author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 25 May 2010 13:16:14 +0300 | |
branch | RCL_3 |
changeset 15 | 125793e17004 |
parent 0 | e83bab7cf002 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 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: Implementation of the resource pool |
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* |
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*/ |
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#ifndef ALF_RESOURCEPOOL_IMPL_H |
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#define ALF_RESOURCEPOOL_IMPL_H |
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#include <alf/alfimage.h> |
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#include <alf/alfmetric.h> |
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#include <alf/alfimageloaderutil.h> |
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#include <osn/ustring.h> |
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#include <osn/alfptrvector.h> |
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#include <vector> |
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#include "alf/alfresourcepool.h" |
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class CAlfTextureManager; |
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namespace Alf |
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{ |
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//Forward declaration |
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using namespace osncore; |
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/** |
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* ?one_line_short_description |
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* ?more_complete_description |
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* |
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* @code |
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* ?good_class_usage_example(s) |
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* @endcode |
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* |
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* @lib ?library |
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* @since S60 ?S60_version *** for example, S60 v3.0 |
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*/ |
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class ResourcePoolImpl |
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{ |
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private: |
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enum ImageResourceType |
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{ |
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imageResourceTypeSkin, |
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imageResourceTypeFileSVG, |
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imageResourceTypeFileOther |
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}; |
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struct ResourceInstanceData |
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{ |
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ResourceInstanceData(): mTextureId(0), mImageLoaderUtil(0), mAutoSizeTexture(false) {} |
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~ResourceInstanceData() { delete mImageLoaderUtil; } |
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int mTextureId; |
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CAlfAutoSizeImageLoaderUtil* mImageLoaderUtil; |
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bool mAutoSizeTexture; |
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}; |
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struct ImageResource |
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{ |
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ImageResource(); |
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virtual ~ImageResource(); |
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Utf8* mTag; |
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ImageResourceType mType; |
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AlfPtrVector<ResourceInstanceData> mLoadedTextures; |
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TAlfXYMetric mInitialSizeHint; |
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ResourcePool::AspectRatio mAspectRatio; |
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int mReferenceCount; |
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TAlfTextureFlags mFlag; |
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}; |
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struct SkinImageResource : public ImageResource |
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{ |
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int mSkinIdMajor; |
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int mSkinIdMinor; |
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UString mFallBackFileName; |
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int mFallBackIndex; |
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int mFallBackMaskIndex; |
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}; |
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struct FileImageResource : public ImageResource |
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{ |
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UString mFileName; |
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}; |
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public: |
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ResourcePoolImpl( |
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CAlfTextureManager& aTextureManager , |
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ResourcePool* aParentPool ); |
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~ResourcePoolImpl(); |
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void createLogicalImageResource( const Utf8* aTag ); |
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void createThemeImageResource( |
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const Utf8* aTag, |
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const UString& aThemeDefinition ); |
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void createFileImageResource( |
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const Utf8* aTag, |
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const UString& aFileName ,TAlfTextureFlags aFlag); |
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void deleteImageResource( const Utf8* aTag ); |
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bool hasImageResource( const Utf8* aTag ) const; |
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void setInitialSize( |
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const Utf8* aTag, |
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const TAlfXYMetric& aInitialSizeHint ); |
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void setAspectRatio( |
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const Utf8* aTag, |
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ResourcePool::AspectRatio aAspectRatio ); |
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TAlfImage getImageResource( const Utf8* aTag ); |
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TAlfImage getImageResource( |
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const Utf8* aTag, |
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const TAlfXYMetric& aSizeHint ); |
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private: |
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ImageResource* findResource( const Utf8* aTag ) const; |
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int findResourceIndex( const Utf8* aTag ) const; |
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void DetermineSkinInstanceL( const Utf8* aTag, TAknsItemID& aSkinItemID ) const; |
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TSize determineSizeInPixels( const TAlfXYMetric& aSize ); |
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void determineSkinId( const UString& aNumberString, int& aSkinItem ); |
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TAlfImage CreateSkinImageResourceL(SkinImageResource& aSkinImageResource, const TAlfXYMetric& aSizeHint); |
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TAlfImage CreateFileImageResourceL(FileImageResource& aFileImageResource, const TAlfXYMetric& aSizeHint ,TAlfTextureFlags aFlag); |
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TAlfImage CreateSVGImageResourceL(FileImageResource& aSVGImageResource, const TAlfXYMetric& aSizeHint); |
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static bool areSizesCloseEnough( const TSize& aSize1, const TSize& aSize2 ); |
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private: |
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CAlfTextureManager& mTextureManager; |
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ResourcePool* mParentPool; |
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AlfPtrVector<ImageResource> mResources; // use hash table instead? |
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}; |
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} // namespace Alf |
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#endif // ALF_RESOURCEPOOL_IMPL_H |