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/*
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* Copyright (c) 2006 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: Control base class.
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*
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*/
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#include "alf/alfcontrol.h"
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#include "alf/alfcontrolgroup.h"
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#include "alf/alfdisplay.h"
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#include "alf/alfroster.h"
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#include "alf/alfenv.h"
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#include "alf/alfvisualfactory.h"
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#include "alfclient.h"
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#include "alf/alfgencomponent.h"
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#include "alf/alfconstants.h"
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#include "alf/alftimedvalue.h"
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#include "alflogger.h"
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#include <uiacceltk/HuiUtil.h>
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#include <eikappui.h>
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// Private structure
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struct CAlfControl::TPrivateData
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{
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CAlfEnv* iEnv; // Not owned.
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CAlfControlGroup* iOwnerGroup; // Not owned.
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CAlfDisplay* iBoundDisplay; // Not owned.
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TInt iId; // Owned.
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TInt iHostId; // Owned.
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TInt iRole; // Owned.
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RPointerArray<CAlfVisual> iVisuals; // Not owned.
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CAlfControl* iHost; // Not owned.
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struct SConnection
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{
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CAlfControl* iControl; // Not owned.
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TInt iRole; // Owned.
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};
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RArray<SConnection> iConnections; // Owned.
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TBool iFocusing; // Owned.
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TBool iHasFocus; // Owned.
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CAlfGenComponent* iComms; // Owned
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};
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Constructor
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfControl::CAlfControl()
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{
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}
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// ---------------------------------------------------------------------------
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// ConstructL
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CAlfControl::ConstructL(CAlfEnv& aEnv)
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{
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iData = new (ELeave) TPrivateData;
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iData->iEnv = &aEnv;
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iData->iFocusing = EFalse;
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//iData->iId = CAlfStatic::GenerateId();
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// NULL data
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iData->iOwnerGroup = NULL;
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iData->iBoundDisplay = NULL;
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iData->iId = 0;
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iData->iHostId = 0;
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iData->iRole = 0;
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iData->iVisuals.Reset();
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iData->iHost = NULL;
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iData->iConnections.Reset();
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iData->iHasFocus = EFalse;
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iData->iComms = 0;
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iData->iComms = CAlfGenComponent::NewL(aEnv,
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EAlfCntrlCreate,
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0,
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KNullDesC8);
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iData->iId = Identifier(); // to have unique value
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}
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfControl::~CAlfControl()
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{
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if ( iData )
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{
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// Cancel scheduled commands for this control.
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Env().CancelCustomCommands(this);
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Env().CancelCommands(this);
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if(iData->iHost)
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{
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iData->iHost->RemoveConnection(this);
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iData->iHost = NULL;
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}
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for(TInt i = iData->iConnections.Count() - 1; i >= 0; --i)
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{
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RemoveConnection(iData->iConnections[i].iControl);
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}
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iData->iConnections.Reset();
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// The visuals are owned by the control.
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iData->iVisuals.ResetAndDestroy();
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delete iData->iComms;
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}
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delete iData;
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iData = NULL;
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}
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// ---------------------------------------------------------------------------
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// Returns server handle
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CAlfControl::Identifier() const
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{
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return iData->iComms->Identifier();
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}
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// ---------------------------------------------------------------------------
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// Returns the env
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfEnv& CAlfControl::Env() const
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{
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return *iData->iEnv;
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}
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// ---------------------------------------------------------------------------
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// Returns control group that this control is in.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfControlGroup* CAlfControl::ControlGroup() const
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{
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return iData->iOwnerGroup;
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}
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// ---------------------------------------------------------------------------
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// Sets the control group
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// ---------------------------------------------------------------------------
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//
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void CAlfControl::SetControlGroup(CAlfControlGroup& aOwnerGroup)
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{
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iData->iOwnerGroup = &aOwnerGroup;
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}
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// ---------------------------------------------------------------------------
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// Returns bound display
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfDisplay* CAlfControl::Display() const
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{
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return iData->iBoundDisplay;
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}
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// ---------------------------------------------------------------------------
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// Sets bound display
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CAlfControl::BindDisplay(CAlfDisplay& aDisplay)
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{
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iData->iBoundDisplay = &aDisplay;
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}
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// ---------------------------------------------------------------------------
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// Sets control ID.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CAlfControl::SetId(TInt aId)
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{
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iData->iId = aId;
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}
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// ---------------------------------------------------------------------------
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// Returns control ID.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CAlfControl::Id() const
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{
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return iData->iId;
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}
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// ---------------------------------------------------------------------------
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// Appends new visual
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CAlfControl::Append(CAlfVisual* aVisual, CAlfLayout* aParentLayout)
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{
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TInt err = KErrNone;
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ASSERT(aVisual); // must not be null
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if(&aVisual->Owner() != this) // ownership cannot be altered here
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{
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return KErrNotSupported;
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}
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// prevent adding visual several times
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for (TInt i = iData->iVisuals.Count()-1;i>=0;i--)
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{
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if (iData->iVisuals[i] == aVisual)
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{
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return KErrAlreadyExists;
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}
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}
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// Append the visual to the visuals array.
