBinding = DataBindingUtil.getBinding(binding!!.peersLayout.getChildAt(i)) - ?: continue + try { + val statistics = tunnel.getStatisticsAsync() + for (i in 0 until binding.peersLayout.childCount) { + val peer: TunnelDetailPeerBinding = DataBindingUtil.getBinding(binding.peersLayout.getChildAt(i)) + ?: continue + val publicKey = peer.item!!.publicKey + val rx = statistics.peerRx(publicKey) + val tx = statistics.peerTx(publicKey) + if (rx == 0L && tx == 0L) { peer.transferLabel.visibility = View.GONE peer.transferText.visibility = View.GONE + continue } + peer.transferText.text = getString(R.string.transfer_rx_tx, formatBytes(rx), formatBytes(tx)) + peer.transferLabel.visibility = View.VISIBLE + peer.transferText.visibility = View.VISIBLE + } + } catch (e: Throwable) { + for (i in 0 until binding.peersLayout.childCount) { + val peer: TunnelDetailPeerBinding = DataBindingUtil.getBinding(binding.peersLayout.getChildAt(i)) + ?: continue + peer.transferLabel.visibility = View.GONE + peer.transferText.visibility = View.GONE } } } -- cgit v1.2.3