Global screenshot policy #920 #138

app/src/main/kotlin/org/koitharu/kotatsu/core/AppModule.kt

@@ -48,6 +48,7 @@ import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.main.domain.CoverRestoreInterceptor
 import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
+import org.koitharu.kotatsu.main.ui.protect.ScreenshotPolicyHelper
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.search.ui.MangaSuggestionsProvider
 import org.koitharu.kotatsu.settings.backup.BackupObserver
@@ -152,10 +153,12 @@ interface AppModule {
 			appProtectHelper: AppProtectHelper,
 			activityRecreationHandle: ActivityRecreationHandle,
 			acraScreenLogger: AcraScreenLogger,
+			screenshotPolicyHelper: ScreenshotPolicyHelper,
 		): Set<@JvmSuppressWildcards Application.ActivityLifecycleCallbacks> = arraySetOf(
 			appProtectHelper,
 			activityRecreationHandle,
 			acraScreenLogger,
+			screenshotPolicyHelper,
 		)
 
 		@Provides

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

@@ -298,10 +298,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
 	val screenshotsPolicy: ScreenshotsPolicy
-		get() = runCatching {
-			val key = prefs.getString(KEY_SCREENSHOTS_POLICY, null)?.uppercase(Locale.ROOT)
-			if (key == null) ScreenshotsPolicy.ALLOW else ScreenshotsPolicy.valueOf(key)
-		}.getOrDefault(ScreenshotsPolicy.ALLOW)
+		get() = prefs.getEnumValue(KEY_SCREENSHOTS_POLICY, ScreenshotsPolicy.ALLOW)
 
 	var userSpecifiedMangaDirectories: Set<File>
 		get() {

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

@@ -3,5 +3,5 @@ package org.koitharu.kotatsu.core.prefs
 enum class ScreenshotsPolicy {
 
 	// Do not rename this
-	ALLOW, BLOCK_NSFW, BLOCK_ALL;
-}
+	ALLOW, BLOCK_NSFW, BLOCK_INCOGNITO, BLOCK_ALL;
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseActivity.kt

@@ -19,6 +19,8 @@ import dagger.hilt.EntryPoint
 import dagger.hilt.InstallIn
 import dagger.hilt.android.EntryPointAccessors
 import dagger.hilt.components.SingletonComponent
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
@@ -26,10 +28,12 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.ActionModeDelegate
 import org.koitharu.kotatsu.core.ui.util.WindowInsetsDelegate
 import org.koitharu.kotatsu.core.util.ext.isWebViewUnavailable
+import org.koitharu.kotatsu.main.ui.protect.ScreenshotPolicyHelper
 
 @Suppress("LeakingThis")
 abstract class BaseActivity<B : ViewBinding> :
 	AppCompatActivity(),
+	ScreenshotPolicyHelper.ContentContainer,
 	WindowInsetsDelegate.WindowInsetsListener {
 
 	private var isAmoledTheme = false
@@ -151,6 +155,8 @@ abstract class BaseActivity<B : ViewBinding> :
 		}
 	}
 
+	override fun isNsfwContent(): Flow<Boolean> = flowOf(false)
+
 	private fun putDataToExtras(intent: Intent?) {
 		intent?.putExtra(EXTRA_DATA, intent.data)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -34,10 +34,12 @@ import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.FlowCollector
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.core.model.FavouriteCategory
@@ -197,6 +199,8 @@ class DetailsActivity :
 		addMenuProvider(menuProvider)
 	}
 
+	override fun isNsfwContent(): Flow<Boolean> = viewModel.manga.map { it?.isNsfw == true }
+
 	override fun onClick(v: View) {
 		when (v.id) {
 			R.id.button_read -> openReader(isIncognitoMode = false)

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/protect/ScreenshotPolicyHelper.kt