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err = iData->iVisuals.Append(aVisual);
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if ( err )
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{
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__ALFLOGSTRING1( "CAlfControl::Append return error %d", err )
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return err;
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}
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if(aParentLayout)
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{ // once parent layout has been set, the visual has already relation in shape
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// server side, tell the layout that theres no need to synch that info to server
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// anymore (latter param)
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err = aParentLayout->Append(aVisual, ETrue);
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if ( err != KErrNone )
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{
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__ALFLOGSTRING1( "CAlfControl::Append return error %d", err )
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// Do cleanup
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iData->iVisuals.Remove(iData->iVisuals.Find(aVisual));
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return err;
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}
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}
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/*
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if ( iData->iInformServerAboutAppendRemove )
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{
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TInt2 params(aVisual->Identifier(), aParentLayout ? aParentLayout ->Identifier() : 0 );
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TPckgC<TInt2> inPckg(params);
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TBuf8<1> dum;
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TInt err = iData->iComms->DoSynchronousCmd( EAlfCntrlAppendVisual, inPckg , dum );
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if ( err != KErrNone )
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{
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__ALFLOGSTRING1( "CAlfControl::Append return error %d", err )
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// Do cleanup
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if ( aParentLayout )
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{
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aParentLayout->Remove(aVisual);
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}
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iData->iVisuals.Remove(iData->iVisuals.Find(aVisual));
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return err;
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}
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}*/
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TRAP(err, VisualAddedL(aVisual));
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if ( err != KErrNone )
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{
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__ALFLOGSTRING1( "CAlfControl::Append return error %d", err )
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// Do cleanup
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if ( aParentLayout )
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{
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aParentLayout->Remove(aVisual);
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}
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Remove( aVisual );
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}
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return err;
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}
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// ---------------------------------------------------------------------------
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// Removes visual
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CAlfControl::Remove(CAlfVisual* aVisual)
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{
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/*
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if ( iData->iInformServerAboutAppendRemove && aVisual)
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{
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TPckgC<TInt> inPckg(aVisual->Identifier());
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TBuf8<1> dum;
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iData->iComms->DoSynchronousCmd( EAlfCntrlRemoveVisual, inPckg , dum );
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}*/
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TInt index = iData->iVisuals.Find(aVisual);
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if(index != KErrNotFound)
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{
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VisualRemoved(aVisual);
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iData->iVisuals.Remove(index);
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}
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}
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// --------------------------------------------------------------------------
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// Creates and appends new visual
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfVisual* CAlfControl::AppendVisualL(TAlfVisualType aVisualType,
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CAlfLayout* aParentLayout,
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TInt aImplementationUid )
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{
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CAlfVisual* visual = AlfVisualFactory::NewVisualLC(aVisualType,
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aParentLayout, *this, *iData->iEnv, aImplementationUid);
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TInt err = Append(visual, aParentLayout);
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User::LeaveIfError( err );
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CleanupStack::Pop(visual);
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return visual;
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}
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// ---------------------------------------------------------------------------
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// Creates and appends new layout
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfLayout* CAlfControl::AppendLayoutL(TAlfLayoutType aLayoutType,
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CAlfLayout* aParentLayout,
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TInt aImplementationUid)
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{
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CAlfLayout* layout = AlfVisualFactory::NewLayoutLC(aLayoutType,
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aParentLayout, *this, *iData->iEnv, aImplementationUid);
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TInt err = Append(layout, aParentLayout);
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User::LeaveIfError( err );
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CleanupStack::Pop(layout);
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return layout;
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}
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// ---------------------------------------------------------------------------
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// Returns indexed visual
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfVisual& CAlfControl::Visual(TInt aIndex) const
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{
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return *iData->iVisuals[aIndex];
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}
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// ---------------------------------------------------------------------------
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// Returns visual count.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C TInt CAlfControl::VisualCount() const
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{
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return iData->iVisuals.Count();
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}
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// ---------------------------------------------------------------------------
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// Finds visual with given tag.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfVisual* CAlfControl::FindTag(const TDesC8& aTag) const
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{
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ASSERT(iData);
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for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
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{
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if(iData->iVisuals[i]->TagMatches(aTag))
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{
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return iData->iVisuals[i];
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}
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}
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return NULL;
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}
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// ---------------------------------------------------------------------------
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// Returns host.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CAlfControl* CAlfControl::Host() const
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{
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return iData->iHost;
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}
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// ---------------------------------------------------------------------------
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// Sets host.
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CAlfControl::SetHost(CAlfControl* aHost)
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|
|
392 |
{
|
|
|
393 |
// do not call this function directly. This should be only called by the
|
|
|
394 |
// AddConnectionL and RemoveConnection functions.
|
|
|
395 |
|
|
|
396 |
if ( aHost )
|
|
|
397 |
{
|
|
|
398 |
// When adding a host, the host must be aware of this connection first.
|
|
|
399 |
__ASSERT_ALWAYS( aHost->FindConnection(this) != KErrNotFound, USER_INVARIANT() );
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
TRAPD(err, HostChangingL(aHost));
|
|
|
403 |
if(err != KErrNone)
|
|
|
404 |
{
|
|
|
405 |
if(aHost)
|
|
|
406 |
{
|
|
|
407 |
RemoveVisualsFromHostControl(*aHost);
|
|
|
408 |
}
|
|
|
409 |
return;
|
|
|
410 |
}
|
|
|
411 |
|
|
|
412 |
iData->iHost = aHost;
|
|
|
413 |
}
|
|
|
414 |
|
|
|
415 |
// ---------------------------------------------------------------------------
|
|
|
416 |
// Adds control connection.
|
|
|
417 |
// ---------------------------------------------------------------------------
|
|
|
418 |
//
|
|
|
419 |
EXPORT_C void CAlfControl::AddConnectionL(CAlfControl* aConnectedControl, TInt aRole)
|
|
|
420 |
{
|
|
|
421 |
// check that the connection does not exist:
|
|
|
422 |
if ( FindConnection( aConnectedControl ) != KErrNotFound )
|
|
|
423 |
{
|
|
|
424 |
User::Leave( KErrAlreadyExists );
|
|
|
425 |
}
|
|
|
426 |
|
|
|
427 |
TPrivateData::SConnection client;
|
|
|
428 |
client.iControl = aConnectedControl;
|
|
|
429 |
client.iRole = aRole;
|
|
|
430 |
User::LeaveIfError(iData->iConnections.Append(client));
|
|
|
431 |
|
|
|
432 |
// This control is now the client's host.
