8797 - pair programming effort

1 files changed, 148 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/MainActivityErrorDialog.java b/app/src/main/java/se/leap/bitmaskclient/MainActivityErrorDialog.java
new file mode 100644
index 00000000..374c48fa
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/MainActivityErrorDialog.java
@@ -0,0 +1,148 @@
+/**
+ * Copyright (c) 2013 LEAP Encryption Access Project and contributers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package se.leap.bitmaskclient;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+
+import org.json.JSONObject;
+
+import static se.leap.bitmaskclient.MainActivityErrorDialog.DOWNLOAD_ERRORS.*;
+import static se.leap.bitmaskclient.ProviderAPI.DOWNLOAD_VPN_CERTIFICATE;
+import static se.leap.bitmaskclient.eip.EIP.ERRORS;
+import static se.leap.bitmaskclient.eip.EIP.ERROR_ID;
+
+/**
+ * Implements a dialog to show why a download failed.
+ *
+ * @author parmegv
+ */
+public class MainActivityErrorDialog extends DialogFragment {
+
+    public static String TAG = "downloaded_failed_dialog";
+    private String reasonToFail;
+    private DOWNLOAD_ERRORS downloadError = DEFAULT;
+
+    private MainActivityErrorDialogInterface callbackInterface;
+    private Provider provider;
+
+    public enum DOWNLOAD_ERRORS {
+        DEFAULT,
+        ERROR_INVALID_VPN_CERTIFICATE,
+    }
+
+    /**
+     * @return a new instance of this DialogFragment.
+     */
+    public static DialogFragment newInstance(Provider provider, String reasonToFail) {
+        MainActivityErrorDialog dialogFragment = new MainActivityErrorDialog();
+        dialogFragment.reasonToFail = reasonToFail;
+        dialogFragment.provider = provider;
+        return dialogFragment;
+    }
+
+    /**
+     * @return a new instance of this DialogFragment.
+     */
+    public static DialogFragment newInstance(Provider provider, JSONObject errorJson) {
+        MainActivityErrorDialog dialogFragment = new MainActivityErrorDialog();
+        dialogFragment.provider = provider;
+        try {
+            if (errorJson.has(ERRORS)) {
+                dialogFragment.reasonToFail = errorJson.getString(ERRORS);
+            } else {
+                //default error msg
+                dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
+            }
+
+            if (errorJson.has(ERROR_ID)) {
+                dialogFragment.downloadError = valueOf(errorJson.getString(ERROR_ID));
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            dialogFragment.reasonToFail = dialogFragment.getString(R.string.error_io_exception_user_message);
+        }
+        return dialogFragment;
+    }
+
+    @Override
+    @NonNull
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+        builder.setMessage(reasonToFail)
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int id) {
+                dialog.dismiss();
+                callbackInterface.onDialogDismissed();
+            }
+        });
+        switch (downloadError) {
+            case ERROR_INVALID_VPN_CERTIFICATE:
+                builder.setPositiveButton(R.string.update_certificate, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dismiss();
+                        ProviderAPICommand.execute(getContext(), DOWNLOAD_VPN_CERTIFICATE, provider);
+                        callbackInterface.onDialogDismissed();
+                    }
+                });
+                break;
+            default:
+                builder.setPositiveButton(R.string.retry, new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog, int id) {
+                                dismiss();
+                                callbackInterface.onDialogDismissed();
+                            }
+                        });
+                break;
+        }
+
+        // Create the AlertDialog object and return it
+        return builder.create();
+    }
+
+    @Override
+    public void dismiss() {
+        super.dismiss();
+    }
+
+    public interface MainActivityErrorDialogInterface {
+        void onDialogDismissed();
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        try {
+            callbackInterface = (MainActivityErrorDialogInterface) context;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(context.toString()
+                    + " must implement NoticeDialogListener");
+        }
+    }
+
+    @Override
+    public void onCancel(DialogInterface dialog) {
+        super.onCancel(dialog);
+        callbackInterface.onDialogDismissed();
+    }
+}