/*******************************************************************************

 * Copyright (c) 2009, 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - initial implementation

 *******************************************************************************/

#include <QPaintEvent>

#ifdef __SYMBIAN32__

#if QT_VERSION >= 0x040600

#include <QSymbianEvent>

#endif

#endif

#include <org_eclipse_swt_internal_qt_OS.h>

#include "swtapplication.h"

#include "jniutils.h"

#include "swtfontcache.h"

#include "swt.h"

#include "swtlog.h"

#ifdef __SYMBIAN32__

#include "swts60.h"

#endif

using namespace Java::eSWT;

SwtApplication::SwtApplication(int &argc, char **argv, JniUtils* aJniUtils, int version)

    : 

#ifdef __SYMBIAN32__

        QApplication(SymbianUtils::NewApplication, argc, argv, version), iMobileDevice(NULL)

#else

        QApplication(argc, argv, version)

#endif

        , mJniUtils(aJniUtils)

    {

    SWT_LOG_FUNC_CALL();

    mFontCache = new SwtFontCache();

    mStartTime = QTime::currentTime();

    }

SwtApplication::~SwtApplication()

    {

    SWT_LOG_FUNC_CALL();

    delete mFontCache;

    mFontCache = NULL;

    }

bool SwtApplication::notify(QObject* aObj, QEvent* aEvent)

    {

    SWT_LOG_FUNC_CALL();

    // QApplication::notify will offer the event to the application event filters.

    // If they don't consume the event then it will be offered to the object event

    // filters. If they don't consume the event then it will be offered to the

    // QObject::event.

    bool consumed = QApplication::notify(aObj, aEvent);

    // Note that consumed == true might mean any of these:

    // 1. Event was cancelled in the application event filters

    // 2. Event was cancelled in the object event filters

    // 3. Event was passed to the QObject which consumed it normally

    // We don't check what happened here but call Java paint listeners always.

    // This means that if the event is cancelled by the application filter then

    // object filters and passing to the QWidget are skipped but Java paint

    // event is still sent.

    switch ( aEvent->type() )

        {

        // Some widgets (at least QTextEdit) are not painting fully when

        // receiving a paint event. Some have a weird system of object

        // event filters on other widgets that trigger the painting. For that

        // reason it's not enough to offer the paint event to QWidget::event()

        // but all paint events must be offered also to the object event

        // filters. Thus, here is the correct place where all painting has

        // been done by QWidget and Java content can be painted on top.

        case QEvent::Paint:

            {

            QPaintEvent* paintEvent = static_cast<QPaintEvent*>(aEvent);

            const QRect rect = paintEvent->rect();

            const QRegion* region = &(paintEvent->region());

            // Made up event after QWidget has painted, Java paints here

            mJniUtils->eventProcess(aObj, org_eclipse_swt_internal_qt_OS_QSWTEVENT_WIDGETPAINTED, rect.x(),

                rect.y(), rect.width(), rect.height(),

                reinterpret_cast<int> (region));

            break;

            }

        case QEvent::Resize:

            {

            QResizeEvent* event = static_cast<QResizeEvent*>(aEvent);

            const QSize& size = event->size();

            const QSize& oldSize = event->oldSize();

            mJniUtils->eventProcess(aObj, org_eclipse_swt_internal_qt_OS_QSWTEVENT_WIDGETRESIZED, oldSize.width(), oldSize.height(), size.width(), size.height());

            break;

            }

        case QEvent::Move:

            {

            mJniUtils->eventProcess(aObj, org_eclipse_swt_internal_qt_OS_QSWTEVENT_WIDGETMOVED);

            break;

            }

        case QEvent::ApplicationActivate:

            {

#ifdef __SYMBIAN32__

            if(iMobileDevice)

                {

                iMobileDevice->AppForeground();

                }

#endif

            break;

            }

        default:

            break;

        }

    return consumed;

    }

int SwtApplication::initializeMobileDevice()

    {

    SWT_LOG_FUNC_CALL();

    int handle = 0;

#ifdef __SYMBIAN32__

   handle = reinterpret_cast<int>(CSwtMobileDevice::NewL());

#endif

    return handle;

    }

void SwtApplication::destroyMobileDevice()

    {

    SWT_LOG_FUNC_CALL();

#ifdef __SYMBIAN32__

    if(iMobileDevice)

        {

        delete iMobileDevice;

        iMobileDevice = NULL;

        }

#endif    

    }

int SwtApplication::eventTime()

    {

    SWT_LOG_FUNC_CALL();

    return mStartTime.elapsed();

    }

void SwtApplication::addDeferredEvent(QObject* aReceiver, QEvent* aEvent)

    {

    SWT_LOG_FUNC_CALL();

    mDeferredEvents.append(new SwtDeferredQEvent(aReceiver, aEvent));

    }

void SwtApplication::postDeferredEvents()

    {

    SWT_LOG_FUNC_CALL();

    const int size = mDeferredEvents.size();

    for(int i = 0; i < size; ++i)

        {

        SwtDeferredQEvent* const& eventContainer = mDeferredEvents.at(i);

        postEvent(eventContainer->mReceiver, eventContainer->mEvent);

        delete eventContainer;

        }

    if(size)

        {

        mDeferredEvents.erase(mDeferredEvents.begin(), mDeferredEvents.end());

        }

    }

#ifdef __SYMBIAN32__

#if QT_VERSION >= 0x040600

bool SwtApplication::symbianEventFilter(const QSymbianEvent* aEvent)

    {

    if(aEvent->type()== QSymbianEvent::ResourceChangeEvent) 

        {

        return SymbianUtils::eventFilter(this, aEvent->resourceChangeType(), -1);

        }

    const TWsEvent* wsEvent = aEvent->windowServerEvent(); 

    if(wsEvent)

        {

        return SymbianUtils::eventFilter(this, wsEvent);

        }

    return false;

    }

#else

bool SwtApplication::s60EventFilter(TWsEvent* aEvent)

    {

    return SymbianUtils::eventFilter(this, aEvent);

    }

#endif

#endif