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00001 00023 #ifndef _TelepathyQt4_generic_capability_filter_h_HEADER_GUARD_ 00024 #define _TelepathyQt4_generic_capability_filter_h_HEADER_GUARD_ 00025 00026 #ifndef IN_TELEPATHY_QT4_HEADER 00027 #error IN_TELEPATHY_QT4_HEADER 00028 #endif 00029 00030 #include <TelepathyQt4/ConnectionCapabilities> 00031 #include <TelepathyQt4/Filter> 00032 #include <TelepathyQt4/Types> 00033 00034 namespace Tp 00035 { 00036 00037 template <class T> 00038 class GenericCapabilityFilter : public Filter<T> 00039 { 00040 public: 00041 static SharedPtr<GenericCapabilityFilter<T> > create( 00042 const RequestableChannelClassSpecList &rccSpecs = RequestableChannelClassSpecList()) 00043 { 00044 return SharedPtr<GenericCapabilityFilter<T> >(new GenericCapabilityFilter<T>( 00045 rccSpecs)); 00046 } 00047 00048 inline virtual ~GenericCapabilityFilter() { } 00049 00050 inline virtual bool isValid() const { return true; } 00051 00052 inline virtual bool matches(const SharedPtr<T> &t) const 00053 { 00054 bool supportedRcc; 00055 RequestableChannelClassSpecList objectRccSpecs = t->capabilities().allClassSpecs(); 00056 Q_FOREACH (const RequestableChannelClassSpec &filterRccSpec, mFilter) { 00057 supportedRcc = false; 00058 00059 Q_FOREACH (const RequestableChannelClassSpec &objectRccSpec, objectRccSpecs) { 00060 /* check if fixed properties match */ 00061 if (filterRccSpec.fixedProperties() == objectRccSpec.fixedProperties()) { 00062 supportedRcc = true; 00063 00064 /* check if all allowed properties in the filter RCC 00065 * are in the object RCC allowed properties */ 00066 Q_FOREACH (const QString &value, filterRccSpec.allowedProperties()) { 00067 if (!objectRccSpec.allowsProperty(value)) { 00068 /* one of the properties in the filter RCC 00069 * allowed properties is not in the object RCC 00070 * allowed properties */ 00071 supportedRcc = false; 00072 break; 00073 } 00074 } 00075 00076 /* this RCC is supported, no need to check anymore */ 00077 if (supportedRcc) { 00078 break; 00079 } 00080 } 00081 } 00082 00083 /* one of the filter RCC is not supported, this object 00084 * won't match filter */ 00085 if (!supportedRcc) { 00086 return false; 00087 } 00088 } 00089 00090 return true; 00091 } 00092 00093 inline RequestableChannelClassSpecList filter() const { return mFilter; } 00094 00095 inline void addRequestableChannelClassSubset(const RequestableChannelClassSpec &rccSpec) 00096 { 00097 mFilter.append(rccSpec.bareClass()); 00098 } 00099 00100 inline void setRequestableChannelClassesSubset(const RequestableChannelClassSpecList &rccSpecs) 00101 { 00102 mFilter = rccSpecs.bareClasses(); 00103 } 00104 00105 private: 00106 GenericCapabilityFilter(const RequestableChannelClassSpecList &rccSpecs) 00107 : Filter<T>(), mFilter(rccSpecs) { } 00108 00109 RequestableChannelClassSpecList mFilter; 00110 }; 00111 00112 } // Tp 00113 00114 #endif
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Telepathy-Qt4 0.6.5
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