memspyui/ui/avkon/src/MemSpyViewDriveInfo.cpp
branchRCL_3
changeset 21 b3cee849fa46
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/memspyui/ui/avkon/src/MemSpyViewDriveInfo.cpp	Tue Aug 31 15:15:20 2010 +0300
@@ -0,0 +1,381 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+*
+*/
+
+#include "MemSpyViewDriveInfo.h"
+
+// System includes
+#include <memspyui.rsg>
+
+// Engine includes
+#include <memspy/engine/memspyengine.h>
+#include <memspy/engine/memspyengineobjectprocess.h>
+#include <memspy/engine/memspyengineobjectthread.h>
+#include <memspy/engine/memspyengineobjectcontainer.h>
+#include <memspy/engine/memspyengineobjectthreadinfoobjects.h>
+#include <memspy/engine/memspyengineobjectthreadinfocontainer.h>
+#include <memspy/engine/memspyenginehelperprocess.h>
+#include <memspy/engine/memspyenginehelperfilesystem.h>
+
+// User includes
+#include "MemSpyUiUtils.h"
+#include "MemSpyViewMainMenu.h"
+
+
+
+CMemSpyViewDriveInfoBase::CMemSpyViewDriveInfoBase( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver )
+:   CMemSpyViewBase( aEngine, aObserver )
+    {
+    }
+
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+CMemSpyViewDriveInfoBase::~CMemSpyViewDriveInfoBase()
+    {
+    if  ( iList )
+        {
+        iList->SetObserver( NULL );
+        }
+    //
+    delete iList;
+    }
+
+
+void CMemSpyViewDriveInfoBase::BaseConstructL()
+    {
+    iList = iEngine.HelperFileSystem().DriveListL();
+    }
+
+
+TBool CMemSpyViewDriveInfoBase::HandleCommandL( TInt aCommand )
+    {
+    TBool handled = ETrue;
+    //
+    switch ( aCommand )
+        {
+    default:
+        handled = CMemSpyViewBase::HandleCommandL( aCommand );
+        break;
+        }
+    //
+    return handled;
+    }
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+CMemSpyViewDriveList::CMemSpyViewDriveList( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver )
+:   CMemSpyViewDriveInfoBase( aEngine, aObserver ), iUseDriveNumber( EFalse ), iDriveNumber( EDriveA )
+    {
+    }
+
+
+CMemSpyViewDriveList::CMemSpyViewDriveList( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver, TDriveNumber aDriveNumber )
+:   CMemSpyViewDriveInfoBase( aEngine, aObserver ), iUseDriveNumber( ETrue ), iDriveNumber( aDriveNumber )
+    {
+    }
+
+
+void CMemSpyViewDriveList::ConstructL( const TRect& aRect, CCoeControl& aContainer, TAny* aSelectionRune )
+    {
+    BaseConstructL();
+
+    _LIT( KTitle, "Drive Summary" );
+    SetTitleL( KTitle );
+
+    // Start watching list
+    iList->SetObserver( this );
+
+    // Finish construction
+    CMemSpyViewBase::ConstructL( aRect, aContainer, aSelectionRune );
+
+    if  ( iUseDriveNumber )
+        {
+#ifdef _DEBUG
+        RDebug::Printf( "CMemSpyViewDriveList::ConstructL() - iDriveNumber: %c:", iDriveNumber + 'A' );
+#endif
+        iCurrentDrive = iList->EntryByDriveNumber( iDriveNumber );
+
+#ifdef _DEBUG
+        RDebug::Printf( "CMemSpyViewDriveList::ConstructL() - iCurrentDrive: 0x%08x", iCurrentDrive );
+#endif
+        if  ( iCurrentDrive )
+            {
+            const TInt index = iList->ItemIndex( *iCurrentDrive );
+#ifdef _DEBUG
+            RDebug::Printf( "CMemSpyViewDriveList::ConstructL() - index: %d", index );
+#endif
+            iListBox->SetCurrentItemIndex( index );
+            HandleListBoxItemSelectedL( index );
+            }
+        }
+    
+    iListBox->DrawDeferred();
+    }
+
+
+TMemSpyViewType CMemSpyViewDriveList::ViewType() const
+    {
+    return EMemSpyViewTypeDriveSummary;
+    }
+
+
+CMemSpyViewBase* CMemSpyViewDriveList::PrepareParentViewL()
+    {
+    CMemSpyViewMainMenu* parent = new(ELeave) CMemSpyViewMainMenu( iEngine, iObserver );
+    CleanupStack::PushL( parent );
+    parent->ConstructL( Rect(), *Parent(), (TAny*) ViewType() );
+    CleanupStack::Pop( parent );
+    //
+    if  ( parent )
+        {
+        iList->SetObserver( NULL );
+        }
+    //
+    return parent;
+    }
+
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+CMemSpyViewBase* CMemSpyViewDriveList::PrepareChildViewL()
+    {
+    ASSERT( iCurrentDrive );
+    CMemSpyViewBase* child = new(ELeave) CMemSpyViewDriveInfo( iEngine, iObserver, iCurrentDrive->DriveNumber() );
+
+    // Stop watching list
+    if  ( child )
+        {
+        iList->SetObserver( NULL );
+        }
+
+    // Ownership is transferred to child. Cleanupstack guarantees it will be destroyed now.
