downloads - show message if file doesn't exist

app/src/main/java/acr/browser/lightning/view/LightningWebClient.java

@@ -366,8 +366,7 @@ public class LightningWebClient extends WebViewClient {
                 String newMimeType = MimeTypeMap.getSingleton()
                         .getMimeTypeFromExtension(Utils.guessFileExtension(file.toString()));
 
-                Intent intent = new Intent();
-                intent.setAction(Intent.ACTION_VIEW);
+                Intent intent = new Intent(Intent.ACTION_VIEW);
                 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                 Uri contentUri = FileProvider.getUriForFile(mActivity, BuildConfig.APPLICATION_ID + ".fileprovider", file);
                 intent.setDataAndType(contentUri, newMimeType);
@@ -377,8 +376,10 @@ public class LightningWebClient extends WebViewClient {
                 } catch (Exception e) {
                     System.out.println("LightningWebClient: cannot open downloaded file");
                 }
-                return true;
+            } else {
+                Utils.showSnackbar(mActivity, R.string.message_open_download_fail);
             }
+            return true;
         }
         return false;
     }

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

@@ -160,7 +160,7 @@
     <string name="export_bookmarks">Exportiere Datensicherung</string>
     <string name="import_backup">Importiere Lesezeichen aus Datensicherung</string>
     <string name="bookmark_export_path">Lesezeichen exportiert nach</string>
-    <string name="bookmark_settings">Lesezeichen Einstellungen</string>
+    <string name="bookmark_settings">Lesezeichen</string>
     <string name="import_bookmark_error">Lesezeichen konnten nicht importiert werden</string>
     <string name="title_chooser">Wähle Datei aus</string>
     <string name="settings_general">Allgemein</string>
@@ -246,4 +246,5 @@
     <string name="host">Host:</string>
     <string name="hosts_source">Quelle für Werbeblocker</string>
     <string name="settings_display">Anzeige</string>
+    <string name="message_open_download_fail">Diese Datei existiert nicht mehr</string>
 </resources>

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

@@ -229,6 +229,7 @@
     <string name="action_delete_all_bookmarks">Delete all bookmarks</string>
     <string name="flash_not_supported">Flash Player is not supported by your system</string>
     <string name="upsell_plus_version">Upgrade to Lightning Plus to block ads</string>
+    <string name="message_open_download_fail">This file doesn\'t exist anymore</string>
 
     <string name="faq">FAQ</string>
     <string name="faq_description">Frequently asked questions</string>