Move hidden files pref to AppPreferences

Signed-off-by: Chris Narkiewicz <hello@ezaquarii.com>

src/main/java/com/nextcloud/client/preferences/AppPreferences.java

@@ -27,6 +27,9 @@ public interface AppPreferences {
     boolean instantPictureUploadEnabled();
     boolean instantVideoUploadEnabled();
 
+    boolean isShowHiddenFilesEnabled();
+    void setShowHiddenFilesEnabled(boolean enabled);
+
     /**
      * Gets the selected file extension position the user selected to do the
      * last upload of a url file shared from other app.

src/main/java/com/nextcloud/client/preferences/PreferenceManager.java

@@ -50,6 +50,7 @@ public final class PreferenceManager implements AppPreferences {
     public static final String AUTO_PREF__LAST_SEEN_VERSION_CODE = "lastSeenVersionCode";
     private static final String PREF__INSTANT_UPLOADING = "instant_uploading";
     private static final String PREF__INSTANT_VIDEO_UPLOADING = "instant_video_uploading";
+    private static final String PREF__SHOW_HIDDEN_FILES = "show_hidden_files_pref";
     private static final String PREF__LEGACY_CLEAN = "legacyClean";
     public static final String PREF__KEYS_MIGRATION = "keysMigration";
     private static final String PREF__FIX_STORAGE_PATH = "storagePathFix";
@@ -103,8 +104,14 @@ public final class PreferenceManager implements AppPreferences {
         return preferences.getBoolean(PREF__INSTANT_VIDEO_UPLOADING, false);
     }
 
-    public static boolean showHiddenFilesEnabled(Context context) {
-        return PreferenceManager.getDefaultSharedPreferences(context).getBoolean("show_hidden_files_pref", false);
+    @Override
+    public boolean isShowHiddenFilesEnabled() {
+        return preferences.getBoolean(PREF__SHOW_HIDDEN_FILES, false);
+    }
+
+    @Override
+    public void setShowHiddenFilesEnabled(boolean enabled) {
+        preferences.edit().putBoolean(PREF__SHOW_HIDDEN_FILES, enabled).apply();
     }
 
     @Override

src/main/java/com/owncloud/android/ui/activity/SettingsActivity.java

@@ -534,11 +534,7 @@ public class SettingsActivity extends PreferenceActivity
         showHiddenFiles = (SwitchPreference) findPreference("show_hidden_files");
         if (fShowHiddenFilesEnabled) {
             showHiddenFiles.setOnPreferenceClickListener(preference -> {
-                SharedPreferences appPrefs =
-                        PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-                SharedPreferences.Editor editor = appPrefs.edit();
-                editor.putBoolean("show_hidden_files_pref", showHiddenFiles.isChecked());
-                editor.apply();
+                preferences.setShowHiddenFilesEnabled(showHiddenFiles.isChecked());
                 return true;
             });
         } else {

src/main/java/com/owncloud/android/ui/adapter/LocalFileListAdapter.java

@@ -324,7 +324,7 @@ public class LocalFileListAdapter extends RecyclerView.Adapter<RecyclerView.View
         mFiles = sortOrder.sortLocalFiles(mFiles);
 
         // Fetch preferences for showing hidden files
-        boolean showHiddenFiles = PreferenceManager.showHiddenFilesEnabled(mContext);
+        boolean showHiddenFiles = preferences.isShowHiddenFilesEnabled();
         if (!showHiddenFiles) {
             mFiles = filterHiddenFiles(mFiles);
         }

src/main/java/com/owncloud/android/ui/adapter/OCFileListAdapter.java

@@ -522,7 +522,7 @@ public class OCFileListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
         int foldersCount = 0;
         int count = mFiles.size();
         OCFile file;
-        final boolean showHiddenFiles = PreferenceManager.showHiddenFilesEnabled(mContext);
+        final boolean showHiddenFiles = preferences.isShowHiddenFilesEnabled();
         for (int i = 0; i < count; i++) {
             file = getItem(i);
             if (file.isFolder()) {
@@ -619,7 +619,7 @@ public class OCFileListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
         if (mStorageManager != null) {
             mFiles = mStorageManager.getFolderContent(directory, onlyOnDevice);
 
-            if (!PreferenceManager.showHiddenFilesEnabled(mContext)) {
+            if (!preferences.isShowHiddenFilesEnabled()) {
                 mFiles = filterHiddenFiles(mFiles);
             }
             if (!limitToMimeType.isEmpty()) {
@@ -846,7 +846,7 @@ public class OCFileListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
             mFiles.clear();
             if (ocFiles != null && ocFiles.size() > 0) {
                 mFiles.addAll(ocFiles);
-                if (!PreferenceManager.showHiddenFilesEnabled(mContext)) {
+                if (!preferences.isShowHiddenFilesEnabled()) {
                     mFiles = filterHiddenFiles(mFiles);
                 }
                 FileSortOrder sortOrder = preferences.getSortOrderByFolder(currentDirectory);