mirror of
https://github.com/signalapp/Signal-Android.git
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Remove deprecated view model factory.
This commit is contained in:
committed by
Greyson Parrelli
parent
1b2e80d2c8
commit
07d270a82d
@@ -6,11 +6,9 @@ import androidx.annotation.MainThread
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import androidx.fragment.app.Fragment
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import androidx.fragment.app.activityViewModels
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import androidx.fragment.app.viewModels
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import androidx.lifecycle.AbstractSavedStateViewModelFactory
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import androidx.lifecycle.SavedStateHandle
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import androidx.savedstate.SavedStateRegistryOwner
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import androidx.lifecycle.viewmodel.CreationExtras
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/**
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* Simplifies [ViewModel] creation by providing default implementations of [ViewModelProvider.Factory]
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@@ -20,41 +18,22 @@ import androidx.savedstate.SavedStateRegistryOwner
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*
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* private val viewModel: MyViewModel by viewModels(factoryProducer = ViewModelFactory.factoryProducer { MyViewModel(inputParams) })
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*/
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class ViewModelFactory<MODEL : ViewModel>(private val create: () -> MODEL) : ViewModelProvider.Factory {
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class ViewModelFactory<MODEL : ViewModel>(private val create: (CreationExtras) -> MODEL) : ViewModelProvider.Factory {
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@Suppress("UNCHECKED_CAST")
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override fun <T : ViewModel> create(modelClass: Class<T>): T {
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return create() as T
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override fun <T : ViewModel> create(modelClass: Class<T>, extras: CreationExtras): T {
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return create(extras) as T
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}
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companion object {
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fun <MODEL : ViewModel> factoryProducer(create: () -> MODEL): () -> ViewModelProvider.Factory {
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fun <MODEL : ViewModel> factoryProducer(create: (CreationExtras) -> MODEL): () -> ViewModelProvider.Factory {
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return { ViewModelFactory(create) }
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}
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}
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}
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class SavedStateViewModelFactory<MODEL : ViewModel>(
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private val create: (SavedStateHandle) -> MODEL,
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registryOwner: SavedStateRegistryOwner
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) : AbstractSavedStateViewModelFactory(registryOwner, null) {
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@Suppress("UNCHECKED_CAST")
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override fun <T : ViewModel> create(key: String, modelClass: Class<T>, handle: SavedStateHandle): T {
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return create(handle) as T
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}
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companion object {
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fun <MODEL : ViewModel> factoryProducer(
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create: (SavedStateHandle) -> MODEL,
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registryOwnerProducer: () -> SavedStateRegistryOwner
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): () -> ViewModelProvider.Factory {
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return { SavedStateViewModelFactory(create, registryOwnerProducer()) }
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}
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}
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}
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@MainThread
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inline fun <reified VM : ViewModel> ComponentActivity.viewModel(
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noinline create: () -> VM
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noinline create: (CreationExtras) -> VM
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): Lazy<VM> {
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return viewModels(
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factoryProducer = ViewModelFactory.factoryProducer(create)
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@@ -63,51 +42,18 @@ inline fun <reified VM : ViewModel> ComponentActivity.viewModel(
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@MainThread
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inline fun <reified VM : ViewModel> Fragment.viewModel(
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noinline create: () -> VM
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noinline create: (CreationExtras) -> VM
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): Lazy<VM> {
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return viewModels(
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factoryProducer = ViewModelFactory.factoryProducer(create)
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)
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}
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@MainThread
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inline fun <reified VM : ViewModel> Fragment.savedStateViewModel(
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noinline create: (SavedStateHandle) -> VM
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): Lazy<VM> {
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return viewModels(
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factoryProducer = SavedStateViewModelFactory.factoryProducer(create) { this }
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)
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}
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@MainThread
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inline fun <reified VM : ViewModel> Fragment.activitySavedStateViewModel(
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noinline create: (SavedStateHandle) -> VM
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): Lazy<VM> {
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return activityViewModels(
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factoryProducer = SavedStateViewModelFactory.factoryProducer(create) { requireActivity() }
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)
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}
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@MainThread
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inline fun <reified VM : ViewModel> ComponentActivity.savedStateViewModel(
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noinline create: (SavedStateHandle) -> VM
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): Lazy<VM> {
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return viewModels(
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factoryProducer = SavedStateViewModelFactory.factoryProducer(create) { this }
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)
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}
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@MainThread
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inline fun <reified VM : ViewModel> Fragment.activityViewModel(
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noinline create: () -> VM
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noinline create: (CreationExtras) -> VM
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): Lazy<VM> {
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return activityViewModels(
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factoryProducer = ViewModelFactory.factoryProducer(create)
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)
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}
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@Suppress("ReplaceGetOrSet")
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@MainThread
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inline fun <reified VM : ViewModel> Fragment.createActivityViewModel(noinline create: () -> VM): VM {
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return ViewModelProvider(requireActivity().viewModelStore, ViewModelFactory { create() }).get(VM::class.java)
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}
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