fix: ChannelController.debugAssertNotDisposed() throwing when calli…

flutter_inappwebview/pubspec.yaml

@@ -32,8 +32,11 @@ dependencies:
     # path: ../flutter_inappwebview_web
   flutter_inappwebview_windows: ^0.7.0-beta.3
     # path: ../flutter_inappwebview_windows
-  flutter_inappwebview_linux: ^0.1.0-beta.1
-    # path: ../flutter_inappwebview_linux
+  # flutter_inappwebview_linux: ^0.1.0-beta.1
+  flutter_inappwebview_linux:
+    git:
+      url: https://github.com/MSOB7YY/flutter_inappwebview
+      path: flutter_inappwebview_linux
 
 dev_dependencies:
   flutter_test:

flutter_inappwebview_linux/linux/CMakeLists.txt

@@ -17,6 +17,95 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 # nlohmann/json version for JSON parsing
 set(NLOHMANN_JSON_VERSION "3.11.3")
 
+set(WPE_BUNDLE_ENABLED ON)
+if(DISABLE_WPE_WEBKIT OR (DEFINED ENV{DISABLE_WPE_WEBKIT} AND "$ENV{DISABLE_WPE_WEBKIT}" STREQUAL "1"))
+  set(WPE_BUNDLE_ENABLED OFF)
+endif()
+
+
+# Plugin source files
+list(APPEND PLUGIN_SOURCES
+  "flutter_inappwebview_linux_plugin.cc"
+  "plugin_instance.cc"
+  "cookie_manager.cc"
+  "credential_database.cc"
+  "proxy_manager.cc"
+  "utils/software_rendering.cc"
+  "web_storage_manager.cc"
+  "webview_environment.cc"
+  "content_blocker/content_blocker_handler.cc"
+  "find_interaction/find_interaction_controller.cc"
+  "find_interaction/find_interaction_channel_delegate.cc"
+  "headless_in_app_webview/headless_in_app_webview.cc"
+  "headless_in_app_webview/headless_in_app_webview_manager.cc"
+  "headless_in_app_webview/headless_webview_channel_delegate.cc"
+  "in_app_browser/in_app_browser.cc"
+  "in_app_browser/in_app_browser_channel_delegate.cc"
+  "in_app_browser/in_app_browser_manager.cc"
+  "in_app_browser/in_app_browser_settings.cc"
+  "in_app_webview/in_app_webview_manager.cc"
+  "in_app_webview/custom_platform_view.cc"
+  "in_app_webview/inappwebview_texture.cc"
+  "in_app_webview/inappwebview_egl_texture.cc"
+  "in_app_webview/in_app_webview.cc"
+  "in_app_webview/in_app_webview_settings.cc"
+  "in_app_webview/user_content_controller.cc"
+  "in_app_webview/webview_channel_delegate.cc"
+  "types/channel_delegate.cc"
+  "types/client_cert_challenge.cc"
+  "types/client_cert_response.cc"
+  "types/content_world.cc"
+  "types/context_menu_popup.cc"
+  "types/create_window_action.cc"
+  "types/custom_scheme_response.cc"
+  "types/download_start_request.cc"
+  "types/download_start_response.cc"
+  "types/find_session.cc"
+  "types/http_auth_response.cc"
+  "types/http_authentication_challenge.cc"
+  "types/javascript_handler_function_data.cc"
+  "types/js_alert_request.cc"
+  "types/js_alert_response.cc"
+  "types/js_before_unload_response.cc"
+  "types/js_confirm_request.cc"
+  "types/js_confirm_response.cc"
+  "types/js_prompt_request.cc"
+  "types/js_prompt_response.cc"
+  "types/hit_test_result.cc"
+  "types/navigation_action.cc"
+  "types/option_menu_popup.cc"
+  "types/permission_request.cc"
+  "types/permission_response.cc"
+  "types/plugin_script.cc"
+  "types/server_trust_auth_response.cc"
+  "types/server_trust_challenge.cc"
+  "types/show_file_chooser_response.cc"
+  "types/ssl_certificate.cc"
+  "types/url_credential.cc"
+  "types/url_protection_space.cc"
+  "types/url_request.cc"
+  "types/user_script.cc"
+  "types/web_resource_error.cc"
+  "types/web_resource_request.cc"
+  "types/web_resource_response.cc"
+  "types/web_view_transport.cc"
+  "web_message/web_message_channel.cc"
+  "web_message/web_message_listener.cc"
+  "web_message/web_message_listener_channel_delegate.cc"
+)
+
+if(NOT WPE_BUNDLE_ENABLED)
+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/stub.cc" "
+    extern \"C\" __attribute__((visibility(\"default\")))
+    void flutter_inappwebview_linux_plugin_register_with_registrar(void* registrar) {}
+  ")
+  add_library(${PLUGIN_NAME} SHARED "${CMAKE_CURRENT_BINARY_DIR}/stub.cc")
+  target_compile_options(${PLUGIN_NAME} PRIVATE -fvisibility=default)
+  target_include_directories(${PLUGIN_NAME} INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
+  set(flutter_inappwebview_linux_bundled_libraries "" PARENT_SCOPE)
+  return()
+endif()
+
 # === WPE WebKit Backend ===
 # This plugin uses WPE WebKit for offscreen web rendering.
 # WPE WebKit is designed for embedded systems and provides excellent offscreen
@@ -167,77 +256,6 @@ FetchContent_MakeAvailable(nlohmann_json)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-literal-operator")
 message(STATUS "flutter_inappwebview_linux: nlohmann/json ${NLOHMANN_JSON_VERSION} configured")
 
