From e7bea29620400f5ac4144884a9e027822de2a8f6 Mon Sep 17 00:00:00 2001
From: x0b <x0b@users.noreply.github.com>
Date: Mon, 19 Aug 2019 14:16:30 +0200
Subject: [PATCH] add support for non-document.ui import

When an import is started, search all folders in of
getExternalFilesDirs() for a rclone.conf and prompt the user to import
it. The path is generally available as
<device>/Android/ca.pkay.rcloneexplorer/files/rclone.conf

Signed-off-by: x0b <x0b@users.noreply.github.com>
---
 .../Fragments/RemotesFragment.java            | 12 +++++--
 .../ca/pkay/rcloneexplorer/MainActivity.java  | 33 ++++++++++++++++++-
 .../java/ca/pkay/rcloneexplorer/Rclone.java   | 12 +++++++
 app/src/main/res/values/strings.xml           |  2 ++
 4 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/ca/pkay/rcloneexplorer/Fragments/RemotesFragment.java b/app/src/main/java/ca/pkay/rcloneexplorer/Fragments/RemotesFragment.java
index f48043df..4b47623a 100644
--- a/app/src/main/java/ca/pkay/rcloneexplorer/Fragments/RemotesFragment.java
+++ b/app/src/main/java/ca/pkay/rcloneexplorer/Fragments/RemotesFragment.java
@@ -5,6 +5,7 @@
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
@@ -112,8 +113,15 @@ public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup c
             view.findViewById(R.id.empty_state_btn).setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View view) {
-                    if (getActivity() != null) {
-                        ((MainActivity) getActivity()).importConfigFile();
+                    Uri externalConfig;
+                    if(null != (externalConfig = rclone.searchExternalConfig())){
+                        if (getActivity() != null) {
+                            ((MainActivity) getActivity()).askUseExternalConfig(externalConfig);
+                        }
+                    } else {
+                        if (getActivity() != null) {
+                            ((MainActivity) getActivity()).importConfigFile();
+                        }
                     }
                 }
             });
diff --git a/app/src/main/java/ca/pkay/rcloneexplorer/MainActivity.java b/app/src/main/java/ca/pkay/rcloneexplorer/MainActivity.java
index a04bec60..ed78fe3b 100644
--- a/app/src/main/java/ca/pkay/rcloneexplorer/MainActivity.java
+++ b/app/src/main/java/ca/pkay/rcloneexplorer/MainActivity.java
@@ -380,7 +380,12 @@ private void warnUserAboutOverwritingConfiguration() {
             @Override
             public void onClick(DialogInterface dialogInterface, int i) {
                 dialogInterface.cancel();
-                importConfigFile();
+                Uri configUri;
+                if(null != (configUri = rclone.searchExternalConfig())){
+                    askUseExternalConfig(configUri);
+                } else {
+                    importConfigFile();
+                }
             }
         });
         builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
@@ -392,6 +397,32 @@ public void onClick(DialogInterface dialogInterface, int i) {
         builder.show();
     }
 
+    public void askUseExternalConfig(final Uri uri) {
+        AlertDialog.Builder builder;
+        if (isDarkTheme) {
+            builder = new AlertDialog.Builder(this, R.style.DarkDialogTheme);
+        } else {
+            builder = new AlertDialog.Builder(this);
+        }
+        builder.setTitle(R.string.config_use_external_question);
+        builder.setMessage(context.getString(R.string.config_import_external_explain, uri.toString()));
+        builder.setPositiveButton(R.string.continue_statement, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialogInterface, int i) {
+                dialogInterface.cancel();
+                new CopyConfigFile().execute(uri);
+            }
+        });
+        builder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialogInterface, int i) {
+                dialogInterface.cancel();
+                importConfigFile();
+            }
+        });
+        builder.show();
+    }
+
     private void askForConfigPassword() {
         findViewById(R.id.locked_config).setVisibility(View.VISIBLE);
         new InputDialog()
diff --git a/app/src/main/java/ca/pkay/rcloneexplorer/Rclone.java b/app/src/main/java/ca/pkay/rcloneexplorer/Rclone.java
index 7d43f806..9e32ac70 100644
--- a/app/src/main/java/ca/pkay/rcloneexplorer/Rclone.java
+++ b/app/src/main/java/ca/pkay/rcloneexplorer/Rclone.java
@@ -808,6 +808,18 @@ public boolean isConfigFileCreated() {
         return file.exists();
     }
 
+    // on all devices, look under ./Android/ca.pkay.rcloneexplorer/files/rclone.config
+    public Uri searchExternalConfig(){
+        File[] extDir = context.getExternalFilesDirs(null);
+        for(File dir : extDir){
+            File file = new File(dir + "/rclone.conf");
+            if(file.exists()){
+                return Uri.fromFile(file);
+            }
+        }
+        return null;
+    }
+
     public void copyConfigFile(Uri uri) throws IOException {
         String appsFileDir = context.getFilesDir().getPath();
         InputStream inputStream = context.getContentResolver().openInputStream(uri);
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b2661bbe..1a5be606 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -365,4 +365,6 @@
     <string name="authentication">Authentication</string>
     <string name="optional">Optional</string>
     <string name="serve_dialog_title">Serve a remote</string>
+    <string name="config_use_external_question">Import found configuration?</string>
+    <string name="config_import_external_explain">Automatically import from %1$s</string>
 </resources>