source: qutecom-2.2/wengophone/src/presentation/qt/chat/QtChatWidget.h @ 562:1498dcb678d6

/*
 * WengoPhone, a voice over Internet phone
 * Copyright (C) 2004-2007  Wengo
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef OWQTCHATWIDGET_H
#define OWQTCHATWIDGET_H

#include "ui_ChatWidget.h"

#include "emoticons/QtEmoticon.h"

#include <control/chat/CChatHandler.h>

#include <imwrapper/IMContact.h>
#include <imwrapper/IMChatSession.h>
#include <imwrapper/IMChat.h>

#include <util/Trackable.h>

#include <QtCore/QTime>
#include <QtWebKit/QWebView>

class Profile;
class QtWengoPhone;
class QtWengoStyleLabel;
class EmoticonsWidget;
class QFont;
class QUrl;
class QTimer;

#include <QtNetwork/QtNetwork>

/**
 *
 * @ingroup presentation
 * @author Mr K.
 * @author Mathieu Stute
 */
class QtChatWidget : public QWidget, public Trackable {
        Q_OBJECT
public:

        QtChatWidget(CChatHandler & cChatHandler, QtWengoPhone * qtWengoPhone,
                int sessionId, QWidget * parent);

        virtual ~QtChatWidget();

        void setNickName(const QString & nickname) {_nickName = nickname;}

        const QString & nickName() const {return _nickName;}

        bool canDoMultiChat() {return _imChatSession->canDoMultiChat();}

        void setContactId(QString contactId) {_contactId = contactId;}

        int getSessionId() const {return _sessionId;}

        IMChatSession * getIMChatSession() {return _imChatSession;}

        QString getContactId() const {return _contactId;}

        // called from the model's thread
        void contactAddedEventHandler(IMChatSession & sender, const IMContact & imContact);

        // called from the model's thread
        void contactRemovedEventHandler(IMChatSession & sender, const IMContact & imContact);

        void setIMChatSession(IMChatSession * imChatSession);

        /**
         * Adds a message to the history and display it.
         *
     * @param contactId id of the contact who sends the message, or "self" if the sender is the local user
         * @param senderName name of the contact who sends the message
         * @param str the message
         * @param time the time of the message, will use the current time if empty
         */
        void addToHistory(const QString & contactId, const QString & senderName, const QString & str, const QTime & time = QTime());

        /**
         * Displays a satus message.
         *
         * Behaves same as addToHistory but set the text color to the status message
         * color and does not display a contact name.
         */
        void addStatusMessage(const QString & statusMessage);

        void saveHistoryAsHtml();

        /**
         * Sets the Contact state.
         *
         * If not connected and the last status was connected,
         * the ChatEditWidget will be disabled and a status message
         * will be displayed saying the contact went offline.
         *
         * If connect and the last status was disconnected,
         * the ChatEditWidget will be enabled and a status message
         * will be displayed saying the contact when online.
         **/
        void setContactConnected(bool connected);

        bool canDoFileTransfer();

public Q_SLOTS:

        /**
         * QtChatEditWidget text has changed
         */
        void chatEditTextChanged();

        void changeFont();

        void chooseEmoticon();

        void emoticonSelected(QtEmoticon emoticon);

        void showInviteDialog();

        void contactAddedEventSlot(const IMContact & imContact);

        void contactRemovedEventSlot(const IMContact & imContact);

        virtual void setVisible(bool visible);

        void sendFileToSession(const QString & filename);
        
        void translationFinishedSlot(const QVariant  & , const QVariant  &, const QVariant  &, const QVariant  &, const QVariant  &);

Q_SIGNALS:

        void newMessage(IMChatSession* session,const QString & msg);

        void contactAddedEventSignal(const IMContact & imContact);

        void contactRemovedEventSignal(const IMContact & imContact);

        void ctrlTabPressed();

        void profileChangedEventHandlerSignal();

protected:
        virtual bool eventFilter(QObject* object, QEvent* event);

private Q_SLOTS:

        void avatarFrameButtonClicked();

        void changeFontColor();

        void boldClickedSlot();

        void italicClickedSlot();

        void underlineClickedSlot();

        void contactChangedSlot(QString contactId);

        void sendMessage();
        
        void stoppedTypingSlot();

        void updateUserAvatar();
        
        void translate(const QString &);

private:
        void profileChangedEventHandler();
        
        void updateAvatarFrame();

        void showAvatarFrame();

        void hideAvatarFrame();

        bool historyKeyPressEventFilter(QKeyEvent* event);

        bool editKeyPressEventFilter(QKeyEvent* event);

        CChatHandler & _cChatHandler;

        QtWengoPhone * _qtWengoPhone;

        IMChatSession * _imChatSession;

        QWidget * _widget;

        QString _contactId;

        int _sessionId;

        QString _nickName;

        mutable QMutex _mutex;

        EmoticonsWidget * _emoticonsWidget;

        Ui::ChatWidget _ui;

        /** True if the Contact in this Widget is connected. */
        bool _isContactConnected;

        // font style settings
        QFont _currentFont;
        QColor _currentColor;
        bool _bold;
        bool _italic;
        bool _underline;
        ////
        
        /** stopped typing timer */
        QTimer * _stoppedTypingTimer;
        
        bool _isTyping;

        QWebView * _webView;
};

#endif //OWQTCHATWIDGET_H