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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
#include <utility>
#include "base/command_line.h"
#include "base/path_service.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/net/system_network_context_manager.h"
#include "chrome/browser/ui/views/chrome_constrained_window_views_client.h"
#include "chrome/browser/ui/views/chrome_layout_provider.h"
#include "chrome/browser/ui/views/chrome_views_delegate.h"
#include "chrome/browser/ui/views/devtools_process_observer.h"
#include "chrome/browser/ui/views/media_router/media_router_dialog_controller_views.h"
#include "chrome/browser/ui/views/relaunch_notification/relaunch_notification_controller.h"
#include "chrome/common/chrome_paths.h"
#include "components/constrained_window/constrained_window_views.h"
#include "components/media_router/browser/media_router_dialog_controller.h"
#include "components/ui_devtools/connector_delegate.h"
#include "components/ui_devtools/switches.h"
#include "components/ui_devtools/views/devtools_server_util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/tracing_service.h"
#include "sandbox/policy/switches.h"
#if defined(USE_AURA)
#include "base/run_loop.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "services/viz/public/cpp/gpu/gpu.h" // nogncheck
#if !BUILDFLAG(IS_CHROMEOS)
#include "ui/display/screen.h"
#include "ui/views/widget/desktop_aura/desktop_screen.h"
#endif
#include "ui/wm/core/wm_state.h"
#endif // defined(USE_AURA)
#if BUILDFLAG(IS_LINUX)
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "chrome/browser/ui/simple_message_box.h"
#include "chrome/grit/branded_strings.h"
#include "chrome/grit/generated_resources.h"
#include "content/public/common/content_switches.h"
#include "ui/base/l10n/l10n_util.h"
#endif // BUILDFLAG(IS_LINUX)
namespace {
// Owned by ChromeBrowserMainParts.
ChromeBrowserMainExtraPartsViews* g_main_parts_views = nullptr;
} // namespace
// This connector is used in ui_devtools's TracingAgent to hook up with the
// tracing service.
class UiDevtoolsConnector : public ui_devtools::ConnectorDelegate {
public:
UiDevtoolsConnector() = default;
~UiDevtoolsConnector() override = default;
void BindTracingConsumerHost(
mojo::PendingReceiver<tracing::mojom::ConsumerHost> receiver) override {
content::GetTracingService().BindConsumerHost(std::move(receiver));
}
};
ChromeBrowserMainExtraPartsViews::ChromeBrowserMainExtraPartsViews() {
DCHECK(!g_main_parts_views);
g_main_parts_views = this;
}
ChromeBrowserMainExtraPartsViews::~ChromeBrowserMainExtraPartsViews() {
DCHECK_EQ(g_main_parts_views, this);
g_main_parts_views = nullptr;
constrained_window::SetConstrainedWindowViewsClient(nullptr);
}
// static
ChromeBrowserMainExtraPartsViews* ChromeBrowserMainExtraPartsViews::Get() {
return g_main_parts_views;
}
void ChromeBrowserMainExtraPartsViews::ToolkitInitialized() {
// The delegate needs to be set before any UI is created so that windows
// display the correct icon.
if (!views::ViewsDelegate::GetInstance()) {
views_delegate_ = std::make_unique<ChromeViewsDelegate>();
}
// Set our raw pointer to the views delegate. This should never be nullptr.
views_delegate_ptr_ = views::ViewsDelegate::GetInstance();
CHECK(views_delegate_ptr_);
SetConstrainedWindowViewsClient(CreateChromeConstrainedWindowViewsClient());
#if defined(USE_AURA)
wm_state_ = std::make_unique<wm::WMState>();
#endif
// TODO(pkasting): Try to move ViewsDelegate creation here as well;
// see https://crbug.com/691894#c1
if (!views::LayoutProvider::Get()) {
layout_provider_ = ChromeLayoutProvider::CreateLayoutProvider();
}
}
void ChromeBrowserMainExtraPartsViews::PostCreateMainMessageLoop() {
views_delegate_ptr_->InitializeViewsAXManager();
}
void ChromeBrowserMainExtraPartsViews::PreCreateThreads() {
#if defined(USE_AURA) && !BUILDFLAG(IS_CHROMEOS)
// The Screen instance may already be set in tests.
