Magisk/app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashViewModel.kt

123 lines
4.1 KiB
Kotlin

package com.topjohnwu.magisk.ui.flash
import android.view.MenuItem
import androidx.databinding.Bindable
import androidx.databinding.ObservableArrayList
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.map
import androidx.lifecycle.viewModelScope
import com.topjohnwu.magisk.BR
import com.topjohnwu.magisk.R
import com.topjohnwu.magisk.arch.BaseViewModel
import com.topjohnwu.magisk.core.Const
import com.topjohnwu.magisk.core.Info
import com.topjohnwu.magisk.core.ktx.reboot
import com.topjohnwu.magisk.core.ktx.synchronized
import com.topjohnwu.magisk.core.ktx.timeFormatStandard
import com.topjohnwu.magisk.core.ktx.toTime
import com.topjohnwu.magisk.core.tasks.FlashZip
import com.topjohnwu.magisk.core.tasks.MagiskInstaller
import com.topjohnwu.magisk.core.utils.MediaStoreUtils
import com.topjohnwu.magisk.core.utils.MediaStoreUtils.outputStream
import com.topjohnwu.magisk.databinding.set
import com.topjohnwu.magisk.events.SnackbarEvent
import com.topjohnwu.superuser.CallbackList
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
class FlashViewModel : BaseViewModel() {
enum class State {
FLASHING, SUCCESS, FAILED
}
private val _state = MutableLiveData(State.FLASHING)
val state: LiveData<State> get() = _state
val flashing = state.map { it == State.FLASHING }
@get:Bindable
var showReboot = Info.isRooted
set(value) = set(value, field, { field = it }, BR.showReboot)
val items = ObservableArrayList<ConsoleItem>()
lateinit var args: FlashFragmentArgs
private val logItems = mutableListOf<String>().synchronized()
private val outItems = object : CallbackList<String>() {
override fun onAddElement(e: String?) {
e ?: return
items.add(ConsoleItem(e))
logItems.add(e)
}
}
fun startFlashing() {
val (action, uri) = args
viewModelScope.launch {
val result = when (action) {
Const.Value.FLASH_ZIP -> {
uri ?: return@launch
FlashZip(uri, outItems, logItems).exec()
}
Const.Value.UNINSTALL -> {
showReboot = false
MagiskInstaller.Uninstall(outItems, logItems).exec()
}
Const.Value.FLASH_MAGISK -> {
if (Info.isEmulator)
MagiskInstaller.Emulator(outItems, logItems).exec()
else
MagiskInstaller.Direct(outItems, logItems).exec()
}
Const.Value.FLASH_INACTIVE_SLOT -> {
showReboot = false
MagiskInstaller.SecondSlot(outItems, logItems).exec()
}
Const.Value.PATCH_FILE -> {
uri ?: return@launch
showReboot = false
MagiskInstaller.Patch(uri, outItems, logItems).exec()
}
else -> {
back()
return@launch
}
}
onResult(result)
}
}
private fun onResult(success: Boolean) {
_state.value = if (success) State.SUCCESS else State.FAILED
}
fun onMenuItemClicked(item: MenuItem): Boolean {
when (item.itemId) {
R.id.action_save -> savePressed()
}
return true
}
private fun savePressed() = withExternalRW {
viewModelScope.launch(Dispatchers.IO) {
val name = "magisk_install_log_%s.log".format(
System.currentTimeMillis().toTime(timeFormatStandard)
)
val file = MediaStoreUtils.getFile(name, true)
file.uri.outputStream().bufferedWriter().use { writer ->
synchronized(logItems) {
logItems.forEach {
writer.write(it)
writer.newLine()
}
}
}
SnackbarEvent(file.toString()).publish()
}
}
fun restartPressed() = reboot()
}