-# Plugin source files
-list(APPEND PLUGIN_SOURCES
-  "flutter_inappwebview_linux_plugin.cc"
-  "plugin_instance.cc"
-  "cookie_manager.cc"
-  "credential_database.cc"
-  "proxy_manager.cc"
-  "utils/software_rendering.cc"
-  "web_storage_manager.cc"
-  "webview_environment.cc"
-  "content_blocker/content_blocker_handler.cc"
-  "find_interaction/find_interaction_controller.cc"
-  "find_interaction/find_interaction_channel_delegate.cc"
-  "headless_in_app_webview/headless_in_app_webview.cc"
-  "headless_in_app_webview/headless_in_app_webview_manager.cc"
-  "headless_in_app_webview/headless_webview_channel_delegate.cc"
-  "in_app_browser/in_app_browser.cc"
-  "in_app_browser/in_app_browser_channel_delegate.cc"
-  "in_app_browser/in_app_browser_manager.cc"
-  "in_app_browser/in_app_browser_settings.cc"
-  "in_app_webview/in_app_webview_manager.cc"
-  "in_app_webview/custom_platform_view.cc"
-  "in_app_webview/inappwebview_texture.cc"
-  "in_app_webview/inappwebview_egl_texture.cc"
-  "in_app_webview/in_app_webview.cc"
-  "in_app_webview/in_app_webview_settings.cc"
-  "in_app_webview/user_content_controller.cc"
-  "in_app_webview/webview_channel_delegate.cc"
-  "types/channel_delegate.cc"
-  "types/client_cert_challenge.cc"
-  "types/client_cert_response.cc"
-  "types/content_world.cc"
-  "types/context_menu_popup.cc"
-  "types/create_window_action.cc"
-  "types/custom_scheme_response.cc"
-  "types/download_start_request.cc"
-  "types/download_start_response.cc"
-  "types/find_session.cc"
-  "types/http_auth_response.cc"
-  "types/http_authentication_challenge.cc"
-  "types/javascript_handler_function_data.cc"
-  "types/js_alert_request.cc"
-  "types/js_alert_response.cc"
-  "types/js_before_unload_response.cc"
-  "types/js_confirm_request.cc"
-  "types/js_confirm_response.cc"
-  "types/js_prompt_request.cc"
-  "types/js_prompt_response.cc"
-  "types/hit_test_result.cc"
-  "types/navigation_action.cc"
-  "types/option_menu_popup.cc"
-  "types/permission_request.cc"
-  "types/permission_response.cc"
-  "types/plugin_script.cc"
-  "types/server_trust_auth_response.cc"
-  "types/server_trust_challenge.cc"
-  "types/show_file_chooser_response.cc"
-  "types/ssl_certificate.cc"
-  "types/url_credential.cc"
-  "types/url_protection_space.cc"
-  "types/url_request.cc"
-  "types/user_script.cc"
-  "types/web_resource_error.cc"
-  "types/web_resource_request.cc"
-  "types/web_resource_response.cc"
-  "types/web_view_transport.cc"
-  "web_message/web_message_channel.cc"
-  "web_message/web_message_listener.cc"
-  "web_message/web_message_listener_channel_delegate.cc"
-)
-
 # Define the plugin library target. Its name must not be changed (see comment
 # on PLUGIN_NAME above).
 add_library(${PLUGIN_NAME} SHARED
@@ -357,6 +375,15 @@ if(HAVE_WPE_FDO)
   find_and_add_library("libWPEBackend-fdo-1.0" "${WPE_LIB_DIRS}" WPE_BUNDLED_LIBS)
 endif()
 
