|
|
|
|
@ -28,19 +28,16 @@ import androidx.navigation.NavGraph.Companion.findStartDestination
|
|
|
|
|
import androidx.navigation.NavHostController
|
|
|
|
|
import androidx.navigation.compose.currentBackStackEntryAsState
|
|
|
|
|
import androidx.navigation.compose.rememberNavController
|
|
|
|
|
import androidx.navigation.navOptions
|
|
|
|
|
import androidx.tracing.trace
|
|
|
|
|
import com.google.samples.apps.nowinandroid.core.designsystem.icon.Icon.DrawableResourceIcon
|
|
|
|
|
import com.google.samples.apps.nowinandroid.core.designsystem.icon.Icon.ImageVectorIcon
|
|
|
|
|
import com.google.samples.apps.nowinandroid.core.designsystem.icon.NiaIcons
|
|
|
|
|
import com.google.samples.apps.nowinandroid.core.navigation.NiaNavigationDestination
|
|
|
|
|
import com.google.samples.apps.nowinandroid.core.ui.TrackDisposableJank
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.bookmarks.R as bookmarksR
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.bookmarks.navigation.BookmarksDestination
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.foryou.R as forYouR
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.foryou.navigation.ForYouDestination
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.interests.R as interestsR
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.interests.navigation.InterestsDestination
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.bookmarks.navigation.navigateToBookmarks
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.foryou.navigation.navigateToForYou
|
|
|
|
|
import com.google.samples.apps.nowinandroid.feature.interests.navigation.navigateToInterestsGraph
|
|
|
|
|
import com.google.samples.apps.nowinandroid.navigation.TopLevelDestination
|
|
|
|
|
import com.google.samples.apps.nowinandroid.navigation.TopLevelDestination.BOOKMARKS
|
|
|
|
|
import com.google.samples.apps.nowinandroid.navigation.TopLevelDestination.FOR_YOU
|
|
|
|
|
import com.google.samples.apps.nowinandroid.navigation.TopLevelDestination.INTERESTS
|
|
|
|
|
|
|
|
|
|
@Composable
|
|
|
|
|
fun rememberNiaAppState(
|
|
|
|
|
@ -72,61 +69,35 @@ class NiaAppState(
|
|
|
|
|
/**
|
|
|
|
|
* Top level destinations to be used in the BottomBar and NavRail
|
|
|
|
|
*/
|
|
|
|
|
val topLevelDestinations: List<TopLevelDestination> = listOf(
|
|
|
|
|
TopLevelDestination(
|
|
|
|
|
route = ForYouDestination.route,
|
|
|
|
|
destination = ForYouDestination.destination,
|
|
|
|
|
selectedIcon = DrawableResourceIcon(NiaIcons.Upcoming),
|
|
|
|
|
unselectedIcon = DrawableResourceIcon(NiaIcons.UpcomingBorder),
|
|
|
|
|
iconTextId = forYouR.string.for_you
|
|
|
|
|
),
|
|
|
|
|
TopLevelDestination(
|
|
|
|
|
route = BookmarksDestination.route,
|
|
|
|
|
destination = BookmarksDestination.destination,
|
|
|
|
|
selectedIcon = DrawableResourceIcon(NiaIcons.Bookmarks),
|
|
|
|
|
unselectedIcon = DrawableResourceIcon(NiaIcons.BookmarksBorder),
|
|
|
|
|
iconTextId = bookmarksR.string.saved
|
|
|
|
|
),
|
|
|
|
|
TopLevelDestination(
|
|
|
|
|
route = InterestsDestination.route,
|
|
|
|
|
destination = InterestsDestination.destination,
|
|
|
|
|
selectedIcon = ImageVectorIcon(NiaIcons.Grid3x3),
|
|
|
|
|
unselectedIcon = ImageVectorIcon(NiaIcons.Grid3x3),
|
|
|
|
|
iconTextId = interestsR.string.interests
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
val topLevelDestinations: List<TopLevelDestination> = TopLevelDestination.values().asList()
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* UI logic for navigating to a particular destination in the app. The NavigationOptions to
|
|
|
|
|
* navigate with are based on the type of destination, which could be a top level destination or
|
|
|
|
|
* just a regular destination.
|
|
|
|
|
* UI logic for navigating to a top level destination in the app. Top level destinations have
|
|
|
|
|
* only one copy of the destination of the back stack, and save and restore state whenever you
|
|
|
|
|
* navigate to and from it.
|
|
|
|
|
*
|
|
|
|
|
* Top level destinations have only one copy of the destination of the back stack, and save and
|
|
|
|
|
* restore state whenever you navigate to and from it.
|
|
|
|
|
* Regular destinations can have multiple copies in the back stack and state isn't saved nor
|
|
|
|
|
* restored.
|
|
|
|
|
*
|
|
|
|
|
* @param destination: The [NiaNavigationDestination] the app needs to navigate to.
|
|
|
|
|
* @param route: Optional route to navigate to in case the destination contains arguments.
|
|
|
|
|
* @param topLevelDestination: The destination the app needs to navigate to.
|
|
|
|
|
*/
|
|
|
|
|
fun navigate(destination: NiaNavigationDestination, route: String? = null) {
|
|
|
|
|
trace("Navigation: ${destination.route}") {
|
|
|
|
|
if (destination is TopLevelDestination) {
|
|
|
|
|
navController.navigate(route ?: destination.route) {
|
|
|
|
|
// Pop up to the start destination of the graph to
|
|
|
|
|
// avoid building up a large stack of destinations
|
|
|
|
|
// on the back stack as users select items
|
|
|
|
|
popUpTo(navController.graph.findStartDestination().id) {
|
|
|
|
|
saveState = true
|
|
|
|
|
}
|
|
|
|
|
// Avoid multiple copies of the same destination when
|
|
|
|
|
// reselecting the same item
|
|
|
|
|
launchSingleTop = true
|
|
|
|
|
// Restore state when reselecting a previously selected item
|
|
|
|
|
restoreState = true
|
|
|
|
|
fun navigateToTopLevelDestination(topLevelDestination: TopLevelDestination) {
|
|
|
|
|
trace("Navigation: ${topLevelDestination.name}") {
|
|
|
|
|
val topLevelNavOptions = navOptions {
|
|
|
|
|
// Pop up to the start destination of the graph to
|
|
|
|
|
// avoid building up a large stack of destinations
|
|
|
|
|
// on the back stack as users select items
|
|
|
|
|
popUpTo(navController.graph.findStartDestination().id) {
|
|
|
|
|
saveState = true
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
navController.navigate(route ?: destination.route)
|
|
|
|
|
// Avoid multiple copies of the same destination when
|
|
|
|
|
// reselecting the same item
|
|
|
|
|
launchSingleTop = true
|
|
|
|
|
// Restore state when reselecting a previously selected item
|
|
|
|
|
restoreState = true
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
when (topLevelDestination) {
|
|
|
|
|
FOR_YOU -> navController.navigateToForYou(topLevelNavOptions)
|
|
|
|
|
BOOKMARKS -> navController.navigateToBookmarks(topLevelNavOptions)
|
|
|
|
|
INTERESTS -> navController.navigateToInterestsGraph(topLevelNavOptions)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
Manuel Vicente Vivo
2 years ago
committed by
Gerrit Code Review