taskswitcher/testapplications/generator/generator/pattern/src/helloworldbasicappui.cpp
author Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
Thu, 16 Sep 2010 12:11:40 +0100
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/*
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* Copyright (c) 2009 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 FILES
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#include <avkon.hrh>
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#include <aknnotewrappers.h>
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#include <stringloader.h>
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#include <HelloWorldBasic1.rsg>
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#include <f32file.h>
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#include <s32file.h>
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#include "HelloWorldBasic.pan"
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#include "HelloWorldBasicAppUi.h"
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#include "HelloWorldBasicAppView.h"
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#include "HelloWorldBasic.hrh"
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#include "HelloWorldBasicQueryDialog.h"
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_LIT( KHelloFileName, "Hello.txt" );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CHelloWorldBasicAppUi::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CHelloWorldBasicAppUi::ConstructL()
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    {
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    // Initialise app UI with standard value.
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    BaseConstructL(CAknAppUi::EAknEnableSkin);
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    // Here the Hello.txt file is created. Because HelloWorld application is
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    // localized to various languages, the Hello.txt-file is created every time
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    // with current localization language
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    //
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    RFs fsSession;
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    User::LeaveIfError(fsSession.Connect());
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    CleanupClosePushL( fsSession );
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    TInt objectsInStack = 1;
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    #if defined(__WINS__) || defined(__WINSCW__)
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    // create private folder, when testing in emulator.
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    // ignore the return value; if this fails, then file.Replace() will fail
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    // and a warning note will be printed.
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    //
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    fsSession.CreatePrivatePath(EDriveC);
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    #endif
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    RFile file;
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    // Create a file to write the text to
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    TInt err = file.Replace(fsSession, KHelloFileName, EFileWrite );
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    if (KErrNone == err)
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        {
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        CleanupClosePushL( file );
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        RFileWriteStream outputFileStream( file );
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        CleanupClosePushL( outputFileStream );
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        // Load a string from the resource file and stream it to file
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        HBufC* textResource = StringLoader::LoadLC( R_HEWB_FILE_TEXT );
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        objectsInStack += 3; // file, outputFileStream, testResource
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        outputFileStream << *textResource;
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        }
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    else
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        {
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        _LIT(KFileWriteFailed,"Writing file %S failed: error %d");
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        CAknWarningNote* note = new ( ELeave ) CAknWarningNote(ETrue);
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        TBuf<64> text;
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        text.Format(KFileWriteFailed, &KHelloFileName, err);
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        note->ExecuteLD( text );
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        }
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    CleanupStack::PopAndDestroy(objectsInStack, &fsSession);
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    // Create view object
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    iAppView = CHelloWorldBasicAppView::NewL( ClientRect() );
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    RProcess::Rendezvous(KErrNone);
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    }
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// -----------------------------------------------------------------------------
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// CHelloWorldBasicAppUi::CHelloWorldBasicAppUi()
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// C++ default constructor can NOT contain any code, that might leave.
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diff changeset
   101
// -----------------------------------------------------------------------------
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diff changeset
   102
//
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diff changeset
   103
CHelloWorldBasicAppUi::CHelloWorldBasicAppUi()
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diff changeset
   104
    {
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diff changeset
   105
    // No implementation required
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diff changeset
   106
    }
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parents:
diff changeset
   107
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diff changeset
   108
// -----------------------------------------------------------------------------
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diff changeset
   109
// CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi()
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diff changeset
   110
// Destructor.
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diff changeset
   111
// -----------------------------------------------------------------------------
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diff changeset
   112
//
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diff changeset
   113
CHelloWorldBasicAppUi::~CHelloWorldBasicAppUi()
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diff changeset
   114
    {
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diff changeset
   115
    if ( iAppView )
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diff changeset
   116
        {
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   117
        delete iAppView;
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diff changeset
   118
        iAppView = NULL;
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diff changeset
   119
        }
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   120
    }
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diff changeset
   121
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   122
// -----------------------------------------------------------------------------
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   123
// CHelloWorldBasicAppUi::HandleCommandL()
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   124
// Takes care of command handling.
