1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "rsdisplaychangeao.h"

    17 #include "displaypolicy.h"

    18 

    19 CRsDisplayChangeNotifier::CRsDisplayChangeNotifier(MWsDisplayControl* aNextLevelInterface, CDisplayPolicy* aDisplayPolicy)

    20 :CActive(EPriorityHigh),iWsStatus(NULL)

    21 	{

    22 	CActiveScheduler::Add(this);

    23 	iNextLevelInterface = aNextLevelInterface;

    24 	iDisplayPolicy = aDisplayPolicy;

    25 	}

    26 

    27 CRsDisplayChangeNotifier* CRsDisplayChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface, CDisplayPolicy* aDisplayPolicy)

    28 	{

    29 	CRsDisplayChangeNotifier* self = new(ELeave) CRsDisplayChangeNotifier(aNextLevelInterface, aDisplayPolicy);

    30 	return self;

    31 	}

    32 

    33 void CRsDisplayChangeNotifier::IssueNotificationRequest()

    34 	{

    35 	iNextLevelInterface->NotifyOnDisplayChange(iStatus);

    36 	SetActive();

    37 	}

    38 void CRsDisplayChangeNotifier::RegisterActiveStatus(TRequestStatus &aStatus)

    39 	{

    40 	iWsStatus = &aStatus;

    41 	}

    42 

    43 void CRsDisplayChangeNotifier::CancelNotificationRequest()

    44 	{

    45 	Cancel();

    46 	}

    47 

    48 void CRsDisplayChangeNotifier::RunL()

    49 	{

    50 	//IssueNotificationRequest will overwrite iStatus, save a copy first;

    51 	TInt result = iStatus.Int();

    52 	IssueNotificationRequest();

    53 	

    54 	//calculate min UI buffer size depending on physical resolutions

    55 	TInt ret = iNextLevelInterface->NumberOfResolutions();

    56 	RArray<MDisplayControlBase::TResolution> resolutions;

    57 	CleanupClosePushL(resolutions);

    58 	if(ret > 0)

    59 		{

    60 		//just ignore the error. if there's an error, an empty resolution list is passed in, and uibuffer

    61 		//will remain the previous size

    62 		iNextLevelInterface->GetResolutions(resolutions);

    63 		}

    64 	iDisplayPolicy->CalculateMinBufferSize(resolutions, ret);				

    65 	CleanupStack::PopAndDestroy(&resolutions);

    66 	

    67 	if(iWsStatus && *iWsStatus == KRequestPending)

    68 		{

    69 		User::RequestComplete(iWsStatus, result);

    70 		}

    71 	}

    72 

    73 void CRsDisplayChangeNotifier::DoCancel()

    74 	{

    75 	iNextLevelInterface->NotifyOnDisplayChangeCancel();

    76 	if(iWsStatus && *iWsStatus == KRequestPending)

    77 		User::RequestComplete(iWsStatus, KErrCancel);

    78 	}

    79 

    80 CRsDisplayChangeNotifier::~CRsDisplayChangeNotifier()

    81 	{

    82 	Cancel();

    83 	}

    84 

    85 CRsConfigChangeNotifier::CRsConfigChangeNotifier(MWsDisplayControl* aNextLevelInterface)

    86 :CActive(EPriorityHigh), iWsStatus(NULL)

    87 	{

    88 	CActiveScheduler::Add(this);

    89 	iNextLevelInterface = aNextLevelInterface;

    90 	}

    91 

    92 CRsConfigChangeNotifier* CRsConfigChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface)

    93 	{

    94 	CRsConfigChangeNotifier* self = new(ELeave) CRsConfigChangeNotifier(aNextLevelInterface);

    95 	return self;

    96 	}

    97 

    98 void CRsConfigChangeNotifier::IssueNotificationRequest()

    99 	{

   100 	iNextLevelInterface->NotifyOnConfigChange(iStatus);

   101 	SetActive();

   102 	}

   103 

   104 void CRsConfigChangeNotifier::RegisterActiveStatus(TRequestStatus &aStatus)

   105 	{

   106 	iWsStatus = &aStatus;

   107 	}

   108 

   109 void CRsConfigChangeNotifier::CancelNotificationRequest()

   110 	{

   111 	Cancel();

   112 	}

   113 

   114 void CRsConfigChangeNotifier::RunL()

   115 	{

   116 	//IssueNotificationRequest will overwrite iStatus, save a copy first;

   117 	TInt result = iStatus.Int();

   118 	IssueNotificationRequest();

   119 	if(iWsStatus && *iWsStatus == KRequestPending)

   120 		{

   121 		User::RequestComplete(iWsStatus, result);

   122 		}

   123 	}

   124 

   125 void CRsConfigChangeNotifier::DoCancel()

   126 	{

   127 	iNextLevelInterface->NotifyOnConfigChangeCancel();

   128 	if(iWsStatus && *iWsStatus == KRequestPending)

   129 		User::RequestComplete(iWsStatus, KErrCancel);

   130 	}

   131 

   132 CRsConfigChangeNotifier::~CRsConfigChangeNotifier()

   133 	{

   134 	Cancel();

   135 	}