chromiumembedded/cef
Cef
The Chromium Embedded Framework (CEF) is a framework for embedding a full Chromium web browser into native desktop applications, enabling them to render web content and execute JavaScript. It provides a multi-process browser runtime that manages isolated browser, renderer, and GPU processes to maintain application stability and security, along with a process sandboxing framework that restricts child process capabilities to prevent malicious web content from affecting the host system.
CEF distinguishes itself through a comprehensive native JavaScript bridge library that bridges native application code with web environments via shared memory, message routing, and function calls, allowing bidirectional communication between JavaScript and C++ code. It includes a custom network protocol handler that intercepts and customizes HTTP requests and responses at the application level before they reach the browser engine, and an off-screen web renderer that produces browser content as a pixel buffer instead of a native window for custom UI compositing. The framework also offers a cross-language binding toolkit that exposes C and C++ APIs so external projects can create bindings for .NET, Java, Python, Go, and other languages.
The framework supports embedding a browser window that loads specified URLs, registering custom protocol schemes to serve content from non-standard URLs, and intercepting resource loading and navigation events from the host application. It provides capabilities for overriding default context menus and print dialogs with application-specific options, and includes a build automation toolchain that downloads, compiles, and packages Chromium source code into redistributable binary distributions with configurable platform-specific build options.
Features
- Embedded Browser Frameworks - Embeds a full Chromium web browser into native desktop applications to render web content and execute JavaScript.
- Embedded Browser Controls - Embeds a full Chromium browser window inside native desktop applications to render web content.
- Native Object Registrations - Provides a native JavaScript bridge that registers custom objects and functions for web page invocation.
- Browser Resource Interceptions - Ships a resource loading and navigation interception system for customizing browser behavior from the host application.
- Multi-Language Bindings - Exposes C and C++ APIs so external projects can create bindings for .NET, Java, Python, and Go.
- C++ Callback Bindings - Binds JavaScript functions to C++ callbacks for bidirectional communication between web and native code.
- Native-Backed JavaScript Functions - Registers custom JavaScript objects and functions from the host application for bidirectional communication.
- Multi-Process Browser Runtimes - Manages isolated browser, renderer, and GPU processes to maintain application stability and security.
- Web-Native Integration Bridges - Bridges native application code with web environments through shared memory, message routing, and function calls.
- C and C++ API Exposures - Exposes C and C++ APIs for creating bindings to .NET, Java, Python, Go, and other languages.
- Custom URI Scheme Handlers - Intercepts and processes non-standard URL schemes at the application level for custom content serving.
- Scheme Response Handlers - Intercepts and customizes HTTP requests and responses at the application level before they reach the browser engine.
- Protocol Scheme Registrations - Registers and processes custom protocol schemes to serve content from non-standard URLs.
- Custom Network Protocols - Ships a custom network protocol handler that intercepts and customizes HTTP requests and responses at the application level.
- HTTP Request Interceptors - Intercepts and modifies HTTP requests and responses at the application level before they reach the browser engine.
- Process Sandboxing - Restricts child process capabilities to prevent malicious web content from affecting the host system.
- Off-Screen Rendering - Renders web page content to a pixel buffer instead of a native window for custom UI compositing.
- Embedded Browser URL Loads - Supports loading specified URLs into the embedded browser via command-line arguments or code changes.
