95 lines
3.3 KiB
Kotlin
95 lines
3.3 KiB
Kotlin
/*
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* Copyright (C) 2020 Conny Duck
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*
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* This file is part of Pixelcat.
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*
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* Pixelcat is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Pixelcat is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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// from https://proandroiddev.com/viewmodel-with-dagger2-architecture-components-2e06f06c9455
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package at.connyduck.pixelcat.dagger
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import at.connyduck.pixelcat.components.compose.ComposeViewModel
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import at.connyduck.pixelcat.components.login.LoginViewModel
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import at.connyduck.pixelcat.components.main.MainViewModel
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import at.connyduck.pixelcat.components.notifications.NotificationsViewModel
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import at.connyduck.pixelcat.components.profile.ProfileViewModel
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import at.connyduck.pixelcat.components.search.SearchViewModel
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import at.connyduck.pixelcat.components.timeline.TimelineViewModel
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import dagger.Binds
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import dagger.MapKey
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import dagger.Module
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import dagger.multibindings.IntoMap
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import javax.inject.Inject
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import javax.inject.Provider
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import javax.inject.Singleton
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import kotlin.reflect.KClass
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@Singleton
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class ViewModelFactory @Inject constructor(private val viewModels: MutableMap<Class<out ViewModel>, Provider<ViewModel>>) : ViewModelProvider.Factory {
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@Suppress("UNCHECKED_CAST")
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override fun <T : ViewModel> create(modelClass: Class<T>): T = viewModels[modelClass]?.get() as T
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}
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@Target(AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY_GETTER, AnnotationTarget.PROPERTY_SETTER)
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@Retention(AnnotationRetention.RUNTIME)
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@MapKey
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internal annotation class ViewModelKey(val value: KClass<out ViewModel>)
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@Module
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abstract class ViewModelModule {
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@Binds
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internal abstract fun bindViewModelFactory(factory: ViewModelFactory): ViewModelProvider.Factory
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@Binds
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@IntoMap
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@ViewModelKey(LoginViewModel::class)
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internal abstract fun loginViewModel(viewModel: LoginViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(MainViewModel::class)
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internal abstract fun mainViewModel(viewModel: MainViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(TimelineViewModel::class)
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internal abstract fun timelineViewModel(viewModel: TimelineViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(SearchViewModel::class)
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internal abstract fun searchViewModel(viewModel: SearchViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(NotificationsViewModel::class)
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internal abstract fun notificationsViewModel(viewModel: NotificationsViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(ProfileViewModel::class)
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internal abstract fun profileViewModel(viewModel: ProfileViewModel): ViewModel
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@Binds
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@IntoMap
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@ViewModelKey(ComposeViewModel::class)
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internal abstract fun composeViewModel(viewModel: ComposeViewModel): ViewModel
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// Add more ViewModels here
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}
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