@@ -0,0 +1,61 @@
+package org.koitharu.kotatsu.main.ui.protect
+
+import android.app.Activity
+import android.os.Bundle
+import android.view.WindowManager
+import androidx.annotation.MainThread
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
+import org.koitharu.kotatsu.core.ui.DefaultActivityLifecycleCallbacks
+import javax.inject.Inject
+
+class ScreenshotPolicyHelper @Inject constructor(
+	private val settings: AppSettings,
+) : DefaultActivityLifecycleCallbacks {
+
+	override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+		(activity as? ContentContainer)?.setupScreenshotPolicy(activity)
+	}
+
+	private fun ContentContainer.setupScreenshotPolicy(activity: Activity) =
+		lifecycleScope.launch(Dispatchers.Default) {
+			settings.observeAsFlow(AppSettings.KEY_SCREENSHOTS_POLICY) { screenshotsPolicy }
+				.flatMapLatest { policy ->
+					when (policy) {
+						ScreenshotsPolicy.ALLOW -> flowOf(false)
+						ScreenshotsPolicy.BLOCK_NSFW -> withContext(Dispatchers.Main) {
+							isNsfwContent()
+						}.distinctUntilChanged()
+
+						ScreenshotsPolicy.BLOCK_ALL -> flowOf(true)
+						ScreenshotsPolicy.BLOCK_INCOGNITO -> settings.observeAsFlow(AppSettings.KEY_INCOGNITO_MODE) {
+							isIncognitoModeEnabled
+						}
+					}
+				}.collect { isSecure ->
+					withContext(Dispatchers.Main) {
+						if (isSecure) {
+							activity.window.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+						} else {
+							activity.window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
+						}
+					}
+				}
+		}
+
+	interface ContentContainer : LifecycleOwner {
+
+		@MainThread
+		fun isNsfwContent(): Flow<Boolean>
+	}
+}

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

@@ -28,6 +28,7 @@ import androidx.lifecycle.lifecycleScope
 import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.BuildConfig
@@ -142,7 +143,6 @@ class ReaderActivity :
 		viewModel.content.observe(this) {
 			onLoadingStateChanged(viewModel.isLoading.value)
 		}
-		viewModel.isScreenshotsBlockEnabled.observe(this, this::setWindowSecure)
 		viewModel.isKeepScreenOnEnabled.observe(this, this::setKeepScreenOn)
 		viewModel.isInfoBarEnabled.observe(this, ::onReaderBarChanged)
 		viewModel.isBookmarkAdded.observe(this, MenuInvalidator(this))
@@ -179,6 +179,8 @@ class ReaderActivity :
 		viewModel.onPause()
 	}
 
+	override fun isNsfwContent(): Flow<Boolean> = viewModel.isMangaNsfw
+
 	override fun onIdle() {
 		viewModel.saveCurrentState(readerManager.currentReader?.getCurrentState())
 	}
@@ -297,14 +299,6 @@ class ReaderActivity :
 			.show()
 	}
 
-	private fun setWindowSecure(isSecure: Boolean) {
-		if (isSecure) {
-			window.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
-		} else {
-			window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
-		}
-	}
-
 	private fun setKeepScreenOn(isKeep: Boolean) {
 		if (isKeep) {
 			window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)

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

@@ -17,6 +17,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.first
@@ -38,7 +39,6 @@ import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ReaderMode
-import org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
@@ -166,13 +166,9 @@ class ReaderViewModel @Inject constructor(
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null),
 	)
 
-	val isScreenshotsBlockEnabled = combine(
-		mangaFlow,
-		settings.observeAsFlow(AppSettings.KEY_SCREENSHOTS_POLICY) { screenshotsPolicy },
-	) { manga, policy ->
-		policy == ScreenshotsPolicy.BLOCK_ALL ||
-			(policy == ScreenshotsPolicy.BLOCK_NSFW && manga != null && manga.isNsfw)
-	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, false)
+	val isMangaNsfw = mangaFlow.map {
+		it?.isNsfw == true
+	}
 
 	val isBookmarkAdded = currentState.flatMapLatest { state ->
 		val manga = mangaData.value?.toManga()

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/MangaListActivity.kt

@@ -15,11 +15,14 @@ import androidx.fragment.app.commit
 import com.google.android.material.appbar.AppBarLayout
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.MangaSource
+import org.koitharu.kotatsu.core.model.isNsfw
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaTags
 import org.koitharu.kotatsu.core.parser.MangaIntent
@@ -58,6 +61,8 @@ class MangaListActivity :
 			"Cannot find FilterOwner fragment in ${supportFragmentManager.fragments}"
 		}.filter
 
