85 lines
4.4 KiB
C++
85 lines
4.4 KiB
C++
//! Callback interface for track_property_provider::enumerate_properties().
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class NOVTABLE track_property_callback {
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public:
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//! Sets a property list entry to display. Called by track_property_provider::enumerate_properties() implementation.
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//! @param p_group Name of group to put the entry in, case-sensitive. Note that non-standard groups are sorted alphabetically.
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//! @param p_sortpriority Sort priority of the property inside its group (smaller value means earlier in the list), pass 0 if you don't care (alphabetic order by name used when more than one item has same priority).
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//! @param p_name Name of the property.
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//! @param p_value Value of the property.
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virtual void set_property(const char * p_group,double p_sortpriority,const char * p_name,const char * p_value) = 0;
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protected:
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track_property_callback() {}
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~track_property_callback() {}
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private:
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track_property_callback(track_property_callback const &) = delete;
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track_property_callback const & operator=(track_property_callback const &) = delete;
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};
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//! Extended version of track_property_callback
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class NOVTABLE track_property_callback_v2 : public track_property_callback {
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public:
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//! Returns a boolean value indicating whether the specified group is wanted; can be used to suppress expensive processing of information that will not be actually shown. \n
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//! See also set_property() p_group parameter.
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virtual bool is_group_wanted(const char * p_group) = 0;
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protected:
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~track_property_callback_v2() {}
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};
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//! Service for adding custom entries in "Properties" tab of the properties dialog.
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class NOVTABLE track_property_provider : public service_base {
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public:
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//! Enumerates properties of specified track list.
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//! @param p_tracks List of tracks to enumerate properties on.
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//! @param p_out Callback interface receiving enumerated properties.
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virtual void enumerate_properties(metadb_handle_list_cref p_tracks, track_property_callback & p_out) = 0;
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//! Returns whether specified tech info filed is processed by our service and should not be displayed among unknown fields.
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//! @param p_name Name of tech info field being queried.
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//! @returns True if the field is among fields processed by this track_property_provider implementation and should not be displayed among unknown fields, false otherwise.
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virtual bool is_our_tech_info(const char * p_name) = 0;
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FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT(track_property_provider);
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};
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class NOVTABLE track_property_provider_v2 : public track_property_provider {
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FB2K_MAKE_SERVICE_INTERFACE(track_property_provider_v2,track_property_provider)
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public:
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virtual void enumerate_properties_v2(metadb_handle_list_cref p_tracks, track_property_callback_v2 & p_out) = 0;
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};
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class NOVTABLE track_property_provider_v3_info_source {
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public:
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virtual metadb_info_container::ptr get_info(size_t index) = 0;
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};
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class track_property_provider_v3_info_source_impl : public track_property_provider_v3_info_source {
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public:
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track_property_provider_v3_info_source_impl(metadb_handle_list_cref items) : m_items(items) {}
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metadb_info_container::ptr get_info(size_t index) {return m_items[index]->get_info_ref();}
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private:
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metadb_handle_list_cref m_items;
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};
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class track_property_callback_v2_proxy : public track_property_callback_v2 {
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public:
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track_property_callback_v2_proxy(track_property_callback & callback) : m_callback(callback) {}
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void set_property(const char * p_group,double p_sortpriority,const char * p_name,const char * p_value) {m_callback.set_property(p_group, p_sortpriority, p_name, p_value);}
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bool is_group_wanted(const char*) {return true;}
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private:
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track_property_callback & m_callback;
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};
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//! \since 1.3
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class NOVTABLE track_property_provider_v3 : public track_property_provider_v2 {
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FB2K_MAKE_SERVICE_INTERFACE(track_property_provider_v3,track_property_provider_v2)
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public:
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virtual void enumerate_properties_v3(metadb_handle_list_cref items, track_property_provider_v3_info_source & info, track_property_callback_v2 & callback) = 0;
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void enumerate_properties(metadb_handle_list_cref p_tracks, track_property_callback & p_out) {track_property_provider_v3_info_source_impl src(p_tracks); track_property_callback_v2_proxy cb(p_out); enumerate_properties_v3(p_tracks, src, cb);}
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void enumerate_properties_v2(metadb_handle_list_cref p_tracks, track_property_callback_v2 & p_out) {track_property_provider_v3_info_source_impl src(p_tracks); enumerate_properties_v3(p_tracks, src, p_out);}
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};
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template<typename T>
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class track_property_provider_factory_t : public service_factory_single_t<T> {};
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