|
|
|
433 |
aConnectedControl->SetHost(this);
|
|
|
434 |
|
|
|
435 |
ConnectionAddedL(aConnectedControl, aRole);
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
// ---------------------------------------------------------------------------
|
|
|
439 |
// Removes control connection
|
|
|
440 |
// ---------------------------------------------------------------------------
|
|
|
441 |
//
|
|
|
442 |
EXPORT_C void CAlfControl::RemoveConnection(CAlfControl* aConnectedControl)
|
|
|
443 |
{
|
|
|
444 |
for(TInt i = 0; i < iData->iConnections.Count(); ++i)
|
|
|
445 |
{
|
|
|
446 |
if(iData->iConnections[i].iControl == aConnectedControl)
|
|
|
447 |
{
|
|
|
448 |
aConnectedControl->SetHost(NULL);
|
|
|
449 |
const TInt role = iData->iConnections[i].iRole;
|
|
|
450 |
iData->iConnections.Remove(i);
|
|
|
451 |
|
|
|
452 |
ConnectionRemoved(aConnectedControl, role);
|
|
|
453 |
return;
|
|
|
454 |
}
|
|
|
455 |
}
|
|
|
456 |
// The client must exist.
|
|
|
457 |
USER_INVARIANT();
|
|
|
458 |
}
|
|
|
459 |
|
|
|
460 |
// ---------------------------------------------------------------------------
|
|
|
461 |
// Returns connection count
|
|
|
462 |
// ---------------------------------------------------------------------------
|
|
|
463 |
//
|
|
|
464 |
EXPORT_C TInt CAlfControl::ConnectionCount() const
|
|
|
465 |
{
|
|
|
466 |
return iData->iConnections.Count();
|
|
|
467 |
}
|
|
|
468 |
|
|
|
469 |
// ---------------------------------------------------------------------------
|
|
|
470 |
// Returns indexed connection.
|
|
|
471 |
// ---------------------------------------------------------------------------
|
|
|
472 |
//
|
|
|
473 |
EXPORT_C CAlfControl& CAlfControl::Connection(TInt aIndex) const
|
|
|
474 |
{
|
|
|
475 |
return *iData->iConnections[aIndex].iControl;
|
|
|
476 |
}
|
|
|
477 |
|
|
|
478 |
// ---------------------------------------------------------------------------
|
|
|
479 |
// Returns ordinal-indexed connection.
|
|
|
480 |
// @deprecated
|
|
|
481 |
// ---------------------------------------------------------------------------
|
|
|
482 |
//
|
|
|
483 |
EXPORT_C CAlfControl& CAlfControl::ConnectionByOrdinal(TInt aOrdinal) const
|
|
|
484 |
{
|
|
|
485 |
// First look based on role.
|
|
|
486 |
for(TInt i = 0; i < iData->iConnections.Count(); ++i)
|
|
|
487 |
{
|
|
|
488 |
if(iData->iConnections[i].iRole == aOrdinal + 1)
|
|
|
489 |
{
|
|
|
490 |
return *iData->iConnections[i].iControl;
|
|
|
491 |
}
|
|
|
492 |
}
|
|
|
493 |
|
|
|
494 |
// Fall back to index.
|
|
|
495 |
return Connection(aOrdinal);
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
// ---------------------------------------------------------------------------
|
|
|
499 |
// Returns given connection index.
|
|
|
500 |
// ---------------------------------------------------------------------------
|
|
|
501 |
//
|
|
|
502 |
EXPORT_C TInt CAlfControl::FindConnection(const CAlfControl* aConnected) const
|
|
|
503 |
{
|
|
|
504 |
for(TInt i = 0; i < iData->iConnections.Count(); ++i)
|
|
|
505 |
{
|
|
|
506 |
if(iData->iConnections[i].iControl == aConnected)
|
|
|
507 |
{
|
|
|
508 |
return i;
|
|
|
509 |
}
|
|
|
510 |
}
|
|
|
511 |
return KErrNotFound;
|
|
|
512 |
}
|
|
|
513 |
|
|
|
514 |
// ---------------------------------------------------------------------------
|
|
|
515 |
// Returns connection role
|
|
|
516 |
// ---------------------------------------------------------------------------
|
|
|
517 |
//
|
|
|
518 |
EXPORT_C TInt CAlfControl::ConnectionRole(TInt aIndex) const
|
|
|
519 |
{
|
|
|
520 |
return iData->iConnections[aIndex].iRole;
|
|
|
521 |
}
|
|
|
522 |
|
|
|
523 |
// ---------------------------------------------------------------------------
|
|
|
524 |
// Returns connection ordinal
|
|
|
525 |
// @deprecated
|
|
|
526 |
// ---------------------------------------------------------------------------
|
|
|
527 |
//
|
|
|
528 |
EXPORT_C TInt CAlfControl::ConnectionOrdinal(TInt aIndex) const
|
|
|
529 |
{
|
|
|
530 |
if(iData->iConnections[aIndex].iRole)
|
|
|
531 |
{
|
|
|
532 |
return iData->iConnections[aIndex].iRole - 1;
|
|
|
533 |
}
|
|
|
534 |
return aIndex;
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
// ---------------------------------------------------------------------------
|
|
|
538 |
// Returns role
|
|
|
539 |
// ---------------------------------------------------------------------------
|
|
|
540 |
//
|
|
|
541 |
EXPORT_C TInt CAlfControl::Role() const
|
|
|
542 |
{
|
|
|
543 |
/*if(iHost)
|
|
|
544 |
{
|
|
|
545 |
return iHost->ClientRole(iHost->FindClient(this));
|
|
|
546 |
}
|
|
|
547 |
// Zero is the default role.
|
|
|
548 |
return 0;*/
|
|
|
549 |
return iData->iRole;
|
|
|
550 |
}
|
|
|
551 |
|
|
|
552 |
// ---------------------------------------------------------------------------
|
|
|
553 |
// Sets role
|
|
|
554 |
// ---------------------------------------------------------------------------
|
|
|
555 |
//
|
|
|
556 |
EXPORT_C void CAlfControl::SetRole(TInt aRole)
|
|
|
557 |
{
|
|
|
558 |
iData->iRole = aRole;
|
|
|
559 |
}
|
|
|
560 |
|
|
|
561 |
// ---------------------------------------------------------------------------
|
|
|
562 |
// Returns host ID.
