widgetmodel/alfwidgetmodel/src/alfcommonattributesetter.cpp
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgetmodel/alfwidgetmodel/src/alfcommonattributesetter.cpp	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,235 @@
+/*
+* Copyright (c) 2007 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:   This class implements common attribute setters.
+*
+*/
+
+
+#include <libc/string.h>
+#include <utf.h>
+
+#include <osn/ustring.h>
+#include <stdexcept>
+#include "alf/attrproperty.h"
+
+#include "alf/alfattribute.h"
+#include "alf/alfcommonattributesetter.h"
+#include <alf/alfvisual.h>
+#include <alf/alfattributeexception.h>
+#include "alf/alfattributecontainer.h"
+
+using namespace duiuimodel::commonattributes;
+
+namespace Alf
+    {
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfCommonAttributeSetter::AlfCommonAttributeSetter()
+    {
+    mDoDirtycheck=false;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT AlfCommonAttributeSetter::~AlfCommonAttributeSetter()
+    {
+
+    }
+
+// ---------------------------------------------------------------------------
+// Returns the type of the attribute setter.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT SetterType AlfCommonAttributeSetter::setterType()
+    {
+    return ECustomAttributeSetter;
+    }
+
+// ---------------------------------------------------------------------------
+// Sets an attribute value in the target visual immediately
+// without a transition.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfCommonAttributeSetter::setAttributeValue(
+    CAlfVisual &aVisual,
+    AlfAttributeContainer* aContainer,
+    IAlfMap* aData)
+    {
+    if (!aContainer)
+        {
+        ALF_THROW ( AlfAttributeException, EInvalidAttribute,
+                    "AlfCommonAttributeSetter" )
+        }
+
+    unsigned int attrCount = aContainer->attributeCount();
+    for (int i=0; i<attrCount; ++i)
+        {
+        AlfAttribute& attr = aContainer->getAttribute(i);
+        const char* attrName = attr.name();
+
+        if (attr.category() == AlfAttribute::EStaticData)
+            {
+            handleStaticDataAttribute(aVisual, attr, *aContainer, aData);
+            }
+        else if (attr.category() == AlfAttribute::EDynamicData)
+            {
+            handleDynamicDataAttribute(aVisual, attr, *aContainer, aData);
+            }
+        else if (attr.category() == AlfAttribute::EStatic)
+            {
+            if ((mDoDirtycheck&&attr.isDirty())||!mDoDirtycheck)
+                {
+                handleStaticAttribute(aVisual, attr, *aContainer);
+                }
+            attr.setDirty(false);
+
+            }
+        else if (attr.category() == AlfAttribute::EDynamic)
+            {
+            if ((mDoDirtycheck&&attr.isDirty())||!mDoDirtycheck)
+                {
+                handleDynamicAttribute(aVisual, attr, *aContainer);
+                }
+            attr.setDirty(false);
+
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Creates a command to change the value of an attribute in the target visual.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT TAlfCommand* AlfCommonAttributeSetter::createCommand(
+    CAlfVisual& /*aVisual*/, AlfAttributeContainer* /*aContainer*/,
+    IAlfMap* /*aData*/, int /*aTransitionTime*/, CAlfVisual* /*aRefVisual*/)
+    {
+    // No need to implement.
+    TAlfCommand* cmd = 0;
+    return cmd;
+    }
+
+// ---------------------------------------------------------------------------
+// Creates commands to change the given attribute values in the target visual.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT void AlfCommonAttributeSetter::createAndSendCommands(
+    CAlfVisual& /*aVisual*/, AlfAttributeContainer* /*aContainer*/,
+    CAlfVisual* /*aRefVisual*/)
+    {
+    // No need to implement.
+    }
+
+// ---------------------------------------------------------------------------
+// Getter for interfaces provided by the element classes.
+// ---------------------------------------------------------------------------
+//
+OSN_EXPORT IAlfInterfaceBase* AlfCommonAttributeSetter::makeInterface(
+    const IfId& aType)
+    {
+    UString param(aType.mImplementationId);
+    if (param == IAlfAttributeSetter::type().mImplementationId)
+        {
+        return this;
+        }
+    return NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// Converts text between Unicode (UCS-2) and the Unicode transformation
+// format UTF-8.
+// ---------------------------------------------------------------------------
+//
+HBufC* AlfCommonAttributeSetter::convertToUnicodeFromUtf8(
+    const TPtrC8& aSrc) const
+    {
+    HBufC* desValue = 0;
+    TRAPD( err, desValue = CnvUtfConverter::ConvertToUnicodeFromUtf8L(aSrc))
+    if (err != KErrNone)
+        {
+        ALF_THROW(AlfAttributeException, err,"AlfCommonAttributeSetter")
+        }
+    return desValue;
+    }
+
+// ---------------------------------------------------------------------------
+// Sets a value of a static attribute to target visual immediately
+// without a transition.
+// ---------------------------------------------------------------------------
+//
+void AlfCommonAttributeSetter::handleStaticAttribute(
+    CAlfVisual& aVisual, AlfAttribute& aAttr,
+    AlfAttributeContainer& /*aContainer*/)
+    {
+    const char* attrName = aAttr.name();
+    if (!strcmp(attrName, KId))
+        {
+        const char* val = aAttr.stringValue().getUtf8();
+        TPtrC8 src((TUint8*)val);
+        TRAPD(err, aVisual.SetTagL( src ));
+        if (err)
+            {
+            ALF_THROW(AlfAttributeException, err,
+                      "AlfCommonAttributeSetter")
+            }
+        }
+    }
+// ---------------------------------------------------------------------------
+// Sets a dynamic attribute value in the target visual using transitions
+// defined in attributes.
+// ---------------------------------------------------------------------------
+//
+void AlfCommonAttributeSetter::handleDynamicAttribute(
+    CAlfVisual& /*aVisual*/, AlfAttribute& /*aAttr*/,
+    AlfAttributeContainer& /*aContainer*/)
+    {
+    //nothing to do
+    }
+
+// ---------------------------------------------------------------------------
+// Sets a value for static data attribute in the target visual
+// immediately without a transition using data in map.
+// ---------------------------------------------------------------------------
+//
+void AlfCommonAttributeSetter::handleStaticDataAttribute(
+    CAlfVisual& /*aVisual*/, AlfAttribute& /*aAttr*/,
+    AlfAttributeContainer& /*aContainer*/, IAlfMap* /*aData*/)
+    {
+    //nothing to do
+    }
+
+// ---------------------------------------------------------------------------
+// Sets a value for dynamic data attribute value in the target visual
+// using transitions and data in map.
+// ---------------------------------------------------------------------------
+//
+void AlfCommonAttributeSetter::handleDynamicDataAttribute(
+    CAlfVisual& /*aVisual*/, AlfAttribute& /*aAttr*/,
+    AlfAttributeContainer& /*aContainer*/, IAlfMap* /*aData*/)
+    {
+    //nothing to do
+    }
+
+OSN_EXPORT void AlfCommonAttributeSetter::enableDirtyCheck(bool aCheck)
+    {
+    mDoDirtycheck=aCheck;
+    }
+    } // Alf