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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <graphics/wsscreendevice.h>
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#include <s32mem.h>
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#include <e32property.h>
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#include <wspublishandsubscribedata.h>
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#include <tstaskmonitorglobals.h>
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#include <stddef.h>
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#include <qnamespace.h>
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#include "tsscreenshotplugin.h"
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#include "tsscreenshotnotifier.h"
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#include "tsscreenshotmsg.h"
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#include "tsidlist.h"
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const TInt KInvalidGroupId(~0);
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const TUid KHbPsHardwareCoarseOrientationCategoryUid = {0x20022E82};
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const TUint KHbPsHardwareCoarseWsOrientationKey = 0x4F726965;
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// -----------------------------------------------------------------------------
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/**
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* Two phase constructor
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*/
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CTsScreenshotPlugin* CTsScreenshotPlugin::NewL()
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{
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//no second step construction is required here
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//window server will initialize plugin later
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return new(ELeave)CTsScreenshotPlugin();
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}
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// -----------------------------------------------------------------------------
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/**
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* From CWsGraphicDrawer
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* @see CWsGraphicDrawer::ConstructL(MWsGraphicDrawerEnvironment&, const TGraphicDrawerId& , MWsClient&, const TDesC8&)
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*/
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void CTsScreenshotPlugin::ConstructL( MWsGraphicDrawerEnvironment& aEnv,
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const TGraphicDrawerId& iId,
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MWsClient& aOwner,
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const TDesC8& /*data*/ )
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{
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BaseConstructL( aEnv, iId, aOwner );
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aEnv.RegisterEventHandler(this,
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this,
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TWservCrEvent::EWindowGroupChanged |
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TWservCrEvent::EDeviceOrientationChanged);
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iWindowGroupId = KInvalidGroupId;
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iBlockedList = CTsIdList::NewL();
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}
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// -----------------------------------------------------------------------------
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/**
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* Destructor
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*/
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CTsScreenshotPlugin::~CTsScreenshotPlugin()
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{
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delete iBlockedList;
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Env().UnregisterEventHandler(this);
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iCache.ResetAndDestroy();
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}
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// -----------------------------------------------------------------------------
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/**
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* From CWsGraphicDrawer.
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* @see CWsGraphicDrawer::DoDraw(MWsGc&, const TRect&, const TDesC8&) const
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*/
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void CTsScreenshotPlugin::DoDraw(MWsGc&, const TRect&, const TDesC8&) const
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{
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//plugin is not a real drawer
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//no implementation required
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}
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// -----------------------------------------------------------------------------
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/**
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* From CWsGraphicDrawer
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* @see CWsGraphicDrawer::HandleMessage(const TDesC8&)
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*/
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void CTsScreenshotPlugin::HandleMessage( const TDesC8& aMsg )
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{
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TRAP_IGNORE( HandleMessageL( aMsg ) );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsScreenshotPlugin::HandleMessageL( const TDesC8& aMsg )
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{
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RDesReadStream msgStream(aMsg);
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CleanupClosePushL(msgStream);
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TInt function = msgStream.ReadInt32L();
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if(RegisterScreenshotMessage == function)
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{
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CTsScreenshotMsg *screenshotMsg = CTsScreenshotMsg::NewLC(msgStream);
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for( TInt iter(0); iter < iCache.Count(); ++iter )
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{
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if(iCache[iter]->Handle() == screenshotMsg->Screenshot().Handle())
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{
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//bitmap is not needed no more
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delete iCache[iter];
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iCache.Remove(iter);
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break;
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}
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}
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CleanupStack::PopAndDestroy( screenshotMsg );
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}
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else if( IgnoreWindowGroups == function )
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{
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CTsIdList* list = CTsIdList::NewLC( msgStream );
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delete iBlockedList;
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iBlockedList = list;
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CleanupStack::Pop( list );
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}
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CleanupStack::PopAndDestroy( &msgStream );
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}
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// -----------------------------------------------------------------------------
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/**
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* From MWsEventHandler.
