cef/libcef/browser/main_runner.h
Marshall Greenblatt 1353677a98 Don't run UI thread tasks after calling CefQuitMessageLoop
This avoids a situation where misbehaving clients may cause the
application to continue running indefinitely by posting new UI
thread tasks after calling CefQuitMessageLoop.
2023-07-11 15:59:52 +03:00

96 lines
3.2 KiB
C++

// Copyright 2020 The Chromium Embedded Framework Authors.
// Portions copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_
#define CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_
#pragma once
#include "include/cef_app.h"
#include "libcef/common/main_runner_delegate.h"
#include "libcef/common/main_runner_handler.h"
#include "base/functional/callback.h"
#include "content/public/browser/browser_main_runner.h"
namespace base {
class WaitableEvent;
}
namespace content {
class ContentMainRunner;
} // namespace content
class CefUIThread;
// Manages the main process lifespan and related objects.
class CefMainRunner : public CefMainRunnerHandler {
public:
CefMainRunner(bool multi_threaded_message_loop, bool external_message_pump);
CefMainRunner(const CefMainRunner&) = delete;
CefMainRunner& operator=(const CefMainRunner&) = delete;
~CefMainRunner();
// Called from CefContext::Initialize.
bool Initialize(CefSettings* settings,
CefRefPtr<CefApp> application,
const CefMainArgs& args,
void* windows_sandbox_info,
bool* initialized,
base::OnceClosure context_initialized);
// Called from CefContext::Shutdown.
void Shutdown(base::OnceClosure shutdown_on_ui_thread,
base::OnceClosure finalize_shutdown);
void RunMessageLoop();
void QuitMessageLoop();
// Called from CefExecuteProcess.
static int RunAsHelperProcess(const CefMainArgs& args,
CefRefPtr<CefApp> application,
void* windows_sandbox_info);
private:
// Called from Initialize().
int ContentMainInitialize(const CefMainArgs& args,
void* windows_sandbox_info,
int* no_sandbox);
bool ContentMainRun(bool* initialized, base::OnceClosure context_initialized);
// CefMainRunnerHandler methods:
void PreBrowserMain() override;
int RunMainProcess(content::MainFunctionParams main_function_params) override;
// Create the UI thread when running with multi-threaded message loop mode.
bool CreateUIThread(base::OnceClosure setup_callback);
// Called on the UI thread after the context is initialized.
void OnContextInitialized(base::OnceClosure context_initialized);
// Performs shutdown actions that need to occur on the UI thread before any
// threads are destroyed.
void FinishShutdownOnUIThread(base::OnceClosure shutdown_on_ui_thread,
base::WaitableEvent* uithread_shutdown_event);
// Destroys the runtime and related objects.
void FinalizeShutdown(base::OnceClosure finalize_shutdown);
const bool multi_threaded_message_loop_;
const bool external_message_pump_;
std::unique_ptr<CefMainRunnerDelegate> main_delegate_;
std::unique_ptr<content::ContentMainRunner> main_runner_;
std::unique_ptr<content::BrowserMainRunner> browser_runner_;
std::unique_ptr<CefUIThread> ui_thread_;
// Used to quit the current base::RunLoop.
base::OnceClosure quit_callback_;
};
#endif // CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_