Split message content into its own module

This is laying some groundwork for the rich text chatbar.

src/timeline/CMakeLists.txt

@@ -21,120 +21,34 @@ ecm_add_qml_module(Timeline GENERATE_PLUGIN_SOURCE
         AvatarFlow.qml
         QuickActions.qml
         TypingPane.qml
-        BaseMessageComponentChooser.qml
-        MessageComponentChooser.qml
-        ReplyMessageComponentChooser.qml
-        AuthorComponent.qml
-        AudioComponent.qml
-        ChatBarComponent.qml
-        CodeComponent.qml
-        EncryptedComponent.qml
-        FetchButtonComponent.qml
-        FileComponent.qml
-        ImageComponent.qml
-        ItineraryComponent.qml
-        ItineraryReservationComponent.qml
-        JourneySectionStopDelegateLineSegment.qml
-        TransportIcon.qml
-        FoodReservationComponent.qml
-        TrainReservationComponent.qml
-        FlightReservationComponent.qml
-        HotelReservationComponent.qml
-        LinkPreviewComponent.qml
-        LinkPreviewLoadComponent.qml
-        LiveLocationComponent.qml
-        LoadComponent.qml
-        LocationComponent.qml
-        MimeComponent.qml
-        PdfPreviewComponent.qml
-        PollComponent.qml
-        QuoteComponent.qml
-        ReactionComponent.qml
-        ReplyAuthorComponent.qml
-        ReplyButtonComponent.qml
-        ReplyComponent.qml
-        StateComponent.qml
-        TextComponent.qml
-        ThreadBodyComponent.qml
-        VideoComponent.qml
         DelegateContextMenu.qml
         FileDelegateContextMenu.qml
         MessageDelegateContextMenu.qml
     SOURCES
-        contentprovider.cpp
-        locationhelper.cpp
-        mediasizehelper.cpp
         messageattached.cpp
         messagedelegate.cpp
-        pollhandler.cpp
         timelinedelegate.cpp
         enums/delegatetype.h
-        models/itinerarymodel.cpp
-        models/linemodel.cpp
         models/mediamessagefiltermodel.cpp
-        models/messagecontentmodel.cpp
         models/messagecontentfiltermodel.cpp
         models/messagefiltermodel.cpp
         models/messagemodel.cpp
         models/pinnedmessagemodel.cpp
-        models/pollanswermodel.cpp
-        models/reactionmodel.cpp
         models/readmarkermodel.cpp
         models/searchmodel.cpp
         models/timelinemessagemodel.cpp
         models/timelinemodel.cpp
-        models/threadmodel.cpp
         models/webshortcutmodel.cpp
-    RESOURCES
-        images/bike.svg
-        images/bus.svg
-        images/cablecar.svg
-        images/car.svg
-        images/coach.svg
-        images/couchettecar.svg
-        images/elevator.svg
-        images/escalator.svg
-        images/ferry.svg
-        images/flight.svg
-        images/foodestablishment.svg
-        images/funicular.svg
-        images/longdistancetrain.svg
-        images/rapidtransit.svg
-        images/seat.svg
-        images/shuttle.svg
-        images/sleepingcar.svg
-        images/stairs.svg
-        images/subway.svg
-        images/taxi.svg
-        images/train.svg
-        images/tramway.svg
-        images/transfer.svg
-        images/wait.svg
-        images/walk.svg
     DEPENDENCIES
         QtQuick
 )
 
-configure_file(config-neochat.h.in ${CMAKE_CURRENT_BINARY_DIR}/config-neochat.h)
-
-ecm_qt_declare_logging_category(Timeline
-    HEADER "messagemodel_logging.h"
-    IDENTIFIER "Message"
-    CATEGORY_NAME "org.kde.neochat.messagemodel"
-    DESCRIPTION "Neochat: messagemodel"
-    DEFAULT_SEVERITY Info
-    EXPORT NEOCHAT
-)
-
 target_include_directories(Timeline PRIVATE ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/enums ${CMAKE_CURRENT_SOURCE_DIR}/models)
 target_link_libraries(Timeline PRIVATE
-    LibNeoChat
     Qt::Core
     Qt::Quick
     Qt::QuickControls2
     KF6::Kirigami
+    LibNeoChat
+    MessageContent
 )
-
-if(NOT ANDROID)
-    target_link_libraries(Timeline PUBLIC KF6::SyntaxHighlighting)
-endif()