browserui/browser/BrowserAppSrc/BrowserWindowManager.cpp
branchRCL_3
changeset 48 8e6fa1719340
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browserui/browser/BrowserAppSrc/BrowserWindowManager.cpp	Wed Sep 01 12:31:04 2010 +0100
@@ -0,0 +1,833 @@
+/*
+* Copyright (c) 2002 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: 
+*     Multiple Windows' WindowManager.
+*
+*
+*/
+
+
+// INCLUDE FILES
+#include "BrowserWindowManager.h"
+#include "BrowserWindow.h"
+#include "BrowserWindowQueue.h"
+#include "BrowserContentView.h"
+#include "WindowInfoProvider.h"
+#include "Logger.h"
+#include "Preferences.h"
+#include "Display.h"
+#include "ApiProvider.h"
+#include <brctldefs.h>
+#include "BrowserUtil.h"
+#include <BrowserNG.rsg>
+#include <StringLoader.h>
+#include <AknQueryDialog.h>
+
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowQue::LastItem()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowQue* CBrowserWindowQue::LastItem() const
+    {
+    // remove 'const' modifier from 'this' in a const member function
+    CBrowserWindowQue* a = CONST_CAST( CBrowserWindowQue*, this );
+    for( ; a->iNext; a=a->iNext)
+        ;
+    return a;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowQue::~CBrowserWindowQue()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowQue::~CBrowserWindowQue()
+    {
+LOG_ENTERFN("WindowQue::~WindowQue");
+    if( this->iPrev )
+        {
+		BROWSER_LOG( ( _L( "iPrev" ) ) );
+        this->iPrev->iNext = this->iNext;
+        }
+    if( this->iNext )
+        {
+		BROWSER_LOG( ( _L( "iNext" ) ) );
+        this->iNext->iPrev = this->iPrev;
+        }
+    delete iWindow;
+    iWindow = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowQue::AppendL()
+// -----------------------------------------------------------------------------
+//
+void CBrowserWindowQue::AppendL( CBrowserWindowQue* aItem )
+    {
+	__ASSERT_DEBUG( (aItem != NULL), Util::Panic( Util::EUninitializedData ));
+    aItem->iPrev = LastItem();
+    aItem->iPrev->iNext = aItem;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowQue::Next()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowQue* CBrowserWindowQue::Next() const
+    {
+    CBrowserWindowQue* b = this->iNext;
+    while( b && (b->iStatus & CBrowserWindowQue::EWindowDeleted ) )
+        {
+        b = b->iNext;
+        }
+    return b;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowQue::Prev()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowQue* CBrowserWindowQue::Prev() const
+    {
+    CBrowserWindowQue* b = this->iPrev;
+    while( b && (b->iStatus & CBrowserWindowQue::EWindowDeleted ) )
+        {
+        b = b->iPrev;
+        }
+    return b;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::
+// -----------------------------------------------------------------------------
+// initialization of static member variable
+TInt CBrowserWindowManager::iWindowIdGenerator( 0 );
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::NewLC()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowManager* CBrowserWindowManager::NewLC(
+        MApiProvider& aApiProvider,
+        CBrowserContentView& aContentView,
+        TInt aMaxWindowCount )
+    {
+    CBrowserWindowManager* self = new (ELeave)
+        CBrowserWindowManager( aApiProvider, aContentView, aMaxWindowCount );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::NewL()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowManager* CBrowserWindowManager::NewL(
+        MApiProvider& aApiProvider,
+        CBrowserContentView& aContentView,
+        TInt aMaxWindowCount )
+    {
+    CBrowserWindowManager* self = CBrowserWindowManager::NewLC(
+        aApiProvider, aContentView, aMaxWindowCount );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::~CBrowserWindowManager()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowManager::~CBrowserWindowManager( )
+    {
+LOG_ENTERFN("WindowManager::~WindowManager");
+    // Preferences must exist!
