/*

* 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:  Interface to Browser for handling embedded video requests.

*

*/

// INCLUDE FILES

#include <BrowserAudioVideoPlugin.rsg>

#include <StringLoader.h>

#include <data_caging_path_literals.hrh>

#include <bautils.h>

#include "BavpLogger.h"

#include "BavpPlugin.h"

#include "BavpView.h"

#include "BavpControllerAudio.h"

#include "BavpControllerVideo.h"

#include <npscript.h>

using namespace RT_GestureHelper;

// CONSTANTS

_LIT( KBrowserAVPluginRscFileZ, "z:BrowserAudioVideoPlugin.rsc" );

_LIT( KBrowserAVPluginRscFile, "\\resource\\BrowserAudioVideoPlugin.rsc");

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

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

// CBavpPlugin::CBavpPlugin

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

// might leave.

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

CBavpPlugin::CBavpPlugin()

    : iError( EFalse ),

    iMimeType( NULL ), 

    iPauseState ( EFalse ), 

    iIsForeGround ( ETrue ), 

    iPauseInBackground (EFalse)

    {

    }

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

// CBavpPlugin::ConstructL

// Symbian 2nd phase constructor can leave.

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

void CBavpPlugin::ConstructL()

    {

    TFileName fileName;

    TParse parse;

    Dll::FileName (fileName);

    parse.Set(KBrowserAVPluginRscFile, &fileName, NULL);

    fileName = parse.FullName();        

    BaflUtils::NearestLanguageFile(CCoeEnv::Static()->FsSession(), fileName);

    if ( !BaflUtils::FileExists( CCoeEnv::Static()->FsSession(), fileName ) )        

        {

        // Use the Z drive one

        parse.Set( KBrowserAVPluginRscFileZ, &KDC_RESOURCE_FILES_DIR, NULL );

        fileName = parse.FullName(); 

        BaflUtils::NearestLanguageFile( CCoeEnv::Static()->FsSession(),fileName );

        }

    iResourceOffset = CCoeEnv::Static()->AddResourceFileL( fileName );

    iDrmHelper = CDRMHelper::NewL( *CCoeEnv::Static() );             

    }

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

// CBavpPlugin::NewL

// Two-phased constructor.

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

CBavpPlugin* CBavpPlugin::NewL()

    {

    Log( EFalse, _L("CBavpPlugin::NewL") );

    CBavpPlugin* self = new (ELeave) CBavpPlugin;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CBavpPlugin::Destructor

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

CBavpPlugin::~CBavpPlugin()

    {

    Log( EFalse, _L("CBavpPlugin::~CBavpPlugin") );

    delete iBavpController;

    delete iFileName;

    delete iBavpView;

    delete iDrmHelper;

    if ( iMimeType )

    {

        delete iMimeType;

    }

    if ( iResourceOffset )

        {

        CCoeEnv::Static()->DeleteResourceFile( iResourceOffset );

        }

    if ( iNPObject )

        {

        if (iNPObject->plugin == this)

            iNPObject->plugin = 0;

        NPN_ReleaseObject((struct NPObject*)(iNPObject));

        }

    }

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

// CBavpPlugin::SetWindowL

// Handles the creation of the window for the video file.

// Called by Browser for window creation.

// aPluginAdapter allows callback to Browser. aRect is window size.

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

void CBavpPlugin::SetWindowL( MPluginAdapter *aPluginAdapter,

                              NPWindow* aWindow, NPP aInstance )

    {

    Log( EFalse, _L("CBavpPlugin::SetWindowL") );

    // Set our PluginAdapter

    iPluginAdapter = aPluginAdapter;

    iNPP = aInstance;

    // Check if error occurs last time for setWindowL

    if ( iError )

        {

        // Stop browser calling NotifyL

        iPluginAdapter->SetPluginNotifier( NULL );

        // Error detected on OpenAndPlayFile

        return;

        }

    if ( !iBavpView )

        {

        iBavpView = CBavpView::NewL( (CCoeControl*)iPluginAdapter->GetParentControl(), TRect(0, 0, 0, 0), this);

        // Note: The pluginAdapter returns NULL

        iBavpView->SetObserver( aPluginAdapter->GetParentControlObserver() );

        // Register for Browser Notifications

        iPluginAdapter->SetPluginNotifier( (MPluginNotifier *)this );

        // Add option menu handler

        iPluginAdapter->SetOptionMenuHandler( (MOptionMenuHandler *)iBavpView );