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* @see MWsEventHandler::DoHandleEvent(const TWservCrEvent&)
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*/
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void CTsScreenshotPlugin::DoHandleEvent(const TWservCrEvent& aEvent)
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{
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switch (aEvent.Type()) {
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case TWservCrEvent::EWindowGroupChanged:
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if( KInvalidGroupId != iWindowGroupId )
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{
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NotifyWindowGroupToBackground( iWindowGroupId );
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TakeScreenshot( iWindowGroupId );
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}
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iWindowGroupId = aEvent.WindowGroupIdentifier();
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break;
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case TWservCrEvent::EDeviceOrientationChanged:
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if( !iBlockedList->IsPresent( iWindowGroupId ) )
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{
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TakeScreenshot( iWindowGroupId );
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}
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break;
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}
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}
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// -----------------------------------------------------------------------------
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//
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/**
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* Function take screenshot od current display
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* @param screenshot identyfier
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*/
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void CTsScreenshotPlugin::TakeScreenshot( TInt aId )
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{
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TRAP_IGNORE( TakeScreenshotL( aId ); )
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}
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// -----------------------------------------------------------------------------
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/**
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* Function take screenshot od current display
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* @param screenshot identyfier
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*/
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void CTsScreenshotPlugin::TakeScreenshotL( TInt aId )
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{
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if( 0 >= Env().ScreenCount() )
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{
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User::Leave(KErrCorrupt);
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}
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const TInt screenId(0); //use local variable in case of changing screen selection policy
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const MWsScreenConfig* const screenConfig =
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Env().Screen(screenId)->ObjectInterface<MWsScreenConfig>();
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const MWsScreenDevice* const screenDevice =
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static_cast<MWsScreenDevice*>(Env().Screen(screenId)->ResolveObjectInterface(MWsScreenDevice::EWsObjectInterfaceId));
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User::LeaveIfNull(screenConfig);
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User::LeaveIfNull(screenDevice);
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//prepare destination bitmap
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CFbsBitmap *bitmap = new (ELeave) CFbsBitmap();
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CleanupStack::PushL(bitmap);
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User::LeaveIfError(bitmap->Create(screenConfig->SizeInPixels(),
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screenConfig->DisplayMode()));
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screenDevice->CopyScreenToBitmapL(bitmap,
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screenConfig->SizeInPixels());
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//prepare and send message
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CTsScreenshotNotifier* notifier =
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CTsScreenshotNotifier::NewL(*this, aId, bitmap, OrientationToAngle());
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CleanupStack::Pop(bitmap);
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CleanupStack::PushL(notifier);
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iCache.AppendL(notifier);
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CleanupStack::Pop(notifier);
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}
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// -----------------------------------------------------------------------------
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//
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TInt CTsScreenshotPlugin::OrientationToAngle()
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{
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TInt retVal(0), orientation(0), sensor(0);
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RProperty::Get( KRenderOrientationCategory,
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KRenderOrientationKey,
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orientation );
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switch( orientation )
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{
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case EDisplayOrientation90CW: retVal = 270;break;
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case EDisplayOrientation180: retVal = 180;break;
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case EDisplayOrientation270CW: retVal = 90;break;
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case EDisplayOrientationAuto:
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{
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RProperty::Get( KHbPsHardwareCoarseOrientationCategoryUid,
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KHbPsHardwareCoarseWsOrientationKey, sensor );
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retVal = ( sensor == Qt::Vertical ) ? 270 : 0;
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break;
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}
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}
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return retVal;
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}
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// -----------------------------------------------------------------------------
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void CTsScreenshotPlugin::SendMessageL( const TDesC8& aMessage )
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{
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User::LeaveIfError( SendMessage( aMessage ) );
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}
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// -----------------------------------------------------------------------------
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void CTsScreenshotPlugin::NotifyWindowGroupToBackground( TInt windowGroupId )
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{
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TRAP_IGNORE( NotifyWindowGroupToBackgroundL(windowGroupId); )
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CTsScreenshotPlugin::NotifyWindowGroupToBackgroundL( TInt windowGroupId )
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{
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RBuf8 message;
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CleanupClosePushL(message);
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message.CreateL(2 * sizeof(TInt));
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{
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RDesWriteStream stream(message);
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CleanupClosePushL(stream);
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stream.WriteInt32L(WindowGroupToBackgroundMessage);
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stream.WriteInt32L(windowGroupId);
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CleanupStack::PopAndDestroy(&stream);
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}
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SendMessageL(message);
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CleanupStack::PopAndDestroy(&message);
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}
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