/*

* 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:   VideoListToolbar class source code

*

*/

// INCLUDE FILES

#include <qactiongroup.h>

#include <hbaction.h>

#include <hbtoolbarextension.h>

#include <vcxmyvideosdefs.h>

#include "videolisttoolbar.h"

#include "videoservices.h"

#include "videooperatorservice.h"

#include "videocollectioncenrepdefs.h"

#include "videocollectiontrace.h"

#include "videolistview.h"

#include "videocollectionuiloader.h"

#include "videolistwidget.h"

#include "videoproxymodelgeneric.h"

#include "videolistselectiondialog.h"

// Object names.

const char* const LIST_VIEW_OBJECT_NAME_TOOLBAR_EXTENSION = "vc::ListViewToolbarExtension";

// ---------------------------------------------------------------------------

// Constructor

// ---------------------------------------------------------------------------

//

VideoListToolbar::VideoListToolbar(VideoCollectionUiLoader* uiLoader, VideoListView* parent)

    : QObject(parent)

    , mCurrentLevel(VideoCollectionCommon::ELevelInvalid)

    , mUiUtils(VideoCollectionViewUtils::instance())

    , mUiLoader(uiLoader)

    , mListView(parent)

    , mVideoServices(0)

    , mToolbarViewsActionGroup(0)

    , mToolbarCollectionActionGroup(0)

    , mToolbarServiceExtension(0)

{

	FUNC_LOG;

}

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

VideoListToolbar::~VideoListToolbar()

{

	FUNC_LOG;

	emit actionsChanged(mViewStateActions[VideoCollectionCommon::ELevelInvalid]);

    mToolbarActions.clear();

    delete mToolbarServiceExtension;

    mToolbarServiceExtension = 0;

    if(mVideoServices)

    {

    	mVideoServices->decreaseReferenceCount();

    	mVideoServices = 0;

    }

    QList<VideoOperatorService *>::const_iterator iter = mVideoOperatorServices.constBegin();

    while(iter != mVideoOperatorServices.constEnd())

    {

        delete *iter;

        iter++;

    }

    mVideoOperatorServices.clear();

}

// ---------------------------------------------------------------------------

// initialize()

// ---------------------------------------------------------------------------

//

void VideoListToolbar::initialize()

{

    if (mUiUtils.isService())

    {

        INFO("VideoListToolbar::initialize() initializing service.");

        if (!mVideoServices)

        {

            mVideoServices = VideoServices::instance();

        }

    }

    else if(mVideoServices)

    {

        mVideoServices->decreaseReferenceCount();

        mVideoServices = 0;

    }

    createToolbarActions();

}

// ---------------------------------------------------------------------------

// viewStateChanged()

// ---------------------------------------------------------------------------

//

void VideoListToolbar::viewStateChanged(

    VideoCollectionCommon::TCollectionLevels currentLevel, 

    bool noVideos, bool modelReady)

{

    if(!mToolbarViewsActionGroup || !mToolbarCollectionActionGroup)

    {

        // not initialized yet.

        return;

    }

    if(currentLevel != mCurrentLevel)

    {

        QList<QAction*> newActions = mViewStateActions[currentLevel];

        QList<QAction*> oldActions = mViewStateActions[mCurrentLevel];

        mCurrentLevel = currentLevel;

        if(newActions != oldActions)

        {

            emit actionsChanged(newActions);

            if(mToolbarServiceExtension &&

                (mCurrentLevel == VideoCollectionCommon::ELevelCategory ||

                 mCurrentLevel == VideoCollectionCommon::ELevelVideos))

            {

                emit toolbarExtensionChanged(mToolbarServiceExtension);

            }

            // note don't need to clear the toolbar extension actions, as the 

            // actionsChanged signal should clear all previous actions.

        }

        if(mCurrentLevel == VideoCollectionCommon::ELevelVideos &&

           !mToolbarActions[ETBActionAllVideos]->isChecked())

        {

            mToolbarActions[ETBActionAllVideos]->setChecked(true);

        }

        else if(mCurrentLevel == VideoCollectionCommon::ELevelCategory &&

           !mToolbarActions[ETBActionCollections]->isChecked())

        {

            mToolbarActions[ETBActionCollections]->setChecked(true);

        }

    }

    if(!mVideoServices)

    {

        if(modelReady)

        {

            mToolbarActions[ETBActionAddVideos]->setVisible(true);

            mToolbarActions[ETBActionRemoveVideos]->setVisible(!noVideos);

        }

        else

        {

            mToolbarActions[ETBActionAddVideos]->setVisible(false);

            mToolbarActions[ETBActionRemoveVideos]->setVisible(false);