+    if(iApiProvider!=NULL)
+    	{
+    	iApiProvider->Preferences().RemoveObserver( this );
+    	}
+    RemoveObserver(iContentView);
+    CBrowserWindowQue *window = iWindowQueue;
+    CBrowserWindowQue *temp = NULL;
+
+
+    TBool isStandAlone( !iApiProvider->IsEmbeddedModeOn() );
+    if ( ( isStandAlone && !iUserExit ) || ( !isStandAlone ) )
+        {
+        TRAP_IGNORE( window->iWindow->BrCtlInterface().HandleCommandL(
+            (TInt)TBrCtlDefs::ECommandSaveLaunchParams + (TInt)TBrCtlDefs::ECommandIdBase ) );
+        }
+
+    for(; window; )
+        {
+        temp = window;
+        window = window->iNext;
+        DeleteOneWindowL( temp->iWindow->WindowId() );
+        /*delete temp; 
+        temp = NULL;*/
+        }
+        RemoveDeletedWindowsL();
+    delete iObservers;
+    iObservers = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::WindowCount()
+// -----------------------------------------------------------------------------
+//
+TInt CBrowserWindowManager::WindowCount() const
+    {
+    return iWindowCount - iDeletedWindowCount;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::CBrowserWindowManager()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowManager::CBrowserWindowManager(
+        MApiProvider& aApiProvider,
+        CBrowserContentView& aContentView,
+        TInt aMaxWindowCount ) :
+    iApiProvider( &aApiProvider ),
+    iContentView( &aContentView),
+    iMaxWindowCount( aMaxWindowCount ),
+    iWindowCount( 0 ),
+    iDeletedWindowCount( 0 ),
+    iWindowQueue( NULL ),
+    iCurrentWindow( NULL ),
+    iUserExit( EFalse ),
+    iIsContentExist( EFalse )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::ConstructL( )
+    {
+    iApiProvider->Preferences().AddObserverL( this );
+    CreateWindowL( 0, &KNullDesC );
+    iCurrentWindow = iWindowQueue;
+    // don't draw anything, just activate it
+    iCurrentWindow->iWindow->ActivateL( EFalse );
+    iObservers = new ( ELeave ) CArrayPtrFlat< MWindowObserver >( 1 );
+    AddObserverL(iContentView);
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::Window()
+// -----------------------------------------------------------------------------
+//
+TInt CBrowserWindowManager::Window(
+        TInt aWindowId,
+        CBrowserWindow*& aWindow )
+    {
+    RemoveDeletedWindowsL();
+    CBrowserWindowQue *windowQue = NULL;
+    TInt error( Window( aWindowId, windowQue, iWindowQueue ) );
+    if( windowQue )
+        {
+        aWindow = windowQue->iWindow;
+        }
+    return error;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::FindWindowL()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindow* CBrowserWindowManager::FindWindowL(
+        const TDesC& aTargetName )
+    {
+LOG_ENTERFN("WindowManager::FindWindowL( Target )");
+    RemoveDeletedWindowsL();
+    CBrowserWindow* result = NULL;
+    CBrowserWindow* window = NULL;
+    CBrowserWindowQue *windowQue = iWindowQueue;
+    for( ; windowQue; windowQue = windowQue->Next() )
+        {
+        window = windowQue->iWindow;
+        if( window->TargetName()->Compare( aTargetName ) == 0 )
+            {
+            result = window;
+            }
+        }
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::CurrentWindow()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindow* CBrowserWindowManager::CurrentWindow() const
+    {
+    if( iCurrentWindow )
+        {
+        return iCurrentWindow->iWindow;
+        }
+    else
+        {
+        return NULL;
+        }
+    }
+	
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::CurrentWindowQue()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindowQue* CBrowserWindowManager::CurrentWindowQue() const
+    {
+    if( iCurrentWindow )
+        {
+        return iCurrentWindow;
+        }
+    else
+        {
+        return NULL;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::GetWindowInfoL()
