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Current the UI setting a binary toggle, but the internal logic is an enum. I'll move the setting to a list in a dialog in the next CL. I took a quick pass over the schedule UI to make it semi-usable but the UI is pretty ugly right now. Change-Id: I6bd79ad2b8f38b1ac36cec6575f41e6ef2744d80
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72 changes: 72 additions & 0 deletions
72
mobile/src/main/java/com/google/samples/apps/iosched/ui/ThemedActivityDelegate.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| /* | ||
| * Copyright 2019 Google LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.google.samples.apps.iosched.ui | ||
|
|
||
| import androidx.lifecycle.LiveData | ||
| import com.google.samples.apps.iosched.model.Theme | ||
| import com.google.samples.apps.iosched.shared.domain.settings.GetThemeUseCase | ||
| import com.google.samples.apps.iosched.shared.domain.settings.ObserveThemeModeUseCase | ||
| import com.google.samples.apps.iosched.shared.result.Result.Success | ||
| import com.google.samples.apps.iosched.shared.util.map | ||
| import javax.inject.Inject | ||
| import kotlin.LazyThreadSafetyMode.NONE | ||
|
|
||
| /** | ||
| * Interface to implement activity theming via a ViewModel. | ||
| * | ||
| * You can inject a implementation of this via Dagger2, then use the implementation as an interface | ||
| * delegate to add the functionality without writing any code | ||
| * | ||
| * Example usage: | ||
| * ``` | ||
| * class MyViewModel @Inject constructor( | ||
| * themedActivityDelegate: ThemedActivityDelegate | ||
| * ) : ViewModel(), ThemedActivityDelegate by themedActivityDelegate { | ||
| * ``` | ||
| */ | ||
| interface ThemedActivityDelegate { | ||
| /** | ||
| * Allows observing of the current theme | ||
| */ | ||
| val theme: LiveData<Theme> | ||
|
|
||
| /** | ||
| * Allows querying of the current theme synchronously | ||
| */ | ||
| val currentTheme: Theme | ||
| } | ||
|
|
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| class ThemedActivityDelegateImpl @Inject constructor( | ||
| private val observeThemeUseCase: ObserveThemeModeUseCase, | ||
| private val getThemeUseCase: GetThemeUseCase | ||
| ) : ThemedActivityDelegate { | ||
| override val theme: LiveData<Theme> by lazy(NONE) { | ||
| observeThemeUseCase.observe().map { | ||
| if (it is Success) it.data else Theme.SYSTEM | ||
| } | ||
| } | ||
|
|
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| override val currentTheme: Theme | ||
| get() = getThemeUseCase.executeNow(Unit).let { | ||
| if (it is Success) it.data else Theme.SYSTEM | ||
| } | ||
|
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| init { | ||
| // Observe updates in dark mode setting | ||
| observeThemeUseCase.execute(Unit) | ||
| } | ||
| } |
28 changes: 28 additions & 0 deletions
28
mobile/src/main/java/com/google/samples/apps/iosched/ui/ThemedActivityDelegateModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * Copyright 2019 Google LLC | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.google.samples.apps.iosched.ui | ||
|
|
||
| import dagger.Binds | ||
| import dagger.Module | ||
| import javax.inject.Singleton | ||
|
|
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| @Module | ||
| abstract class ThemedActivityDelegateModule { | ||
| @Singleton | ||
| @Binds | ||
| abstract fun provideThemedActivityDelegate(impl: ThemedActivityDelegateImpl): ThemedActivityDelegate | ||
| } |
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