Added dialog to change password

2 files changed, 116 insertions, 9 deletions

diff --git a/src/de/danoeh/antennapod/activity/PreferenceActivity.java b/src/de/danoeh/antennapod/activity/PreferenceActivity.java
index 411a10257..517e71158 100644
--- a/src/de/danoeh/antennapod/activity/PreferenceActivity.java
+++ b/src/de/danoeh/antennapod/activity/PreferenceActivity.java
@@ -1,10 +1,5 @@
 package de.danoeh.antennapod.activity;
 
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources.Theme;
@@ -18,7 +13,6 @@ import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceScreen;
 import android.util.Log;
-
 import android.view.Menu;
 import android.view.MenuItem;
 import android.widget.Toast;
@@ -26,10 +20,16 @@ import de.danoeh.antennapod.AppConfig;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.asynctask.FlattrClickWorker;
 import de.danoeh.antennapod.asynctask.OpmlExportWorker;
+import de.danoeh.antennapod.dialog.AuthenticationDialog;
 import de.danoeh.antennapod.preferences.GpodnetPreferences;
 import de.danoeh.antennapod.preferences.UserPreferences;
 import de.danoeh.antennapod.util.flattr.FlattrUtils;
 
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * The main preference activity
  */
@@ -44,6 +44,7 @@ public class PreferenceActivity extends android.preference.PreferenceActivity {
     private static final String PREF_CHOOSE_DATA_DIR = "prefChooseDataDir";
     private static final String AUTO_DL_PREF_SCREEN = "prefAutoDownloadSettings";
     private static final String PREF_GPODNET_LOGIN = "pref_gpodnet_authenticate";
+    private static final String PREF_GPODNET_SETLOGIN_INFORMATION = "pref_gpodnet_setlogin_information";
     private static final String PREF_GPODNET_LOGOUT = "pref_gpodnet_logout";
 
     private CheckBoxPreference[] selectedNetworks;
@@ -58,9 +59,9 @@ public class PreferenceActivity extends android.preference.PreferenceActivity {
             getActionBar().setDisplayHomeAsUpEnabled(true);
         }
 
-		addPreferencesFromResource(R.xml.preferences);
-		findPreference(PREF_FLATTR_THIS_APP).setOnPreferenceClickListener(
-				new OnPreferenceClickListener() {
+        addPreferencesFromResource(R.xml.preferences);
+        findPreference(PREF_FLATTR_THIS_APP).setOnPreferenceClickListener(
+                new OnPreferenceClickListener() {
 
                     @Override
                     public boolean onPreferenceClick(Preference preference) {
@@ -160,6 +161,22 @@ public class PreferenceActivity extends android.preference.PreferenceActivity {
                                 return true;
                             }
                         });
+        findPreference(PREF_GPODNET_SETLOGIN_INFORMATION).setOnPreferenceClickListener(new OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                AuthenticationDialog dialog = new AuthenticationDialog(PreferenceActivity.this,
+                        R.string.pref_gpodnet_setlogin_information_title, false, false, GpodnetPreferences.getUsername(),
+                        null) {
+
+                    @Override
+                    protected void onConfirmed(String username, String password, boolean saveUsernamePassword) {
+                        GpodnetPreferences.setPassword(password);
+                    }
+                };
+                dialog.show();
+                return true;
+            }
+        });
         findPreference(PREF_GPODNET_LOGOUT).setOnPreferenceClickListener(new OnPreferenceClickListener() {
             @Override
             public boolean onPreferenceClick(Preference preference) {
@@ -182,6 +199,7 @@ public class PreferenceActivity extends android.preference.PreferenceActivity {
     private void updateGpodnetPreferenceScreen() {
         final boolean loggedIn = GpodnetPreferences.loggedIn();
         findPreference(PREF_GPODNET_LOGIN).setEnabled(!loggedIn);
+        findPreference(PREF_GPODNET_SETLOGIN_INFORMATION).setEnabled(loggedIn);
         findPreference(PREF_GPODNET_LOGOUT).setEnabled(loggedIn);
     }
 
diff --git a/src/de/danoeh/antennapod/dialog/AuthenticationDialog.java b/src/de/danoeh/antennapod/dialog/AuthenticationDialog.java
new file mode 100644
index 000000000..bdb2d68ba
--- /dev/null
+++ b/src/de/danoeh/antennapod/dialog/AuthenticationDialog.java
@@ -0,0 +1,89 @@
+package de.danoeh.antennapod.dialog;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.view.View;
+import android.view.Window;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import de.danoeh.antennapod.R;
+
+/**
+ * Displays a dialog with a username and password text field and an optional checkbox to save username and preferences.
+ */
+public abstract class AuthenticationDialog extends Dialog {
+
+    private final int titleRes;
+    private final boolean enableUsernameField;
+    private final boolean showSaveCredentialsCheckbox;
+    private final String usernameInitialValue;
+    private final String passwordInitialValue;
+
+    public AuthenticationDialog(Context context, int titleRes, boolean enableUsernameField, boolean showSaveCredentialsCheckbox, String usernameInitialValue, String passwordInitialValue) {
+        super(context);
+        this.titleRes = titleRes;
+        this.enableUsernameField = enableUsernameField;
+        this.showSaveCredentialsCheckbox = showSaveCredentialsCheckbox;
+        this.usernameInitialValue = usernameInitialValue;
+        this.passwordInitialValue = passwordInitialValue;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.authentication_dialog);
+        final EditText etxtUsername = (EditText) findViewById(R.id.etxtUsername);
+        final EditText etxtPassword = (EditText) findViewById(R.id.etxtPassword);
+        final CheckBox saveUsernamePassword = (CheckBox) findViewById(R.id.chkSaveUsernamePassword);
+        final Button butConfirm = (Button) findViewById(R.id.butConfirm);
+        final Button butCancel = (Button) findViewById(R.id.butCancel);
+
+        if (titleRes != 0) {
+            setTitle(titleRes);
+        } else {
+            requestWindowFeature(Window.FEATURE_NO_TITLE);
+        }
+        etxtUsername.setEnabled(enableUsernameField);
+        if (showSaveCredentialsCheckbox) {
+            saveUsernamePassword.setVisibility(View.VISIBLE);
+        } else {
+            saveUsernamePassword.setVisibility(View.GONE);
+        }
+        if (usernameInitialValue != null) {
+            etxtUsername.setText(usernameInitialValue);
+        }
+        if (passwordInitialValue != null) {
+            etxtPassword.setText(passwordInitialValue);
+        }
+        setOnCancelListener(new OnCancelListener() {
+            @Override
+            public void onCancel(DialogInterface dialog) {
+                onCancelled();
+            }
+        });
+        butCancel.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                cancel();
+            }
+        });
+        butConfirm.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                onConfirmed(etxtUsername.getText().toString(),
+                        etxtPassword.getText().toString(),
+                        showSaveCredentialsCheckbox && saveUsernamePassword.isChecked());
+                dismiss();
+            }
+        });
+    }
+
+    protected void onCancelled() {
+
+    }
+
+    protected abstract void onConfirmed(String username, String password, boolean saveUsernamePassword);
+}