Add procedure handler based API

Author: tytan652

CMakeLists.txt

@@ -4,6 +4,8 @@ legacy_check()
 
 option(ENABLE_BROWSER "Enable browser source plugin (required Chromium Embedded Framework)" OFF)
 
+add_subdirectory(lib)
+
 if(NOT ENABLE_BROWSER)
   target_disable(obs-browser)
   target_disable_feature(obs-browser "Browser sources are not enabled by default (set CEF_ROOT_DIR and ENABLE_BROWSER)")
@@ -38,6 +40,8 @@ target_sources(
           deps/signal-restore.hpp
           deps/wide-string.cpp
           deps/wide-string.hpp
+          obs-browser-api-impl.cpp
+          obs-browser-api-impl.hpp
           obs-browser-plugin.cpp
           obs-browser-source-audio.cpp
           obs-browser-source.cpp
@@ -46,7 +50,7 @@ target_sources(
 target_include_directories(obs-browser PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/deps")
 
 target_compile_features(obs-browser PRIVATE cxx_std_17)
-target_link_libraries(obs-browser PRIVATE OBS::libobs OBS::frontend-api nlohmann_json::nlohmann_json)
+target_link_libraries(obs-browser PRIVATE OBS::libobs OBS::frontend-api OBS::browser-api nlohmann_json::nlohmann_json)
 
 if(OS_WINDOWS)
   include(cmake/os-windows.cmake)

cmake/feature-panels.cmake

@@ -12,8 +12,8 @@ target_compile_definitions(browser-panels INTERFACE BROWSER_AVAILABLE)
 target_sources(
   obs-browser
   PRIVATE # cmake-format: sortable
-          panel/browser-panel-client.cpp panel/browser-panel-client.hpp panel/browser-panel-internal.hpp
-          panel/browser-panel.cpp)
+          obs-browser-api-impl-panel.cpp panel/browser-panel-client.cpp panel/browser-panel-client.hpp
+          panel/browser-panel-internal.hpp panel/browser-panel.cpp)
 
 target_link_libraries(obs-browser PRIVATE OBS::browser-panels Qt::Widgets)
 

cmake/legacy.cmake

@@ -3,6 +3,8 @@ project(obs-browser)
 option(ENABLE_BROWSER "Enable building OBS with browser source plugin (required Chromium Embedded Framework)"
        ${OS_LINUX})
 
+add_subdirectory(lib)
+
 if(NOT ENABLE_BROWSER OR NOT ENABLE_UI)
   message(STATUS "OBS:  DISABLED   obs-browser")
   message(
@@ -54,6 +56,8 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/browser-config.h.in ${CMAKE_BINARY_DI
 target_sources(
   obs-browser
   PRIVATE obs-browser-plugin.cpp
+          obs-browser-api-impl.cpp
+          obs-browser-api-impl.hpp
           obs-browser-source.cpp
           obs-browser-source.hpp
           obs-browser-source-audio.cpp
@@ -76,13 +80,13 @@ target_sources(
 
 target_include_directories(obs-browser PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/deps ${CMAKE_BINARY_DIR}/config)
 
-target_link_libraries(obs-browser PRIVATE OBS::libobs OBS::frontend-api nlohmann_json::nlohmann_json)
+target_link_libraries(obs-browser PRIVATE OBS::libobs OBS::frontend-api OBS::browser-api nlohmann_json::nlohmann_json)
 
 target_compile_features(obs-browser PRIVATE cxx_std_17)
 
-if(ENABLE_BROWSER_PANELS OR ENABLE_BROWSER_QT_LOOP)
-  find_qt(COMPONENTS Widgets)
+find_qt(COMPONENTS Widgets)
 
+if(ENABLE_BROWSER_PANELS OR ENABLE_BROWSER_QT_LOOP)
   set_target_properties(
     obs-browser
     PROPERTIES AUTOMOC ON
@@ -251,6 +255,8 @@ if(ENABLE_BROWSER_PANELS)
 
   target_compile_definitions(obs-browser-panels INTERFACE BROWSER_AVAILABLE)
 
+  target_sources(obs-browser PRIVATE obs-browser-api-impl-panel.cpp obs-browser-api-impl.cpp)
+
   if(ENABLE_BROWSER_QT_LOOP)
     target_compile_definitions(obs-browser-panels INTERFACE ENABLE_BROWSER_QT_LOOP)
   endif()

lib/CMakeLists.txt

@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.22...3.25)
+
+legacy_check()
+
+find_package(Qt6 REQUIRED Widgets)
+
+add_library(obs-browser-api INTERFACE)
+add_library(OBS::browser-api ALIAS obs-browser-api)
+
+target_sources(obs-browser-api PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/obs-browser-api.hpp>
+                                      $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}/obs-browser-api.hpp>)
+
+target_link_libraries(obs-browser-api INTERFACE OBS::libobs Qt::Widgets)
+
+target_include_directories(obs-browser-api INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+                                                     "$<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>")
+
+set_target_properties(
+  obs-browser-api
+  PROPERTIES FOLDER browser
+             PREFIX ""
+             PUBLIC_HEADER obs-browser-api.hpp)
+
+target_export(obs-browser-api)

lib/cmake/legacy.cmake

@@ -0,0 +1,22 @@
+if(POLICY CMP0090)
+  cmake_policy(SET CMP0090 NEW)
+endif()
+
+project(obs-browser-api)
+
+find_package(Qt6 REQUIRED Widgets)
+
+add_library(obs-browser-api INTERFACE)
+add_library(OBS::browser-api ALIAS obs-browser-api)
+
+target_sources(obs-browser-api PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/obs-browser-api.hpp>
+                                      $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}/obs-browser-api.hpp>)
+
+target_link_libraries(obs-browser-api INTERFACE OBS::libobs Qt::Widgets)
+
+target_include_directories(obs-browser-api INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+                                                     $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>)
+
+set_target_properties(obs-browser-api PROPERTIES FOLDER "browser" PUBLIC_HEADER obs-browser-api.hpp)
+
+export_target(obs-browser-api)

lib/cmake/obs-browser-apiConfig.cmake.in

@@ -0,0 +1,9 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+find_dependency(libobs REQUIRED)
+find_package(Qt6 REQUIRED Widgets)
+
+include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")
+check_required_components("@PROJECT_NAME@")