diff options
Diffstat (limited to 'ui/src/main/java/com/wireguard/android/QuickTileService.kt')
| -rw-r--r-- | ui/src/main/java/com/wireguard/android/QuickTileService.kt | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/ui/src/main/java/com/wireguard/android/QuickTileService.kt b/ui/src/main/java/com/wireguard/android/QuickTileService.kt new file mode 100644 index 00000000..9be2cc2b --- /dev/null +++ b/ui/src/main/java/com/wireguard/android/QuickTileService.kt @@ -0,0 +1,187 @@ +/* + * Copyright © 2017-2023 WireGuard LLC. All Rights Reserved. + * SPDX-License-Identifier: Apache-2.0 + */ +package com.wireguard.android + +import android.app.PendingIntent +import android.content.Intent +import android.graphics.Bitmap +import android.graphics.Canvas +import android.graphics.drawable.Icon +import android.net.Uri +import android.os.Build +import android.os.IBinder +import android.provider.Settings +import android.service.quicksettings.Tile +import android.service.quicksettings.TileService +import android.util.Log +import androidx.annotation.RequiresApi +import androidx.databinding.Observable +import androidx.databinding.Observable.OnPropertyChangedCallback +import com.wireguard.android.activity.MainActivity +import com.wireguard.android.activity.TunnelToggleActivity +import com.wireguard.android.backend.Tunnel +import com.wireguard.android.model.ObservableTunnel +import com.wireguard.android.util.applicationScope +import com.wireguard.android.widget.SlashDrawable +import kotlinx.coroutines.launch + +/** + * Service that maintains the application's custom Quick Settings tile. This service is bound by the + * system framework as necessary to update the appearance of the tile in the system UI, and to + * forward click events to the application. + */ +@RequiresApi(Build.VERSION_CODES.N) +class QuickTileService : TileService() { + private val onStateChangedCallback = OnStateChangedCallback() + private val onTunnelChangedCallback = OnTunnelChangedCallback() + private var iconOff: Icon? = null + private var iconOn: Icon? = null + private var tunnel: ObservableTunnel? = null + + /* This works around an annoying unsolved frameworks bug some people are hitting. */ + override fun onBind(intent: Intent): IBinder? { + var ret: IBinder? = null + try { + ret = super.onBind(intent) + } catch (e: Throwable) { + Log.d(TAG, "Failed to bind to TileService", e) + } + return ret + } + + override fun onClick() { + when (val tunnel = tunnel) { + null -> { + val intent = Intent(this, MainActivity::class.java) + intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) { + startActivityAndCollapse(PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE)) + } else { + @Suppress("DEPRECATION") + startActivityAndCollapse(intent) + } + } + else -> { + unlockAndRun { + applicationScope.launch { + try { + tunnel.setStateAsync(Tunnel.State.TOGGLE) + updateTile() + } catch (_: Throwable) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE && !Settings.canDrawOverlays(this@QuickTileService)) { + val permissionIntent = Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:$packageName")) + permissionIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) + startActivityAndCollapse(PendingIntent.getActivity(this@QuickTileService, 0, permissionIntent, PendingIntent.FLAG_IMMUTABLE)) + return@launch + } + val toggleIntent = Intent(this@QuickTileService, TunnelToggleActivity::class.java) + toggleIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK) + startActivity(toggleIntent) + } + } + } + } + } + } + + override fun onCreate() { + isAdded = true + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { + iconOn = Icon.createWithResource(this, R.drawable.ic_tile) + iconOff = iconOn + return + } + val icon = SlashDrawable(resources.getDrawable(R.drawable.ic_tile, Application.get().theme)) + icon.setAnimationEnabled(false) /* Unfortunately we can't have animations, since Icons are marshaled. */ + icon.setSlashed(false) + var b = Bitmap.createBitmap(icon.intrinsicWidth, icon.intrinsicHeight, Bitmap.Config.ARGB_8888) + var c = Canvas(b) + icon.setBounds(0, 0, c.width, c.height) + icon.draw(c) + iconOn = Icon.createWithBitmap(b) + icon.setSlashed(true) + b = Bitmap.createBitmap(icon.intrinsicWidth, icon.intrinsicHeight, Bitmap.Config.ARGB_8888) + c = Canvas(b) + icon.setBounds(0, 0, c.width, c.height) + icon.draw(c) + iconOff = Icon.createWithBitmap(b) + } + + override fun onDestroy() { + super.onDestroy() + isAdded = false + } + + override fun onStartListening() { + Application.getTunnelManager().addOnPropertyChangedCallback(onTunnelChangedCallback) + tunnel?.addOnPropertyChangedCallback(onStateChangedCallback) + updateTile() + } + + override fun onStopListening() { + tunnel?.removeOnPropertyChangedCallback(onStateChangedCallback) + Application.getTunnelManager().removeOnPropertyChangedCallback(onTunnelChangedCallback) + } + + override fun onTileAdded() { + isAdded = true + } + + override fun onTileRemoved() { + isAdded = false + } + + private fun updateTile() { + // Update the tunnel. + val newTunnel = Application.getTunnelManager().lastUsedTunnel + if (newTunnel != tunnel) { + tunnel?.removeOnPropertyChangedCallback(onStateChangedCallback) + tunnel = newTunnel + tunnel?.addOnPropertyChangedCallback(onStateChangedCallback) + } + // Update the tile contents. + val tile = qsTile ?: return + + when (val tunnel = tunnel) { + null -> { + tile.label = getString(R.string.app_name) + tile.state = Tile.STATE_INACTIVE + tile.icon = iconOff + } + else -> { + tile.label = tunnel.name + tile.state = if (tunnel.state == Tunnel.State.UP) Tile.STATE_ACTIVE else Tile.STATE_INACTIVE + tile.icon = if (tunnel.state == Tunnel.State.UP) iconOn else iconOff + } + } + tile.updateTile() + } + + private inner class OnStateChangedCallback : OnPropertyChangedCallback() { + override fun onPropertyChanged(sender: Observable, propertyId: Int) { + if (sender != tunnel) { + sender.removeOnPropertyChangedCallback(this) + return + } + if (propertyId != 0 && propertyId != BR.state) + return + updateTile() + } + } + + private inner class OnTunnelChangedCallback : OnPropertyChangedCallback() { + override fun onPropertyChanged(sender: Observable, propertyId: Int) { + if (propertyId != 0 && propertyId != BR.lastUsedTunnel) + return + updateTile() + } + } + + companion object { + private const val TAG = "WireGuard/QuickTileService" + var isAdded: Boolean = false + private set + } +} |