/*

* 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: Interface to HbDocumentLoader (DocML files).

*

*/

#include <QtCore>

#include <hbstyle.h>

#include <hbdocumentloader.h>

#include <hbframeitem.h>

#include "bubblewidgetmanager.h"

#include "bubblecontainerwidget.h"

#include "bubbleimagewidget.h"

#include "bubbleheadingwidget.h"

#include "bubbleexpandedhandler.h"

#include "bubblecollapsedhandler.h"

#include "bubbleconferencehandler.h"

#include "bubbleparticipantlistitem.h"

#include "bubblebutton.h"

#include "hbtextitem.h"

const char *BUBBLE_DOCUMENT_CONTENT = "content";

// document loader

class BubbleDocumentLoader : public HbDocumentLoader

{

public:

    BubbleDocumentLoader(BubbleImageManager& imageManager);

    virtual QObject *createObject(const QString& type,

                                  const QString &name);

private:

    BubbleImageManager& mImageManager;

};

BubbleWidgetManager::BubbleWidgetManager(

    BubbleImageManager& imageManager, QObject* parent)

    : QObject(parent), mImageManager(imageManager),

      mOrientation(Qt::Vertical)

{

    // .docml mappings

    mFileNames.insert(SingleCallView,":/xml/bubble_layout_1.docml");

    mFileNames.insert(TwoCallsView,  ":/xml/bubble_layout_2.docml");

    mFileNames.insert(ThreeCallsView,":/xml/bubble_layout_3.docml");

    mFileNames.insert(ConferenceView,":/xml/bubble_layout_4.docml");

    mFileNames.insert(MutedOverlay,  ":/xml/bubble_layout_5.docml");

    mOrientationName.insert(Qt::Vertical,   "portrait");

    mOrientationName.insert(Qt::Horizontal, "landscape");

    mWidgetPrefix.insert(ExpandedBubble, "eb:");

    mWidgetPrefix.insert(CollapsedBubble,    "cb:");

    mWidgetPrefix.insert(CollapsedBubble2,    "cb2:");

    mContainerName.insert(ExpandedBubble, "expandedBubble");

    mContainerName.insert(CollapsedBubble,   "collapsedBubble");

    mContainerName.insert(CollapsedBubble2,   "collapsedBubble2");

    mWidgetName.insert(Heading,        "bubbleHeading");

    mWidgetName.insert(Image,          "callImage");

    mWidgetName.insert(LeftButton,     "leftButton");

    mWidgetName.insert(CenterButton,   "centerButton");

    mWidgetName.insert(RightButton,    "rightButton");

    mWidgetName.insert(ConferenceTimer,"callTimer");

    mWidgetName.insert(ParticipantList,"participantList");

    mWidgetName.insert(MutedIcon,      "mutedIcon");

}

BubbleWidgetManager::~BubbleWidgetManager()

{

    qDeleteAll(mDocumentLoaders);

    mDocumentLoaders.clear();

    QList<int> keys = mDocumentHandlers.keys();

    foreach (int key, keys) {

        qDeleteAll(*mDocumentHandlers[key]);

    }

    qDeleteAll(mDocumentHandlers);

    mDocumentHandlers.clear();

}

QGraphicsWidget* BubbleWidgetManager::view(View view)

{

    if (mDocumentContent.contains(view)) {

        // already loaded

        return mDocumentContent[view];

    } else {

        // load from .docml

        return loadDocument(view,mOrientation);

    }

}

void BubbleWidgetManager::releaseView(View view)

{

    Q_UNUSED(view)

}

QGraphicsWidget* BubbleWidgetManager::loadDocument(

    View view,

    Qt::Orientation orientation)

{

    BubbleDocumentLoader* loader =

        new BubbleDocumentLoader(mImageManager);

    bool ok;

    loader->load(mFileNames[view],&ok);

    Q_ASSERT(ok);

    loader->load(mFileNames[view],mOrientationName[orientation],&ok);

    Q_ASSERT(ok);

    mDocumentLoaders.insert(view,loader);

    QGraphicsWidget* widget =

        mDocumentLoaders[view]->findWidget(BUBBLE_DOCUMENT_CONTENT);

    Q_ASSERT(widget);

    widget->setVisible(false);

    mDocumentContent.insert(view,widget);

    if (view!=MutedOverlay) {

        createDocumentHandlers(view);

