root / src / com / rackspace / cloud / android / CloudListActivity.java @ 7193acee
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package com.rackspace.cloud.android; |
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import java.io.IOException; |
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import java.io.StringReader; |
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import java.util.Calendar; |
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import javax.xml.parsers.FactoryConfigurationError; |
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import javax.xml.parsers.ParserConfigurationException; |
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import javax.xml.parsers.SAXParser; |
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import javax.xml.parsers.SAXParserFactory; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.ClientProtocolException; |
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import org.apache.http.impl.client.BasicResponseHandler; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.XMLReader; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.content.Context; |
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import android.content.DialogInterface; |
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import android.content.DialogInterface.OnCancelListener; |
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import android.content.Intent; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.view.WindowManager; |
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import android.widget.Button; |
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import android.widget.EditText; |
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import android.widget.Toast; |
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import com.rackspace.cloud.servers.api.client.CloudServersException; |
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import com.rackspace.cloud.servers.api.client.http.HttpBundle; |
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import com.rackspace.cloud.servers.api.client.parsers.CloudServersFaultXMLParser; |
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/*
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* CloudActivity manages the display and hiding of
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* pDialog.
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*
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* Also provides many accessory methods that are common
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* to Activities
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*/
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public class CloudListActivity extends GaListActivity { |
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private final int PASSWORD_PROMPT = 123; |
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private Context context; |
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private boolean isLoading; |
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private Dialog pDialog; |
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protected AndroidCloudApplication app;
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// need to store if the user has successfully logged in
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private boolean loggedIn; |
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@Override
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protected void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState);
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app = (AndroidCloudApplication) this.getApplication();
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// So keyboard doesn't open till user clicks
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this.getWindow().setSoftInputMode(
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WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); |
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registerForContextMenu(getListView()); |
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} |
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@Override
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protected void onSaveInstanceState(Bundle outState) { |
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super.onSaveInstanceState(outState);
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outState.putBoolean("isLoading", isLoading);
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outState.putBoolean("loggedIn", loggedIn);
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if (pDialog != null && pDialog.isShowing()) { |
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hideDialog(); |
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} |
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} |
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protected void restoreState(Bundle state) { |
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context = getApplicationContext(); |
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if (state != null && state.containsKey("loggedIn")) { |
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loggedIn = state.getBoolean("loggedIn");
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} else {
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loggedIn = false;
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} |
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/*
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* need to restore the pDialog is was shown before a config change
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*/
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if (state != null && state.containsKey("isLoading")) { |
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isLoading = state.getBoolean("isLoading");
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if (isLoading) {
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showDialog(); |
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} |
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} |
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} |
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@Override
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protected void onStart() { |
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super.onStart();
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if (isLoading) {
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showDialog(); |
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} |
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} |
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@Override
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protected void onStop() { |
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super.onStop();
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if (isLoading) {
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hideDialog(); |
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isLoading = true;
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} |
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} |
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@Override
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protected void onPause() { |
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super.onPause();
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Calendar cal = Calendar.getInstance(); |
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AndroidCloudApplication.lastPause = cal.getTimeInMillis(); |
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} |
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@Override
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protected void onResume() { |
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super.onResume();
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Calendar cal = Calendar.getInstance(); |
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long curTime = cal.getTimeInMillis();
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if (curTime - AndroidCloudApplication.lastPause > 5000) { |
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verifyPassword(); |
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} |
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} |
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/*
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* if the application is password protected, the user must provide the
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* password before gaining access
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*/
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private void verifyPassword() { |
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PasswordManager pwManager = new PasswordManager(getSharedPreferences(
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Preferences.SHARED_PREFERENCES_NAME, MODE_PRIVATE));
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if (pwManager.hasPassword()) {
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createCustomDialog(PASSWORD_PROMPT); |
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} |
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} |
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private boolean rightPassword(String password) { |
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PasswordManager pwManager = new PasswordManager(getSharedPreferences(
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Preferences.SHARED_PREFERENCES_NAME, MODE_PRIVATE));
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return pwManager.verifyEnteredPassword(password);