+// -----------------------------------------------------------------------------
+//
+CArrayFixFlat<CWindowInfo*>* CBrowserWindowManager::GetWindowInfoL(
+        MWindowInfoProvider* aWindowInfo )
+    {
+	__ASSERT_DEBUG( (aWindowInfo != NULL), Util::Panic( Util::EUninitializedData ));
+
+    RemoveDeletedWindowsL();
+    CBrowserWindowQue* window = iWindowQueue;
+    CArrayFixFlat<CWindowInfo*>* windowInfoList = new (ELeave)
+        CArrayFixFlat<CWindowInfo*>( 3 /* KGranularityMedium */ );
+    CleanupStack::PushL( windowInfoList );
+    for( ; window; window = window->Next() )
+        {
+        // create window info text by client
+        HBufC* buf = aWindowInfo->CreateWindowInfoLC( *( window->iWindow ) );
+
+        if (!buf)
+        {
+	  		CleanupStack::PopAndDestroy( buf );
+     		buf = KNullDesC().AllocLC();
+        }
+
+        // create window info( text, id, current )
+        CWindowInfo* windowInfo = new ( ELeave ) CWindowInfo(
+          	buf, window->iWindow->WindowId(), iCurrentWindow == window );
+
+        CleanupStack::Pop( buf );
+
+        // append to list
+        windowInfoList->AppendL( windowInfo );
+
+        }
+
+    CleanupStack::Pop( windowInfoList );
+    return windowInfoList;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::AddObserver()
+// -----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::AddObserverL( MWindowObserver* aObserver )
+    {
+    LOG_ENTERFN("CBrowserWindowManager::AddObserver");
+    if ( iObservers )
+        {
+        iObservers->AppendL( aObserver );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::RemoveObserver()
+// -----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::RemoveObserver( MWindowObserver* aObserver )
+    {
+    LOG_ENTERFN("CBrowserWindowManager::RemoveObserver");
+    TInt i( 0 );
+    TInt count = iObservers->Count();
+    for ( i = 0; i < count; i++ )
+        {
+        if ( iObservers->At( i ) == aObserver )
+            {
+            iObservers->Delete( i );
+            break;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::NotifyObservers()
+// -----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::NotifyObserversL( TWindowEvent aEvent, TInt aWindowId )
+    {
+    LOG_ENTERFN("CBrowserWindowManager::NotifyObservers");
+    if ( iObservers )
+        {
+        TInt i;
+        TInt count = iObservers->Count();
+
+        if ( count )
+            {
+            for ( i = 0; i < count; i++ )
+                {
+                iObservers->At( i )->WindowEventHandlerL( aEvent, aWindowId );
+                }
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::CreateWindowL()
+// -----------------------------------------------------------------------------
+//
+CBrowserWindow* CBrowserWindowManager::CreateWindowL(
+        TInt aParentId,
+        const TDesC* aTargetName )
+    {
+PERFLOG_LOCAL_INIT
+PERFLOG_STOPWATCH_START
+LOG_ENTERFN("WindowManager::CreateWindowL");
+    RemoveDeletedWindowsL();
+    if( WindowCount() >= iMaxWindowCount )
+        {
+        HBufC* maxWinsReached = StringLoader::LoadLC(R_BROWSER_NOTE_MAX_WINDOWS);
+	  	ApiProvider()->DialogsProvider().DialogNoteL( *maxWinsReached );
+	  	CleanupStack::PopAndDestroy( maxWinsReached );
+        return NULL;
+        }
+    CBrowserWindow* window = NULL;
+    // search for already existing window
+    Window( aParentId, aTargetName, window, iWindowQueue );  // error is ignored
+    if( window )
+        {
+
+        return window;
+        }
+    window = CBrowserWindow::NewLC( ++iWindowIdGenerator, aTargetName, this );
+BROWSER_LOG( ( _L( "Window is created, ID: %d, windowCount: %d" ),
+    window->WindowId(), WindowCount ) );
+    // create a WindowQue instance initiated by the new window
+    CBrowserWindowQue *windowQue = new (ELeave) CBrowserWindowQue( window );
+    CleanupStack::PushL( windowQue );
+    // and set window's parent