    }

    applyCustomStyles(view);

    return widget;

}

void BubbleWidgetManager::applyCustomStyles(View view)

{

    setBackground(widget(view,None,MutedIcon));

}

void BubbleWidgetManager::setBackground(QGraphicsWidget* widget)

{

    HbWidget* w;

    w = qobject_cast<HbWidget*>(widget);

    if (w) {

        HbFrameItem* item =

            new HbFrameItem("qtg_fr_popup_trans",HbFrameDrawer::NinePieces);

        w->setBackgroundItem(item); // takes ownership

    }

}

void BubbleWidgetManager::createDocumentHandlers(View view)

{

    Q_ASSERT(mDocumentLoaders.contains(view));

    QList<BubbleHandler*>* handlers = new QList<BubbleHandler*>;

    if (mDocumentLoaders[view]->findWidget(mContainerName[ExpandedBubble]) ) {

        if (view==ConferenceView) {

            BubbleConferenceHandler* handler =

                new BubbleConferenceHandler(*this,view,ExpandedBubble);

            handlers->append(handler);

        } else {

            BubbleExpandedHandler* handler =

                new BubbleExpandedHandler(*this,view,ExpandedBubble);

            handlers->append(handler);

        }

    }

    if (mDocumentLoaders[view]->findWidget(mContainerName[CollapsedBubble]) ) {

        BubbleCollapsedHandler* handler =

            new BubbleCollapsedHandler(*this,view,CollapsedBubble);

        handlers->append(handler);

    }

    if (mDocumentLoaders[view]->findWidget(mContainerName[CollapsedBubble2]) ) {

        BubbleCollapsedHandler* handler =

            new BubbleCollapsedHandler(*this,view,CollapsedBubble2);

        handlers->append(handler);

    }

    mDocumentHandlers.insert(view,handlers);

}

QGraphicsWidget* BubbleWidgetManager::container(

    View view,

    Container container) const

{

    QGraphicsWidget* w=0;

    if (mDocumentLoaders.contains(view)) {

        w = mDocumentLoaders.value(view)->findWidget(

            mContainerName[container]);

    }

    return w;

}

QGraphicsWidget* BubbleWidgetManager::widget(

    View view,

    Container container,

    Widget widget ) const

{

    QGraphicsWidget* w=0;

    if (mDocumentLoaders.contains(view)) {

        QString name;

        name.append(mWidgetPrefix.value(container));

        name.append(mWidgetName.value(widget));

        w = mDocumentLoaders.value(view)->findWidget(name);

    }

    return w;

}

QList<BubbleHandler*>* BubbleWidgetManager::handlers(

    QGraphicsWidget* widget) const

{

    int doc = mDocumentContent.key(widget);

    return mDocumentHandlers[doc];

}

void BubbleWidgetManager::handleOrientationChange(

    Qt::Orientation orientation)

{

    if (mOrientation!=orientation) {

        bool ok;

        QList<int> docs = mDocumentLoaders.keys();

        foreach (int doc, docs) {

            mDocumentLoaders[doc]->load(

                mFileNames[doc],mOrientationName.value(orientation),&ok);

            Q_ASSERT(ok);

        }

        mOrientation = orientation;

    }

}

QGraphicsWidget* BubbleWidgetManager::createParticipantListItem()

{

    return new BubbleParticipantListItem();

}

// custom widget loading

BubbleDocumentLoader::BubbleDocumentLoader(BubbleImageManager& imageManager)

    : mImageManager(imageManager)

{

}

QObject *BubbleDocumentLoader::createObject(

    const QString& type,

    const QString &name)

{

    if ( type == BubbleContainerWidget::staticMetaObject.className() ) {

        QObject *object = new BubbleContainerWidget();

        object->setObjectName(name);

        return object;

    }

    if ( type == BubbleImageWidget::staticMetaObject.className() ) {

        QObject *object = new BubbleImageWidget(mImageManager);

        object->setObjectName(name);

        return object;

    }

    if ( type == BubbleHeadingWidget::staticMetaObject.className() ) {

        QObject *object = new BubbleHeadingWidget();

        object->setObjectName(name);

        return object;

    }

    if ( type == BubbleButton::staticMetaObject.className() ) {

        QObject *object = new BubbleButton;

        object->setObjectName(name);

        return object;

    }

    return HbDocumentLoader::createObject(type, name);

}