|
|
|
563 |
// ---------------------------------------------------------------------------
|
|
|
564 |
//
|
|
|
565 |
EXPORT_C TInt CAlfControl::HostId() const
|
|
|
566 |
{
|
|
|
567 |
return iData->iHostId;
|
|
|
568 |
}
|
|
|
569 |
|
|
|
570 |
// ---------------------------------------------------------------------------
|
|
|
571 |
// Sets host ID
|
|
|
572 |
// ---------------------------------------------------------------------------
|
|
|
573 |
//
|
|
|
574 |
EXPORT_C void CAlfControl::SetHostId(TInt aHostId)
|
|
|
575 |
{
|
|
|
576 |
// If adding automatic visual host, there cannot be already one defined.
|
|
|
577 |
__ASSERT_ALWAYS( !iData->iHost, USER_INVARIANT() );
|
|
|
578 |
|
|
|
579 |
iData->iHostId = aHostId;
|
|
|
580 |
}
|
|
|
581 |
|
|
|
582 |
// ---------------------------------------------------------------------------
|
|
|
583 |
// Returns container layout if set.
|
|
|
584 |
// ---------------------------------------------------------------------------
|
|
|
585 |
//
|
|
|
586 |
EXPORT_C CAlfLayout* CAlfControl::ContainerLayout(const CAlfControl* /*aConnected*/) const
|
|
|
587 |
{
|
|
|
588 |
// Generic controls aren't able to provide container layouts.
|
|
|
589 |
return NULL;
|
|
|
590 |
}
|
|
|
591 |
|
|
|
592 |
// ---------------------------------------------------------------------------
|
|
|
593 |
// Called when new visual is added.
|
|
|
594 |
// ---------------------------------------------------------------------------
|
|
|
595 |
//
|
|
|
596 |
EXPORT_C void CAlfControl::VisualAddedL(CAlfVisual* aVisual)
|
|
|
597 |
{
|
|
|
598 |
// Add the new visual to the container layout.
|
|
|
599 |
if(iData->iHost && !aVisual->Layout())
|
|
|
600 |
{
|
|
|
601 |
CAlfLayout* container = iData->iHost->ContainerLayout(this);
|
|
|
602 |
if(container)
|
|
|
603 |
{
|
|
|
604 |
User::LeaveIfError( container->Append(aVisual) );
|
|
|
605 |
}
|
|
|
606 |
}
|
|
|
607 |
else
|
|
|
608 |
{
|
|
|
609 |
// @todo Calling ShowVisualL panics the server, becuase it has
|
|
|
610 |
// been called already on the construction.
|
|
|
611 |
/*
|
|
|
612 |
// If the control has been bound to a display (for example, when
|
|
|
613 |
// the control is shown), new visuals will be automatically shown.
|
|
|
614 |
if( iData->iBoundDisplay &&
|
|
|
615 |
(iData->iOwnerGroup &&
|
|
|
616 |
iData->iBoundDisplay->Roster().Find(
|
|
|
617 |
*iData->iOwnerGroup) != KErrNotFound) &&
|
|
|
618 |
!aVisual->Layout() && !aVisual->Display())
|
|
|
619 |
{
|
|
|
620 |
iData->iBoundDisplay->Roster().ShowVisualL(*aVisual);
|
|
|
621 |
}
|
|
|
622 |
*/
|
|
|
623 |
}
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
// ---------------------------------------------------------------------------
|
|
|
627 |
// Called when visual is removed.
|
|
|
628 |
// ---------------------------------------------------------------------------
|
|
|
629 |
//
|
|
|
630 |
EXPORT_C void CAlfControl::VisualRemoved(CAlfVisual* aVisual)
|
|
|
631 |
{
|
|
|
632 |
// Add the new visual to the container layout.
|
|
|
633 |
if(iData->iHost)
|
|
|
634 |
{
|
|
|
635 |
CAlfLayout* container = iData->iHost->ContainerLayout(this);
|
|
|
636 |
if(container && aVisual->Layout() == container )
|
|
|
637 |
{
|
|
|
638 |
container->Remove(aVisual);
|
|
|
639 |
}
|
|
|
640 |
}
|
|
|
641 |
}
|
|
|
642 |
|
|
|
643 |
// ---------------------------------------------------------------------------
|
|
|
644 |
// Called when connection is added.
|
|
|
645 |
// ---------------------------------------------------------------------------
|
|
|
646 |
//
|
|
|
647 |
EXPORT_C void CAlfControl::ConnectionAddedL(CAlfControl* /*aConnectedControl*/, TInt /*aRole*/)
|
|
|
648 |
{
|
|
|
649 |
// Do nothing.
|
|
|
650 |
}
|
|
|
651 |
|
|
|
652 |
// ---------------------------------------------------------------------------
|
|
|
653 |
// Called when connection is removed.
|
|
|
654 |
// ---------------------------------------------------------------------------
|
|
|
655 |
//
|
|
|
656 |
EXPORT_C void CAlfControl::ConnectionRemoved(CAlfControl* /*aConnectedControl*/, TInt /*aRole*/)
|
|
|
657 |
{
|
|
|
658 |
// Do nothing.
|
|
|
659 |
}
|
|
|
660 |
|
|
|
661 |
// ---------------------------------------------------------------------------
|
|
|
662 |
// Removes visual from layout.
|
|
|
663 |
// ---------------------------------------------------------------------------
|
|
|
664 |
//
|
|
|
665 |
void CAlfControl::RemoveVisualsFromHostControl( CAlfControl& aHostControl )
|
|
|
666 |
{
|
|
|
667 |
__ASSERT_ALWAYS( &aHostControl != this, USER_INVARIANT() );
|
|
|
668 |
|
|
|
669 |
// Remove the visuals.
|
|
|
670 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
671 |
{
|
|
|
672 |
if ( iData->iVisuals[i]->Layout() && &iData->iVisuals[i]->Layout()->Owner() == &aHostControl )
|
|
|
673 |
{
|
|
|
674 |
iData->iVisuals[i]->Layout()->Remove(iData->iVisuals[i]);
|
|
|
675 |
|
|
|
676 |
// If the own control group is showing still in some roster,
|
|
|
677 |
// we need to add the root visuals over there
|
|
|
678 |
/* // do we need this?
