/***************************************************************************
* Copyright 2006-2016 by Christian Ihle *
* contact@kouchat.net *
* *
* This file is part of KouChat. *
* *
* KouChat is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of *
* the License, or (at your option) any later version. *
* *
* KouChat 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with KouChat. *
* If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
package net.usikkert.kouchat.android.controller;
import net.usikkert.kouchat.android.R;
import net.usikkert.kouchat.android.chatwindow.AndroidPrivateChatWindow;
import net.usikkert.kouchat.android.chatwindow.AndroidUserInterface;
import net.usikkert.kouchat.android.service.ChatService;
import net.usikkert.kouchat.android.service.ChatServiceBinder;
import net.usikkert.kouchat.misc.User;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.ScrollView;
import android.widget.TextView;
/**
* Controller for private chat with another user.
*
* @author Christian Ihle
*/
public class PrivateChatController extends AppCompatActivity {
private ControllerUtils controllerUtils = new ControllerUtils();
private TextView privateChatView;
private EditText privateChatInput;
private ScrollView privateChatScroll;
private ActionBar actionBar;
private ServiceConnection serviceConnection;
private AndroidUserInterface androidUserInterface;
private AndroidPrivateChatWindow privateChatWindow;
private User user;
/** If this private chat is currently visible. */
private boolean visible;
/** If this private chat has been destroyed. */
private boolean destroyed;
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.private_chat);
privateChatInput = (EditText) findViewById(R.id.privateChatInput);
privateChatView = (TextView) findViewById(R.id.privateChatView);
privateChatScroll = (ScrollView) findViewById(R.id.privateChatScroll);
final Intent chatServiceIntent = createChatServiceIntent();
serviceConnection = createServiceConnection();
bindService(chatServiceIntent, serviceConnection, Context.BIND_NOT_FOREGROUND);
actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
controllerUtils.makeLinksClickable(privateChatView);
privateChatInput.requestFocus();
}
@Override
protected void onDestroy() {
destroyed = true;
if (privateChatWindow != null) {
privateChatWindow.unregisterPrivateChatController();
unbindService(serviceConnection);
}
privateChatInput.setOnKeyListener(null);
controllerUtils.removeReferencesToTextViewFromText(privateChatView);
controllerUtils.removeReferencesToTextViewFromText(privateChatInput);
androidUserInterface = null;
privateChatWindow = null;
user = null;
controllerUtils = null;
privateChatView = null;
privateChatInput = null;
privateChatScroll = null;
actionBar = null;
serviceConnection = null;
super.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
visible = true;
if (androidUserInterface != null && user != null) {
// Make sure that new private message notifications are hidden when the private chat is shown again
// after being hidden. Happens when the screen is turned off and on again, or after pressing home,
// and returning to the application, or clicking a link and returning, and so on.
resetNewPrivateMessageIcon();
}
}
@Override
protected void onPause() {
visible = false;
super.onPause();
}
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home: // Clicked on KouChat icon in the action bar
return goBackToMainChat();
default:
return super.onOptionsItemSelected(item);
}
}
private boolean goBackToMainChat() {
startActivity(new Intent(this, MainChatController.class));
return true;
}
/**
* Makes sure regular key events from anywhere in the activity are sent to the input field,
* and giving it focus if it doesn't currently have focus.
*
* <p>Always asks the activity first, to make sure special keys are handled correctly, like the back button.</p>
*
* {@inheritDoc}
*/
@Override
public boolean dispatchKeyEvent(final KeyEvent event) {
if (super.dispatchKeyEvent(event)) {
return true;
}
if (!privateChatInput.hasFocus()) {
privateChatInput.requestFocus();
}
return privateChatInput.dispatchKeyEvent(event);
}
private Intent createChatServiceIntent() {
return new Intent(this, ChatService.class);
}
private ServiceConnection createServiceConnection() {
return new ServiceConnection() {
@Override
public void onServiceConnected(final ComponentName componentName, final IBinder iBinder) {
final ChatServiceBinder binder = (ChatServiceBinder) iBinder;
androidUserInterface = binder.getAndroidUserInterface();
setupPrivateChatWithUser();
}
@Override
public void onServiceDisconnected(final ComponentName componentName) { }
};
}
private void registerPrivateChatInputListener() {
privateChatInput.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(final View v, final int keyCode, final KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_ENTER) {
sendPrivateMessage(privateChatInput.getText().toString());
privateChatInput.setText("");
return true;
}
return false;
}
});
}
protected void sendPrivateMessage(final String privateMessage) {
if (privateMessage != null && privateMessage.trim().length() > 0) {
androidUserInterface.sendPrivateMessage(privateMessage, user);
}
}
private void setupPrivateChatWithUser() {
setUser();
if (user != null) {
setPrivateChatWindow();
setTitle();
resetNewPrivateMessageIcon();
registerPrivateChatInputListener();
}
}
private void setTitle() {
privateChatWindow.updateTitle();
}
private void setUser() {
final Intent intent = getIntent();
final int userCode = intent.getIntExtra("userCode", -1);
user = androidUserInterface.getUser(userCode);
}
private void setPrivateChatWindow() {
androidUserInterface.createPrivChat(user);
privateChatWindow = (AndroidPrivateChatWindow) user.getPrivchat();
privateChatWindow.registerPrivateChatController(this);
}
private void resetNewPrivateMessageIcon() {
androidUserInterface.activatedPrivChat(user);
}
public void updatePrivateChat(final CharSequence savedChat) {
privateChatView.setText(savedChat);
// Run this after 1 second, because right after a rotate the layout is null and it's not possible to scroll yet
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
// If rotating fast, this activity could already be destroyed before this runs
if (!destroyed) {
controllerUtils.scrollTextViewToBottom(privateChatView, privateChatScroll);
}
}
}, ControllerUtils.ONE_SECOND);
}
public void appendToPrivateChat(final CharSequence privateMessage) {
runOnUiThread(new Runnable() {
public void run() {
if (destroyed) {
return; // If rotating fast, this activity could already be destroyed before this runs
}
privateChatView.append(privateMessage);
// Allow a way to avoid automatic scrolling to the bottom.
// Just scroll somewhere and click on the text to remove focus from the input field.
// Also fixes the annoying jumping scroll that happens sometimes.
if (privateChatInput.hasFocus()) {
controllerUtils.scrollTextViewToBottom(privateChatView, privateChatScroll);
}
}
});
}
/**
* Returns if this private chat view is currently visible.
*
* @return If the view is visible.
*/
public boolean isVisible() {
return visible;
}
/**
* Updates the title and subtitle of the activity with the specified values.
*
* @param title The title to set.
* @param subtitle The subtitle to set.
*/
public void updateTitleAndSubtitle(final String title, final String subtitle) {
runOnUiThread(new Runnable() {
@Override
public void run() {
actionBar.setTitle(title);
actionBar.setSubtitle(subtitle);
}
});
}
}