/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:   

*

*/

// INCLUDE FILES

#include <../bidi.h>

#include <aknutils.h>

#include <gulicon.h>

#include "WebPopupDrawer.h"

#include "WebView.h"

#include "WebCannedImages.h"

#include "BrCtl.h"

#include "StaticObjectsContainer.h"

// constants

const int KPopupTimeout = 5000 * 1000;

const int KBorderSize = 8;

const int KRowMargin = 5;

const int KIconMargin = 5;

const int KSpaceUnderneath = 30;

using namespace WebCore;

// ============================= LOCAL FUNCTIONS ===============================

TInt removePopupCallback( TAny* aPtr )

{

    static_cast<WebPopupDrawer*>(aPtr)->removePopup();

    return KErrNone;

}

// ============================ MEMBER FUNCTIONS ===============================

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

// WebPopupDrawer::NewL

// The two-phase Symbian constructor

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

//

WebPopupDrawer* WebPopupDrawer::NewL(WebView& webView, TPtrC& textToDraw, TRect& elRect )

{

    WebPopupDrawer* self = new (ELeave) WebPopupDrawer( webView, elRect  );

    CleanupStack::PushL(self);

    self->constructL(textToDraw);

    CleanupStack::Pop(); //self

    return self;

}

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

// WebPopupDrawer::WebPopupDrawer

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

WebPopupDrawer::WebPopupDrawer(WebView& webView, TRect& elRect )

: m_webView( webView ) , m_elRect(elRect)

{

}

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

// WebPopupDrawer::constructL

// The constructor that can contain code that might leave.

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

//

void WebPopupDrawer::constructL(TPtrC& textToDraw)

{

    if (textToDraw.Length() == 0)

    {

        User::Leave(KErrArgument);

    }

    m_textToDraw = textToDraw.AllocL();

    CleanupStack::PushL(m_textToDraw);

    m_removePopupPeriodic = CPeriodic::NewL( CActive::EPriorityLow );

    CleanupStack::PushL(m_removePopupPeriodic);

    m_removePopupPeriodic->Start( KPopupTimeout, 0, TCallBack( &removePopupCallback, this ) );

    sizeChangedL();

    constructSprite();

    CleanupStack::Pop(2, m_textToDraw); //m_removePopupPeriodic, m_textToDraw

}

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

// Destructor

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

WebPopupDrawer::~WebPopupDrawer()

{

    delete m_textToDraw;

    if (m_removePopupPeriodic)

    {

        m_removePopupPeriodic->Cancel();

        delete m_removePopupPeriodic;

    }

    delete m_lineWidthArray;

    delete m_wrappedArray;

    m_sprite.Close();

    delete m_spriteMaskBitmapDevice;

    delete m_spriteMaskBitmapContext;

    delete m_spriteMaskBitmap;

    delete m_icon;

    delete m_spriteBitmapDevice;

    delete m_spriteBitmapContext;

    delete m_spriteBitmap; 

}

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

// WebPopupDrawer::drawPopup

// Draw the popup.

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

//

void WebPopupDrawer::drawPopup()

{

    m_sprite.SetPosition(m_position);

}

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

// WebPopupDrawer::removePopup

// Stop displaying the popup.

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

//

void WebPopupDrawer::removePopup()

{

    m_webView.removePopup();

}

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

// WebPopupDrawer::sizeChangedL

// Recreate the bitmap to fit in the new size

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

//

void WebPopupDrawer::sizeChangedL()

{

    TRect rect(m_webView.Rect());

    if (rect != m_webViewRect)

    {

        if (rect.Width() > 0 && rect.Height() > 0)

        {

            m_webViewRect = rect;

            prepareTextL();

            createBitmapAndContextL();

        }

    }

}

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

// WebPopupDrawer::handleOfferKeyEventL

// Handles key events

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

//

TKeyResponse WebPopupDrawer::handleOfferKeyEventL( const TKeyEvent& /*aKeyEvent*/, TEventCode eventCode )

{

    if (eventCode == EEventKeyUp)

    {

        removePopup();

    }

    return EKeyWasConsumed;

}

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

// WebPopupDrawer::HandlePointerEventL

// Handles pointer events

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

//

void WebPopupDrawer::handlePointerEventL( const TPointerEvent& /*aPointerEvent*/)

{

    m_webView.IgnoreEventsUntilNextPointerUp();

    removePopup();

}

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

// WebPopupDrawer::prepareTextL

// Position and wrap the text called during construction and when the size of WebKit changes

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

//

void WebPopupDrawer::prepareTextL()

