410 lines
15 KiB
Kotlin
410 lines
15 KiB
Kotlin
package cash.z.ecc.android.ui.home
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import android.content.Context
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.widget.TextView
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import androidx.lifecycle.lifecycleScope
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import cash.z.ecc.android.R
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import cash.z.ecc.android.databinding.FragmentHomeBinding
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import cash.z.ecc.android.di.viewmodel.activityViewModel
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import cash.z.ecc.android.di.viewmodel.viewModel
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import cash.z.ecc.android.ext.disabledIf
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import cash.z.ecc.android.ext.goneIf
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import cash.z.ecc.android.ext.onClickNavTo
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import cash.z.ecc.android.ext.toColoredSpan
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import cash.z.ecc.android.ui.base.BaseFragment
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import cash.z.ecc.android.ui.home.HomeFragment.BannerAction.*
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import cash.z.ecc.android.ui.send.SendViewModel
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import cash.z.ecc.android.ui.setup.WalletSetupViewModel
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import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.NO_SEED
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import cash.z.wallet.sdk.Synchronizer
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import cash.z.wallet.sdk.Synchronizer.Status.SYNCED
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import cash.z.wallet.sdk.ext.convertZatoshiToZecString
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import cash.z.wallet.sdk.ext.convertZecToZatoshi
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import cash.z.wallet.sdk.ext.safelyConvertToBigDecimal
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import cash.z.wallet.sdk.ext.twig
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import com.google.android.material.dialog.MaterialAlertDialogBuilder
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.flow.*
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import kotlinx.coroutines.isActive
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import kotlinx.coroutines.launch
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class HomeFragment : BaseFragment<FragmentHomeBinding>() {
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private lateinit var numberPad: List<TextView>
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private lateinit var uiModel: HomeViewModel.UiModel
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private val walletSetup: WalletSetupViewModel by activityViewModel(false)
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private val sendViewModel: SendViewModel by activityViewModel()
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private val viewModel: HomeViewModel by viewModel()
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lateinit var snake: MagicSnakeLoader
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override fun inflate(inflater: LayoutInflater): FragmentHomeBinding =
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FragmentHomeBinding.inflate(inflater)
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//
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// LifeCycle
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//
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override fun onAttach(context: Context) {
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twig("HomeFragment.onAttach")
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twig("ZZZ")
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twig("ZZZ")
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twig("ZZZ")
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twig("ZZZ ===================== HOME FRAGMENT CREATED ==================================")
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super.onAttach(context)
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// this will call startSync either now or later (after initializing with newly created seed)
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walletSetup.checkSeed().onEach {
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twig("Checking seed")
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if (it == NO_SEED) {
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// interact with user to create, backup and verify seed
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// leads to a call to startSync(), later (after accounts are created from seed)
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twig("Seed not found, therefore, launching seed creation flow")
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mainActivity?.navController?.navigate(R.id.action_nav_home_to_create_wallet)
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} else {
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twig("Found seed. Re-opening existing wallet")
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mainActivity?.startSync(walletSetup.openWallet())
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}
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}.launchIn(lifecycleScope)
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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twig("HomeFragment.onViewCreated uiModel: ${::uiModel.isInitialized} saved: ${savedInstanceState != null}")
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with(binding) {
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numberPad = arrayListOf(
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buttonNumberPad0.asKey(),
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buttonNumberPad1.asKey(),
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buttonNumberPad2.asKey(),
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buttonNumberPad3.asKey(),
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buttonNumberPad4.asKey(),
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buttonNumberPad5.asKey(),
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buttonNumberPad6.asKey(),
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buttonNumberPad7.asKey(),
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buttonNumberPad8.asKey(),
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buttonNumberPad9.asKey(),
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buttonNumberPadDecimal.asKey(),
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buttonNumberPadBack.asKey()
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)
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hitAreaReceive.onClickNavTo(R.id.action_nav_home_to_nav_profile)
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iconDetail.onClickNavTo(R.id.action_nav_home_to_nav_detail)
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textDetail.onClickNavTo(R.id.action_nav_home_to_nav_detail)
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hitAreaScan.setOnClickListener {
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mainActivity?.maybeOpenScan()
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}
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textBannerAction.setOnClickListener {
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onBannerAction(BannerAction.from((it as? TextView)?.text?.toString()))
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}
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buttonSendAmount.setOnClickListener {
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onSend()
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}
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setSendAmount("0", false)
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snake = MagicSnakeLoader(binding.lottieButtonLoading)
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}
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binding.buttonNumberPadBack.setOnLongClickListener {
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onClearAmount()
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true
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}
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if (::uiModel.isInitialized) {
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twig("uiModel exists!")