        // Notify Browser that plugin has been constructed

        iPluginAdapter->PluginConstructedL( iBavpView );

        }

    else

        {

        // Only setRect() is enough, since it calls SizeChanged() and

        // inside it refreshes the rect's coordinate

        iBavpView->SetRect( aWindow );

        // If we have a Rtsp scheme, we need to play it (aka start the

        // BavpControllerVideo). We only do this once

        if ( iRtspUrl )

            {

            OpenAndPlayUrlL( *iRtspUrl );

            delete iRtspUrl;

            iRtspUrl = NULL;

            }

        }

    }

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

// CBavpPlugin::OpenAndPlayFileL

// Called by Browser when ready for file to be played

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

void CBavpPlugin::OpenAndPlayFileL( const TDesC& aFilename, const HBufC* originalFileName )

    {

    Log( EFalse, _L("CBavpPlugin::OpenAndPlayFileL"), (TInt)this );

    if ( !iBavpView )

        {

        // The view is not set yet.

        // Re-invoke the OpenAndPlayFile after the window has been initialized

        delete iFileName;

        iFileName = NULL;

        iFileName = aFilename.AllocL();

        }

    else

        {

        if ( iBavpController )

            {

            // Will stop current audio or video player

            delete iBavpController;

            iBavpController = NULL;

            // Set to null, otherwise, plugin will crash when it switches file

            iBavpView->SetBavpController( NULL );

            }

        // Determine if file is audio or video, so we can start up an audio

        // or video controller

        CBavpMediaRecognizer* mediaRecognizer = CBavpMediaRecognizer::NewL();

        CleanupStack::PushL( mediaRecognizer );

        TBavpMediaType mediaType = mediaRecognizer->IdentifyMediaTypeL( aFilename );

        CleanupStack::PopAndDestroy();  // mediaRecognizer

        // Do we have audio content, let the audio controller handle it

        if ( mediaType == ELocalAudioFile || mediaType == ELocalAudioPlaylist )

            {

            iBavpController = CBavpControllerAudio::NewL( iBavpView,

                                                          iAccessPtId,

                                                          mediaType,

                                                          aFilename );

            }

        else

            {

            // We got other content, let the video controller handle it.

            iBavpController = CBavpControllerVideo::NewL( iBavpView,

                                                          iAccessPtId,

                                                          mediaType,

                                                          aFilename );

            }

        // Set the volume and loop from the attribute values

        iBavpController->SetVolumeFromAttribute( iVolume );

        iBavpController->SetLoopFromAttribute( iLoop, iInfiniteFlag );

        // Set the original file name & mime type

        iBavpController->SetOriginalFileName(originalFileName);

        iBavpController->SetMimeType(iMimeType);

        iBavpView->SetBavpController( iBavpController );

        TRAPD( err, iBavpController->PlayAudioVideoL() );

        if ( err )

            {

            Log( EFalse, _L("CBavpPlugin::OpenAndPlayFileL ERROR from PlayAudioVideoL") );

            iBavpController->iCurrentState = EBavpBadContent;

            iBavpView->UpdateView();

            User::Leave( err );

            }

        }

    }

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

// CBavpPlugin::OpenAndPlayUrlL

// Called by Browser when ready for url to be played

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

void CBavpPlugin::OpenAndPlayUrlL( const TDesC& aUrl )

    {

    Log( EFalse, _L("CBavpPlugin::OpenAndPlayUrlL"), (TInt)this );

    if ( iBavpController )

        {

        // Will stop current audio or video player

        delete iBavpController;

        iBavpController = NULL;

        // Set to null, otherwise, plugin will crash when it switches file

        iBavpView->SetBavpController( NULL );

        }

    iBavpController = CBavpControllerVideo::NewL( iBavpView,

                                                  iAccessPtId,

                                                  EUrl,

                                                  aUrl );

    // iRtspUrl is used as a flag in SetWindow, which is re-entrant, so delete

    // once we got a controller for it

    delete iRtspUrl;

    iRtspUrl = NULL;

    // Set the volume and loop from the attribute values

    iBavpController->SetVolumeFromAttribute( iVolume );

    iBavpController->SetLoopFromAttribute( iLoop, iInfiniteFlag );

    iBavpView->SetBavpController( iBavpController );

    iBavpController->PlayAudioVideoL();

    }

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

// CBavpPlugin::SetAccessPtId

// Sets access pt id to be used

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

void CBavpPlugin::SetAccessPtId( TUint aAccessPtId )

    {

    iAccessPtId = aAccessPtId;

