mirror of
https://bitbucket.org/chromiumembedded/cef
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1353677a98
This avoids a situation where misbehaving clients may cause the application to continue running indefinitely by posting new UI thread tasks after calling CefQuitMessageLoop.
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
// Copyright 2020 The Chromium Embedded Framework Authors.
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// Portions copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_
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#define CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_
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#pragma once
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#include "include/cef_app.h"
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#include "libcef/common/main_runner_delegate.h"
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#include "libcef/common/main_runner_handler.h"
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#include "base/functional/callback.h"
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#include "content/public/browser/browser_main_runner.h"
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namespace base {
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class WaitableEvent;
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}
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namespace content {
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class ContentMainRunner;
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} // namespace content
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class CefUIThread;
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// Manages the main process lifespan and related objects.
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class CefMainRunner : public CefMainRunnerHandler {
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public:
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CefMainRunner(bool multi_threaded_message_loop, bool external_message_pump);
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CefMainRunner(const CefMainRunner&) = delete;
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CefMainRunner& operator=(const CefMainRunner&) = delete;
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~CefMainRunner();
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// Called from CefContext::Initialize.
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bool Initialize(CefSettings* settings,
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CefRefPtr<CefApp> application,
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const CefMainArgs& args,
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void* windows_sandbox_info,
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bool* initialized,
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base::OnceClosure context_initialized);
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// Called from CefContext::Shutdown.
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void Shutdown(base::OnceClosure shutdown_on_ui_thread,
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base::OnceClosure finalize_shutdown);
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void RunMessageLoop();
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void QuitMessageLoop();
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// Called from CefExecuteProcess.
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static int RunAsHelperProcess(const CefMainArgs& args,
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CefRefPtr<CefApp> application,
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void* windows_sandbox_info);
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private:
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// Called from Initialize().
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int ContentMainInitialize(const CefMainArgs& args,
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void* windows_sandbox_info,
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int* no_sandbox);
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bool ContentMainRun(bool* initialized, base::OnceClosure context_initialized);
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// CefMainRunnerHandler methods:
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void PreBrowserMain() override;
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int RunMainProcess(content::MainFunctionParams main_function_params) override;
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// Create the UI thread when running with multi-threaded message loop mode.
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bool CreateUIThread(base::OnceClosure setup_callback);
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// Called on the UI thread after the context is initialized.
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void OnContextInitialized(base::OnceClosure context_initialized);
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// Performs shutdown actions that need to occur on the UI thread before any
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// threads are destroyed.
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void FinishShutdownOnUIThread(base::OnceClosure shutdown_on_ui_thread,
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base::WaitableEvent* uithread_shutdown_event);
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// Destroys the runtime and related objects.
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void FinalizeShutdown(base::OnceClosure finalize_shutdown);
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const bool multi_threaded_message_loop_;
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const bool external_message_pump_;
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std::unique_ptr<CefMainRunnerDelegate> main_delegate_;
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std::unique_ptr<content::ContentMainRunner> main_runner_;
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std::unique_ptr<content::BrowserMainRunner> browser_runner_;
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std::unique_ptr<CefUIThread> ui_thread_;
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// Used to quit the current base::RunLoop.
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base::OnceClosure quit_callback_;
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};
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#endif // CEF_LIBCEF_BROWSER_MAIN_RUNNER_H_
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