+    TInt error2( Window( aParentId, windowQue->iParent, iWindowQueue ) );
+BROWSER_LOG( ( _L( "error2: %d" ), error2 ) );
+    // append window to the list
+    if( iWindowQueue )
+        {
+        BROWSER_LOG( ( _L( "window queue not empty" ) ) );
+        iWindowQueue->AppendL( windowQue );
+        }
+    else
+        {
+        BROWSER_LOG( ( _L( "window queue empty" ) ) );
+        iWindowQueue = windowQue;
+        }
+    CleanupStack::Pop( windowQue );
+
+    // window is created and append to the list successfully
+    ++iWindowCount;
+
+    CleanupStack::Pop( window );
+    NotifyObserversL( EWindowOpen, window->WindowId() );
+
+    // window is activated by the client
+PERFLOG_STOP_WRITE("****CreateWindowL***")
+    return window;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::DeleteWindowL()
+// -----------------------------------------------------------------------------
+//
+TInt CBrowserWindowManager::DeleteWindowL(
+        TInt aWindowId,
+        TBool aUserInitiated )
+    {
+LOG_ENTERFN("WindowManager::DeleteWindowL");
+    TInt windowToBeActivated( KErrNotFound );
+    // find the window
+    CBrowserWindowQue* windowQue = NULL;
+    Window( aWindowId, windowQue, iWindowQueue );
+    if( windowQue )
+        {
+        // make the old window absolutely inactive
+        windowQue->iWindow->BrCtlInterface().HandleCommandL(
+	        (TInt)TBrCtlDefs::ECommandClearHistory + (TInt)TBrCtlDefs::ECommandIdBase );
+		// Changes were made to ClearHistory that cause it to keep one (current) page
+		// In order to reuse a window we need to clear the history again after the first new page
+		// is loaded.
+		windowQue->iWindow->SetFirstPage(ETrue);
+
+
+        windowQue->iWindow->BrCtlInterface().HandleCommandL(
+            (TInt)TBrCtlDefs::ECommandLoseFocus + (TInt)TBrCtlDefs::ECommandIdBase );
+
+        if(windowQue->iWindow->HasWMLContent(EFalse))
+            {
+            windowQue->iWindow->BrCtlInterface().HandleCommandL(
+                (TInt)TBrCtlDefs::ECommandUnloadWMLEngine + (TInt)TBrCtlDefs::ECommandIdBase );
+            }
+
+        // On 3.1 CancelFetch activates the content view for some reason
+        // this section is temporarily flagged out until further
+        // investigation.
+        windowQue->iWindow->BrCtlInterface().HandleCommandL(
+           (TInt)TBrCtlDefs::ECommandCancelFetch + (TInt)TBrCtlDefs::ECommandIdBase );
+
+        // if the topmost window is deleted
+        // try to find a new one to be activated
+        if( iCurrentWindow == windowQue )
+            {
+            CBrowserWindowQue* next = windowQue->Next();
+            CBrowserWindowQue* prev = windowQue->Prev();
+            if( next )
+                {
+                windowToBeActivated = next->iWindow->WindowId();
+                iCurrentWindow = next;
+                }
+            else if( prev )
+                {
+                windowToBeActivated = prev->iWindow->WindowId();
+                iCurrentWindow = prev;
+                }
+            else
+                {
+                windowToBeActivated = 0;
+                }
+            }
+        // else a background window was deleted
+
+        // last window handling
+        if( WindowCount() == 1 )
+            {
+            // here we already set the windowToBeActivated to 0
+            // means CloseContentView or Exit in AppUi
+
+            // clear all content of Window (images, scripts)
+
+//            windowQue->iWindow->BrCtlInterface().HandleCommandL(
+//                (TInt)TBrCtlDefs::ECommand + (TInt)TBrCtlDefs::ECommandIdBase );
+            windowQue->iWindow->BrCtlInterface().HandleCommandL(
+                (TInt)TBrCtlDefs::ECommandUnloadWMLEngine + (TInt)TBrCtlDefs::ECommandIdBase );
+
+            //Remove the plugins windows. This is a fix for plugins still plays in the background
+            //while the page is closed.
