Use wsrv.nl service (#778)

* Add wsrv.nl datasaver service

* Add code comments

(cherry picked from commit ae712527f333577fb2bbc178c5d915e6e6ae3916)

app/src/main/java/eu/kanade/domain/source/service/SourcePreferences.kt

@@ -41,7 +41,7 @@ class SourcePreferences(
 
     fun sourcesTabSourcesInCategories() = preferenceStore.getStringSet("sources_tab_source_categories", mutableSetOf())
 
-    fun dataSaver() = preferenceStore.getBoolean("data_saver", false)
+    fun dataSaver() = preferenceStore.getInt("data_saver", 0)
 
     fun dataSaverIgnoreJpeg() = preferenceStore.getBoolean("ignore_jpeg", false)
 

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsAdvancedScreen.kt

@@ -599,31 +599,36 @@ object SettingsAdvancedScreen : SearchableSettings {
         return Preference.PreferenceGroup(
             title = stringResource(R.string.data_saver),
             preferenceItems = listOf(
-                Preference.PreferenceItem.SwitchPreference(
+                Preference.PreferenceItem.ListPreference(
                     pref = sourcePreferences.dataSaver(),
                     title = stringResource(R.string.data_saver),
                     subtitle = stringResource(R.string.data_saver_summary),
+                    entries = mapOf(
+                        0 to stringResource(R.string.disabled),
+                        1 to stringResource(R.string.bandwidth_hero),
+                        2 to stringResource(R.string.wsrv),
+                    ),
                 ),
                 Preference.PreferenceItem.EditTextPreference(
                     pref = sourcePreferences.dataSaverServer(),
-                    title = stringResource(R.string.data_saver_server),
+                    title = stringResource(R.string.bandwidth_data_saver_server),
                     subtitle = stringResource(R.string.data_saver_server_summary),
-                    enabled = dataSaver,
+                    enabled = (dataSaver == 1),
                 ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = sourcePreferences.dataSaverDownloader(),
                     title = stringResource(R.string.data_saver_downloader),
-                    enabled = dataSaver,
+                    enabled = (dataSaver != 0),
                 ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = sourcePreferences.dataSaverIgnoreJpeg(),
                     title = stringResource(R.string.data_saver_ignore_jpeg),
-                    enabled = dataSaver,
+                    enabled = (dataSaver != 0),
                 ),
                 Preference.PreferenceItem.SwitchPreference(
                     pref = sourcePreferences.dataSaverIgnoreGif(),
                     title = stringResource(R.string.data_saver_ignore_gif),
-                    enabled = dataSaver,
+                    enabled = (dataSaver != 0),
                 ),
                 Preference.PreferenceItem.ListPreference(
                     pref = sourcePreferences.dataSaverImageQuality(),
@@ -639,7 +644,7 @@ object SettingsAdvancedScreen : SearchableSettings {
                         "90%",
                         "95%",
                     ).associateBy { it.trimEnd('%').toInt() },
-                    enabled = dataSaver,
+                    enabled = (dataSaver != 0),
                 ),
                 kotlin.run {
                     val dataSaverImageFormatJpeg by sourcePreferences.dataSaverImageFormatJpeg().collectAsState()
@@ -651,13 +656,13 @@ object SettingsAdvancedScreen : SearchableSettings {
                         } else {
                             stringResource(R.string.data_saver_image_format_summary_off)
                         },
-                        enabled = dataSaver,
+                        enabled = (dataSaver != 0),
                     )
                 },
                 Preference.PreferenceItem.SwitchPreference(
                     pref = sourcePreferences.dataSaverColorBW(),
                     title = stringResource(R.string.data_saver_color_bw),
-                    enabled = dataSaver,
+                    enabled = (dataSaver == 1),
                 ),
             ),
         )

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourcesScreenModel.kt

@@ -72,8 +72,12 @@ class SourcesScreenModel(
             .launchIn(coroutineScope)
 
         sourcePreferences.dataSaver().changes()
-            .onEach { enabled ->
+            .onEach {
-                mutableState.update { it.copy(dataSaverEnabled = enabled) }
+                mutableState.update {
+                    it.copy(
+                        dataSaverEnabled = (sourcePreferences.dataSaver().get()),
+                    )
+                }
             }
             .launchIn(coroutineScope)
         // SY <--
@@ -191,7 +195,7 @@ data class SourcesState(
     val categories: List<String> = emptyList(),
     val showPin: Boolean = true,
     val showLatest: Boolean = false,
-    val dataSaverEnabled: Boolean = false,
+    val dataSaverEnabled: Int = 0,
     // SY <--
 ) {
     val isEmpty = items.isEmpty()

