feat(ui): swipe to star/unstar, swipe to unread (Ashinch#594)

* feat(ui): swipe to star & unstar

* feat(ui): swipe to unread

* feat(ui): add haptic feedback to swipe gesture

* fix(ui): disable swipe gestures when scroll in progress

* feat(ui): configure swipe gestures

* fix(ui): workaround for swipe animation & remove text label

* fix(ui): app initialize with toggle starred

app/src/main/java/me/ash/reader/infrastructure/preference/Preference.kt

@@ -76,6 +76,8 @@ fun Preferences.toSettings(): Settings {
         // Interaction
         initialPage = InitialPagePreference.fromPreferences(this),
         initialFilter = InitialFilterPreference.fromPreferences(this),
+        swipeStartAction = SwipeStartActionPreference.fromPreferences(this),
+        swipeEndAction = SwipeEndActionPreference.fromPreferences(this),
         openLink = OpenLinkPreference.fromPreferences(this),
         openLinkSpecificBrowser = OpenLinkSpecificBrowserPreference.fromPreferences(this),
 

app/src/main/java/me/ash/reader/infrastructure/preference/Settings.kt

@@ -75,6 +75,8 @@ data class Settings(
     // Interaction
     val initialPage: InitialPagePreference = InitialPagePreference.default,
     val initialFilter: InitialFilterPreference = InitialFilterPreference.default,
+    val swipeStartAction: SwipeStartActionPreference = SwipeStartActionPreference.default,
+    val swipeEndAction: SwipeEndActionPreference = SwipeEndActionPreference.default,
     val openLink: OpenLinkPreference = OpenLinkPreference.default,
     val openLinkSpecificBrowser: OpenLinkSpecificBrowserPreference = OpenLinkSpecificBrowserPreference.default,
 
@@ -177,6 +179,8 @@ val LocalReadingImageMaximize =
 val LocalInitialPage = compositionLocalOf<InitialPagePreference> { InitialPagePreference.default }
 val LocalInitialFilter =
     compositionLocalOf<InitialFilterPreference> { InitialFilterPreference.default }
+val LocalArticleListSwipeEndAction = compositionLocalOf { SwipeEndActionPreference.default }
+val LocalArticleListSwipeStartAction = compositionLocalOf { SwipeStartActionPreference.default }
 val LocalOpenLink =
     compositionLocalOf<OpenLinkPreference> { OpenLinkPreference.default }
 val LocalOpenLinkSpecificBrowser =
@@ -263,6 +267,8 @@ fun SettingsProvider(
         // Interaction
         LocalInitialPage provides settings.initialPage,
         LocalInitialFilter provides settings.initialFilter,
+        LocalArticleListSwipeStartAction provides settings.swipeStartAction,
+        LocalArticleListSwipeEndAction provides settings.swipeEndAction,
         LocalOpenLink provides settings.openLink,
         LocalOpenLinkSpecificBrowser provides settings.openLinkSpecificBrowser,
 

app/src/main/java/me/ash/reader/infrastructure/preference/SwipeActionPreference.kt

@@ -0,0 +1,98 @@
+package me.ash.reader.infrastructure.preference
+
+import android.content.Context
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import androidx.datastore.preferences.core.Preferences
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import me.ash.reader.R
+import me.ash.reader.ui.ext.DataStoreKeys
+import me.ash.reader.ui.ext.dataStore
+import me.ash.reader.ui.ext.put
+
+data object SwipeGestureActions {
+    const val None = 0
+    const val ToggleRead = 1
+    const val ToggleStarred = 2
+}
+
+sealed class SwipeEndActionPreference(val action: Int) : Preference() {
+    override fun put(context: Context, scope: CoroutineScope) {
+        scope.launch {
+            context.dataStore.put(
+                DataStoreKeys.SwipeEndAction, action
+            )
+        }
+    }
+
+    data object None : SwipeEndActionPreference(SwipeGestureActions.None)
+    data object ToggleRead : SwipeEndActionPreference(SwipeGestureActions.ToggleRead)
+    data object ToggleStarred :
+        SwipeEndActionPreference(SwipeGestureActions.ToggleStarred)
+
+    val desc: String
+        @Composable get() = when (this) {
+            None -> stringResource(id = R.string.none)
+            ToggleRead -> stringResource(id = R.string.toggle_read)
+            ToggleStarred -> stringResource(id = R.string.toggle_starred)
+        }
+
+    companion object {
+        val default: SwipeEndActionPreference = ToggleRead
+        val values = listOf(
+            None,
+            ToggleRead,
+            ToggleStarred
+        )
+
+        fun fromPreferences(preferences: Preferences): SwipeEndActionPreference {
+            return when (preferences[DataStoreKeys.SwipeEndAction.key]) {
+                SwipeGestureActions.None -> None
+                SwipeGestureActions.ToggleRead -> ToggleRead
+                SwipeGestureActions.ToggleStarred -> ToggleStarred
+                else -> default
+            }
+        }
+    }
+}
+
+sealed class SwipeStartActionPreference(val action: Int) : Preference() {
+    override fun put(context: Context, scope: CoroutineScope) {
+        scope.launch {
+            context.dataStore.put(
+                DataStoreKeys.SwipeStartAction, action
+            )
+        }
+    }
+
+    data object None : SwipeStartActionPreference(SwipeGestureActions.None)
+    data object ToggleRead : SwipeStartActionPreference(SwipeGestureActions.ToggleRead)
+    data object ToggleStarred :
+        SwipeStartActionPreference(SwipeGestureActions.ToggleStarred)
+
+    val desc: String
+        @Composable get() = when (this) {
+            None -> stringResource(id = R.string.none)
+            ToggleRead -> stringResource(id = R.string.toggle_read)
+            ToggleStarred -> stringResource(id = R.string.toggle_starred)
+        }
+
+    companion object {
+        val default: SwipeStartActionPreference = ToggleStarred
+        val values = listOf(
+            None,
+            ToggleRead,
+            ToggleStarred
+        )
+
+        fun fromPreferences(preferences: Preferences): SwipeStartActionPreference {
+            return when (preferences[DataStoreKeys.SwipeStartAction.key]) {
+                SwipeGestureActions.None -> None
+                SwipeGestureActions.ToggleRead -> ToggleRead
+                SwipeGestureActions.ToggleStarred -> ToggleStarred
+                else -> default
+            }
+        }
+    }
+}

app/src/main/java/me/ash/reader/ui/ext/DataStoreExt.kt

@@ -404,6 +404,18 @@ sealed class DataStoreKeys<T> {
             get() = intPreferencesKey("initialFilter")
     }
 
+    data object SwipeStartAction : DataStoreKeys<Int>() {
+
+        override val key: Preferences.Key<Int>
+            get() = intPreferencesKey("swipeStartAction")
+    }
+
+    data object SwipeEndAction : DataStoreKeys<Int>() {
+
+        override val key: Preferences.Key<Int>
+            get() = intPreferencesKey("swipeEndAction")
+    }
+
     object OpenLink : DataStoreKeys<Int>() {
 
         override val key: Preferences.Key<Int>