+            windowQue->iWindow->BrCtlInterface().HandleCommandL(
+                 (TInt)TBrCtlDefs::ECommandUnLoadPluginWindows + (TInt)TBrCtlDefs::ECommandIdBase );
+
+            iIsContentExist = EFalse;
+            windowQue->iWindow->SetHasWMLContent(EFalse);
+            windowQue->iWindow->SetCurrWinHasWMLContent(EFalse);
+
+
+            }
+        // Update MW Indicator
+        else if ( WindowCount() == 2 )
+            {
+            // sets the window status
+            windowQue->iStatus |= CBrowserWindowQue::EWindowDeleted;
+            windowQue->iWindow->BrCtlInterface().HandleCommandL((TInt)TBrCtlDefs::ECommandNotifyPluginFocusChangeEvent + (TInt)TBrCtlDefs::ECommandIdBase);
+            windowQue->iWindow->DeactivateL();
+            // maintain deleted windows' count
+            ++iDeletedWindowCount;
+
+            if( aUserInitiated )
+                {
+                DeleteOneWindowL( aWindowId );
+                }
+            }
+        else
+            {
+            // sets the window status
+            windowQue->iStatus |= CBrowserWindowQue::EWindowDeleted;
+            windowQue->iWindow->BrCtlInterface().HandleCommandL((TInt)TBrCtlDefs::ECommandNotifyPluginFocusChangeEvent + (TInt)TBrCtlDefs::ECommandIdBase);
+            windowQue->iWindow->DeactivateL();
+            // maintain deleted windows' count
+            ++iDeletedWindowCount;
+
+            if( aUserInitiated )
+                {
+                DeleteOneWindowL( aWindowId );
+                }
+            }
+        }
+    NotifyObserversL( EWindowClose, aWindowId );
+
+    return windowToBeActivated;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::SwitchWindowL()
+// -----------------------------------------------------------------------------
+//
+TInt CBrowserWindowManager::SwitchWindowL( TInt aWindowId, TBool aDraw )
+    {
+LOG_ENTERFN("WindowManager::SwitchWindowL");
+    CBrowserWindowQue* windowQue = NULL;
+    TBool wdnSwitching = EFalse;
+    TInt error( Window( aWindowId, windowQue, iWindowQueue ) );
+BROWSER_LOG( ( _L( "error: %d" ), error ) );
+    if( windowQue )
+        {
+		BROWSER_LOG( ( _L( "Switching..." ) ) );
+        if( windowQue != iCurrentWindow )
+            {
+            wdnSwitching = ETrue;
+            iCurrentWindow->iWindow->BrCtlInterface().HandleCommandL((TInt)TBrCtlDefs::ECommandNotifyPluginFocusChangeEvent + (TInt)TBrCtlDefs::ECommandIdBase);
+            iCurrentWindow->iWindow->DeactivateL();
+            iCurrentWindow = windowQue;
+            }
+        //If the history view is up, don't activate the content view unless it is switching the window. Otherwise,
+        //it will overdraw the history view and it will cause serious problems when there
+        //is a background redirection
+        if(!iCurrentWindow->iWindow->IsWindowActive() && (!iContentView->IsHistoryViewUp() || wdnSwitching))
+           {
+           iCurrentWindow->iWindow->BrCtlInterface().HandleCommandL((TInt)TBrCtlDefs::ECommandNotifyPluginFocusChangeEvent + (TInt)TBrCtlDefs::ECommandIdBase);
+           iCurrentWindow->iWindow->ActivateL( aDraw );
+           iContentView->UpdateCbaL();
+           }
+        }
+    return error;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::Window()
+// -----------------------------------------------------------------------------
+// search for a window identified by its Id
+TInt CBrowserWindowManager::Window(
+        TInt aWindowId,
+        CBrowserWindowQue*& aWindowQue,