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourcesTab.kt

@@ -97,7 +97,7 @@ fun Screen.sourcesTab(
                         onClickToggleDataSaver = {
                             screenModel.toggleExcludeFromDataSaver(source)
                             screenModel.closeDialog()
-                        }.takeIf { state.dataSaverEnabled },
+                        }.takeIf { state.dataSaverEnabled != 0 },
                         onDismiss = screenModel::closeDialog,
                     )
                 }

app/src/main/java/exh/util/DataSaver.kt

@@ -41,7 +41,7 @@ interface DataSaver {
 }
 
 fun DataSaver(source: Source, preferences: SourcePreferences): DataSaver {
-    return if (preferences.dataSaver().get() && source.id.toString() !in preferences.dataSaverExcludedSources().get()) {
+    return if (preferences.dataSaver().get() != 0 && source.id.toString() !in preferences.dataSaverExcludedSources().get()) {
         return DataSaverImpl(preferences)
     } else {
         DataSaver.NoOp
@@ -49,6 +49,7 @@ fun DataSaver(source: Source, preferences: SourcePreferences): DataSaver {
 }
 
 private class DataSaverImpl(preferences: SourcePreferences) : DataSaver {
+    private val dataSaver = preferences.dataSaver().get()
     private val dataSavedServer = preferences.dataSaverServer().get().trimEnd('/')
 
     private val ignoreJpg = preferences.dataSaverIgnoreJpeg().get()
@@ -59,7 +60,7 @@ private class DataSaverImpl(preferences: SourcePreferences) : DataSaver {
     private val colorBW = preferences.dataSaverColorBW().toIntRepresentation()
 
     override fun compress(imageUrl: String): String {
-        return if (dataSavedServer.isNotBlank() && !imageUrl.contains(dataSavedServer)) {
+        return if (dataSaver == 2 || (dataSaver == 1 && dataSavedServer.isNotBlank() && !imageUrl.contains(dataSavedServer))) {
             when {
                 imageUrl.contains(".jpeg", true) || imageUrl.contains(".jpg", true) -> if (ignoreJpg) imageUrl else getUrl(imageUrl)
                 imageUrl.contains(".gif", true) -> if (ignoreGif) imageUrl else getUrl(imageUrl)
@@ -71,7 +72,27 @@ private class DataSaverImpl(preferences: SourcePreferences) : DataSaver {
     }
 
     private fun getUrl(imageUrl: String): String {
-        return "$dataSavedServer/?jpg=$format&l=$quality&bw=$colorBW&url=$imageUrl"
+        if (dataSaver == 1) {
+            // Network Request sent for the Bandwidth Hero Proxy server
+            return "$dataSavedServer/?jpg=$format&l=$quality&bw=$colorBW&url=$imageUrl"
+        } else {
+            // Network Request sent to wsrv
+            if (imageUrl.contains(".webp", true) || imageUrl.contains(".gif", true)) {
+                if (format.toInt() == 0) {
+                    // Preserve output image extension for animated images(.webp and .gif)
+                    return "https://wsrv.nl/?url=$imageUrl&q=$quality&n=-1"
+                } else {
+                    // Do not preserve output Extension if User asked to convert into Jpeg
+                    return "https://wsrv.nl/?url=$imageUrl&output=jpg&q=$quality&n=-1"
+                }
+            } else {
+                if (format.toInt() == 1) {
+                    return "https://wsrv.nl/?url=$imageUrl&output=jpg&q=$quality"
+                } else {
+                    return "https://wsrv.nl/?url=$imageUrl&output=webp&q=$quality"
+                }
+            }
+        }
     }
 
     private fun Preference<Boolean>.toIntRepresentation() = if (get()) "1" else "0"

i18n/src/main/res/values/strings_sy.xml

@@ -141,7 +141,7 @@
         <item quantity="other">Cleanup done. Removed %d folders</item>
     </plurals>
     <string name="data_saver">Data Saver</string>
-    <string name="data_saver_summary">Compress images before downloading or loading in reader, requires a Bandwidth Hero Proxy server</string>
+    <string name="data_saver_summary">Compress images before downloading or loading in reader</string>
     <string name="data_saver_downloader">Use data saver in the downloader</string>
     <string name="data_saver_ignore_jpeg">Ignore Jpeg Images</string>
     <string name="data_saver_ignore_gif">Ignore Gif Animations</string>
@@ -151,7 +151,9 @@
     <string name="data_saver_image_format_summary_on">The Jpeg file size is considerably smaller then Webp is(meaning more data is saved), but it makes the images lose more quality as well.\nCurrently compresses to Jpeg</string>
     <string name="data_saver_image_format_summary_off">The Jpeg file size is considerably smaller then Webp is(meaning more data is saved), but it makes the images lose more quality as well.\nCurrently compresses to Webp</string>
     <string name="data_saver_color_bw">Convert to Black And White</string>
-    <string name="data_saver_server">Bandwidth Hero Proxy Server</string>
+    <string name="bandwidth_hero">Bandwidth Hero (requires a Bandwidth Hero Proxy server)</string>
+    <string name="wsrv">wsrv.nl</string>
+    <string name="bandwidth_data_saver_server">Bandwidth Hero Proxy Server</string>
     <string name="data_saver_server_summary">Put Bandwidth Hero Proxy server url here</string>
     <string name="clear_db_exclude_read">Keep entries with read chapters</string>