/*

 * 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>

#include <HbMenu>

#include <HbAction>

#include <HbAbstractViewItem>

#include <HbIndexFeedback>

#include <HbListView>

#include <HbScrollBar>

#include <HbView>

#include <cadefs.h>

#include <caentry.h>

#include <caitemmodel.h>

#include <caservice.h>

#include "hsapp_defs.h"

#include "hsmenueventfactory.h"

#include "hsmenuitemmodel.h"

#include "hsallappsstate.h"

#include "hsmenumodewrapper.h"

#include "hsmenuviewbuilder.h"

#include "hsmainwindow.h"

/*!

 \class HsAllAppsState

 \ingroup group_hsmenustateplugin

 \brief All Applications State.

 Displays all applications present on the device in a sorted list.

 \lib ?library

 \see StateMachine

 */

/*!

 \var HsAllAppsState::mSortAttribute

 Sort order

 */

/*!

 Constructor.

 \param menuViewBuilder Menu view builder.

 \param menuMode Menu mode object(add mode on/add mode off).

 \param mainWindow Main window wrapper.

 \param parent Owner.

 */

HsAllAppsState::HsAllAppsState(HsMenuViewBuilder &menuViewBuilder,

                               HsMenuModeWrapper &menuMode,

                               HsMainWindow &mainWindow,

                               QState *parent) :

    HsBaseViewState(mainWindow, menuMode, parent),

    mSortAttribute(AscendingNameHsSortAttribute)

{

    initialize(menuViewBuilder, HsAllAppsContext);

    construct();

}

/*!

 Constructs contained objects.

 */

void HsAllAppsState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::construct");

    defineTransitions();

    const QString parentName =

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

    setObjectName(parentName + "/allappsstate");

    connect(mBackKeyAction, SIGNAL(triggered()), SIGNAL(toAppLibraryState()));

    mModel = HsMenuService::getAllApplicationsModel(mSortAttribute);

    mMenuView->setModel(mModel);

    mMenuView->listView()->verticalScrollBar()->setInteractive(true);

    HbIndexFeedback *indexFeedback = new HbIndexFeedback(mMenuView->view());

    indexFeedback->setIndexFeedbackPolicy(HbIndexFeedback::IndexFeedbackSingleCharacter);

    indexFeedback->setItemView(mMenuView->listView());

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::construct");

}

/*!

 Creates and installs menu options for the view

 */

void HsAllAppsState::setMenuOptions()

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::setMenuOptions");

    QScopedPointer<HbMenu> viewOptions(new HbMenu);

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

                           static_cast<HsBaseViewState*>(this), SLOT(openTaskSwitcher()));

    viewOptions->addAction(hbTrId("txt_applib_opt_add_to_collection"),

                           this, SLOT(addToCollection()));

    viewOptions->addAction(hbTrId("txt_applib_opt_check_software_updates"),

                           static_cast<HsBaseViewState*>(this), SLOT(checkSoftwareUpdates()));

    HbMenu *const sortMenu = viewOptions->addMenu(hbTrId(

                                 "txt_applib_opt_sort_by"));

    //Grouped options are exclusive by default.

    QActionGroup *sortGroup = new QActionGroup(viewOptions.data());

    sortGroup->addAction(

        sortMenu->addAction(hbTrId("txt_applib_opt_sub_ascending"),

                            this, SLOT(ascendingMenuAction())));

    sortGroup->addAction(

        sortMenu->addAction(hbTrId("txt_applib_opt_sub_descending"),

                            this, SLOT(descendingMenuAction())));

    viewOptions->addAction(hbTrId("txt_applib_subtitle_installed"),

                           this, SLOT(openInstalledView()));

    foreach(QAction *action, sortMenu->actions()) {

        action->setCheckable(true);

    }

    int currentSortingPosition(-1);

    switch (mSortAttribute) {

    case AscendingNameHsSortAttribute:

        currentSortingPosition = 0;

        break;

    case DescendingNameHsSortAttribute:

        currentSortingPosition = 1;

        break;

    default:

        break;

    }

    if (currentSortingPosition >= 0) {

        sortGroup->actions().at(currentSortingPosition)->setChecked(true);

    }

    mMenuView->view()->setMenu(viewOptions.take());

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::setMenuOptions");

}

/*!

 Destructor.

 */

HsAllAppsState::~HsAllAppsState()

{

}

/*!

 Slot invoked when add mode entered.

 */

void HsAllAppsState::normalModeEntered()

{

    HsBaseViewState::normalModeEntered();

    connect(mMenuView.data(),

            SIGNAL(activated(QModelIndex)),

            static_cast<HsBaseViewState*>(this), SLOT(launchItem(QModelIndex)));

}

/*!

 Slot invoked when a state is exited.

 */

void HsAllAppsState::stateExited()

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::stateExited");

    HsBaseViewState::stateExited();

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::stateExited");

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

}

/*!