{

    delete m_lineWidthArray;

    m_lineWidthArray = NULL;

    delete m_wrappedArray;

    m_wrappedArray = NULL;

    TInt width = (8 * m_webViewRect.Width()) / 10 - 2 * KBorderSize;

    createIconIfNeededL();

    m_font = LatinBold16();

    m_lineWidthArray = new( ELeave ) CArrayFixFlat<TInt>(2);

    m_lineWidthArray->AppendL(width - m_icon->Bitmap()->SizeInPixels().iWidth - KIconMargin);

    TInt maxNumberOfRows = m_webViewRect.Height() / (m_font->HeightInPixels() + KRowMargin);

    TInt i;

    for (i = 1; i < maxNumberOfRows; i++) {

        m_lineWidthArray->AppendL(width);

    }

    m_wrappedArray = new( ELeave ) CArrayFixFlat<TPtrC>( 10 );

    AknTextUtils::WrapToArrayL( *m_textToDraw, *m_lineWidthArray, *m_font, *m_wrappedArray );

    TInt rowHeight( m_font->HeightInPixels() +  KRowMargin );

    m_size.iWidth = (8 * m_webViewRect.Width()) / 10;

    m_size.iHeight = (m_wrappedArray->Count() + 1 ) * rowHeight;

    if (m_size.iHeight + 2 * KSpaceUnderneath > m_webViewRect.Height()) {

        TInt toRemove((m_webViewRect.Height() - m_size.iHeight + 2 * KSpaceUnderneath + (rowHeight - 1)) / rowHeight);

        m_wrappedArray->Delete((m_wrappedArray->Count() - toRemove) / 2, toRemove);

        m_wrappedArray->Compress();

        m_size.iHeight = (m_wrappedArray->Count() + 1 ) * rowHeight;

    }

    m_position.iX = m_webViewRect.Width() / 10;

    if ( m_elRect.iBr.iY > 0 && m_elRect.iBr.iY < m_webViewRect.Height() &&

        m_webViewRect.Height() - m_elRect.iBr.iY - m_size.iHeight - KSpaceUnderneath >= 0) {

        m_position.iY = m_elRect.iBr.iY;

    }

    else if (m_size.iHeight + KSpaceUnderneath <= m_elRect.iTl.iY) {

        m_position.iY = m_elRect.iTl.iY - m_size.iHeight;

    }

    else {

        m_position.iY = (m_webViewRect.Height() - m_size.iHeight) / 2;// - KSpaceUnderneath;

    }

}

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

// WebPopupDrawer::CreateBitmapAndContextL

// Create bitmap and bitmap context

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

//

void WebPopupDrawer::createBitmapAndContextL()

{

    delete m_spriteBitmapDevice;

    m_spriteBitmapDevice = NULL;

    delete m_spriteBitmapContext;

    m_spriteBitmapContext = NULL;

    delete m_spriteBitmap;

    m_spriteBitmap = NULL;

    m_spriteBitmap = new (ELeave) CFbsBitmap;

    CleanupStack::PushL(m_spriteBitmap);

    User::LeaveIfError( m_spriteBitmap->Create( m_size, EColor16MA ) );

    m_spriteBitmapDevice = CFbsBitmapDevice::NewL( m_spriteBitmap );

    CleanupStack::PushL(m_spriteBitmapDevice);

    User::LeaveIfError( m_spriteBitmapDevice->CreateContext( m_spriteBitmapContext ) );

    //mask

    delete m_spriteMaskBitmapDevice;

    m_spriteMaskBitmapDevice = NULL;

    delete m_spriteMaskBitmapContext;

    m_spriteMaskBitmapContext = NULL;

    delete m_spriteMaskBitmap;

    m_spriteMaskBitmap = NULL;

    m_spriteMaskBitmap = new (ELeave) CFbsBitmap;

    CleanupStack::PushL(m_spriteMaskBitmap);

    User::LeaveIfError( m_spriteMaskBitmap->Create( m_size, EGray2 ) );

    m_spriteMaskBitmapDevice = CFbsBitmapDevice::NewL( m_spriteMaskBitmap );

    CleanupStack::PushL(m_spriteMaskBitmapDevice);

    User::LeaveIfError( m_spriteMaskBitmapDevice->CreateContext( m_spriteMaskBitmapContext ) );

