electron/brightray/browser/browser_main_parts.cc
2016-07-04 16:41:11 +09:00

259 lines
7.7 KiB
C++

// Copyright (c) 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-CHROMIUM file.
#include "browser/browser_main_parts.h"
#include "browser/browser_context.h"
#include "browser/devtools_manager_delegate.h"
#include "browser/web_ui_controller_factory.h"
#include "common/main_delegate.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "components/devtools_http_handler/devtools_http_handler.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_switches.h"
#include "media/base/media_resources.h"
#include "net/proxy/proxy_resolver_v8.h"
#include "ui/base/l10n/l10n_util.h"
#if defined(USE_AURA)
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/views/widget/desktop_aura/desktop_screen.h"
#endif
#if defined(TOOLKIT_VIEWS)
#include "browser/views/views_delegate.h"
#endif
#if defined(USE_X11)
#include "base/environment.h"
#include "base/path_service.h"
#include "base/nix/xdg_util.h"
#include "base/threading/thread_task_runner_handle.h"
#include "browser/brightray_paths.h"
#include "chrome/browser/ui/libgtk2ui/gtk2_ui.h"
#include "ui/base/x/x11_util.h"
#include "ui/base/x/x11_util_internal.h"
#include "ui/views/linux_ui/linux_ui.h"
#include "ui/wm/core/wm_state.h"
#endif
#if defined(OS_WIN)
#include "ui/base/cursor/cursor_loader_win.h"
#include "ui/base/l10n/l10n_util_win.h"
#include "ui/gfx/platform_font_win.h"
#endif
#if defined(OS_LINUX)
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/dbus/dbus_bluez_manager_wrapper_linux.h"
#endif
using content::BrowserThread;
namespace brightray {
namespace {
#if defined(OS_WIN)
// gfx::Font callbacks
void AdjustUIFont(LOGFONT* logfont) {
l10n_util::AdjustUIFont(logfont);
}
int GetMinimumFontSize() {
return 10;
}
#endif
#if defined(USE_X11)
// Indicates that we're currently responding to an IO error (by shutting down).
bool g_in_x11_io_error_handler = false;
// Number of seconds to wait for UI thread to get an IO error if we get it on
// the background thread.
const int kWaitForUIThreadSeconds = 10;
void OverrideLinuxAppDataPath() {
base::FilePath path;
if (PathService::Get(DIR_APP_DATA, &path))
return;
std::unique_ptr<base::Environment> env(base::Environment::Create());
path = base::nix::GetXDGDirectory(env.get(),
base::nix::kXdgConfigHomeEnvVar,
base::nix::kDotConfigDir);
PathService::Override(DIR_APP_DATA, path);
}
int BrowserX11ErrorHandler(Display* d, XErrorEvent* error) {
if (!g_in_x11_io_error_handler) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&ui::LogErrorEventDescription, d, *error));
}
return 0;
}
// This function is used to help us diagnose crash dumps that happen
// during the shutdown process.
NOINLINE void WaitingForUIThreadToHandleIOError() {
// Ensure function isn't optimized away.
asm("");
sleep(kWaitForUIThreadSeconds);
}
int BrowserX11IOErrorHandler(Display* d) {
if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
// Wait for the UI thread (which has a different connection to the X server)
// to get the error. We can't call shutdown from this thread without
// tripping an error. Doing it through a function so that we'll be able
// to see it in any crash dumps.
WaitingForUIThreadToHandleIOError();
return 0;
}
// If there's an IO error it likely means the X server has gone away.
// If this CHECK fails, then that means SessionEnding() below triggered some
// code that tried to talk to the X server, resulting in yet another error.