        }

    }

}

// ---------------------------------------------------------------------------

// createToolbarActions()

// Creates toolbar actions and toolbar icons

// ---------------------------------------------------------------------------

//

void VideoListToolbar::createToolbarActions()

{

	FUNC_LOG;

	// Create actiongroup and add all actions to it. This ensures that only one is

    // active at certain moment.

    if(!mToolbarViewsActionGroup && !mToolbarCollectionActionGroup)

    {

    	mToolbarViewsActionGroup = new QActionGroup(this);

        mToolbarCollectionActionGroup = new QActionGroup(this);

        // create toolbar item actions

        // All Videos tab

        mToolbarActions[ETBActionAllVideos] = createAction("qtg_mono_video",

                mToolbarViewsActionGroup, SIGNAL(allVideosActionTriggered()));

        // Collections tab

        mToolbarActions[ETBActionCollections] = createAction("qtg_mono_video_collection",

                mToolbarViewsActionGroup, SIGNAL(collectionViewActionTriggered()));

        if (!mVideoServices)

        {

			// Create services button or toolbar extension depending how many operator 

            // services are configured.

            createOperatorServicesToolbarActions();

			// Add Videos tab

			mToolbarActions[ETBActionAddVideos] = 

			        createAction("qtg_mono_add_to_video_collection",

					mToolbarCollectionActionGroup, SLOT(addVideosToCollectionSlot()));

			// Remove Videos tab

			mToolbarActions[ETBActionRemoveVideos] = 

			        createAction("qtg_mono_remove_from_video_collection",

					mToolbarCollectionActionGroup, SLOT(removeVideosFromCollectionSlot()));

        }

        // Collection view actions are not checkable

        mToolbarActions[ETBActionAllVideos]->setCheckable(true);

        mToolbarActions[ETBActionCollections]->setCheckable(true);

        if(!mVideoServices && mToolbarActions[ETBActionServices])

        {

        	mToolbarActions[ETBActionServices]->setCheckable(false);

        }

        mViewStateActions[VideoCollectionCommon::ELevelCategory] = mToolbarViewsActionGroup->actions();

        mViewStateActions[VideoCollectionCommon::ELevelVideos] = mToolbarViewsActionGroup->actions();

        if(!mVideoServices)

        {

            mViewStateActions[VideoCollectionCommon::ELevelAlbum] = mToolbarCollectionActionGroup->actions();

        }

    }

}

// ---------------------------------------------------------------------------

// createOperatorServicesToolbar()

// ---------------------------------------------------------------------------

//

void VideoListToolbar::createOperatorServicesToolbarActions()

{

    FUNC_LOG;

    if(mVideoOperatorServices.count() > 0)

    {

        return;

    }

    // Load services.

    loadOperatorService(KVideoCollectionViewCenrepServiceItem1Title, KVideoCollectionViewCenrepServiceItem1ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem1Url, KVideoCollectionViewCenrepServiceItem1Uid);

    loadOperatorService(KVideoCollectionViewCenrepServiceItem2Title, KVideoCollectionViewCenrepServiceItem2ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem2Url, KVideoCollectionViewCenrepServiceItem2Uid);

    loadOperatorService(KVideoCollectionViewCenrepServiceItem3Title, KVideoCollectionViewCenrepServiceItem3ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem3Url, KVideoCollectionViewCenrepServiceItem3Uid);

    loadOperatorService(KVideoCollectionViewCenrepServiceItem4Title, KVideoCollectionViewCenrepServiceItem4ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem4Url, KVideoCollectionViewCenrepServiceItem4Uid);

    loadOperatorService(KVideoCollectionViewCenrepServiceItem5Title, KVideoCollectionViewCenrepServiceItem5ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem5Url, KVideoCollectionViewCenrepServiceItem5Uid);

    loadOperatorService(KVideoCollectionViewCenrepServiceItem6Title, KVideoCollectionViewCenrepServiceItem6ToolbarIconPath, 

            KVideoCollectionViewCenrepServiceItem6Url, KVideoCollectionViewCenrepServiceItem6Uid);

    // Create toolbar extension when there's multiple services.

    if(mVideoOperatorServices.count() > 1 && !mToolbarServiceExtension)

    {

        mToolbarServiceExtension = new HbToolBarExtension();

        mToolbarServiceExtension->setObjectName(LIST_VIEW_OBJECT_NAME_TOOLBAR_EXTENSION);

        QList<VideoOperatorService *>::const_iterator iter = mVideoOperatorServices.constBegin();

        while(iter != mVideoOperatorServices.constEnd())

