Save page button in reader

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/ReaderControl.kt

@@ -4,7 +4,7 @@ import java.util.EnumSet
 
 enum class ReaderControl {
 
-	PREV_CHAPTER, NEXT_CHAPTER, SLIDER, PAGES_SHEET, SCREEN_ROTATION;
+	PREV_CHAPTER, NEXT_CHAPTER, SLIDER, PAGES_SHEET, SCREEN_ROTATION, SAVE_PAGE;
 
 	companion object {
 

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderActivity.kt

@@ -166,7 +166,7 @@ class ReaderActivity :
 		}
 		addMenuProvider(ReaderMenuTopProvider(viewModel))
 		viewBinding.toolbarBottom.addMenuProvider(
-			ReaderMenuBottomProvider(this, readerManager, screenOrientationHelper, viewModel),
+			ReaderMenuBottomProvider(this, readerManager, screenOrientationHelper, this, viewModel),
 		)
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderMenuBottomProvider.kt

@@ -9,11 +9,13 @@ import androidx.fragment.app.FragmentActivity
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.nav.router
 import org.koitharu.kotatsu.core.prefs.ReaderControl
+import org.koitharu.kotatsu.reader.ui.config.ReaderConfigSheet
 
 class ReaderMenuBottomProvider(
 	private val activity: FragmentActivity,
 	private val readerManager: ReaderManager,
 	private val screenOrientationHelper: ScreenOrientationHelper,
+	private val configCallback: ReaderConfigSheet.Callback,
 	private val viewModel: ReaderViewModel,
 ) : MenuProvider {
 
@@ -24,8 +26,8 @@ class ReaderMenuBottomProvider(
 
 	override fun onPrepareMenu(menu: Menu) {
 		val readerControls = viewModel.readerControls.value
-		val isPagesSheetEnabled = viewModel.content.value.pages.isNotEmpty() &&
+		val hasPages = viewModel.content.value.pages.isNotEmpty()
-			ReaderControl.PAGES_SHEET in readerControls
+		val isPagesSheetEnabled = hasPages && ReaderControl.PAGES_SHEET in readerControls
 		menu.findItem(R.id.action_pages_thumbs).run {
 			isVisible = isPagesSheetEnabled
 			if (isPagesSheetEnabled) {
@@ -47,6 +49,9 @@ class ReaderMenuBottomProvider(
 				}
 			}
 		}
+		menu.findItem(R.id.action_save_page)?.run {
+			isVisible = hasPages && ReaderControl.SAVE_PAGE in readerControls
+		}
 	}
 
 	override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
@@ -56,6 +61,11 @@ class ReaderMenuBottomProvider(
 				true
 			}
 
+			R.id.action_save_page -> {
+				configCallback.onSavePageClick()
+				true
+			}
+
 			R.id.action_pages_thumbs -> {
 				activity.router.showChapterPagesSheet()
 				true

app/src/main/res/menu/opt_reader_bottom.xml

@@ -5,6 +5,14 @@
 	xmlns:tools="http://schemas.android.com/tools"
 	tools:ignore="AlwaysShowAction">
 
+	<item
+		android:id="@+id/action_save_page"
+		android:icon="@drawable/ic_save"
+		android:title="@string/save_page"
+		android:visible="false"
+		app:showAsAction="always"
+		tools:visible="true" />
+
 	<item
 		android:id="@+id/action_screen_rotation"
 		android:icon="@drawable/ic_screen_rotation"

app/src/main/res/values/arrays.xml

@@ -130,5 +130,6 @@
 		<item>@string/pages_slider</item>
 		<item>@string/chapters_and_pages</item>
 		<item>@string/screen_orientation</item>
+		<item>@string/save_page</item>
 	</string-array>
 </resources>

app/src/main/res/xml/pref_reader.xml

@@ -23,6 +23,12 @@
 		app:allowDividerAbove="true"
 		app:useSimpleSummaryProvider="true" />
 
+	<SwitchPreferenceCompat
+		android:defaultValue="false"
+		android:key="reader_zoom_buttons"
+		android:summary="@string/reader_zoom_buttons_summary"
+		android:title="@string/reader_zoom_buttons" />
+
 	<SwitchPreferenceCompat
 		android:defaultValue="true"
 		android:key="webtoon_zoom"
@@ -39,24 +45,23 @@
 		app:defaultValue="0"
 		app:tickVisible="true" />
 
-	<SwitchPreferenceCompat
-		android:defaultValue="false"
-		android:key="reader_zoom_buttons"
-		android:summary="@string/reader_zoom_buttons_summary"
-		android:title="@string/reader_zoom_buttons" />
-
 	<SwitchPreferenceCompat
 		android:defaultValue="false"
 		android:key="webtoon_gaps"
 		android:summary="@string/webtoon_gaps_summary"
 		android:title="@string/webtoon_gaps" />
 
+	<MultiSelectListPreference
+		android:entries="@array/reader_controls"
+		android:key="reader_controls"
+		android:title="@string/reader_controls_in_bottom_bar"
+		app:allowDividerAbove="true" />
+
 	<Preference
 		android:key="reader_tap_actions"
 		android:persistent="false"
 		android:summary="@string/reader_actions_summary"
-		android:title="@string/reader_actions"
+		android:title="@string/reader_actions" />
-		app:allowDividerAbove="true" />
 
 	<SwitchPreferenceCompat
 		android:defaultValue="false"
@@ -140,11 +145,6 @@
 		android:summary="@string/show_pages_numbers_summary"
 		android:title="@string/show_pages_numbers" />
 
-	<MultiSelectListPreference
-		android:entries="@array/reader_controls"
-		android:key="reader_controls"
-		android:title="@string/reader_controls_in_bottom_bar" />
-
 	<ListPreference
 		android:defaultValue="2"
 		android:entries="@array/network_policy"