KisResourceStorage::ResourceIterator Class Reference

#include <KisResourceStorage.h>

Inheritance diagram for KisResourceStorage::ResourceIterator:

Public Member Functions
virtual int	guessedVersion () const
virtual bool	hasNext () const =0
virtual QDateTime	lastModified () const =0
virtual void	next ()=0
	The iterator is only valid if next() has been called at least once.
KoResourceSP	resource () const
virtual QString	type () const =0
virtual QString	url () const =0
virtual QSharedPointer< KisResourceStorage::ResourceIterator >	versions () const
virtual	~ResourceIterator ()

Protected Member Functions
virtual KoResourceSP	resourceImpl () const =0
	This only loads the resource when called.

Private Attributes
KoResourceSP	m_cachedResource
QString	m_cachedResourceUrl

Detailed Description

Definition at line 77 of file KisResourceStorage.h.

Constructor & Destructor Documentation

~ResourceIterator()

virtual KisResourceStorage::ResourceIterator::~ResourceIterator ( )

inlinevirtual

Definition at line 81 of file KisResourceStorage.h.

{}

Member Function Documentation

guessedVersion()

virtual int KisResourceStorage::ResourceIterator::guessedVersion ( ) const

inlinevirtual

Reimplemented in KisVersionedStorageIterator.

Definition at line 90 of file KisResourceStorage.h.

{ return 0; }

hasNext()

virtual bool KisResourceStorage::ResourceIterator::hasNext ( ) const

pure virtual

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

lastModified()

virtual QDateTime KisResourceStorage::ResourceIterator::lastModified ( ) const

pure virtual

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

next()

virtual void KisResourceStorage::ResourceIterator::next ( )

pure virtual

The iterator is only valid if next() has been called at least once.

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

resource()

KoResourceSP KisResourceStorage::ResourceIterator::resource

(

)

const

Definition at line 524 of file KisResourceStorage.cpp.

{
    if (m_cachedResource && m_cachedResourceUrl == url()) {
        return m_cachedResource;
    }
 
    m_cachedResource = resourceImpl();
    m_cachedResourceUrl = url();
 
    return m_cachedResource;
}

resourceImpl()

virtual KoResourceSP KisResourceStorage::ResourceIterator::resourceImpl ( ) const

protectedpure virtual

This only loads the resource when called.

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

type()

virtual QString KisResourceStorage::ResourceIterator::type ( ) const

pure virtual

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

url()

virtual QString KisResourceStorage::ResourceIterator::url ( ) const

pure virtual

Implemented in AbrIterator, FontIterator, AslIterator, and KisVersionedStorageIterator.

versions()

QSharedPointer< KisResourceStorage::ResourceIterator > KisResourceStorage::ResourceIterator::versions ( ) const

virtual

Reimplemented in KisVersionedStorageIterator.

Definition at line 467 of file KisResourceStorage.cpp.

{
    struct DumbIterator : public ResourceIterator
    {
    public:
        DumbIterator(const ResourceIterator *parent)
            : m_parent(parent)
        {
        }
 
        bool hasNext() const override {
            return !m_isStarted;
        }
 
        void next() override {
            KIS_SAFE_ASSERT_RECOVER_NOOP(!m_isStarted);
            m_isStarted = true;
        }
        QString url() const override
        {
            return m_parent->url();
        }
 
        QString type() const override
        {
            return m_parent->type();
        }
 
        QDateTime lastModified() const override
        {
            return m_parent->lastModified();
        }
 
        int guessedVersion() const override
        {
            return m_parent->guessedVersion();
        }
 
        QSharedPointer<KisResourceStorage::ResourceIterator> versions() const override
        {
            return toQShared(new DumbIterator(m_parent));
        }
 
    protected:
        KoResourceSP resourceImpl() const override
        {
            return m_parent->resource();
        }
 
    private:
        bool m_isStarted = false;
        const ResourceIterator *m_parent;
    };
 
    return QSharedPointer<KisResourceStorage::ResourceIterator>(new DumbIterator(this));
}

References KIS_SAFE_ASSERT_RECOVER_NOOP, and toQShared().

Member Data Documentation

m_cachedResource

KoResourceSP KisResourceStorage::ResourceIterator::m_cachedResource

mutableprivate

Definition at line 100 of file KisResourceStorage.h.

m_cachedResourceUrl

QString KisResourceStorage::ResourceIterator::m_cachedResourceUrl

mutableprivate

Definition at line 101 of file KisResourceStorage.h.

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The documentation for this class was generated from the following files:

• libs/resources/KisResourceStorage.h
• libs/resources/KisResourceStorage.cpp