cef/libcef/browser/chrome/chrome_content_browser_client_cef.h
Marshall Greenblatt 1174994211 Add initial chrome runtime support (see issue #2969)
Running `cefsimple --enable-chrome-runtime` will create and run a
Chrome browser window using the CEF app methods, and call
CefApp::OnContextInitialized as expected. CEF task methods also
work as expected in the main process. No browser-related methods or
callbacks are currently supported for the Chrome window, and the
application will exit when the last Chrome window closes.

The Chrome runtime requires resources.pak, chrome_100_percent.pak
and chrome_200_percent.pak files which were not previously built
with CEF. It shares the existing locales pak files which have been
updated to include additional Chrome-specific strings.

On Linux, the Chrome runtime requires GTK so use_gtk=true must be
specified via GN_DEFINES when building.

This change also refactors the CEF runtime, which can be tested in
the various supported modes by running:
$ cefclient
$ cefclient --multi-threaded-message-loop
$ cefclient --external-message-pump
2020-06-29 16:17:23 -04:00

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// Copyright 2020 The Chromium Embedded Framework Authors.
// Portions copyright 2012 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_CHROME_CHROME_CONTENT_BROWSER_CLIENT_CEF_
#define CEF_LIBCEF_BROWSER_CHROME_CHROME_CONTENT_BROWSER_CLIENT_CEF_
#include <memory>
#include "base/macros.h"
#include "chrome/browser/chrome_content_browser_client.h"
class ChromeBrowserMainExtraPartsCef;
// CEF override of ChromeContentBrowserClient
class ChromeContentBrowserClientCef : public ChromeContentBrowserClient {
public:
explicit ChromeContentBrowserClientCef(StartupData* startup_data = nullptr);
~ChromeContentBrowserClientCef() override;
// ChromeContentBrowserClient overrides.
std::unique_ptr<content::BrowserMainParts> CreateBrowserMainParts(
const content::MainFunctionParams& parameters) override;
void AppendExtraCommandLineSwitches(base::CommandLine* command_line,
int child_process_id) override;
scoped_refptr<base::SingleThreadTaskRunner> background_task_runner() const;
scoped_refptr<base::SingleThreadTaskRunner> user_visible_task_runner() const;
scoped_refptr<base::SingleThreadTaskRunner> user_blocking_task_runner() const;
private:
ChromeBrowserMainExtraPartsCef* browser_main_parts_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClientCef);
};
#endif // CEF_LIBCEF_BROWSER_CHROME_CHROME_CONTENT_BROWSER_CLIENT_CEF_