cef/tests/cefclient/browser/main_message_loop_multithre...

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2.0 KiB
C++

// Copyright (c) 2015 The Chromium Embedded Framework 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_TESTS_CEFCLIENT_BROWSER_MAIN_MESSAGE_LOOP_MULTITHREADED_WIN_H_
#define CEF_TESTS_CEFCLIENT_BROWSER_MAIN_MESSAGE_LOOP_MULTITHREADED_WIN_H_
#pragma once
#include <windows.h>
#include <queue>
#include "include/base/cef_lock.h"
#include "include/base/cef_platform_thread.h"
#include "tests/shared/browser/main_message_loop.h"
namespace client {
// Represents the main message loop in the browser process when using multi-
// threaded message loop mode on Windows. In this mode there is no Chromium
// message loop running on the main application thread. Instead, this
// implementation utilizes a hidden message window for running tasks.
class MainMessageLoopMultithreadedWin : public MainMessageLoop {
public:
MainMessageLoopMultithreadedWin();
~MainMessageLoopMultithreadedWin() override;
// MainMessageLoop methods.
int Run() override;
void Quit() override;
void PostTask(CefRefPtr<CefTask> task) override;
bool RunsTasksOnCurrentThread() const override;
void SetCurrentModelessDialog(HWND hWndDialog) override;
private:
// Create the message window.
static HWND CreateMessageWindow(HINSTANCE hInstance);
// Window procedure for the message window.
static LRESULT CALLBACK MessageWndProc(HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam);
void PostTaskInternal(CefRefPtr<CefTask> task);
base::PlatformThreadId thread_id_;
UINT task_message_id_;
// Only accessed on the main thread.
HWND dialog_hwnd_ = nullptr;
base::Lock lock_;
// Must be protected by |lock_|.
HWND message_hwnd_ = nullptr;
std::queue<CefRefPtr<CefTask>> queued_tasks_;
DISALLOW_COPY_AND_ASSIGN(MainMessageLoopMultithreadedWin);
};
} // namespace client
#endif // CEF_TESTS_CEFCLIENT_BROWSER_MAIN_MESSAGE_LOOP_MULTITHREADED_WIN_H_