    }

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

// CBavpPlugin::SetVolumeAndLoop

// Called to set the volume and loop value that we get from the webpage source

// to be able to use it later 

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

void CBavpPlugin::SetVolumeAndLoop( TInt aVolume, TInt aLoop, TInt aInfiniteFlag )

    {

    // Save volume attribute value, pass to controller after it initializes

    iVolume = aVolume;

    // Save loop attribute values, pass to controller after it initializes

    iLoop = aLoop;

    iInfiniteFlag = aInfiniteFlag;

    }

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

// CBavpPlugin::SetVolumeAndLoop

// Called to set the volume and loop value that we get from the webpage source

// to be able to use it later 

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

void CBavpPlugin::SetRtspUriL( const TDesC& aRtspUri )

    {

    iRtspUrl = aRtspUri.AllocL();

    }

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

// CBavpPlugin::NotifyL

// MPluginNotifier callback, Browser calls this to inform Plugin of some event.

// The biggest use is when the Browser goes in-focus or out-focus. Out-foucus

// can happen when other component takes top of CCoeControl stack, such as the 

// Option Menu, another application, Screen saver, ... 

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

TInt CBavpPlugin::NotifyL( TNotificationType aCallType, void* aParam )

    {

    if(iBavpController)

        { 

        //if player is paused due to focus change or Visual history back and manually pressed Play, then we need 

        //to clear the pause state. 

        if(EBavpPlaying == iBavpController->State() && iPauseState)

            { 

            iPauseState = EFalse; 

            }

        }

    switch ( aCallType )

        {

        case EApplicationFocusChanged:

            // The browser has gone in-focus (foreground), or out-focus

            // (background), i.e. the browser is not on top of CCoeControl stack,

            // so inform this plugin if it is in-focus or out-focus

            if ( iBavpController )

                {

                // If Browser out-focus, we send this plugin aParam=EFalse.

                // If Browser in-focus, we send this plugin aParam=ETrue, if

                // the plugin is (was) in-focus or activated.

                iBavpController->HandleBrowserNotification( TBool(aParam) );

 					if(!aParam) //app background

                    {

                    iIsForeGround = EFalse; 

                        { 

                        iPauseState = ETrue; 

                        iPauseInBackground = ETrue; 

                        iBavpController->PauseL();

                        }

                    }

                else    //app foreground  

                    { 

                    iIsForeGround = ETrue;

                    if(EBavpPaused == iBavpController->State() && iPauseInBackground) 

                       { 

                       iPauseState = EFalse; 

                       iPauseInBackground = EFalse;

                       iBavpController->PlayL();

                       }

                    }

                }

            break;

        case EPluginPause :

            if( !aParam )

               {

                if(iBavpController  && iPauseState && (iBavpController->State() == EBavpPaused) && (iIsForeGround))

                    { 

                    iPauseState = EFalse; 

                    iBavpController->PlayL(); 

                    }

               } 

            break; 

        case EPluginInvisible : 

            if( !aParam )

                {

                if ( iBavpController  && (!iPauseState) ) //plugin background 

                       { 

                           { 

                           iPauseState = ETrue; 

                           iBavpController->PauseL(); 

                           }

                       }

                } 

            else if(iBavpController  && iPauseState && (iBavpController->State() == EBavpPaused) && (iIsForeGround))

                { 

                iPauseState = EFalse; 

                iBavpController->PlayL(); 

                }

				break; 

        default:

            // Not implemented

            break;

        };  // end of switch

    return NPERR_NO_ERROR;

    }

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

// CBavpPlugin::SetMimeType

// Sets the mime name. Used for scripting functionality

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

void CBavpPlugin::SetMimeType( NPMIMEType type )

    {

    iMimeType = type.Alloc();

    }

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

// CBavpPlugin::HandleGesture

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

TBool CBavpPlugin::HandleGesture(void* aEvent)

    {

    TBool ret = EFalse;

    TGestureEvent *gesture = static_cast<TGestureEvent*>(aEvent);

    // Fix crash when iBavpController is null for bug EGUY-7TYHDC

    if (iBavpController) {

        ret = iBavpController->HandleGesture(gesture);

    }

    return ret;

    }

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

// CBavpPlugin::getNPNFuncs

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

NPNetscapeFuncs* CBavpPlugin::getNPNFuncs()

    {

    CBavpPluginEcomMain* npm = (CBavpPluginEcomMain*)Dll::Tls();

    return npm ? npm->Funcs() : NULL;

    }

//  End of File