Rework clear clipboard feature (#1295)

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

CHANGELOG.md

@@ -23,6 +23,7 @@ All notable changes to this project will be documented in this file.
 -   Pressing the back button in the navigation bar and the one in the toolbar behaved differently
 -   Editing a password allowed accidentally overwriting an existing one
 -   App shortcuts would never update once the first 4 were set
+-   Clipboard history now attempts to flush through 35 times rather than 20 to combat increased clipboard history item count in Samsung devices
 
 ### Changed
 

app/src/androidTest/java/dev/msfjarvis/aps/util/settings/MigrationsTest.kt

@@ -13,6 +13,7 @@ import dev.msfjarvis.aps.Application
 import dev.msfjarvis.aps.util.extensions.getString
 import dev.msfjarvis.aps.util.extensions.sharedPrefs
 import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
 import org.junit.Assert.assertNull
 import org.junit.Test
 
@@ -104,4 +105,16 @@ class MigrationsTest {
         assertEquals(false, context.sharedPrefs.getBoolean(PreferenceKeys.SHOW_HIDDEN_FOLDERS, false))
         assertEquals(true, context.sharedPrefs.getBoolean(PreferenceKeys.SHOW_HIDDEN_CONTENTS, false))
     }
+
+    @Test
+    fun verifyClearClipboardHistoryMigration() {
+        val context = Application.instance.applicationContext
+        context.sharedPrefs.edit {
+            clear()
+            putBoolean(PreferenceKeys.CLEAR_CLIPBOARD_20X, true)
+        }
+        runMigrations(context)
+        assertEquals(true, context.sharedPrefs.getBoolean(PreferenceKeys.CLEAR_CLIPBOARD_HISTORY, false))
+        assertFalse(context.sharedPrefs.contains(PreferenceKeys.CLEAR_CLIPBOARD_20X))
+    }
 }

app/src/main/java/dev/msfjarvis/aps/ui/settings/MiscSettings.kt

@@ -60,7 +60,7 @@ class MiscSettings(activity: FragmentActivity) : SettingsProvider {
                     true
                 }
             }
-            checkBox(PreferenceKeys.CLEAR_CLIPBOARD_20X) {
+            checkBox(PreferenceKeys.CLEAR_CLIPBOARD_HISTORY) {
                 defaultValue = false
                 titleRes = R.string.pref_clear_clipboard_title
                 summaryRes = R.string.pref_clear_clipboard_summary

app/src/main/java/dev/msfjarvis/aps/util/services/ClipboardService.kt

@@ -80,7 +80,7 @@ class ClipboardService : Service() {
     }
 
     private fun clearClipboard() {
-        val deepClear = sharedPrefs.getBoolean(PreferenceKeys.CLEAR_CLIPBOARD_20X, false)
+        val deepClear = sharedPrefs.getBoolean(PreferenceKeys.CLEAR_CLIPBOARD_HISTORY, false)
         val clipboard = clipboard
 
         if (clipboard != null) {
@@ -90,7 +90,7 @@ class ClipboardService : Service() {
                 clipboard.setPrimaryClip(clip)
                 if (deepClear) {
                     withContext(Dispatchers.IO) {
-                        repeat(20) {
+                        repeat(CLIPBOARD_CLEAR_COUNT) {
                             val count = (it * 500).toString()
                             clipboard.setPrimaryClip(ClipData.newPlainText(count, count))
                         }
@@ -179,5 +179,8 @@ class ClipboardService : Service() {
         const val EXTRA_NOTIFICATION_TIME = "EXTRA_NOTIFICATION_TIME"
         private const val ACTION_CLEAR = "ACTION_CLEAR_CLIPBOARD"
         private const val CHANNEL_ID = "NotificationService"
+        // Newest Samsung phones now feature a history of up to 30 items. To err on the side of caution,
+        // push 35 fake ones.
+        private const val CLIPBOARD_CLEAR_COUNT = 35
     }
 }

