/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 * class to manage differnt messaging views.

 *

 */

#ifndef MSGVIEWMANAGER_H_

#define MSGVIEWMANAGER_H_

#include <QObject>

#include <QVariantList>

#include <QVariant>

class HbMainWindow;

class MsgUnifiedEditorView;

class MsgListView;

class MsgConversationBaseView;

class UnifiedViewer;

class MsgBaseView;

class DraftsListView;

class MsgSettingsView;

class HbAction;

class HbView;

class MsgViewManager: public QObject

{

Q_OBJECT

public:

    /**

     * constructor

     */

    MsgViewManager(bool serviceRequest, HbMainWindow* mainWindow, 

                   QObject* parent = 0,int activityMsgId = -1);

    /**

     * Destructor.

     */

    ~MsgViewManager();

    /**

     * call back function will be called from MsgServiceInterface.

     */

    void send(const qint32 contactId, const QString phoneNumber, const QString displayName);

    /**

     * call back function called from MsgServiceInterface to set service request flag.

     */

    void setServiceRequest(bool request);

    /**

     * call back function called MsgServiceInterface.

     */

    void open(qint64 conversationId);

    /**

     * call back function called MsgServiceInterface.

     */

    void send(QVariant data);

    /**

     * depricated api. will be removed in future.

     */

    void openEditor(QString number, QString name);

    /**

     * call back function will be called from MsgServiceInterface.

     */

    void send(const QString phoneNumber, const QString alias, const QString bodyText);

    /**

     * Opens the viewer to view the message.

     * @param msgId message id of the message.

     */

    void view(int msgId);

    /**

     * Returns the current active view.

     */

    int currentView();

    /**

	 * Saves the content of editor or Cv to draft.

	 */

    int saveContentToDraft();

    /**

     * Handles the HW key events.

     * @param key key type.

     * @return true if key event handled else false.

     */

    bool handleKeyEvent(int key);

private:

    /**

     * swiches back to last view after service request is complete.

     */

    void switchToLastSavedView();

    /**

     * find conversation id corresponding to given phone no.

     * @param phoneNum

     */

    qint64 findConversationId(const QString phoneNum);

    /**

     * helper method to complete back action.

     */

    void completeServiceRequest();

    /*

     * switch to clv.

     */

    void switchToClv(const QVariantList& data);

    /*

     * switch to cv.

     */

    void switchToCv(const QVariantList& data);

    /*

     * switch to dlv.

     */

    void switchToDlv(const QVariantList& data);

    /*

     * switch to unieditor.

     */

    void switchToUniEditor(const QVariantList& data);

    /*

     * switch to univiewer.

     */

    void switchToUniViewer(const QVariantList& data);

    /*

     * switch to settings.

     */

    void switchToMsgSettings(const QVariantList& data);

    /*

     * handle other cases.

     */

    void handleDefault(const QVariantList& data);

    /**

     * handle sms and mms messge

     * @param msgId message id

     */

    void handleSmsMmsMsg(int msgId);

    /**

     * handle ringtone message

     * @param msgId message id

     */

    void handleRingtoneMsg(int msgId);

    /**

     * handle provisioning message

     * @param msgId message id

     */

    void handleProvisoningMsg(int msgId);

	/**

	* Appends the views to be deleted into a QList to be deleted when view is ready

	*/

    void appendViewToBeDeleted(HbView* view);

	 /**

	  * Save the editor data to be populated

	  * @param editorData QVariantList

	  */    

    void populateUniEditorAfterViewReady(const QVariantList& editorData);

    /**

	 * opens unieditor as activity.

	 * @param activityMsgId activity msg id.

	 */

	void openUniEditorActivity(int activityMsgId);

    /**

    * find contact id corresponding to given phone no.

    * @param phoneNum

    */

    qint32 findContactId(const QString address);

private slots:

    /**

     * this slot is called on mainwindows back action.

     */

    void onBackAction();

    /**

     * This slot is called when switchView signal is emitted from a view.

     */

    void switchView(const QVariantList& data);

    /**

     * This slot is called when viewReady signal is emitted from main window.

     */

    void setViewInteractive();

    /**

     * Slot to delete previous view instances on view switch

     */

    void deletePreviousView();

	/**

     * This slot is called when delete message dialog is launched.

     * @param action selected action (yes or no).

     */	

    void onDialogDeleteMsg(HbAction* action);

	/**

     * This slot is called when save tone dialog is launched.

     * @param action selected action (yes or no).

     */	

    void onDialogSaveTone(HbAction* action);

    /**

     * When this slot is called the saved editor data is set to the editor

     */

    void populateUniEditorView();

private:

    /**

     * main window reference not owned.

     */

    HbMainWindow* mMainWindow;

    /**

     * different views.

     */

    MsgUnifiedEditorView* mUniEditor;

    MsgListView* mListView;

    MsgConversationBaseView* mConversationView;

    UnifiedViewer* mUniViewer;

    DraftsListView* mDraftsListView;

    MsgSettingsView* mSettingsView;

    HbAction* mBackAction;

    int mPreviousView;

    int mCurrentView;

    int mViewAtServiceRequest;

    bool mServiceRequest;

    qint64 mConversationId;

    bool mViewServiceRequest;

    QList<HbView*> mViewTobeDeleted;

    HbView* mDummyview;

    int mMessageId;

    QVariantList mEditorData;

    QVariantList mViewerData;

};

#endif /* MSGVIEWMANAGER_H_ */