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   125
// -----------------------------------------------------------------------------
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diff changeset
   126
//
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   127
void CHelloWorldBasicAppUi::HandleCommandL( TInt aCommand )
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   128
    {
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   129
    // clear possible old user-given text
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diff changeset
   130
    if (iAppView->GetText().Size() > 0)
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   131
        {
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   132
        iAppView->GetText().Zero();
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   133
        iAppView->DrawNow();
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diff changeset
   134
        }
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diff changeset
   135
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diff changeset
   136
    switch( aCommand )
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diff changeset
   137
        {
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diff changeset
   138
        case EEikCmdExit:
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diff changeset
   139
        case EAknSoftkeyExit:
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diff changeset
   140
            Exit();
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diff changeset
   141
            break;
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diff changeset
   142
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diff changeset
   143
        case EHelloWorldBasicCommand1:
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diff changeset
   144
            {
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   145
            // Load a string from the resource file and display it
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diff changeset
   146
            HBufC* textResource = StringLoader::LoadLC( R_HEWB_COMMAND1_TEXT );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   147
            CAknInformationNote* note = new ( ELeave ) CAknInformationNote;
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   148
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diff changeset
   149
            // Show the information Note with
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diff changeset
   150
            // textResource loaded with StringLoader.
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diff changeset
   151
            note->ExecuteLD( *textResource );
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parents:
diff changeset
   152
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diff changeset
   153
            // Pop HBuf from CleanUpStack and Destroy it.
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diff changeset
   154
            CleanupStack::PopAndDestroy( textResource );
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diff changeset
   155
            }
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diff changeset
   156
            break;
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parents:
diff changeset
   157
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diff changeset
   158
        case EHelloWorldBasicCommand2:
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diff changeset
   159
            {
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diff changeset
   160
            RFs fsSession;
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diff changeset
   161
            RFile rFile;
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   162
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diff changeset
   163
            // Connects a client process to the fileserver
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diff changeset
   164
            User::LeaveIfError(fsSession.Connect());
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   165
            CleanupClosePushL(fsSession);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   166
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   167
            //Open file where the stream text is
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   168
            User::LeaveIfError(rFile.Open(fsSession,KHelloFileName, EFileStreamText));
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   169
            CleanupClosePushL(rFile);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   170
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   171
            // copy stream from file to RFileStream object
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   172
            RFileReadStream inputFileStream(rFile);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   173
            CleanupClosePushL(inputFileStream);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   174
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diff changeset
   175
            // HBufC descriptor is created from the RFileStream object.
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   176
            HBufC* fileData = HBufC::NewLC(inputFileStream, 32);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   177
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Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   178
            CAknInformationNote* note = new ( ELeave ) CAknInformationNote;
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   179
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   180
            // Show the information Note
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   181
            note->ExecuteLD( *fileData );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   182
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   183
            // Pop loaded resources from the cleanup stack:
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   184
            // filedata, inputFileStream, rFile, fsSession
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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diff changeset
   185
            CleanupStack::PopAndDestroy(4, &fsSession);
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   186
            }
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   187
            break;
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parents:
diff changeset
   188
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   189
        case EHelloWorldBasicCommand3:
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   190
            {
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   191
            // Load a string from the resources and use it as a default value
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   192
            HBufC* defaultText = StringLoader::LoadLC( R_HEWB_FILE_TEXT );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   193
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   194
            CHelloWorldQueryDialog *dlg = new (ELeave)
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   195
                CHelloWorldQueryDialog( iAppView->GetText(), defaultText );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   196
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   197
            dlg->ExecuteLD( R_DIALOG_TEXT_EDIT_QUERY );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   198
            iAppView->DrawNow();
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   199
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   200
            // Pop HBuf from CleanUpStack and Destroy it.
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
parents:
diff changeset
   201
            CleanupStack::PopAndDestroy( defaultText );
c63ee96dbe5f Missing activityfw and taskswitcher components - fix for Bug 3670
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parents:
diff changeset
   202
            }
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            break;
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        default:
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            break;
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        }
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    }
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// -----------------------------------------------------------------------------
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//  Called by framework when layout is changed.
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//  Passes the new client rectangle to the AppView
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// -----------------------------------------------------------------------------
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//
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void CHelloWorldBasicAppUi::HandleResourceChangeL( TInt aType )
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{
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    // base-class call also
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    CAknAppUi::HandleResourceChangeL(aType);
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    if (aType == KEikDynamicLayoutVariantSwitch)
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        {
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        if (iAppView)
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            iAppView->SetRect( ClientRect() );
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        }
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}
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// End of File
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