Graphite/desktop/src/cef/internal/browser_process_app.rs

103 lines
3.0 KiB
Rust

use std::env;
use cef::rc::{Rc, RcImpl};
use cef::sys::{_cef_app_t, cef_base_ref_counted_t};
use cef::{BrowserProcessHandler, CefString, ImplApp, ImplCommandLine, SchemeRegistrar, WrapApp};
use crate::cef::CefEventHandler;
use crate::cef::scheme_handler::GraphiteSchemeHandlerFactory;
use super::browser_process_handler::BrowserProcessHandlerImpl;
pub(crate) struct BrowserProcessAppImpl<H: CefEventHandler> {
object: *mut RcImpl<_cef_app_t, Self>,
event_handler: H,
}
impl<H: CefEventHandler + Clone> BrowserProcessAppImpl<H> {
pub(crate) fn new(event_handler: H) -> Self {
Self {
object: std::ptr::null_mut(),
event_handler,
}
}
}
impl<H: CefEventHandler + Clone> ImplApp for BrowserProcessAppImpl<H> {
fn browser_process_handler(&self) -> Option<BrowserProcessHandler> {
Some(BrowserProcessHandler::new(BrowserProcessHandlerImpl::new(self.event_handler.clone())))
}
fn on_register_custom_schemes(&self, registrar: Option<&mut SchemeRegistrar>) {
GraphiteSchemeHandlerFactory::register_schemes(registrar);
}
fn on_before_command_line_processing(&self, _process_type: Option<&cef::CefString>, command_line: Option<&mut cef::CommandLine>) {
if let Some(cmd) = command_line {
#[cfg(not(feature = "accelerated_paint"))]
{
// Disable GPU acceleration when accelerated_paint feature is not enabled
cmd.append_switch(Some(&CefString::from("disable-gpu")));
cmd.append_switch(Some(&CefString::from("disable-gpu-compositing")));
}
#[cfg(feature = "accelerated_paint")]
{
// Enable GPU acceleration switches for better performance
cmd.append_switch(Some(&CefString::from("enable-gpu-rasterization")));
cmd.append_switch(Some(&CefString::from("enable-accelerated-2d-canvas")));
}
#[cfg(all(feature = "accelerated_paint", target_os = "linux"))]
{
// Use Vulkan for accelerated painting
cmd.append_switch_with_value(Some(&CefString::from("use-angle")), Some(&CefString::from("vulkan")));
}
// Tell CEF to use Wayland if available
#[cfg(target_os = "linux")]
{
let use_wayland = env::var("WAYLAND_DISPLAY")
.ok()
.filter(|var| !var.is_empty())
.or_else(|| env::var("WAYLAND_SOCKET").ok())
.filter(|var| !var.is_empty())
.is_some();
if use_wayland {
cmd.append_switch_with_value(Some(&CefString::from("ozone-platform")), Some(&CefString::from("wayland")));
}
}
}
}
fn get_raw(&self) -> *mut _cef_app_t {
self.object.cast()
}
}
impl<H: CefEventHandler + Clone> Clone for BrowserProcessAppImpl<H> {
fn clone(&self) -> Self {
unsafe {
let rc_impl = &mut *self.object;
rc_impl.interface.add_ref();
}
Self {
object: self.object,
event_handler: self.event_handler.clone(),
}
}
}
impl<H: CefEventHandler> Rc for BrowserProcessAppImpl<H> {
fn as_base(&self) -> &cef_base_ref_counted_t {
unsafe {
let base = &*self.object;
std::mem::transmute(&base.cef_object)
}
}
}
impl<H: CefEventHandler + Clone> WrapApp for BrowserProcessAppImpl<H> {
fn wrap_rc(&mut self, object: *mut RcImpl<_cef_app_t, Self>) {
self.object = object;
}
}