|
|
|
679 |
if ( iBoundDisplay )
|
|
|
680 |
{
|
|
|
681 |
TRAP_IGNORE( iBoundDisplay->Roster().ShowVisualL( iVisuals[i] ) );
|
|
|
682 |
}*/
|
|
|
683 |
}
|
|
|
684 |
}
|
|
|
685 |
}
|
|
|
686 |
|
|
|
687 |
// ---------------------------------------------------------------------------
|
|
|
688 |
// Called when the host is about to change
|
|
|
689 |
// ---------------------------------------------------------------------------
|
|
|
690 |
//
|
|
|
691 |
EXPORT_C void CAlfControl::HostChangingL(CAlfControl* aNewHost)
|
|
|
692 |
{
|
|
|
693 |
CAlfLayout* newContainer = 0;
|
|
|
694 |
TInt i = 0;
|
|
|
695 |
|
|
|
696 |
if(aNewHost)
|
|
|
697 |
{
|
|
|
698 |
// The container layout provided by the new host.
|
|
|
699 |
newContainer = aNewHost->ContainerLayout(this);
|
|
|
700 |
}
|
|
|
701 |
|
|
|
702 |
if(iData->iHost)
|
|
|
703 |
{
|
|
|
704 |
// There is a previous host.
|
|
|
705 |
// Remove the visuals.
|
|
|
706 |
RemoveVisualsFromHostControl(*iData->iHost);
|
|
|
707 |
}
|
|
|
708 |
|
|
|
709 |
if(newContainer)
|
|
|
710 |
{
|
|
|
711 |
for(i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
712 |
{
|
|
|
713 |
// Only the visuals that aren't already attached to a layout
|
|
|
714 |
// are added to the container layout.
|
|
|
715 |
if(!iData->iVisuals[i]->Layout())
|
|
|
716 |
{
|
|
|
717 |
User::LeaveIfError( newContainer->Append(iData->iVisuals[i]) );
|
|
|
718 |
}
|
|
|
719 |
}
|
|
|
720 |
}
|
|
|
721 |
}
|
|
|
722 |
|
|
|
723 |
// ---------------------------------------------------------------------------
|
|
|
724 |
// Shows conttol on the given display
|
|
|
725 |
// ---------------------------------------------------------------------------
|
|
|
726 |
//
|
|
|
727 |
EXPORT_C void CAlfControl::ShowL(CAlfDisplay& aDisplay)
|
|
|
728 |
{
|
|
|
729 |
if(HostId())
|
|
|
730 |
{
|
|
|
731 |
CAlfControl* host = Env().FindControl(HostId());
|
|
|
732 |
|
|
|
733 |
if(host)
|
|
|
734 |
{
|
|
|
735 |
host->AddConnectionL(this, Role());
|
|
|
736 |
}
|
|
|
737 |
else
|
|
|
738 |
{
|
|
|
739 |
/** @todo Leave? */
|
|
|
740 |
}
|
|
|
741 |
}
|
|
|
742 |
|
|
|
743 |
BindDisplay(aDisplay);
|
|
|
744 |
|
|
|
745 |
// @todo: do we need this? the roster::show is already passed
|
|
|
746 |
// to the server side, which call the same thing.
|
|
|
747 |
|
|
|
748 |
// Show all the visuals on the specified display.
|
|
|
749 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
750 |
{
|
|
|
751 |
|
|
|
752 |
// Set the display of the root visual
|
|
|
753 |
if( !iData->iVisuals[i]->Layout() )
|
|
|
754 |
{
|
|
|
755 |
iData->iVisuals[i]->SetDisplay( &aDisplay );
|
|
|
756 |
}
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
NotifyControlVisibility(ETrue, aDisplay);
|
|
|
760 |
}
|
|
|
761 |
|
|
|
762 |
// ---------------------------------------------------------------------------
|
|
|
763 |
// Hides control from the given display
|
|
|
764 |
// ---------------------------------------------------------------------------
|
|
|
765 |
//
|
|
|
766 |
void CAlfControl::Hide(CAlfDisplay& aDisplay)
|
|
|
767 |
{
|
|
|
768 |
NotifyControlVisibility(EFalse, aDisplay);
|
|
|
769 |
|
|
|
770 |
// Hide all the visuals on the specified display.
|
|
|
771 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
772 |
{
|
|
|
773 |
// The visuals that are part of a layout will be shown when the
|
|
|
774 |
// layout is shown.
|
|
|
775 |
if(!iData->iVisuals[i]->Layout() && iData->iVisuals[i]->Display() == &aDisplay)
|
|
|
776 |
{
|
|
|
777 |
aDisplay.Roster().HideVisual(*iData->iVisuals[i]);
|
|
|
778 |
}
|
|
|
779 |
}
|
|
|
780 |
|
|
|
781 |
// Relinquish focus on this display
|
|
|
782 |
CAlfRoster& roster = aDisplay.Roster();
|
|
|
783 |
if ( roster.FocusedControl() == this )
|
|
|
784 |
{
|
|
|
785 |
roster.ClearFocus();
|
|
|
786 |
}
|
|
|
787 |
|
|
|
788 |
// Unbind from display?
|
|
|
789 |
if(iData->iBoundDisplay == &aDisplay)
|
|
|
790 |
{
|
|
|
791 |
iData->iBoundDisplay = NULL;
|
|
|
792 |
}
|
|
|
793 |
|
|
|
794 |
// Unlink from parent control.
|
|
|
795 |
if(Host() && HostId() )
|
|
|
796 |
{
|
|
|
797 |
Host()->RemoveConnection(this);
|
|
|
798 |
}
|
|
|
799 |
}
|
|
|
800 |
|
|
|
801 |
// ---------------------------------------------------------------------------
|
|
|
802 |
// Called when visibility changes.