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} |
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/*
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* forces the user to enter a correct password before they gain access to
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* application data
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*/
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private void createCustomDialog(int id) { |
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final Dialog dialog = new Dialog(CloudListActivity.this); |
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switch (id) {
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case PASSWORD_PROMPT:
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dialog.setContentView(R.layout.passworddialog); |
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dialog.setTitle("Enter your password:");
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dialog.setCancelable(false);
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Button button = (Button) dialog.findViewById(R.id.submit_password); |
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button.setOnClickListener(new OnClickListener() {
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public void onClick(View v) { |
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EditText passwordText = ((EditText) dialog |
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.findViewById(R.id.submit_password_text)); |
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if (!rightPassword(passwordText.getText().toString())) {
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passwordText.setText("");
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showToast("Password was incorrect.");
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loggedIn = false;
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} else {
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dialog.dismiss(); |
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loggedIn = true;
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} |
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} |
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}); |
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dialog.show(); |
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} |
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} |
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protected final void showAlert(String title, String message) { |
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try {
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AlertDialog alert = new AlertDialog.Builder(this).create(); |
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alert.setTitle(title); |
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alert.setMessage(message); |
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alert.setButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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return;
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} |
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}); |
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alert.show(); |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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protected final void showError(final String message, HttpBundle bundle) { |
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new AsyncTask<HttpBundle, Void, HttpBundle>() { |
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@Override
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protected HttpBundle doInBackground(HttpBundle... params) {
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if (params != null && params.length > 0) { |
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HttpBundle result = params[0];
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result.parseResponse(); |
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return result;
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} |
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return null; |
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} |
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@Override
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protected void onPostExecute(HttpBundle result) { |
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// TODO Auto-generated method stub
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super.onPostExecute(result);
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if (result != null) { |
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Intent viewIntent = new Intent(getApplicationContext(),
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ServerErrorActivity.class); |
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viewIntent.putExtra("errorMessage", message);
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viewIntent.putExtra("response",
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result.getResponseTextStatic()); |
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viewIntent.putExtra("request", result.getCurlRequest());
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startActivity(viewIntent); |
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} |
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} |
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}.execute(bundle); |
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} |
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protected void showToast(String message) { |
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Context context = getApplicationContext();
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int duration = Toast.LENGTH_SHORT;
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Toast toast = Toast.makeText(context, message, duration); |
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toast.show(); |
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} |
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protected final CloudServersException parseCloudServersException( |
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HttpResponse response) { |
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CloudServersException cse = new CloudServersException();
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try {
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BasicResponseHandler responseHandler = new BasicResponseHandler();
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String body = responseHandler.handleResponse(response);
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CloudServersFaultXMLParser parser = new CloudServersFaultXMLParser();
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SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); |
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XMLReader xmlReader = saxParser.getXMLReader(); |
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xmlReader.setContentHandler(parser); |
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xmlReader.parse(new InputSource(new StringReader(body))); |
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cse = parser.getException(); |
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} catch (ClientProtocolException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (IOException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (ParserConfigurationException e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (SAXException e) {
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} catch (FactoryConfigurationError e) { |
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cse = new CloudServersException();
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cse.setMessage(e.getLocalizedMessage()); |
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} |
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return cse;
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} |
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protected final void hideDialog() { |
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if (pDialog != null) { |
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isLoading = false;
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pDialog.dismiss(); |
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} |
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} |
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protected final void showDialog() { |
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if (pDialog == null || !pDialog.isShowing()) { |
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isLoading = true;
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pDialog = CenteredProgressDialog.show(this, "", "", false, true, |
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new OnCancelListener() {
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@Override
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public void onCancel(DialogInterface dialog) { |
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finish(); |
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} |
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}); |
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pDialog.show(); |
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} |
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} |
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protected Context getContext() { |
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return context;
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} |
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} |