 Slot connected to List widget in add mode.

 \param index Model index of the activated item.

 */

void HsAllAppsState::addActivated(const QModelIndex &index)

{

    mMenuView->disconnect(this);

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::addActivated");

    addToHomeScreen(index);

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::addActivated");

}

/*!

 Handles context menu actions

 */

void HsAllAppsState::contextMenuAction(HbAction *action)

{

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

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

    switch (command) {

        case AddToHomeScreenContextAction:

            addToHomeScreen(mContextModelIndex);

            break;

        case AddToCollectionContextAction:

            // Addding a specific application to

            // an existing collection via item specific menu.

            machine()->postEvent(

                HsMenuEventFactory::createAddAppsFromApplicationsViewEvent(

                    mSortAttribute, itemId));

            break;

        case UninstallContextAction:

            machine()->postEvent(

                HsMenuEventFactory::createUninstallApplicationEvent(itemId));

            break;

            machine()->postEvent(

                HsMenuEventFactory::createAppSettingsViewEvent(itemId));

            break;

            machine()->postEvent(

                HsMenuEventFactory::createAppDetailsViewEvent(itemId));

        default:

            break;

    }

}

/*!

 Slot connected to List widget in add mode.

 Called when item long pressed.

 \param item View item.

 \param coords Press point coordinates.

 */

void HsAllAppsState::addLongPressed(HbAbstractViewItem *item,

                                    const QPointF &coords)

{

    Q_UNUSED(coords);

    mMenuView->disconnect(this);

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::addLongPressed");

    addToHomeScreen(item->modelIndex());

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::addLongPressed");

}

/*!

  Slot called when application is adding to collection.

 */

void HsAllAppsState::addToCollection()

{

    // Add one/many applications to

    // a new/an existing collection via the All view

    machine()->postEvent(

        HsMenuEventFactory::createAddAppsFromApplicationsViewEvent(

            mSortAttribute));

}

/*!

 Triggers event so that a installed applications state is entered.

 \retval void

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsAllAppsState::openInstalledView()

{

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

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Triggers event so that a state adding to Home Screen is reached

 \param index of an item to be added to homescreen.

 \retval void

 */

void HsAllAppsState::addToHomeScreen(const QModelIndex &index)

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::addToHomeScreen");

    QSharedPointer<const CaEntry> entry = mModel->entry(index);

    machine()-> postEvent(HsMenuEventFactory::createAddToHomeScreenEvent(

                              entry->id(), mMenuMode->getHsMenuMode(),

                              mMenuMode->getHsToken()));

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::addToHomeScreen");

}

/*!

 Method seting context menu options.

 */

void HsAllAppsState::setContextMenuOptions(HbAbstractViewItem *item, EntryFlags flags)

{

    HbAction *addToHomeScreenAction = mContextMenu->addAction(

        hbTrId("txt_applib_menu_add_to_home_screen"));

    addToHomeScreenAction->setData(AddToHomeScreenContextAction);

    HbAction *addToCollectionAction = mContextMenu->addAction(

        hbTrId("txt_applib_menu_add_to_collection"));

    addToCollectionAction->setData(AddToCollectionContextAction);

    HbAction *uninstallAction = mContextMenu->addAction(

        hbTrId("txt_common_menu_delete"));

    uninstallAction->setData(UninstallContextAction);

    HbAction *appSettingsAction(NULL);

    HbAction *appDetailsAction(NULL);

    // check conditions and hide irrelevant menu items

    QSharedPointer<const CaEntry> entry = mModel->entry(item->modelIndex());

    if (!(entry->attribute(appSettingsPlugin()).isEmpty())) {

        appSettingsAction = mContextMenu->addAction(

            hbTrId("txt_common_menu_settings"));

        appSettingsAction->setData(AppSettingContextAction);

    }

    if (!(entry->attribute(componentIdAttributeName()).isEmpty()) &&

            (flags & RemovableEntryFlag) ) {

        appDetailsAction = mContextMenu->addAction(

            hbTrId("txt_common_menu_details"));

        appDetailsAction->setData(AppDetailsContextAction);

    }

    if (!(flags & RemovableEntryFlag)) {

        uninstallAction->setVisible(false);

    }

}

/*!

  Menu ascending sort action slot.

 */

void HsAllAppsState::ascendingMenuAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::ascendingMenuAction");

    mSortAttribute = AscendingNameHsSortAttribute;

    mModel->setSort(mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::ascendingMenuAction");

}

/*!

 Menu descending sort action slot.

 */

void HsAllAppsState::descendingMenuAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAllAppsState::descendingMenuAction");

    mSortAttribute = DescendingNameHsSortAttribute;

    mModel->setSort(mSortAttribute);

    HSMENUTEST_FUNC_EXIT("HsAllAppsState::descendingMenuAction");

}