CHECK(!g_in_x11_io_error_handler);
g_in_x11_io_error_handler = true;
LOG(ERROR) << "X IO error received (X server probably went away)";
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::MessageLoop::QuitWhenIdleClosure());
return 0;
}
int X11EmptyErrorHandler(Display* d, XErrorEvent* error) {
return 0;
}
int X11EmptyIOErrorHandler(Display* d) {
return 0;
}
#endif
base::string16 MediaStringProvider(media::MessageId id) {
switch (id) {
case media::DEFAULT_AUDIO_DEVICE_NAME:
return base::ASCIIToUTF16("Default");
#if defined(OS_WIN)
case media::COMMUNICATIONS_AUDIO_DEVICE_NAME:
return base::ASCIIToUTF16("Communications");
#endif
default:
return base::string16();
}
}
} // namespace
BrowserMainParts::BrowserMainParts() {
}
BrowserMainParts::~BrowserMainParts() {
}
void BrowserMainParts::PreEarlyInitialization() {
std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
feature_list->InitializeFromCommandLine("", "");
base::FeatureList::SetInstance(std::move(feature_list));
#if defined(USE_X11)
views::LinuxUI::SetInstance(BuildGtk2UI());
OverrideLinuxAppDataPath();
// Installs the X11 error handlers for the browser process used during
// startup. They simply print error messages and exit because
// we can't shutdown properly while creating and initializing services.
ui::SetX11ErrorHandlers(nullptr, nullptr);
#endif
}
void BrowserMainParts::ToolkitInitialized() {
#if defined(USE_AURA) && defined(USE_X11)
views::LinuxUI::instance()->Initialize();
wm_state_.reset(new wm::WMState);
#endif
#if defined(TOOLKIT_VIEWS)
views_delegate_.reset(new ViewsDelegate);
#endif
#if defined(OS_WIN)
gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
wchar_t module_name[MAX_PATH] = { 0 };
if (GetModuleFileName(NULL, module_name, MAX_PATH))
ui::CursorLoaderWin::SetCursorResourceModule(module_name);
#endif
}
void BrowserMainParts::PreMainMessageLoopStart() {
#if defined(OS_MACOSX)
l10n_util::OverrideLocaleWithCocoaLocale();
#endif
InitializeResourceBundle("");
#if defined(OS_MACOSX)
InitializeMainNib();
#endif
media::SetLocalizedStringProvider(MediaStringProvider);
}
void BrowserMainParts::PreMainMessageLoopRun() {
content::WebUIControllerFactory::RegisterFactory(
WebUIControllerFactory::GetInstance());
// --remote-debugging-port
auto command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kRemoteDebuggingPort))
devtools_http_handler_.reset(DevToolsManagerDelegate::CreateHttpHandler());
}
void BrowserMainParts::PostMainMessageLoopStart() {
#if defined(USE_X11)
// Installs the X11 error handlers for the browser process after the
// main message loop has started. This will allow us to exit cleanly
// if X exits before us.
ui::SetX11ErrorHandlers(BrowserX11ErrorHandler, BrowserX11IOErrorHandler);
#endif
#if defined(OS_LINUX)
bluez::DBusBluezManagerWrapperLinux::Initialize();
#endif
}
void BrowserMainParts::PostMainMessageLoopRun() {
#if defined(USE_X11)
// Unset the X11 error handlers. The X11 error handlers log the errors using a
// |PostTask()| on the message-loop. But since the message-loop is in the
// process of terminating, this can cause errors.
ui::SetX11ErrorHandlers(X11EmptyErrorHandler, X11EmptyIOErrorHandler);
#endif
}
int BrowserMainParts::PreCreateThreads() {
#if defined(USE_AURA)
display::Screen* screen = views::CreateDesktopScreen();
display::Screen::SetScreenInstance(screen);
#if defined(USE_X11)
views::LinuxUI::instance()->UpdateDeviceScaleFactor(
screen->GetPrimaryDisplay().device_scale_factor());
#endif
#endif
return 0;
}
void BrowserMainParts::PostDestroyThreads() {
#if defined(OS_LINUX)
device::BluetoothAdapterFactory::Shutdown();
bluez::DBusBluezManagerWrapperLinux::Shutdown();
#endif
}
} // namespace brightray