app/src/main/java/dev/msfjarvis/aps/util/settings/Migrations.kt

@@ -24,6 +24,7 @@ fun runMigrations(context: Context) {
     migrateToGitUrlBasedConfig(sharedPrefs)
     migrateToHideAll(sharedPrefs)
     migrateToSshKey(context, sharedPrefs)
+    migrateToClipboardHistory(sharedPrefs)
 }
 
 private fun migrateToGitUrlBasedConfig(sharedPrefs: SharedPreferences) {
@@ -112,3 +113,15 @@ private fun migrateToSshKey(context: Context, sharedPrefs: SharedPreferences) {
         }
     }
 }
+
+private fun migrateToClipboardHistory(sharedPrefs: SharedPreferences) {
+    if (sharedPrefs.contains(PreferenceKeys.CLEAR_CLIPBOARD_20X)) {
+        sharedPrefs.edit {
+            putBoolean(
+                PreferenceKeys.CLEAR_CLIPBOARD_HISTORY,
+                sharedPrefs.getBoolean(PreferenceKeys.CLEAR_CLIPBOARD_20X, false)
+            )
+            remove(PreferenceKeys.CLEAR_CLIPBOARD_20X)
+        }
+    }
+}

app/src/main/java/dev/msfjarvis/aps/util/settings/PreferenceKeys.kt

@@ -11,7 +11,12 @@ object PreferenceKeys {
     const val APP_VERSION = "app_version"
     const val AUTOFILL_ENABLE = "autofill_enable"
     const val BIOMETRIC_AUTH = "biometric_auth"
+    @Deprecated(
+        message = "Use CLEAR_CLIPBOARD_HISTORY instead",
+        replaceWith = ReplaceWith("PreferenceKeys.CLEAR_CLIPBOARD_HISTORY"),
+    )
     const val CLEAR_CLIPBOARD_20X = "clear_clipboard_20x"
+    const val CLEAR_CLIPBOARD_HISTORY = "clear_clipboard_history"
     const val CLEAR_SAVED_PASS = "clear_saved_pass"
     const val COPY_ON_DECRYPT = "copy_on_decrypt"
     const val ENABLE_DEBUG_LOGGING = "enable_debug_logging"

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

@@ -117,8 +117,6 @@
     <string name="pref_category_autofill_title">Automatisch ausfüllen</string>
     <string name="pref_autofill_enable_title">Autofill aktivieren</string>
     <string name="pref_category_misc_title">Verschiedenes</string>
-    <string name="pref_clear_clipboard_title">Lösche die Zwischenablage 20-mal</string>
-    <string name="pref_clear_clipboard_summary">Speichert Nonsense 20-mal anstatt 1-mal in der Zwischenablage. Nützlich bspw. auf Samsung-Geräten, die den Verlauf der Zwischenablage speichern.</string>
     <string name="pref_git_delete_repo_summary">Lösche das lokale (versteckte) Repository</string>
     <string name="pref_external_repository_title">Externes Repository</string>
     <string name="pref_external_repository_summary">Nutze ein externes Repository</string>

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

@@ -119,8 +119,6 @@
     <string name="pref_category_autofill_title">Saisie automatique</string>
     <string name="pref_autofill_enable_title">Saisie automatique</string>
     <string name="pref_category_misc_title">Divers</string>
-    <string name="pref_clear_clipboard_title">Effacer le presse-papier 20 fois</string>
-    <string name="pref_clear_clipboard_summary">Enregistre des informations absurdes dans le presse-papier 20 fois à la place d\'une seule. Utile sur les téléphones Samsung qui disposent d\'un historique du presse-papier.</string>
     <string name="pref_git_delete_repo_summary">Supprime le dépot local (caché)</string>
     <string name="pref_external_repository_title">Dépôt externe</string>
     <string name="pref_external_repository_summary">Utilise un dépôt externe pour les mots de passe</string>

