Implement IP Address Pinning. https://redmine.stoutner.com/issues/212

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / dialogs / DownloadFileDialog.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadFileDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadFileDialog.java
index 5ff4a851a145d4eed0ee57ff9ae44555b31d3b8b..2ade1eae173a0b1af977b5bd8c659a895cf96f49 100644 (file)
--- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadFileDialog.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadFileDialog.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2016-2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
  *
@@ -42,10 +42,22 @@ import com.stoutner.privacybrowser.activities.MainWebViewActivity;
 import java.util.Locale;
 
 public class DownloadFileDialog extends AppCompatDialogFragment {
+    // `downloadFileListener` is used in `onAttach()` and `onCreateDialog()`.
+    private DownloadFileListener downloadFileListener;
+
+    // The public interface is used to send information back to the parent activity.
+    public interface DownloadFileListener {
+        void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl);
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        // Run the default commands.
+        super.onAttach(context);
 
-    private String downloadUrl;
-    private String downloadFileName;
-    private String fileSize;
+        // Get a handle for `DownloadFileListener` from the launching context.
+        downloadFileListener = (DownloadFileListener) context;
+    }
 
     public static DownloadFileDialog fromUrl(String urlString, String contentDisposition, long contentLength) {
         // Create an arguments bundle.
@@ -54,13 +66,14 @@ public class DownloadFileDialog extends AppCompatDialogFragment {
         // Create a variable for the file name string.
         String fileNameString;
 
-        // Parse `filename` from `contentDisposition`.
+        // Parse the filename from `contentDisposition`.
         if (contentDisposition.contains("filename=\"")) {  // The file name is contained in a string surrounded by `""`.
             fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=\"") + 10, contentDisposition.indexOf("\"", contentDisposition.indexOf("filename=\"") + 10));
-        } else if (contentDisposition.contains("filename=") && ((contentDisposition.indexOf(";", contentDisposition.indexOf("filename=") + 9)) > 0 )) {  // The file name is contained in a string beginning with `filename=` and ending with `;`.
+        } else if (contentDisposition.contains("filename=") && ((contentDisposition.indexOf(";", contentDisposition.indexOf("filename=") + 9)) > 0 )) {
+            // The file name is contained in a string beginning with `filename=` and ending with `;`.
             fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9, contentDisposition.indexOf(";", contentDisposition.indexOf("filename=") + 9));
         } else if (contentDisposition.contains("filename=")) {  // The file name is contained in a string beginning with `filename=` and proceeding to the end of `contentDisposition`.
-            fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9, contentDisposition.length());
+            fileNameString = contentDisposition.substring(contentDisposition.indexOf("filename=") + 9);
         } else {  // `contentDisposition` does not contain the filename, so use the last path segment of the URL.
             Uri downloadUri = Uri.parse(urlString);
             fileNameString = downloadUri.getLastPathSegment();
@@ -78,52 +91,28 @@ public class DownloadFileDialog extends AppCompatDialogFragment {
     }
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
+    @NonNull
+    // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+    @SuppressLint("InflateParams")
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
         // Remove the warning below that `getArguments()` might be null.
         assert getArguments() != null;
 
-        // Store the strings in the local class variables.
-        downloadUrl = getArguments().getString("URL");
-        downloadFileName = getArguments().getString("File_Name");
-
-        // Get the `File_Size`.
+        // Store the variables from the bundle.
+        String downloadUrl = getArguments().getString("URL");
+        String downloadFileName = getArguments().getString("File_Name");
         long fileSizeLong = getArguments().getLong("File_Size");
 
+        // Initialize the file size string.
+        String fileSize;
+
         // Convert `fileSizeLong` to a String.
         if (fileSizeLong == -1) {  // We don't know the file size.
             fileSize = getString(R.string.unknown_size);
         } else {  // Convert `fileSize` to MB and store it in `fileSizeString`.  `%.3g` displays the three most significant digits.
             fileSize = String.format(Locale.getDefault(), "%.3g", (float) fileSizeLong / 1048576) + " MB";
         }
-    }
-
-    // The public interface is used to send information back to the parent activity.
-    public interface DownloadFileListener {
-        void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl);
-    }
-
-    // `downloadFileListener` is used in `onAttach()` and `onCreateDialog()`.
-    private DownloadFileListener downloadFileListener;
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-
-        // Check to make sure the parent activity implements the listener.
-        try {
-            downloadFileListener = (DownloadFileListener) context;
-        } catch (ClassCastException exception) {
-            throw new ClassCastException(context.toString() + " must implement DownloadFileListener.");
-        }
-    }
 
-    @Override
-    @NonNull
-    // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
-    @SuppressLint("InflateParams")
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
         // Remove the warning below that `getActivity()` might be null;
         assert getActivity() != null;