|
|
|
803 |
// ---------------------------------------------------------------------------
|
|
|
804 |
//
|
|
|
805 |
EXPORT_C void CAlfControl::NotifyControlVisibility(TBool /*aIsVisible*/,
|
|
|
806 |
CAlfDisplay& /*aDisplay*/)
|
|
|
807 |
{
|
|
|
808 |
// Nothing to do by default.
|
|
|
809 |
}
|
|
|
810 |
|
|
|
811 |
// ---------------------------------------------------------------------------
|
|
|
812 |
// Converts point from relative to absolute coordinates
|
|
|
813 |
// ---------------------------------------------------------------------------
|
|
|
814 |
//
|
|
|
815 |
EXPORT_C TPoint CAlfControl::HostToDisplay(const TPoint& aPoint) const
|
|
|
816 |
{
|
|
|
817 |
if(!iData->iHost)
|
|
|
818 |
{
|
|
|
819 |
return aPoint;
|
|
|
820 |
}
|
|
|
821 |
|
|
|
822 |
CAlfLayout* container = iData->iHost->ContainerLayout(this);
|
|
|
823 |
|
|
|
824 |
return container->LocalToDisplay(aPoint) + container->Pos().Target();
|
|
|
825 |
}
|
|
|
826 |
|
|
|
827 |
// ---------------------------------------------------------------------------
|
|
|
828 |
// Converts point from absolute to relative coordinates
|
|
|
829 |
// ---------------------------------------------------------------------------
|
|
|
830 |
//
|
|
|
831 |
EXPORT_C TPoint CAlfControl::DisplayToHost(const TPoint& aPoint) const
|
|
|
832 |
{
|
|
|
833 |
if(!iData->iHost)
|
|
|
834 |
{
|
|
|
835 |
return aPoint;
|
|
|
836 |
}
|
|
|
837 |
|
|
|
838 |
CAlfLayout* container = iData->iHost->ContainerLayout(this);
|
|
|
839 |
|
|
|
840 |
return container->DisplayToLocal(aPoint) - container->Pos().Target();
|
|
|
841 |
}
|
|
|
842 |
|
|
|
843 |
// ---------------------------------------------------------------------------
|
|
|
844 |
// Returns bounding rect.
|
|
|
845 |
// ---------------------------------------------------------------------------
|
|
|
846 |
//
|
|
|
847 |
EXPORT_C TRect CAlfControl::Bounds() const
|
|
|
848 |
{
|
|
|
849 |
TPoint min;
|
|
|
850 |
TPoint max;
|
|
|
851 |
|
|
|
852 |
min.iX = KMaxTInt;
|
|
|
853 |
min.iY = KMaxTInt;
|
|
|
854 |
max.iX = KMinTInt;
|
|
|
855 |
max.iY = KMinTInt;
|
|
|
856 |
|
|
|
857 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
858 |
{
|
|
|
859 |
TRect visualRect = iData->iVisuals[i]->DisplayRectTarget();
|
|
|
860 |
|
|
|
861 |
min.iX = Min(min.iX, visualRect.iTl.iX);
|
|
|
862 |
min.iY = Min(min.iY, visualRect.iTl.iY);
|
|
|
863 |
max.iX = Max(max.iX, visualRect.iBr.iX);
|
|
|
864 |
max.iY = Max(max.iY, visualRect.iBr.iY);
|
|
|
865 |
}
|
|
|
866 |
|
|
|
867 |
return TRect(min, max);
|
|
|
868 |
}
|
|
|
869 |
|
|
|
870 |
// ---------------------------------------------------------------------------
|
|
|
871 |
// Is the given point inside the control area?
|
|
|
872 |
// ---------------------------------------------------------------------------
|
|
|
873 |
//
|
|
|
874 |
EXPORT_C TBool CAlfControl::HitTest(const TPoint& aPoint) const
|
|
|
875 |
{
|
|
|
876 |
return Bounds().Contains(aPoint);
|
|
|
877 |
}
|
|
|
878 |
|
|
|
879 |
|
|
|
880 |
// ---------------------------------------------------------------------------
|
|
|
881 |
// Tries to get the focus.
|
|
|
882 |
// ---------------------------------------------------------------------------
|
|
|
883 |
//
|
|
|
884 |
EXPORT_C void CAlfControl::AcquireFocus()
|
|
|
885 |
{
|
|
|
886 |
if ( !AcceptInput() ) // Cannot take focus to this control
|
|
|
887 |
{
|
|
|
888 |
return;
|
|
|
889 |
}
|
|
|
890 |
|
|
|
891 |
// Focus is set set separately in each display the control has visuals in.
|
|
|
892 |
// Find all the displays
|
|
|
893 |
RPointerArray<CAlfDisplay> displays;
|
|
|
894 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
895 |
{
|
|
|
896 |
if(iData->iVisuals[i]->Display())
|
|
|
897 |
{
|
|
|
898 |
// Do not allow duplicates. Ignore error.
|
|
|
899 |
(void)displays.InsertInAddressOrder( iData->iVisuals[i]->Display() );
|
|
|
900 |
}
|
|
|
901 |
}
|
|
|
902 |
|
|
|
903 |
// go through the displays
|
|
|
904 |
for ( TInt d = 0 ; d < displays.Count() ; d++ )
|
|
|
905 |
{
|
|
|
906 |
if ( displays[d]->Roster().FocusedControl() != this )
|
|
|
907 |
{
|
|
|
908 |
displays[d]->Roster().SetFocus(*this );
|
|
|
909 |
}
|
|
|
910 |
}
|
|
|
911 |
|
|
|
912 |
displays.Close();
|
|
|
913 |
}
|
|
|
914 |
|
|
|
915 |
// ---------------------------------------------------------------------------
|
|
|
916 |
// Attempt to remove the focus from this control
|
|
|
917 |
// ---------------------------------------------------------------------------
|
|
|
918 |
//
|
|
|
919 |
EXPORT_C void CAlfControl::RelinquishFocus()
|
|
|
920 |
{
|
|
|
921 |
// Focus needs to be removed from all displays that the control has visuals in
|
|
|
922 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
923 |
{
|
|
|
924 |
if(iData->iVisuals[i]->Display())
|
|
|
925 |
{
|
|
|
926 |
// This method should have no effect on rosters where this does not match the currently focused control
|
|
|
927 |
CAlfRoster& roster = iData->iVisuals[i]->Display()->Roster();
|
|
|
928 |
if ( roster.FocusedControl() == this )
|
|
|
929 |
{
|
|
|
930 |
roster.ClearFocus(); // Potentially called repeatedly for each visual. Optimization is in CAlfRoster
|
|
|
931 |
}
|
|
|
932 |
}
|
|
|
933 |
}
|
|
|
934 |
}
|
|
|
935 |
// ---------------------------------------------------------------------------
|
|
|
936 |
// Does this control have focus?