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

@@ -121,8 +121,6 @@
     <string name="pref_category_autofill_title">Completado automático</string>
     <string name="pref_autofill_enable_title">Activar completado automático</string>
     <string name="pref_category_misc_title">Varios</string>
-    <string name="pref_clear_clipboard_title">Baleirar portapapeis 20 veces</string>
-    <string name="pref_clear_clipboard_summary">Gardar números consecutivos no portapapeis 20 veces. Resulta útil nos móbiles Samsung que gardan historial no portapapeis.</string>
     <string name="pref_git_delete_repo_summary">Elimina repositorio local (oculto).</string>
     <string name="pref_external_repository_title">Repositorio externo</string>
     <string name="pref_external_repository_summary">Usar un repositorio externo de contrasinais</string>

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

@@ -121,8 +121,6 @@
     <string name="pref_category_autofill_title">Auto-compilazione</string>
     <string name="pref_autofill_enable_title">Abilita Auto-Compilazione</string>
     <string name="pref_category_misc_title">Varie</string>
-    <string name="pref_clear_clipboard_title">Cancella 20 volte gli appunti</string>
-    <string name="pref_clear_clipboard_summary">Archivia i numeri consecutivi negli appunti per 20 volte. Utile sui telefoni Samsung che presentano la cronologia degli appunti.</string>
     <string name="pref_git_delete_repo_summary">Elimina repository locale (nascosta)</string>
     <string name="pref_external_repository_title">Repository Esterna</string>
     <string name="pref_external_repository_summary">Usa una repository di password esterna</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -121,8 +121,6 @@
     <string name="pref_category_autofill_title">Preenchimento Automático</string>
     <string name="pref_autofill_enable_title">Ativar preenchimento automático</string>
     <string name="pref_category_misc_title">Outros</string>
-    <string name="pref_clear_clipboard_title">Limpar área de transferência 20 vezes</string>
-    <string name="pref_clear_clipboard_summary">Armazene números consecutivos na área de transferência 20 vezes. Útil em telefones Samsung que apresentam o histórico da área de transferência.</string>
     <string name="pref_git_delete_repo_summary">Exclui o repositório local (oculto)</string>
     <string name="pref_external_repository_title">Repositório externo</string>
     <string name="pref_external_repository_summary">Use um repositório de senha externo</string>

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

@@ -125,8 +125,6 @@
     <string name="pref_category_autofill_title">Автозаполнение</string>
     <string name="pref_autofill_enable_title">Включить автозаполнение</string>
     <string name="pref_category_misc_title">Другое</string>
-    <string name="pref_clear_clipboard_title">Очистить буфер 20 раз</string>
-    <string name="pref_clear_clipboard_summary">Вставлять чепуху в буфер обмена 20 раз вместо одного. Полезно на некоторых моделях телефонов с запоминанием истории буфера обмена</string>
     <string name="pref_git_delete_repo_summary">Удалить локальный (скрытый) репозиторий</string>
     <string name="pref_external_repository_title">Внешний репозиторий</string>
     <string name="pref_external_repository_summary">Использовать внешний репозиторий</string>

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

@@ -138,8 +138,8 @@
     <string name="pref_category_autofill_title">Autofill</string>
     <string name="pref_autofill_enable_title">Enable Autofill</string>
     <string name="pref_category_misc_title">Misc</string>
-    <string name="pref_clear_clipboard_title">Clear clipboard 20 times</string>
+    <string name="pref_clear_clipboard_title">Workaround clipboard history feature</string>
-    <string name="pref_clear_clipboard_summary">Store consecutive numbers in the clipboard 20 times. Useful on Samsung phones that feature clipboard history.</string>
+    <string name="pref_clear_clipboard_summary">Enable to flood clipboard history on devices that include such a feature with consecutive numbers, flushing out any passwords</string>
     <string name="pref_git_delete_repo_summary">Deletes local (hidden) repository</string>
     <string name="pref_external_repository_title">External repository</string>
     <string name="pref_external_repository_summary">Use an external password repository</string>