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onModelUpdated(null, uiModel)
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}
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}
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private fun onClearAmount() {
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if (::uiModel.isInitialized) {
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resumedScope.launch {
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binding.textSendAmount.text.apply {
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while (uiModel.pendingSend != "0") {
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viewModel.onChar('<')
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delay(5)
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}
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}
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}
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}
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}
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override fun onResume() {
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super.onResume()
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twig("HomeFragment.onResume resumeScope.isActive: ${resumedScope.isActive} $resumedScope")
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viewModel.initializeMaybe()
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onClearAmount()
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viewModel.uiModels.scanReduce { old, new ->
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onModelUpdated(old, new)
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new
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}.onCompletion {
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twig("uiModel.scanReduce completed.")
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}.catch { e ->
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twig("exception while processing uiModels $e")
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throw e
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}.launchIn(resumedScope)
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// TODO: see if there is a better way to trigger a refresh of the uiModel on resume
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// the latest one should just be in the viewmodel and we should just "resubscribe"
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// but for some reason, this doesn't always happen, which kind of defeats the purpose
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// of having a cold stream in the view model
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resumedScope.launch {
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viewModel.refreshBalance()
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}
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}
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override fun onSaveInstanceState(outState: Bundle) {
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super.onSaveInstanceState(outState)
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twig("HomeFragment.onSaveInstanceState")
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if (::uiModel.isInitialized) {
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// outState.putParcelable("uiModel", uiModel)
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}
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}
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override fun onViewStateRestored(savedInstanceState: Bundle?) {
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super.onViewStateRestored(savedInstanceState)
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savedInstanceState?.let { inState ->
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twig("HomeFragment.onViewStateRestored")
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// onModelUpdated(HomeViewModel.UiModel(), inState.getParcelable("uiModel")!!)
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}
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}
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//
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// Public UI API
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//
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fun setSendEnabled(enabled: Boolean) {
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binding.buttonSendAmount.apply {
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isEnabled = enabled
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if (enabled) {
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// setTextColor(resources.getColorStateList(R.color.selector_button_text_dark))
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binding.lottieButtonLoading.alpha = 1.0f
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} else {
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// setTextColor(R.color.zcashGray.toAppColor())
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binding.lottieButtonLoading.alpha = 0.32f
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}
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}
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}
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fun setProgress(uiModel: HomeViewModel.UiModel) {
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if (!uiModel.processorInfo.hasData) {
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twig("Warning: ignoring progress update because the processor has not started.")
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return
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}
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snake.isSynced = uiModel.isSynced
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if (!uiModel.isSynced) {
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snake.downloadProgress = uiModel.downloadProgress
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snake.scanProgress = uiModel.scanProgress
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}
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val sendText = when {
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uiModel.isSynced -> if (uiModel.hasFunds) "SEND AMOUNT" else "NO FUNDS AVAILABLE"
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uiModel.status == Synchronizer.Status.DISCONNECTED -> "DISCONNECTED"
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uiModel.status == Synchronizer.Status.STOPPED -> "IDLE"
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uiModel.isDownloading -> "Downloading . . . ${snake.downloadProgress}%"
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uiModel.isValidating -> "Validating . . ."
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uiModel.isScanning -> "Scanning . . . ${snake.scanProgress}%"
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else -> "Updating"
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}
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// binding.lottieButtonLoading.progress = if (uiModel.isSynced) 1.0f else uiModel.totalProgress * 0.82f // line fully closes at 82% mark
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binding.buttonSendAmount.text = sendText
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// twig("Lottie progress set to ${binding.lottieButtonLoading.progress} (isSynced? ${uiModel.isSynced})")
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twig("Send button set to: $sendText")
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val resId = if (uiModel.isSynced) R.color.selector_button_text_dark else R.color.selector_button_text_light
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binding.buttonSendAmount.setTextColor(resources.getColorStateList(resId))
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// if (uiModel.status == DISCONNECTED || uiModel.status == STOPPED) {
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// binding.buttonSendAmount.backgroundTintList = ColorStateList.valueOf(resources.getColor(R.color.zcashGray))
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// } else {
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// binding.buttonSendAmount.backgroundTintList = null
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// }
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}
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/**
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* @param amount the amount to send represented as ZEC, without the dollar sign.