|
|
|
937 |
// ---------------------------------------------------------------------------
|
|
|
938 |
//
|
|
|
939 |
EXPORT_C TBool CAlfControl::Focus() const
|
|
|
940 |
{
|
|
|
941 |
return iData->iHasFocus;
|
|
|
942 |
}
|
|
|
943 |
|
|
|
944 |
// ---------------------------------------------------------------------------
|
|
|
945 |
// Is one of the child focused?
|
|
|
946 |
// ---------------------------------------------------------------------------
|
|
|
947 |
//
|
|
|
948 |
EXPORT_C CAlfControl* CAlfControl::FocusedConnection() const
|
|
|
949 |
{
|
|
|
950 |
CAlfControl* focusChild = NULL;
|
|
|
951 |
|
|
|
952 |
const TInt connectionCount = ConnectionCount();
|
|
|
953 |
for ( TInt c = 0 ; c < connectionCount && !focusChild ; c++ )
|
|
|
954 |
{
|
|
|
955 |
CAlfControl& childConnection = Connection(c);
|
|
|
956 |
if ( childConnection.Focus() || childConnection.FocusedConnection() )
|
|
|
957 |
{
|
|
|
958 |
focusChild = &childConnection;
|
|
|
959 |
}
|
|
|
960 |
}
|
|
|
961 |
|
|
|
962 |
return focusChild;
|
|
|
963 |
}
|
|
|
964 |
|
|
|
965 |
// ---------------------------------------------------------------------------
|
|
|
966 |
//
|
|
|
967 |
// ---------------------------------------------------------------------------
|
|
|
968 |
//
|
|
|
969 |
void CAlfControl::FocusChainChanged( TBool aInFocusChain )
|
|
|
970 |
{
|
|
|
971 |
TAny* pInFocusChain = &aInFocusChain;
|
|
|
972 |
PropertyOwnerExtension( KUidAlfPropOwnerExtControlFocusChainChanged, &pInFocusChain );
|
|
|
973 |
}
|
|
|
974 |
|
|
|
975 |
// ---------------------------------------------------------------------------
|
|
|
976 |
// Sets focus
|
|
|
977 |
// ---------------------------------------------------------------------------
|
|
|
978 |
//
|
|
|
979 |
void CAlfControl::SetFocus(CAlfDisplay& aDisplay, TBool aHasFocus)
|
|
|
980 |
{
|
|
|
981 |
if ( ( iData->iHasFocus && !aHasFocus ) ||
|
|
|
982 |
( !iData->iHasFocus && aHasFocus ) )
|
|
|
983 |
{
|
|
|
984 |
iData->iHasFocus = aHasFocus;
|
|
|
985 |
FocusChanged(aDisplay, aHasFocus);
|
|
|
986 |
}
|
|
|
987 |
}
|
|
|
988 |
|
|
|
989 |
// ---------------------------------------------------------------------------
|
|
|
990 |
// Is focusing control?
|
|
|
991 |
// ---------------------------------------------------------------------------
|
|
|
992 |
//
|
|
|
993 |
EXPORT_C TBool CAlfControl::IsFocusing() const
|
|
|
994 |
{
|
|
|
995 |
return iData->iFocusing;
|
|
|
996 |
}
|
|
|
997 |
|
|
|
998 |
// ---------------------------------------------------------------------------
|
|
|
999 |
// Set is focusing control.
|
|
|
1000 |
// ---------------------------------------------------------------------------
|
|
|
1001 |
//
|
|
|
1002 |
void CAlfControl::SetFocusing(TBool aFocusing)
|
|
|
1003 |
{
|
|
|
1004 |
iData->iFocusing = aFocusing;
|
|
|
1005 |
}
|
|
|
1006 |
|
|
|
1007 |
// ---------------------------------------------------------------------------
|
|
|
1008 |
// Called when focus changes.
|
|
|
1009 |
// ---------------------------------------------------------------------------
|
|
|
1010 |
//
|
|
|
1011 |
EXPORT_C void CAlfControl::FocusChanged(CAlfDisplay& /*aDisplay*/, TBool /*aFocused*/)
|
|
|
1012 |
{
|
|
|
1013 |
// Do nothing by default.
|
|
|
1014 |
}
|
|
|
1015 |
|
|
|
1016 |
// ---------------------------------------------------------------------------
|
|
|
1017 |
// Does control group accept input?
|
|
|
1018 |
// ---------------------------------------------------------------------------
|
|
|
1019 |
//
|
|
|
1020 |
EXPORT_C TBool CAlfControl::AcceptInput() const
|
|
|
1021 |
{
|
|
|
1022 |
if(iData->iOwnerGroup)
|
|
|
1023 |
{
|
|
|
1024 |
return iData->iOwnerGroup->AcceptInput();
|
|
|
1025 |
}
|
|
|
1026 |
return ETrue;
|
|
|
1027 |
}
|
|
|
1028 |
|
|
|
1029 |
|
|
|
1030 |
// ---------------------------------------------------------------------------
|
|
|
1031 |
// Called when event is received.
|
|
|
1032 |
// ---------------------------------------------------------------------------
|
|
|
1033 |
//
|
|
|
1034 |
EXPORT_C TBool CAlfControl::OfferEventL(const TAlfEvent& /*aEvent*/)
|
|
|
1035 |
{
|
|
|
1036 |
return EFalse;
|
|
|
1037 |
}
|
|
|
1038 |
|
|
|
1039 |
// ---------------------------------------------------------------------------
|
|
|
1040 |
// Returns control area.