+	private var source: MangaSource? = null
+
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		setContentView(ActivityMangaListBinding.inflate(layoutInflater))
@@ -66,16 +71,19 @@ class MangaListActivity :
 		if (viewBinding.containerFilterHeader != null) {
 			viewBinding.appbar.addOnOffsetChangedListener(this)
 		}
-		val source = intent.getStringExtra(EXTRA_SOURCE)?.let(::MangaSource) ?: tags?.firstOrNull()?.source
-		if (source == null) {
+		source = intent.getStringExtra(EXTRA_SOURCE)?.let(::MangaSource) ?: tags?.firstOrNull()?.source
+		val src = source
+		if (src == null) {
 			finishAfterTransition()
-			return
+		} else {
+			viewBinding.buttonOrder?.setOnClickListener(this)
+			title = if (src == MangaSource.LOCAL) getString(R.string.local_storage) else src.title
+			initList(src, tags)
 		}
-		viewBinding.buttonOrder?.setOnClickListener(this)
-		title = if (source == MangaSource.LOCAL) getString(R.string.local_storage) else source.title
-		initList(source, tags)
 	}
 
+	override fun isNsfwContent(): Flow<Boolean> = flowOf(source?.isNsfw() == true)
+
 	override fun onWindowInsetsChanged(insets: Insets) {
 		viewBinding.root.updatePadding(
 			left = insets.left,

app/src/main/kotlin/org/koitharu/kotatsu/settings/userdata/UserDataSettingsFragment.kt

@@ -10,6 +10,7 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.view.postDelayed
 import androidx.fragment.app.viewModels
+import androidx.preference.ListPreference
 import androidx.preference.MultiSelectListPreference
 import androidx.preference.Preference
 import androidx.preference.TwoStatePreference
@@ -22,6 +23,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
 import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy
 import org.koitharu.kotatsu.core.prefs.SearchSuggestionType
 import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
 import org.koitharu.kotatsu.core.ui.util.ActivityRecreationHandle
@@ -29,6 +31,7 @@ import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.FileSize
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.core.util.ext.setDefaultValueCompat
 import org.koitharu.kotatsu.core.util.ext.tryLaunch
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.parsers.util.mapToSet
@@ -63,6 +66,10 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 			appShortcutManager.isDynamicShortcutsAvailable()
 		findPreference<TwoStatePreference>(AppSettings.KEY_PROTECT_APP)
 			?.isChecked = !settings.appPassword.isNullOrEmpty()
+		findPreference<ListPreference>(AppSettings.KEY_SCREENSHOTS_POLICY)?.run {
+			entryValues = ScreenshotsPolicy.entries.names()
+			setDefaultValueCompat(ScreenshotsPolicy.ALLOW.name)
+		}
 	}
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {

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

@@ -23,6 +23,7 @@
 	<string-array name="screenshots_policy" translatable="false">
 		<item>@string/screenshots_allow</item>
 		<item>@string/screenshots_block_nsfw</item>
+		<item>@string/screenshots_block_incognito</item>
 		<item>@string/screenshots_block_all</item>
 	</string-array>
 	<string-array name="network_policy" translatable="false">

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

@@ -30,11 +30,6 @@
 	<string-array name="values_track_sources_default" translatable="false">
 		<item>favourites</item>
 	</string-array>
-	<string-array name="values_screenshots_policy" translatable="false">
-		<item>allow</item>
-		<item>block_nsfw</item>
-		<item>block_all</item>
-	</string-array>
 	<string-array name="values_network_policy" translatable="false">
 		<item>1</item>
 		<item>2</item>

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

@@ -653,4 +653,5 @@
 	<!-- In plural, used for filter -->
 	<string name="_new">New</string>
 	<string name="all_languages">All languages</string>
+	<string name="screenshots_block_incognito">Block when incognito mode</string>
 </resources>

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

@@ -125,14 +125,6 @@
 		android:title="@string/keep_screen_on"
 		app:allowDividerAbove="true" />
 
-	<ListPreference
-		android:defaultValue="allow"
-		android:entries="@array/screenshots_policy"
-		android:entryValues="@array/values_screenshots_policy"
-		android:key="screenshots_policy"
-		android:title="@string/screenshots_policy"
-		app:useSimpleSummaryProvider="true" />
-
 	<ListPreference
 		android:defaultValue="2"
 		android:entries="@array/network_policy"

app/src/main/res/xml/pref_user_data.xml

@@ -9,6 +9,13 @@
 		android:summary="@string/protect_application_summary"
 		android:title="@string/protect_application" />
 
+	<ListPreference
+		android:defaultValue="allow"
+		android:entries="@array/screenshots_policy"
+		android:key="screenshots_policy"
+		android:title="@string/screenshots_policy"
+		app:useSimpleSummaryProvider="true" />
+
 	<SwitchPreferenceCompat
 		android:key="history_exclude_nsfw"
 		android:summary="@string/exclude_nsfw_from_history_summary"