message_router

Message Router Example Application

This directory contains the "message_router" target which demonstrates how to create JavaScript bindings using CefMessageRouter.

See the shared library target for details common to all executable targets.

Implementation Overview

The "message_router" target is implemented as follows:

• Define the target-specific CMake build configuration in the CMakeLists.txt file.
• Call the shared entry point functions that initialize, run and shut down CEF.
  • Uses the minimal target implementation.
• Implement the shared::Create*ProcessApp functions to create a CefApp instance appropriate to the process type.
  • Browser process: app_browser_impl.cc implements the shared::CreateBrowserProcessApp method to return a CefApp instance.
    • The OnContextInitialized method creates the initial CefBrowser instance using the shared::CreateBrowser helper function.
  • Renderer process: app_renderer_impl.cc implements the shared::CreateRendererProcessApp method to return a CefApp instance.
    • Creates a CefMessageRouterRendererSide instance to handle the renderer side of message routing.
  • Other sub-processes: Uses the minimal target implementation.
• Provide a concrete CefClient implementation in client_impl.cc and client_impl.h to handle CefBrowser callbacks.
  • Creates a CefMessageRouterBrowserSide instance to handle the browser side of message routing.
  • Creates a CefMessageRouterBrowserSide::Handler instance to handle messages specific to the test code in message_router.html.
  • Implements the GetResourceHandler method to support loading of message_router.html via https://example.com/message_router.html.
• Windows resource loading implementation in resource_util_win_impl.cc and resource.rc.
  • Implements the shared::GetResourceId method to map resource paths to BINARY ID values.
  • Defines a BINARY resource to include message_router.html in the executable.

Configuration

See the shared library target for configuration details.

Setup and Build

See the shared library target for setup and build instructions.