        {

            HbIcon icon((*iter)->iconResource());

            HbAction *action = mToolbarServiceExtension->addAction(icon, (*iter)->title(), 

                    (*iter), SLOT(launchService()));

            action->setObjectName((*iter)->title());

            iter++;

        }

    }

    // Add toolbar button when there's only one service.

    if(mVideoOperatorServices.count() == 1)

    {

        VideoOperatorService *service = mVideoOperatorServices[0];

        mToolbarActions[ETBActionServices] = createAction(service->iconResource(),

                mToolbarViewsActionGroup, 0 /*do not connect to any slot*/);

        connect(mToolbarActions[ETBActionServices], SIGNAL(triggered()), service, SLOT(launchService()));

    }

}

// ---------------------------------------------------------------------------

// loadOperatorService()

// ---------------------------------------------------------------------------

//

void VideoListToolbar::loadOperatorService(int titleKey, int iconKey, int uriKey, int uidKey)

{

    FUNC_LOG;

    VideoOperatorService *service = new VideoOperatorService();

    if(service->load(titleKey, iconKey, uriKey, uidKey))

    {

        mVideoOperatorServices.append(service);

    }

    else

    {

        // Load failed, delete service data.

        delete service;

    }

}

// -------------------------------------------------------------------------------------------------

// addVideosToCollectionSlot()

// -------------------------------------------------------------------------------------------------

//

void VideoListToolbar::addVideosToCollectionSlot()

{

    FUNC_LOG;

    VideoListWidget* currentList = mListView->getCurrentList();

    if(!currentList || !currentList->getModel())

    {

        return;

    }

    VideoListSelectionDialog *dialog =

        mUiLoader->findWidget<VideoListSelectionDialog>(

            DOCML_NAME_DIALOG);

    if (!dialog)

    {

        // fatal: no selection dialog

        return;

    }

    // do not proceed in case it already have same amount

    // of videos than all videos view.

    VideoListWidget *allVideos = mUiLoader->findWidget<VideoListWidget>(

                DOCML_NAME_VC_VIDEOLISTWIDGET);

    if(allVideos && allVideos->getModel())

    {

        int count = allVideos->getModel()->rowCount();

        if(count == currentList->getModel()->rowCount())

        {

            if(count)

            {

                QVariant emptyAdditional;

                mUiUtils.showStatusMsgSlot(

                        VideoCollectionCommon::statusAllVideosAlreadyInCollection,

                        emptyAdditional);

            }

            return;

        }  

    }

    TMPXItemId collectionId = currentList->getModel()->getOpenItem();

    dialog->setupContent(VideoListSelectionDialog::EAddToCollection, collectionId);

    dialog->exec();

}

// -------------------------------------------------------------------------------------------------

// removeVideosFromCollectionSlot()

// -------------------------------------------------------------------------------------------------

//

void VideoListToolbar::removeVideosFromCollectionSlot()

{

    FUNC_LOG;

    VideoListWidget* currentList = mListView->getCurrentList();

    if(!currentList || !currentList->getModel())

    {

        return;

    }

    // not allowed if for some reason current widget 

    // is all videos or collection or there are no items

    if(currentList->getLevel() != VideoCollectionCommon::ELevelAlbum ||

       !currentList->getModel()->rowCount())

    {

        return;

    }

    VideoListSelectionDialog *dialog =

            mUiLoader->findWidget<VideoListSelectionDialog>(

                        DOCML_NAME_DIALOG);

    if (!dialog)

    {

        ERROR(-1, "VideoListView::removeVideosFromCollectionSlot() failed to load selection dialog.");

        return;

    }

    TMPXItemId collectionId = currentList->getModel()->getOpenItem();

    if(collectionId != TMPXItemId::InvalidId() && collectionId.iId2 == KVcxMvcMediaTypeAlbum)

    {

        dialog->setupContent(VideoListSelectionDialog::ERemoveFromCollection, collectionId);

        dialog->exec();

    }

}

// ---------------------------------------------------------------------------

// createAction()

// ---------------------------------------------------------------------------

//

HbAction* VideoListToolbar::createAction(QString icon,

        QActionGroup* actionGroup, const char *slot)

{

	FUNC_LOG;

    HbAction* action = new HbAction(actionGroup);

    HbIcon hbIcon(icon);

    action->setIcon(hbIcon);

    if(slot)

    {

        if(!connect(action, SIGNAL(triggered()), this, slot)) {

            // actiongroup deletion deletes this also.

            // return 0 tells that there was a problem in creation to caller.

            delete action;

            return 0;

        }

    }

    return action;

}

// End of file