Make create key wizard step-by-step

1 files changed, 170 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyPassphraseFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyPassphraseFragment.java
new file mode 100644
index 000000000..be77d5042
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyPassphraseFragment.java
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * 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 org.sufficientlysecure.keychain.ui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.EditText;
+
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
+import org.sufficientlysecure.keychain.ui.widget.PassphraseEditText;
+
+public class CreateKeyPassphraseFragment extends Fragment {
+
+    public static final String ARG_NAME = "name";
+    public static final String ARG_EMAIL = "email";
+
+    // model
+    String mName;
+    String mEmail;
+
+    // view
+    CreateKeyActivity mCreateKeyActivity;
+    PassphraseEditText mPassphraseEdit;
+    EditText mPassphraseEditAgain;
+    View mBackButton;
+    View mNextButton;
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static CreateKeyPassphraseFragment newInstance(String name, String email) {
+        CreateKeyPassphraseFragment frag = new CreateKeyPassphraseFragment();
+
+        Bundle args = new Bundle();
+        args.putString(ARG_NAME, name);
+        args.putString(ARG_EMAIL, email);
+
+        frag.setArguments(args);
+
+        return frag;
+    }
+
+    /**
+     * Checks if text of given EditText is not empty. If it is empty an error is
+     * set and the EditText gets the focus.
+     *
+     * @param context
+     * @param editText
+     * @return true if EditText is not empty
+     */
+    private static boolean isEditTextNotEmpty(Context context, EditText editText) {
+        boolean output = true;
+        if (editText.getText().toString().length() == 0) {
+            editText.setError(context.getString(R.string.create_key_empty));
+            editText.requestFocus();
+            output = false;
+        } else {
+            editText.setError(null);
+        }
+
+        return output;
+    }
+
+    private static boolean areEditTextsEqual(Context context, EditText editText1, EditText editText2) {
+        boolean output = true;
+        if (!editText1.getText().toString().equals(editText2.getText().toString())) {
+            editText2.setError(context.getString(R.string.create_key_passphrases_not_equal));
+            editText2.requestFocus();
+            output = false;
+        } else {
+            editText2.setError(null);
+        }
+
+        return output;
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.create_key_passphrase_fragment, container, false);
+
+        mPassphraseEdit = (PassphraseEditText) view.findViewById(R.id.create_key_passphrase);
+        mPassphraseEditAgain = (EditText) view.findViewById(R.id.create_key_passphrase_again);
+        mBackButton = view.findViewById(R.id.create_key_back_button);
+        mNextButton = view.findViewById(R.id.create_key_next_button);
+
+        // initial values
+        mName = getArguments().getString(ARG_NAME);
+        mEmail = getArguments().getString(ARG_EMAIL);
+        mPassphraseEdit.requestFocus();
+        mBackButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                back();
+            }
+        });
+        mNextButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                createKeyCheck();
+            }
+        });
+
+        return view;
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+        mCreateKeyActivity = (CreateKeyActivity) getActivity();
+    }
+
+    private void back() {
+        hideKeyboard();
+        mCreateKeyActivity.loadFragment(null, null, FragAction.TO_LEFT);
+    }
+
+    private void createKeyCheck() {
+        if (isEditTextNotEmpty(getActivity(), mPassphraseEdit)
+                && areEditTextsEqual(getActivity(), mPassphraseEdit, mPassphraseEditAgain)) {
+
+            CreateKeyFinalFragment frag =
+                    CreateKeyFinalFragment.newInstance(
+                            mName,
+                            mEmail,
+                            mPassphraseEdit.getText().toString()
+                    );
+
+            hideKeyboard();
+            mCreateKeyActivity.loadFragment(null, frag, FragAction.TO_RIGHT);
+        }
+    }
+
+    private void hideKeyboard() {
+        if (getActivity() == null) {
+            return;
+        }
+        InputMethodManager inputManager = (InputMethodManager) getActivity()
+                .getSystemService(Context.INPUT_METHOD_SERVICE);
+
+        // check if no view has focus
+        View v = getActivity().getCurrentFocus();
+        if (v == null)
+            return;
+
+        inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
+    }
+
+}