zdm/envoy
zdm/envoy
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Merge pull request #73 from informatik-ag-ngl/b/fast_startup

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Loading ChatWindow in parallel to Client and LocalDB
This commit is contained in:
Kai S. K. Engelbart 2019-12-21 21:07:33 +01:00 committed by GitHub
commit 73167370b6
2 changed files with 45 additions and 18 deletions
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46
src/main/java/envoy/client/ui/ChatWindow.java
View File

@ -54,14 +54,9 @@ public class ChatWindow extends JFrame {
* Initializes a {@link JFrame} with UI elements used to send and read messages
* to different users.
*
* @param client the {@link Client} used to send and receive messages
* @param localDB the {@link LocalDB} used to manage stored messages and users
* @since Envoy v0.1-alpha
*/
public ChatWindow(Client client, LocalDB localDB) {
this.client = client;
this.localDB = localDB;
public ChatWindow() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 600, 800);
setTitle("Envoy");
@ -164,7 +159,7 @@ public class ChatWindow extends JFrame {
userList.setCellRenderer(new UserListRenderer());
userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
userList.addListSelectionListener((listSelectionEvent) -> {
if (!listSelectionEvent.getValueIsAdjusting()) {
if (client != null && localDB != null && !listSelectionEvent.getValueIsAdjusting()) {
@SuppressWarnings("unchecked")
final JList<User> selectedUserList = (JList<User>) listSelectionEvent.getSource();
final User user = selectedUserList.getSelectedValue();
@ -193,16 +188,12 @@ public class ChatWindow extends JFrame {
gbc_userList.anchor = GridBagConstraints.PAGE_START;
gbc_userList.insets = new Insets(space, space, space, space);
changeChatWindowColors(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
applyTheme(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
contentPane.add(userList, gbc_userList);
contentPane.revalidate();
EventBus.getInstance().register(ThemeChangeEvent.class, (evt) -> changeChatWindowColors((Theme) evt.get()));
loadUsersAndChats();
if (client.isOnline()) startSyncThread(Config.getInstance().getSyncTimeout());
EventBus.getInstance().register(ThemeChangeEvent.class, (evt) -> applyTheme((Theme) evt.get()));
contentPane.revalidate();
}
@ -211,9 +202,9 @@ public class ChatWindow extends JFrame {
* Used to immediately reload the ChatWindow when settings were changed.
*
* @param theme the theme to change colors into
* @since Envoy v0.1-alpha
* @since Envoy v0.2-alpha
*/
private void changeChatWindowColors(Theme theme) {
private void applyTheme(Theme theme) {
// contentPane
contentPane.setBackground(theme.getBackgroundColor());
contentPane.setForeground(theme.getUserNameColor());
@ -334,4 +325,29 @@ public class ChatWindow extends JFrame {
* Marks messages in the current chat as {@code READ}.
*/
private void readCurrentChat() { if (currentChat != null) { localDB.setMessagesToRead(currentChat); } }
/**
* Sets the {@link Client} used by this {@link ChatWindow}. If the client is
* online, the sync thread is started.
*
* @param client the {@link Client} used to send and receive messages
* @since Envoy v0.2-alpha
*/
public void setClient(Client client) {
this.client = client;
if (client.isOnline() && localDB != null) startSyncThread(Config.getInstance().getSyncTimeout());
}
/**
* Sets the {@link LocalDB} used by this {@link ChatWindow}. After invoking this
* method, users and chats will be loaded from the database into the GUI.
*
* @param localDB the {@link LocalDB} used to manage stored messages and users
* @since Envoy v0.2-alpha
*/
public void setLocalDB(LocalDB localDB) {
this.localDB = localDB;
loadUsersAndChats();
if (client != null && client.isOnline()) startSyncThread(Config.getInstance().getSyncTimeout());
}
}

17
src/main/java/envoy/client/ui/Startup.java
View File

@ -8,6 +8,7 @@ import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import envoy.client.*;
import envoy.client.util.EnvoyLog;
@ -15,7 +16,7 @@ import envoy.exception.EnvoyException;
import envoy.schema.User;
/**
* Starts the Envoy client and prompts the user to enter their name.
* Starts the Envoy client and prompts the user to enter their name.<br>
* <br>
* Project: <strong>envoy-client</strong><br>
* File: <strong>Startup.java</strong><br>
@ -28,6 +29,8 @@ import envoy.schema.User;
*/
public class Startup {
private static ChatWindow chatWindow;
private static final Logger logger = EnvoyLog.getLogger(Startup.class.getSimpleName());
/**
@ -44,6 +47,8 @@ public class Startup {
public static void main(String[] args) {
Config config = Config.getInstance();
SwingUtilities.invokeLater(() -> chatWindow = new ChatWindow());
try {
// Load the configuration from client.properties first
config.load();
@ -82,6 +87,8 @@ public class Startup {
return;
}
SwingUtilities.invokeLater(() -> chatWindow.setVisible(true));
// Acquire the client user (with ID) either from the server or from the local
// database, which triggers offline mode
Client client = new Client(config);
@ -96,6 +103,10 @@ public class Startup {
User clientUser = localDB.getUsers().get(userName);
if (clientUser == null) throw new EnvoyException("Could not enter offline mode: user name unknown");
client.setSender(clientUser);
JOptionPane.showMessageDialog(null,
"A connection to the server could not be established. Starting in offline mode.",
"Connection error",
JOptionPane.WARNING_MESSAGE);
} catch (Exception e2) {
JOptionPane.showMessageDialog(null, e2.toString(), "Client error", JOptionPane.ERROR_MESSAGE);
System.exit(1);
@ -125,8 +136,8 @@ public class Startup {
EventQueue.invokeLater(() -> {
try {
ChatWindow chatWindow = new ChatWindow(client, localDB);
chatWindow.setVisible(true);
chatWindow.setClient(client);
chatWindow.setLocalDB(localDB);
try {
new StatusTrayIcon(chatWindow).show();