add confirmation dialog for sync all

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -2233,14 +2233,44 @@ private boolean isSearchEventSet(SearchEvent event) {
 
     private void syncFolderIncludingAllNestedFiles(OCFile folder) {
         if (FileStorageUtils.checkIfEnoughSpace(folder)) {
-            mContainerActivity.getFileOperationsHelper().syncFolderIncludingNestedFiles(folder);
+            informUserForSyncAllAction(folder);
         } else {
             SyncFileNotEnoughSpaceDialogFragment
                 .newInstance(folder, FileOperationsHelper.getAvailableSpaceOnDevice())
                 .show(getParentFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
         }
     }
 
+    private void informUserForSyncAllAction(OCFile folder) {
+        ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
+            R.string.sync_all_action_dialog_description,
+            null,
+            R.string.sync_all_action_dialog_title,
+            R.drawable.ic_sync_all,
+            R.string.common_ok,
+            R.string.common_cancel,
+            -1);
+
+        dialog.setCancelable(false);
+
+        dialog.setOnConfirmationListener(new ConfirmationDialogFragment.ConfirmationDialogFragmentListener() {
+            @Override
+            public void onConfirmation(String callerTag) {
+                mContainerActivity.getFileOperationsHelper().syncFolderIncludingNestedFiles(folder);
+            }
+
+            @Override
+            public void onNeutral(String callerTag) {
+            }
+
+            @Override
+            public void onCancel(String callerTag) {
+            }
+        });
+
+        dialog.show(getParentFragmentManager(), ConfirmationDialogFragment.FTAG_CONFIRMATION);
+    }
+
     private void syncAndCheckFiles(Collection<OCFile> files) {
         if (files.isEmpty()) return;
 

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

@@ -329,6 +329,10 @@
     <string name="common_choose_account">Choose account</string>
     <string name="common_switch_account">Switch account</string>
     <string name="common_switch_to_account">Switch to account</string>
+    <string name="sync_all_action_dialog_title">Download entire folder?</string>
+    <string name="sync_all_action_dialog_description">
+    All files and subfolders will be downloaded to your device. This may use significant storage space and take some time depending on your connection.
+    </string>
     <string name="sync_fail_ticker">Sync failed</string>
     <string name="sync_fail_ticker_unauthorized">Sync failed, log in again</string>
     <string name="sync_fail_content">Could not sync %1$s</string>