/*

 * 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: Menu All Applications state.

 *

 */

#include <qstatemachine.h>

#include <HbGroupBox>

#include <hbview.h>

#include <hblistview.h>

#include <hbaction.h>

#include <hbmenu.h>

#include <hbabstractviewitem.h>

#include <hsmenueventfactory.h>

#include <hbinstance.h>

#include <caentry.h>

#include <hbsearchpanel.h>

#include "hsmenuitemmodel.h"

#include "hsmenuviewbuilder.h"

#include "cadefs.h"

#include "hsinstalledappsstate.h"

#include "hsaddappstocollectionstate.h"

#include "hsapp_defs.h"

#include "hsmenumodetransition.h"

#include "hsmainwindow.h"

/*!

 \class HsInstalledAppsState

 \ingroup group_hsapplibrarystateplugin

 \brief Manages displaying installed applications

 Displays all installed packages present on the device.

 \see StateMachine

 \lib ?library

 */

/*!

 \var HsInstalledAppsState::mMenuView

 The View widget.

 Own.

 */

/*!

 \var HsInstalledAppsState::mInstalledAppsModel

 Item Model for the List.

 Own.

 */

/*!

 \var HsInstalledAppsState::mSecondarySoftkeyAction

 Secondary Softkey action.

 Backstepping functionality.

 Own.

 */

/*!

 \var HsInstalledAppsState::mOldNavigationAction

 Old navigation icon.

 Not own.

 */

/*!

 Constructor.

 \param menuViewBuilder Menu view builder.

 \param parent Owner.

 */

HsInstalledAppsState::HsInstalledAppsState(HsMenuViewBuilder &menuViewBuilder,

        HsMainWindow &mainWindow,

        QState *parent):

    QState(parent),

    mMenuView(menuViewBuilder, HsInstalledAppsContext),

    mInstalledAppsModel(0),

    mSecondarySoftkeyAction(new HbAction(Hb::BackNaviAction, this)),

    mMainWindow(mainWindow),

    mContextModelIndex(),mContextMenu(0)

{

    construct();

}

/*!

 Constructor part.

 */

void HsInstalledAppsState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsInstalledAppsState::construct");

    const QString parentName =

        parent() != 0 ? parent()->objectName() : QString("");

    setObjectName(parentName + "/installedappsstate");

    connect(this, SIGNAL(entered()),SLOT(stateEntered()));

    connect(this, SIGNAL(exited()),SLOT(stateExited()));

    connect(mSecondarySoftkeyAction, SIGNAL(triggered()),

            SLOT(backAction()));

    mMenuView.view()->

    setNavigationAction(mSecondarySoftkeyAction);

    setMenuOptions();

    HSMENUTEST_FUNC_EXIT("HsInstalledAppsState::construct");

}

/*!

 Method seting menu options.

 */

void HsInstalledAppsState::setMenuOptions()

{

    HSMENUTEST_FUNC_ENTRY("HsInstalledAppsState::setMenuOptions");

    HbMenu *const mOptions = new HbMenu();

    mOptions->setParent(this);

    mOptions->addAction(hbTrId("txt_applib_opt_task_switcher"),

                        this, SLOT(openTaskSwitcher()));

    mMenuView.view()->setMenu(mOptions);

    HSMENUTEST_FUNC_EXIT("HsInstalledAppsState::setMenuOptions");

}

/*!

 Destructor.

 */

HsInstalledAppsState::~HsInstalledAppsState()

{

    mMenuView.inactivate();

    mMenuView.setModel(NULL);

    mMenuView.view()->setNavigationAction(NULL);

    delete mInstalledAppsModel;

}

/*!

 Slot connected to entered() signal.

 Invoked when a state is entered.