    TRect r( TPoint( 0, 0 ), m_spriteMaskBitmap->SizeInPixels());

    m_spriteMaskBitmapContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

    m_spriteMaskBitmapContext->SetPenStyle( CGraphicsContext::ESolidPen );

    m_spriteMaskBitmapContext->SetBrushColor( TRgb( 0, 0, 0) );

    m_spriteMaskBitmapContext->SetPenColor( TRgb( 0, 0, 0) );

    m_spriteMaskBitmapContext->DrawRoundRect( r, TSize(KBorderSize * 2, KBorderSize * 2) );

    if( m_wrappedArray->Count() ) {

        TRect r( TPoint( 0, 0 ), m_spriteBitmap->SizeInPixels());

        m_spriteBitmapContext->SetBrushStyle( CGraphicsContext::ESolidBrush );

        m_spriteBitmapContext->SetPenStyle( CGraphicsContext::ESolidPen );

        m_spriteBitmapContext->SetBrushColor( TRgb( 0xFF, 0xFF, 0xdd) );

        m_spriteBitmapContext->SetPenColor( TRgb( 0, 0, 0) );

        m_spriteBitmapContext->DrawRoundRect( r, TSize(KBorderSize * 2, KBorderSize * 2) );

        m_spriteBitmapContext->UseFont( m_font );

        TInt rowHeight( m_font->HeightInPixels() +  KRowMargin );

        TInt x = KBorderSize;

        TInt y = KBorderSize + KRowMargin / 2;

        for( TInt i = 0; i < m_wrappedArray->Count(); i++, y += rowHeight ) {

            TPtrC text = (m_wrappedArray->At(i));           

            if (i == 0) {

                // draw icon

                m_spriteBitmapContext->BitBltMasked(TPoint(x, y - KRowMargin / 2), m_icon->Bitmap(),

                    TRect(TPoint(0, 0), m_icon->Bitmap()->SizeInPixels()), m_icon->Mask(), EFalse);

                m_spriteBitmapContext->DrawText( text, TPoint( x + m_icon->Bitmap()->SizeInPixels().iWidth + KIconMargin, y + rowHeight - m_font->DescentInPixels()) );

            }

            else {

                m_spriteBitmapContext->DrawText( text, TPoint( x, y + rowHeight - m_font->DescentInPixels()) );

            }

        }

        m_spriteBitmapContext->DiscardFont();

    }

    CleanupStack::Pop(4, m_spriteBitmap);

}

void WebPopupDrawer::constructSprite()

{        

    m_sprite = RWsSprite(m_webView.brCtl()->CCoeControlParent()->ControlEnv()->WsSession());

    m_sprite.Construct(m_webView.brCtl()->CCoeControlParent()->ControlEnv()->RootWin(), m_position,ESpriteNoChildClip);

    TSpriteMember spriteMem;

    spriteMem.iBitmap = m_spriteBitmap;

    spriteMem.iMaskBitmap = m_spriteMaskBitmap;

    spriteMem.iInvertMask = ETrue;

    m_sprite.AppendMember(spriteMem);

    m_sprite.Activate();

}

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

// WebPopupDrawer::createIconIfNeededL

// Determine which icon to load and load it

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

//

void WebPopupDrawer::createIconIfNeededL()

{

    if (m_icon == NULL) {

        _LIT(KHttpScheme, "http");

        _LIT(KHttpsScheme, "https");

        _LIT(KFileScheme, "file");

        _LIT(KMailToScheme, "mailto");

        _LIT(KTelScheme, "tel");

        _LIT(KRtspScheme, "rtsp");

        _LIT(KMmstoScheme, "mmsto");

        _LIT(KSmsScheme, "sms");

        WebCannedImages::TCannedImageNames imageType = WebCannedImages::EImageUrlPage;

        TInt i = m_textToDraw->Locate(':');

        if (i != KErrNotFound) {

            TPtrC schemePtr(m_textToDraw->Ptr(), i);

            if (KHttpScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlPage;

            }

            else if (KHttpsScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlPage;

            }

            else if (KFileScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlPage;

            }

            else if (KMailToScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlEmail;

            }

            else if (KTelScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlCall;

            }

            else if (KRtspScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlMm;

            }

            else if (KMmstoScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlMms;

            }

            else if (KSmsScheme().CompareF(schemePtr) == 0) {

                imageType = WebCannedImages::EImageUrlEmail;

            }

        }

        TCannedImageData cannedImage = StaticObjectsContainer::instance()->webCannedImages()->getImage(imageType);

        if (cannedImage.m_msk) {

            m_icon = CGulIcon::NewL(cannedImage.m_img, cannedImage.m_msk);

        }

        else {

            m_icon = CGulIcon::NewL(cannedImage.m_img);

        }

    }

}

//  End of File