+        CBrowserWindowQue* aStartingItem ) const
+    {
+LOG_ENTERFN("WindowManager::Window( Id )");
+    TInt error( KErrNotFound );
+    CBrowserWindowQue *windowQue = aStartingItem;
+    for( ; (error != KErrNone) && (windowQue); windowQue = windowQue->iNext )
+        {
+        if( windowQue->iWindow->WindowId() == aWindowId )
+            {
+            error = KErrNone;
+            aWindowQue = windowQue;
+            }
+        }
+    return error;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::Window()
+// -----------------------------------------------------------------------------
+// search for a window identified by TargetName and its Parent
+TInt CBrowserWindowManager::Window(
+        TInt aParentId,
+        const TDesC* aTargetName,
+        CBrowserWindow*& aWindow,
+        CBrowserWindowQue* aStartingItem ) const
+    {
+LOG_ENTERFN("WindowManager::Window( Parent, Target )");
+    TInt error( KErrNotFound );
+    if( aTargetName && aTargetName->Length() )  // sanity check
+        {
+        CBrowserWindow* window = NULL;
+        CBrowserWindowQue *windowQue = aStartingItem;
+        CBrowserWindowQue* parent = NULL;
+        for( ; (error != KErrNone) && (windowQue); windowQue = windowQue->iNext )
+            {
+            window = windowQue->iWindow;
+            parent = windowQue->iParent;
+            if( parent &&
+                ( parent->iWindow->WindowId() == aParentId ) &&
+                ( window->TargetName()->Compare( *aTargetName ) == 0 ) )
+                {
+                error = KErrNone;
+                aWindow = window;
+                }
+            }
+        }
+    return error;
+    }
+
+// -----------------------------------------------------------------------------
+// CBrowserWindowManager::DeleteOneWindowL()
+// -----------------------------------------------------------------------------
+//
+TInt CBrowserWindowManager::DeleteOneWindowL( TInt aWindowId )
+    {
+    // Last window cannot be deleted, this is not called then.
+LOG_ENTERFN("WindowManager::DeleteOneWindowL");
+    CBrowserWindowQue* windowQue = NULL;
+    // find window, error ignored
+    Window( aWindowId, windowQue, iWindowQueue );
+    if( windowQue )
+        {
+        // set WindowQueue's first item if required
+        if( iWindowQueue == windowQue )
+            {
+            iWindowQueue = windowQue->iNext;
+            }
+
+        // clear children's parent pointer
+        CBrowserWindowQue* queue = iWindowQueue;
+        for( ; queue; queue = queue->iNext )
+            {
+            if( queue->iParent == windowQue )
+                {
+                queue->iParent = NULL;
+                }
+            }
+
+        // decrease WindowCount
+        --iWindowCount;
+
+        // maintain deleted status
+        if ( windowQue->iStatus & CBrowserWindowQue::EWindowDeleted )
+            {
+            __ASSERT_DEBUG( iDeletedWindowCount,
+                Util::Panic( Util::EUnExpected ));
+            --iDeletedWindowCount;
+            }
+        // delete window via its windowQue container
+        delete windowQue;
+        }
+    return KErrNone;
+    }
+
+// ----------------------------------------------------------------------------
+// CBrowserWindowManager::RemoveDeletedWindowsL()
+// ----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::RemoveDeletedWindowsL()
+    {
+    CBrowserWindowQue *window = iWindowQueue;
+    CBrowserWindowQue *temp = NULL;
+    // walk through all the windows
+    for( ; window; )
