102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
// Copyright 2020 The Chromium Embedded Framework Authors.
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// Portions copyright 2012 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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#include "libcef/common/chrome/chrome_main_runner_delegate.h"
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#include "libcef/common/app_manager.h"
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#include "libcef/common/chrome/chrome_main_delegate_cef.h"
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#include "base/command_line.h"
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#include "base/run_loop.h"
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#include "chrome/browser/browser_process_impl.h"
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#include "chrome/browser/chrome_content_browser_client.h"
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#include "chrome/common/profiler/main_thread_stack_sampling_profiler.h"
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#include "components/keep_alive_registry/keep_alive_types.h"
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#include "components/keep_alive_registry/scoped_keep_alive.h"
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#include "components/metrics/persistent_system_profile.h"
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ChromeMainRunnerDelegate::ChromeMainRunnerDelegate(
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CefMainRunnerHandler* runner,
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CefSettings* settings,
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CefRefPtr<CefApp> application)
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: runner_(runner), settings_(settings), application_(application) {}
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ChromeMainRunnerDelegate::~ChromeMainRunnerDelegate() = default;
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content::ContentMainDelegate*
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ChromeMainRunnerDelegate::GetContentMainDelegate() {
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if (!main_delegate_) {
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main_delegate_ = std::make_unique<ChromeMainDelegateCef>(runner_, settings_,
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application_);
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}
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return main_delegate_.get();
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}
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void ChromeMainRunnerDelegate::BeforeMainThreadInitialize(
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const CefMainArgs& args) {
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#if BUILDFLAG(IS_WIN)
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base::CommandLine::Init(0, nullptr);
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#else
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base::CommandLine::Init(args.argc, args.argv);
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#endif
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}
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void ChromeMainRunnerDelegate::BeforeMainThreadRun(
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bool multi_threaded_message_loop) {
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if (multi_threaded_message_loop) {
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// Detach from the main thread so that these objects can be attached and
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// modified from the UI thread going forward.
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metrics::GlobalPersistentSystemProfile::GetInstance()
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->DetachFromCurrentThread();
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}
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}
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void ChromeMainRunnerDelegate::BeforeMainMessageLoopRun(
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base::RunLoop* run_loop) {
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// The ScopedKeepAlive instance triggers shutdown logic when released on the
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// UI thread before terminating the message loop (e.g. from CefQuitMessageLoop
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// or FinishShutdownOnUIThread when running with multi-threaded message loop).
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keep_alive_ = std::make_unique<ScopedKeepAlive>(
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KeepAliveOrigin::APP_CONTROLLER, KeepAliveRestartOption::DISABLED);
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// The QuitClosure will be executed from BrowserProcessImpl::Unpin() via
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// KeepAliveRegistry when the last ScopedKeepAlive is released.
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// ScopedKeepAlives are also held by Browser objects.
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DCHECK(g_browser_process);
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static_cast<BrowserProcessImpl*>(g_browser_process)
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->SetQuitClosure(run_loop->QuitClosure());
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}
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bool ChromeMainRunnerDelegate::HandleMainMessageLoopQuit() {
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// May be called multiple times. See comments in RunMainMessageLoopBefore.
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keep_alive_.reset();
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// Cancel direct execution of the QuitClosure() in
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// CefMainRunner::QuitMessageLoop. We instead wait for all Chrome browser
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// windows to exit.
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return true;
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}
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void ChromeMainRunnerDelegate::BeforeUIThreadInitialize() {
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sampling_profiler_ = std::make_unique<MainThreadStackSamplingProfiler>();
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}
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void ChromeMainRunnerDelegate::AfterUIThreadShutdown() {
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static_cast<ChromeContentBrowserClient*>(
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CefAppManager::Get()->GetContentClient()->browser())
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->CleanupOnUIThread();
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main_delegate_->CleanupOnUIThread();
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sampling_profiler_.reset();
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}
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void ChromeMainRunnerDelegate::BeforeExecuteProcess(const CefMainArgs& args) {
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BeforeMainThreadInitialize(args);
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}
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void ChromeMainRunnerDelegate::AfterExecuteProcess() {
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AfterMainThreadShutdown();
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}
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