|
|
|
1041 |
// ---------------------------------------------------------------------------
|
|
|
1042 |
//
|
|
|
1043 |
EXPORT_C TRect CAlfControl::DisplayArea() const
|
|
|
1044 |
{
|
|
|
1045 |
if(iData->iBoundDisplay)
|
|
|
1046 |
{
|
|
|
1047 |
return iData->iBoundDisplay->VisibleArea();
|
|
|
1048 |
}
|
|
|
1049 |
|
|
|
1050 |
// The first visual shown on a display determines the display area.
|
|
|
1051 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
1052 |
{
|
|
|
1053 |
if(iData->iVisuals[i]->Display())
|
|
|
1054 |
{
|
|
|
1055 |
return iData->iVisuals[i]->Display()->VisibleArea();
|
|
|
1056 |
}
|
|
|
1057 |
}
|
|
|
1058 |
|
|
|
1059 |
if(!Env().DisplayCount())
|
|
|
1060 |
{
|
|
|
1061 |
// No displays created in the environment yet. Assume device
|
|
|
1062 |
// native resolution.
|
|
|
1063 |
//return TRect(TPoint(0, 0), AlfUtil::ScreenSize());
|
|
|
1064 |
CCoeEnv* coe = CCoeEnv::Static();
|
|
|
1065 |
if ( coe )
|
|
|
1066 |
{
|
|
|
1067 |
return static_cast<CEikAppUi*>(coe->AppUi())->ClientRect();
|
|
|
1068 |
}
|
|
|
1069 |
else
|
|
|
1070 |
{
|
|
|
1071 |
return TRect( 0,0,0,0 );
|
|
|
1072 |
}
|
|
|
1073 |
}
|
|
|
1074 |
|
|
|
1075 |
// Assume it is the primary display, then.
|
|
|
1076 |
return Env().PrimaryDisplay().VisibleArea();
|
|
|
1077 |
}
|
|
|
1078 |
|
|
|
1079 |
// ---------------------------------------------------------------------------
|
|
|
1080 |
// Returns the center point of the area.
|
|
|
1081 |
// ---------------------------------------------------------------------------
|
|
|
1082 |
//
|
|
|
1083 |
EXPORT_C TAlfRealPoint CAlfControl::DisplayCenter() const
|
|
|
1084 |
{
|
|
|
1085 |
TRect area(DisplayArea());
|
|
|
1086 |
return area.iTl + TAlfRealPoint(area.Width()/2.f, area.Height()/2.f);
|
|
|
1087 |
}
|
|
|
1088 |
|
|
|
1089 |
// ---------------------------------------------------------------------------
|
|
|
1090 |
// Cancels all commands
|
|
|
1091 |
// ---------------------------------------------------------------------------
|
|
|
1092 |
//
|
|
|
1093 |
EXPORT_C void CAlfControl::CancelAllCommands()
|
|
|
1094 |
{
|
|
|
1095 |
iData->iEnv->CancelCustomCommands(this);
|
|
|
1096 |
iData->iEnv->CancelCommands(this);
|
|
|
1097 |
|
|
|
1098 |
for(TInt i = 0; i < iData->iVisuals.Count(); ++i)
|
|
|
1099 |
{
|
|
|
1100 |
iData->iEnv->CancelCommands(iData->iVisuals[i]);
|
|
|
1101 |
}
|
|
|
1102 |
}
|
|
|
1103 |
|
|
|
1104 |
// ---------------------------------------------------------------------------
|
|
|
1105 |
// Clear flag.
|
|
|
1106 |
// ---------------------------------------------------------------------------
|
|
|
1107 |
//
|
|
|
1108 |
void CAlfControl::ClearChanged()
|
|
|
1109 |
{ // todo: does client need to access this information
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
// ---------------------------------------------------------------------------
|
|
|
1113 |
// Called when layout changes.
|
|
|
1114 |
// ---------------------------------------------------------------------------
|
|
|
1115 |
//
|
|
|
1116 |
EXPORT_C void CAlfControl::VisualDestroyed(CAlfVisual& aVisual)
|
|
|
1117 |
{
|
|
|
1118 |
// If called from CAlfVisual::RemoveAndDestroyAllD the server
|
|
|
1119 |
// side object is removed also automatically. Otherwise not..
|
|
|
1120 |
Remove(&aVisual);
|
|
|
1121 |
}
|
|
|
1122 |
|
|
|
1123 |
// ---------------------------------------------------------------------------
|
|
|
1124 |
// Called when visual layout is updated (see visual flags)
|
|
|
1125 |
// ---------------------------------------------------------------------------
|
|
|
1126 |
//
|
|
|
1127 |
EXPORT_C void CAlfControl::VisualLayoutUpdated(CAlfVisual& /*aVisual*/)
|
|
|
1128 |
{
|
|
|
1129 |
|
|
|
1130 |
}
|
|
|
1131 |
|
|
|
1132 |
// ---------------------------------------------------------------------------
|
|
|
1133 |
// Called when draw preparation failed (not implemented currenltly)
|
|
|
1134 |
// ---------------------------------------------------------------------------
|
|
|
1135 |
//
|
|
|
1136 |
EXPORT_C void CAlfControl::VisualPrepareDrawFailed(CAlfVisual& /*aVisual*/, TInt /*aErrorCode*/)
|
|
|
1137 |
{
|
|
|
1138 |
|
|
|
1139 |
}
|
|
|
1140 |
|
|
|
1141 |
// ---------------------------------------------------------------------------
|
|
|
1142 |
// future proofing
|
|
|
1143 |
// ---------------------------------------------------------------------------
|
|
|
1144 |
//
|
|
|
1145 |
EXPORT_C void CAlfControl::PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams)
|
|
|
1146 |
{
|
|
|
1147 |
CAlfPropertyOwner::PropertyOwnerExtension(aExtensionUid, aExtensionParams);
|
|
|
1148 |
}
|
|
|
1149 |
|