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*/
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fun setSendAmount(amount: String, updateModel: Boolean = true) {
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binding.textSendAmount.text = "\$$amount".toColoredSpan(R.color.text_light_dimmed, "$")
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if (updateModel) {
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sendViewModel.zatoshiAmount = amount.safelyConvertToBigDecimal().convertZecToZatoshi()
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}
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binding.buttonSendAmount.disabledIf(amount == "0")
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}
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fun setAvailable(availableBalance: Long = -1L, totalBalance: Long = -1L) {
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val availableString = if (availableBalance < 0) "Updating" else availableBalance.convertZatoshiToZecString()
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binding.textBalanceAvailable.text = availableString
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binding.textBalanceDescription.apply {
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goneIf(availableBalance < 0)
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text = if (availableBalance != -1L && (availableBalance < totalBalance)) {
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val change = (totalBalance - availableBalance).convertZatoshiToZecString()
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"(expecting +$change ZEC)".toColoredSpan(R.color.text_light, "+$change")
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} else {
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"(enter an amount to send)"
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}
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}
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}
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fun setBanner(message: String = "", action: BannerAction = CLEAR) {
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with(binding) {
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val hasMessage = !message.isEmpty() || action != CLEAR
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groupBalance.goneIf(hasMessage)
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groupBanner.goneIf(!hasMessage)
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layerLock.goneIf(!hasMessage)
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textBannerMessage.text = message
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textBannerAction.text = action.action
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}
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}
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//
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// Private UI Events
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//
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private fun onModelUpdated(old: HomeViewModel.UiModel?, new: HomeViewModel.UiModel) {
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twig("onModelUpdated: $new")
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if (binding.lottieButtonLoading.visibility != View.VISIBLE) binding.lottieButtonLoading.visibility = View.VISIBLE
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uiModel = new
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if (old?.pendingSend != new.pendingSend) {
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setSendAmount(new.pendingSend)
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}
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// TODO: handle stopped and disconnected flows
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setProgress(uiModel) // TODO: we may not need to separate anymore
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// if (new.status = SYNCING) onSyncing(new) else onSynced(new)
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if (new.status == SYNCED) onSynced(new) else onSyncing(new)
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setSendEnabled(new.isSendEnabled)
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}
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private fun onSyncing(uiModel: HomeViewModel.UiModel) {
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setAvailable()
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}
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private fun onSynced(uiModel: HomeViewModel.UiModel) {
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snake.isSynced = true
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if (!uiModel.hasBalance) {
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onNoFunds()
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} else {
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setBanner("")
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setAvailable(uiModel.availableBalance, uiModel.totalBalance)
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}
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}
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private fun onSend() {
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mainActivity?.navController?.navigate(R.id.action_nav_home_to_send)
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}
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private fun onBannerAction(action: BannerAction) {
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when (action) {
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FUND_NOW -> {
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MaterialAlertDialogBuilder(activity)
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.setMessage("To make full use of this wallet, deposit funds to your address.")
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.setTitle("No Balance")
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.setCancelable(true)
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.setPositiveButton("View Address") { dialog, _ ->
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dialog.dismiss()
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mainActivity?.navController?.navigate(R.id.action_nav_home_to_nav_receive)
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}
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.show()
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// MaterialAlertDialogBuilder(activity)
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// .setMessage("To make full use of this wallet, deposit funds to your address or tap the faucet to trigger a tiny automatic deposit.\n\nFaucet funds are made available for the community by the community for testing. So please be kind enough to return what you borrow!")
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// .setTitle("No Balance")
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// .setCancelable(true)
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// .setPositiveButton("Tap Faucet") { dialog, _ ->
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// dialog.dismiss()
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// setBanner("Tapping faucet...", CANCEL)
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// }
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// .setNegativeButton("View Address") { dialog, _ ->
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// dialog.dismiss()
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// mainActivity?.navController?.navigate(R.id.action_nav_home_to_nav_receive)
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// }
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// .show()
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}
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CANCEL -> {
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// TODO: trigger banner / balance update
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onNoFunds()
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}
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}
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}
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private fun onNoFunds() {
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setBanner("No Balance", FUND_NOW)
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}
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//
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// Inner classes and extensions
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//
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enum class BannerAction(val action: String) {
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FUND_NOW(""),
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CANCEL("Cancel"),
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NONE(""),
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CLEAR("clear");
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companion object {
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fun from(action: String?): BannerAction {
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values().forEach {
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if (it.action == action) return it
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}
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throw IllegalArgumentException("Invalid BannerAction: $action")
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}
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}
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}
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private fun TextView.asKey(): TextView {
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val c = text[0]
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setOnClickListener {
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lifecycleScope.launch {
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twig("CHAR TYPED: $c")
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viewModel.onChar(c)
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}
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}
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return this
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}
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// TODO: remove these troubleshooting logs
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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twig("HomeFragment.onCreate")
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}
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override fun onActivityCreated(savedInstanceState: Bundle?) {
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super.onActivityCreated(savedInstanceState)
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twig("HomeFragment.onActivityCreated")
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}
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override fun onStart() {
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super.onStart()
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twig("HomeFragment.onStart")
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}
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override fun onPause() {
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super.onPause()
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twig("HomeFragment.onPause resumeScope.isActive: ${resumedScope.isActive}")
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}
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override fun onStop() {
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super.onStop()
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twig("HomeFragment.onStop")
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}
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override fun onDestroyView() {
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super.onDestroyView()
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twig("HomeFragment.onDestroyView")
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}
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override fun onDestroy() {
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super.onDestroy()
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twig("HomeFragment.onDestroy")
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}
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override fun onDetach() {
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super.onDetach()
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twig("HomeFragment.onDetach")
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}
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} |