+    // This object is about to die in any case.
+    iList = NULL;
+
+    CleanupStack::PushL( child );
+    child->ConstructL( Rect(), *Parent() );
+    CleanupStack::Pop( child );
+    return child;
+    }
+
+
+void CMemSpyViewDriveList::RefreshL()
+    {
+    if  ( iList )
+        {
+        iList->SetObserver( NULL );
+        }
+    //
+    CMemSpyEngineDriveList* list = iEngine.HelperFileSystem().DriveListL();
+    delete iList;
+    iList = list;
+    iList->SetObserver( this );
+    //
+    SetListBoxModelL();
+    CMemSpyViewBase::RefreshL();
+    }
+
+
+void CMemSpyViewDriveList::SetListBoxModelL()
+    {
+    CAknSettingStyleListBox* listbox = static_cast< CAknSettingStyleListBox* >( iListBox );
+    listbox->Model()->SetItemTextArray( iList );
+    listbox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );
+    }
+
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+void CMemSpyViewDriveList::HandleListBoxItemActionedL( TInt aIndex )
+    {
+    const TInt count = iList->Count();
+    if  ( aIndex >= 0 && aIndex < count )
+        {
+        CMemSpyEngineDriveEntry& entry = iList->At( aIndex );
+        iCurrentDrive = &entry;
+        }
+    else
+        {
+        iCurrentDrive = NULL;
+        }
+
+    // Notify observer about item selection
+    ReportEventL( MMemSpyViewObserver::EEventItemActioned );
+    }
+
+
+void CMemSpyViewDriveList::HandleListBoxItemSelectedL( TInt aIndex )
+    {
+    const TInt count = iList->Count();
+    if  ( aIndex >= 0 && aIndex < count )
+        {
+        CMemSpyEngineDriveEntry& entry = iList->At( aIndex );
+        iCurrentDrive = &entry;
+        }
+    else
+        {
+        iCurrentDrive = NULL;
+        }
+
+    // Notify observer about item selection
+    ReportEventL( MMemSpyViewObserver::EEventItemSelected );
+    }
+
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+void CMemSpyViewDriveList::HandleDriveListChangedL( const CMemSpyEngineDriveList& /*aList*/ )
+    {
+    RefreshL();
+    }
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+CMemSpyViewDriveInfo::CMemSpyViewDriveInfo( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver, TDriveNumber aDriveNumber )
+:   CMemSpyViewDriveInfoBase( aEngine, aObserver ), iDriveNumber( aDriveNumber )
+    {
+    }
+
+
+void CMemSpyViewDriveInfo::ConstructL( const TRect& aRect, CCoeControl& aContainer, TAny* aSelectionRune )
+    {
+    BaseConstructL();
+    //
+    iDriveInfo = iList->EntryByDriveNumber( iDriveNumber );
+    if  ( !iDriveInfo )
+        {
+        User::Leave( KErrNotFound );
+        }
+    iDriveInfo->SetObserver( this );
+
+    _LIT( KTitleFormat, "Drive %S Info" );
+    const TDriveName name( iDriveInfo->DriveUnit().Name() );
+    TName title;
+    title.Format( KTitleFormat, &name );
+    SetTitleL( title );
+
+    // Finish construction
+    CMemSpyViewBase::ConstructL( aRect, aContainer, aSelectionRune );
+    }
+
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+void CMemSpyViewDriveInfo::RefreshL()
+    {
+    SetListBoxModelL();
+    CMemSpyViewBase::RefreshL();
+    }
+
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+TMemSpyViewType CMemSpyViewDriveInfo::ViewType() const
+    {
+    return EMemSpyViewTypeDriveInfo;
+    }
+
+
+CMemSpyViewBase* CMemSpyViewDriveInfo::PrepareParentViewL()
+    {
+    ASSERT( iDriveInfo );
+    CMemSpyViewDriveList* parent = new(ELeave) CMemSpyViewDriveList( iEngine, iObserver, iDriveInfo->DriveNumber() );
+    CleanupStack::PushL( parent );
+    parent->ConstructL( Rect(), *Parent() );
+    CleanupStack::Pop( parent );
+    //
+    if  ( parent )
+        {
+        iDriveInfo->SetObserver( NULL );
+        }
+    //
+    return parent;
+    }
+
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+void CMemSpyViewDriveInfo::SetListBoxModelL()
+    {
+    if  ( iDriveInfo )
+        {
+        CAknSettingStyleListBox* listbox = static_cast< CAknSettingStyleListBox* >( iListBox );
+        listbox->Model()->SetItemTextArray( iDriveInfo );
+        listbox->Model()->SetOwnershipType( ELbmDoesNotOwnItemArray );
+        }
+    }
+
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+void CMemSpyViewDriveInfo::HandleDriveEntryChangedL( const CMemSpyEngineDriveEntry& /*aEntry*/ )
+    {
+    RefreshL();
+    }
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