if (!display::Screen::GetScreen()) {
screen_ = views::CreateDesktopScreen();
}
#endif
}
void ChromeBrowserMainExtraPartsViews::PreProfileInit() {
if (ui_devtools::UiDevToolsServer::IsUiDevToolsEnabled(
ui_devtools::switches::kEnableUiDevTools)) {
CreateUiDevTools();
}
media_router::MediaRouterDialogController::SetGetOrCreate(
base::BindRepeating([](content::WebContents* web_contents) {
DCHECK(web_contents);
media_router::MediaRouterDialogController* controller = nullptr;
// This call does nothing if the controller already exists.
media_router::MediaRouterDialogControllerViews::CreateForWebContents(
web_contents);
controller =
media_router::MediaRouterDialogControllerViews::FromWebContents(
web_contents);
return controller;
}));
#if BUILDFLAG(IS_LINUX)
// On the Linux desktop, we want to prevent the user from logging in as root,
// so that we don't destroy the profile. Now that we have some minimal ui
// initialized, check to see if we're running as root and bail if we are.
if (geteuid() != 0) {
return;
}
// Allow running inside an unprivileged user namespace. In that case, the
// root directory will be owned by an unmapped UID and GID (although this
// may not be the case if a chroot is also being used).
struct stat st;
if (stat("/", &st) == 0 && st.st_uid != 0) {
return;
}
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(sandbox::policy::switches::kNoSandbox)) {
return;
}
std::u16string title = l10n_util::GetStringFUTF16(
IDS_REFUSE_TO_RUN_AS_ROOT, l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
std::u16string message = l10n_util::GetStringFUTF16(
IDS_REFUSE_TO_RUN_AS_ROOT_2, l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
chrome::ShowWarningMessageBox(nullptr, title, message);
// Avoids gpu_process_transport_factory.cc(153)] Check failed:
// per_compositor_data_.empty() when quit is chosen.
base::RunLoop().RunUntilIdle();
exit(EXIT_FAILURE);
#endif // BUILDFLAG(IS_LINUX)
}
void ChromeBrowserMainExtraPartsViews::PostBrowserStart() {
relaunch_notification_controller_ =
std::make_unique<RelaunchNotificationController>(
UpgradeDetector::GetInstance());
}
void ChromeBrowserMainExtraPartsViews::PostMainMessageLoopRun() {
// The relaunch notification controller acts on timer-based events. Tear it
// down explicitly here to avoid a case where such an event arrives during
// shutdown.
relaunch_notification_controller_.reset();
}
void ChromeBrowserMainExtraPartsViews::CreateUiDevTools() {
DCHECK(!devtools_server_);
DCHECK(!devtools_process_observer_);
// Starts the UI Devtools server for browser UI (and Ash UI on Chrome OS).
auto connector = std::make_unique<UiDevtoolsConnector>();
base::FilePath output_dir;
bool result = base::PathService::Get(chrome::DIR_USER_DATA, &output_dir);
DCHECK(result);
devtools_server_ = ui_devtools::CreateUiDevToolsServerForViews(
content::GetIOThreadTaskRunner(), std::move(connector), output_dir);
devtools_process_observer_ = std::make_unique<DevtoolsProcessObserver>(
devtools_server_->tracing_agent());
}
const ui_devtools::UiDevToolsServer*
ChromeBrowserMainExtraPartsViews::GetUiDevToolsServerInstance() {
return devtools_server_.get();
}
void ChromeBrowserMainExtraPartsViews::DestroyUiDevTools() {
devtools_process_observer_.reset();
devtools_server_.reset();
}
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