+# Bundle WPEWebKit subprocess binaries
+file(GLOB_RECURSE WPE_EXEC_FILES "/usr/lib/wpe-webkit-2.0/*")
+foreach(WPE_FILE ${WPE_EXEC_FILES})
+  if(NOT IS_SYMLINK "${WPE_FILE}")
+    list(APPEND WPE_BUNDLED_LIBS "${WPE_FILE}")
+    message(STATUS "flutter_inappwebview_linux: Will bundle ${WPE_FILE}")
+  endif()
+endforeach()
+
 # Also need to create symlinks for the sonames that the libraries expect
 # This will be handled at install time in the example CMakeLists.txt
 
@@ -368,6 +395,65 @@ set(flutter_inappwebview_linux_bundled_libraries
 # Export library info for downstream use
 set(FLUTTER_INAPPWEBVIEW_WPE_LIBS ${WPE_BUNDLED_LIBS} CACHE INTERNAL "WPE libraries to bundle")
 
+
+# === WPE Library Symlink Creation ===
+# Create the necessary soname symlinks so the WPE libraries can find each other at runtime
+install(CODE "
+  # Create symlinks for WPE libraries in the lib directory
+  set(LIB_DIR \"\${CMAKE_INSTALL_PREFIX}/lib\")
+
+    # Function to create soname symlinks for a library
+    macro(create_lib_symlinks LIB_PATTERN SONAME_BASE)
+      file(GLOB LIB_FILES \"\${LIB_DIR}/\${LIB_PATTERN}\")
+      if(LIB_FILES)
+        list(GET LIB_FILES 0 REAL_LIB)
+        get_filename_component(REAL_LIB_NAME \"\${REAL_LIB}\" NAME)
+
+        # Create .so.X symlink (e.g., libwpe-1.0.so.1 -> libwpe-1.0.so.1.10.0)
+        set(SONAME_LINK \"\${LIB_DIR}/\${SONAME_BASE}.so.1\")
+        if(NOT EXISTS \"\${SONAME_LINK}\")
+          execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
+            \"\${REAL_LIB_NAME}\" \"\${SONAME_LINK}\")
+          message(STATUS \"Created symlink: \${SONAME_LINK} -> \${REAL_LIB_NAME}\")
+        endif()
+
+        # Create .so symlink (e.g., libwpe-1.0.so -> libwpe-1.0.so.1)
+        set(SO_LINK \"\${LIB_DIR}/\${SONAME_BASE}.so\")
+        if(NOT EXISTS \"\${SO_LINK}\")
+          execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
+            \"\${SONAME_BASE}.so.1\" \"\${SO_LINK}\")
+          message(STATUS \"Created symlink: \${SO_LINK} -> \${SONAME_BASE}.so.1\")
+        endif()
+      endif()
+    endmacro()
+
+    # Create symlinks for each WPE library
+    create_lib_symlinks(\"libWPEWebKit-2.0.so.*.*.*\" \"libWPEWebKit-2.0\")
+    create_lib_symlinks(\"libwpe-1.0.so.*.*.*\" \"libwpe-1.0\")
+    create_lib_symlinks(\"libWPEBackend-fdo-1.0.so.*.*.*\" \"libWPEBackend-fdo-1.0\")
+
+    # Create the default backend symlink that WPE expects
+    set(DEFAULT_BACKEND_LINK \"\${LIB_DIR}/libWPEBackend-default.so\")
+    if(NOT EXISTS \"\${DEFAULT_BACKEND_LINK}\")
+      execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
+        \"libWPEBackend-fdo-1.0.so.1\" \"\${DEFAULT_BACKEND_LINK}\")
+      message(STATUS \"Created symlink: \${DEFAULT_BACKEND_LINK} -> libWPEBackend-fdo-1.0.so.1\")
+    endif()
+  " COMPONENT Runtime)
+
+# === Try fixing rpath in so ===
+install(CODE "
+  file(GLOB_RECURSE ALL_BUNDLED \"\${CMAKE_INSTALL_PREFIX}/lib/*\")
+  foreach(F \${ALL_BUNDLED})
+    if(NOT IS_SYMLINK \"\${F}\")
+      execute_process(COMMAND patchelf --set-rpath \"\$ORIGIN\"
+        \"\${F}\"
+        ERROR_QUIET)
+    endif()
+  endforeach()
+  message(STATUS \"Patched RPATH for all bundled files\")
+")
+
 # === Tests ===
 # These unit tests can be run from a terminal after building the example.
 

flutter_inappwebview_platform_interface/lib/src/util.dart

@@ -656,7 +656,7 @@ extension InternalChannelController on ChannelController {
 
   disposeChannel({bool removeMethodCallHandler = true}) {
     if (removeMethodCallHandler) {
-      channel?.setMethodCallHandler(null);
+      this._channel?.setMethodCallHandler(null);
     }
     channel = null;
     handler = null;