 */

void HsInstalledAppsState::stateEntered()

{

    qDebug("AllAppsState::stateEntered()");

    HSMENUTEST_FUNC_ENTRY("HsInstalledAppsState::stateEntered");

    mMainWindow.setCurrentView(mMenuView);

    mMenuView.activate();

    if (!mInstalledAppsModel) {

        mInstalledAppsModel

        = HsMenuService::getInstalledModel(AscendingNameHsSortAttribute);

        mMenuView.setModel(mInstalledAppsModel);

    }

    if (mInstalledAppsModel->rowCount() == 0){

        mMenuView.setContext(HsInstalledAppsContext,HsEmptyLabelContext);

        }

    mMenuView.listView()->scrollTo(

        mInstalledAppsModel->index(0));

    connect(&mMenuView,

            SIGNAL(activated(QModelIndex)),

            SLOT(listItemActivated(QModelIndex)));

    connect(&mMenuView,

            SIGNAL(longPressed(HbAbstractViewItem *, QPointF)),

            SLOT(listItemLongPressed(HbAbstractViewItem *, QPointF)));

    connect(mInstalledAppsModel, SIGNAL(empty(bool)),this,

            SLOT(setEmptyLabelVisibility(bool)));

    mMenuView.viewLabel()->setHeading(

        hbTrId("txt_applib_subtitle_installed"));

    HSMENUTEST_FUNC_EXIT("HsInstalledAppsState::stateEntered");

}

/*!

 Slot invoked when a state is exited.

 */

void HsInstalledAppsState::stateExited()

{

    HSMENUTEST_FUNC_ENTRY("HsInstalledAppsState::stateExited");

    disconnect(mInstalledAppsModel, SIGNAL(empty(bool)),this,

               SLOT(setEmptyLabelVisibility(bool)));

    mMenuView.setSearchPanelVisible(false);

    mMenuView.inactivate();

    if (mContextMenu)

        mContextMenu->close();

    HSMENUTEST_FUNC_EXIT("HsInstalledAppsState::stateExited");

    qDebug("AllAppsState::stateExited()");

}

/*!

 Handles button visibility

 */

void HsInstalledAppsState::setEmptyLabelVisibility(bool visibility)

{

    if(visibility){

        mMenuView.setContext(HsInstalledAppsContext,HsEmptyLabelContext);

    } else {

        mMenuView.setContext(HsInstalledAppsContext,HsItemViewContext);

    }

}

/*!

 Open task switcher.

 \retval true if operation is successful.

 */

bool HsInstalledAppsState::openTaskSwitcher()

{

    return HsMenuService::launchTaskSwitcher();

}

/*!

 Method invoked when a list item is activated.

 \param index indec of activated item.

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsInstalledAppsState::listItemActivated(const QModelIndex &/*index*/)

{

    //no implementation yet

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Handles long-item-pressed event in all apps view by showing context menu

 \param item the event pertains to

 \param coords press point coordinates.

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsInstalledAppsState::listItemLongPressed(HbAbstractViewItem *item,

        const QPointF &coords)

{

    HSMENUTEST_FUNC_ENTRY("HsInstalledAppsState::listItemLongPressed");

    EntryFlags flags = item->modelIndex().data(

                           CaItemModel::FlagsRole).value<EntryFlags> ();

    HSMENUTEST_FUNC_EXIT("HsInstalledAppsState::listItemLongPressed");

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Handles context menu actions

 */

void HsInstalledAppsState::contextMenuAction(HbAction *action)

{    

    HsContextAction command = 

            static_cast<HsContextAction>(action->data().toInt());

    const int itemId = mContextModelIndex.data(CaItemModel::IdRole).toInt();

    switch (command) {

        case UninstallContextAction:

            machine()->postEvent(

                HsMenuEventFactory::createUninstallApplicationEvent(

                    itemId));

            break;

        case AppDetailsContextAction: 

            machine()->postEvent(

                HsMenuEventFactory::createAppDetailsViewEvent(itemId));

            break;            

        default:

            break;            

    }

    mMenuView.setSearchPanelVisible(false);

}

/*!

 Slot invoked when a back action is triggered.

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsInstalledAppsState::backAction()

{

    machine()->postEvent(HsMenuEventFactory::createOpenAppLibraryEvent());

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT