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46 lines
1.8 KiB
Kotlin
46 lines
1.8 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.debugsettings.store
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import androidx.navigation.NavHostController
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.launch
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import mozilla.components.lib.state.Middleware
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import mozilla.components.lib.state.MiddlewareContext
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import org.mozilla.fenix.debugsettings.navigation.DebugDrawerRoute
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import org.mozilla.fenix.debugsettings.ui.DEBUG_DRAWER_HOME_ROUTE
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/**
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* Middleware that handles navigation events for the Debug Drawer feature.
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*
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* @param navController [NavHostController] used to execute any navigation actions on the UI.
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* @param scope [CoroutineScope] used to make calls to the main thread.
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*/
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class DebugDrawerNavigationMiddleware(
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private val navController: NavHostController,
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private val scope: CoroutineScope,
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) : Middleware<DebugDrawerState, DebugDrawerAction> {
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override fun invoke(
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context: MiddlewareContext<DebugDrawerState, DebugDrawerAction>,
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next: (DebugDrawerAction) -> Unit,
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action: DebugDrawerAction,
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) {
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next(action)
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scope.launch {
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when (action) {
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is DebugDrawerAction.NavigateTo.Home -> navController.popBackStack(
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route = DEBUG_DRAWER_HOME_ROUTE,
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inclusive = false,
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)
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is DebugDrawerAction.NavigateTo.TabTools ->
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navController.navigate(route = DebugDrawerRoute.TabTools.route)
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is DebugDrawerAction.OnBackPressed -> navController.popBackStack()
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is DebugDrawerAction.DrawerOpened, DebugDrawerAction.DrawerClosed -> Unit // no-op
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}
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}
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}
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}
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