examples/Base/ArraysAndLists/linkedlist/deltaque/src/userinterface.cpp

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/*
Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

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  list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
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  may be used to endorse or promote products derived from this software
  without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Description: Contains definition of functions defined in the CUserInterface class.  
*/




#include "userinterface.h"
CUserInterface* CUserInterface::NewL(CConsoleBase* aConsole,CTimerEntry* aTimerEntry)
        {
        CUserInterface* self = new (ELeave)CUserInterface;
        self->Initialize(aConsole,aTimerEntry);
        return self;
        }

void CUserInterface::Initialize(CConsoleBase* aConsole,CTimerEntry* aTimerEntry)
        {
        iConsole = aConsole;
        iTimerEntry = aTimerEntry;
        CActiveScheduler::Add(this);
        iTimerEntry->IssueRequest();
        }

CUserInterface::CUserInterface():CActive(CActive::EPriorityUserInput)
        {
        }

void CUserInterface::RunL()
        {
        // Get the key code.
        TUint8 option = iConsole->KeyCode();
        // Print the selected option.
        _LIT(KTextFormat,"%c\n");
        iConsole->Printf(KTextFormat,option);
        CActiveScheduler::Stop();
        }

void CUserInterface::ReadFunc()
        {
        // Print the menu.
        _LIT(KTxtOption,"***\nPress any key to stop the scheduler\n***\n");
        iConsole->Printf(KTxtOption);
        // Wait for a key press event.
        iConsole->Read(iStatus);
        SetActive();
        }

void CUserInterface::DoCancel()
        {
        if(IsActive())
                {
                // Cancel any outstanding read requests.
                iConsole->ReadCancel();
                }
        }

CUserInterface::~CUserInterface()
        {
        Cancel();
        }

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