+        {
+        temp = window;
+        window = window->iNext;
+        // if it is set as deleted
+        if( temp->iStatus & CBrowserWindowQue::EWindowDeleted )
+            {
+            DeleteOneWindowL( temp->iWindow->WindowId() );
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CBrowserWindowManager::HandlePreferencesChangeL()
+// ----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::HandlePreferencesChangeL(
+        const TPreferencesEvent aEvent,
+        TPreferencesValues& aValues,
+        TBrCtlDefs::TBrCtlSettings aSettingType )
+    {
+LOG_ENTERFN("WindowManager::HandlePreferencesChangeL");
+BROWSER_LOG( ( _L( "Preferences event: %d" ), aEvent ) );
+    switch( aEvent )
+        {
+        case EPreferencesActivate:
+            {
+            // Topmost Window ONLY
+            if ( iCurrentWindow )
+                {
+                iCurrentWindow->iWindow->HandlePreferencesChangeL(
+                    aEvent, aValues, aSettingType );
+                }
+            break;
+            }
+        case EPreferencesDeactivate:
+        case EPreferencesItemChange:
+            {
+            // All windows
+            CBrowserWindowQue *windowQue = iWindowQueue;
+            for( ; windowQue; windowQue = windowQue->Next() )
+                {
+                windowQue->iWindow->HandlePreferencesChangeL(
+                    aEvent, aValues, aSettingType );
+                }
+            break;
+            }
+        default:
+            // don't do anything
+            break;
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CBrowserWindowManager::SendCommandToAllWindowsL()
+// ----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::SendCommandToAllWindowsL(
+        TInt aCommand )
+    {
+LOG_ENTERFN("WindowManager::SendCommandToAllWindowsL");
+BROWSER_LOG( ( _L( "Command: %d" ), aCommand ) );
+
+    CBrowserWindowQue *windowQue = iWindowQueue;
+    for( ; windowQue; windowQue = windowQue->Next() )
+        {
+        windowQue->iWindow->BrCtlInterface().HandleCommandL(aCommand);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CBrowserWindowManager::SetCurrentWindowViewState()
+// ----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::SetCurrentWindowViewState(TBrCtlDefs::TBrCtlState aViewState, TInt aValue)
+	{
+LOG_ENTERFN("WindowManager::SetCurrentWindowViewState");
+BROWSER_LOG( ( _L( "State: %d" ), aViewState ) );
+
+	TBool val(aValue > 0);
+	if (aViewState == TBrCtlDefs::EStateWmlView)
+		{
+		CurrentWindow()->SetWMLMode(val); // set current page has wml (true or false)
+		if (val)
+			{
+			CurrentWindow()->SetHasWMLContent(ETrue); // at least 1 page in window has/had wml
+			CurrentWindow()->SetCurrWinHasWMLContent(ETrue); // current page has wml content
+
+			}
+		else
+			{
+			CurrentWindow()->SetCurrWinHasWMLContent(EFalse);// current page isn't wml
+			}
+		}
+	}
+
+// ----------------------------------------------------------------------------
+// CBrowserWindowManager::CloseAllWindowsExceptCurrent()
+// ----------------------------------------------------------------------------
+//
+void CBrowserWindowManager::CloseAllWindowsExceptCurrent()
+    {
+    LOG_ENTERFN("WindowManager::CloseAllWindowsExceptCurrent");
+    CBrowserWindowQue* window = iWindowQueue;
+    for( ; window; window = window->Next() )
+        {
+        if(iCurrentWindow != window)
+            {
+            DeleteWindowL(window->iWindow->WindowId(), EFalse);
+            }
+        }
+    }
+// End of file