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// 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 file.
#include "ash/shell/content_client/shell_browser_main_parts.h"
#include "ash/ash_switches.h"
#include "ash/desktop_background/desktop_background_controller.h"
#include "ash/shell.h"
#include "ash/shell/shell_delegate_impl.h"
#include "ash/shell/window_watcher.h"
#include "ash/system/user/login_status.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/i18n/icu_util.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/threading/thread.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/common/content_switches.h"
#include "content/shell/browser/shell_browser_context.h"
#include "content/shell/browser/shell_net_log.h"
#include "net/base/net_module.h"
#include "ui/aura/env.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/screen.h"
#include "ui/message_center/message_center.h"
#include "ui/views/focus/accelerator_handler.h"
#include "ui/views/test/test_views_delegate.h"
#if defined(USE_X11)
#include "ui/events/x/touch_factory_x11.h"
#endif
#if defined(OS_CHROMEOS)
#include "chromeos/audio/cras_audio_handler.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#endif
namespace ash {
namespace shell {
void InitWindowTypeLauncher();
namespace {
class ShellViewsDelegate : public views::TestViewsDelegate {
public:
ShellViewsDelegate() {}
virtual ~ShellViewsDelegate() {}
// Overridden from views::TestViewsDelegate:
virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
views::Widget* widget) OVERRIDE {
return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
}
virtual bool UseTransparentWindows() const OVERRIDE {
// Ash uses transparent window frames.
return true;
}
virtual void OnBeforeWidgetInit(
views::Widget::InitParams* params,
views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
if (params->native_widget)
return;
if (!params->parent && !params->context && params->top_level)
params->context = Shell::GetPrimaryRootWindow();
}
private:
DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
};
} // namespace
ShellBrowserMainParts::ShellBrowserMainParts(
const content::MainFunctionParams& parameters)
: BrowserMainParts(),
delegate_(NULL) {
}
ShellBrowserMainParts::~ShellBrowserMainParts() {
}
void ShellBrowserMainParts::PreMainMessageLoopStart() {
#if defined(USE_X11)
ui::TouchFactory::SetTouchDeviceListFromCommandLine();
#endif
}
void ShellBrowserMainParts::PostMainMessageLoopStart() {
#if defined(OS_CHROMEOS)
chromeos::DBusThreadManager::Initialize();
#endif
}
void ShellBrowserMainParts::PreMainMessageLoopRun() {
net_log_.reset(new content::ShellNetLog());
browser_context_.reset(new content::ShellBrowserContext(
false, net_log_.get()));
// A ViewsDelegate is required.
if (!views::ViewsDelegate::views_delegate)
views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
delegate_ = new ash::shell::ShellDelegateImpl;
// The global message center state must be initialized absent
// g_browser_process.
message_center::MessageCenter::Initialize();
#if defined(OS_CHROMEOS)
// Create CrasAudioHandler for testing since g_browser_process
// is absent.
chromeos::CrasAudioHandler::InitializeForTesting();
#endif
ash::Shell::CreateInstance(delegate_);
delegate_->set_browser_context(browser_context_.get());
ash::Shell::GetInstance()->CreateLauncher();
ash::Shell::GetInstance()->UpdateAfterLoginStatusChange(
user::LOGGED_IN_USER);
window_watcher_.reset(new ash::shell::WindowWatcher);
gfx::Screen* screen = Shell::GetInstance()->GetScreen();
screen->AddObserver(window_watcher_.get());
delegate_->SetWatcher(window_watcher_.get());
ash::shell::InitWindowTypeLauncher();
Shell::GetInstance()->desktop_background_controller()->SetDefaultWallpaper(
false /* is_guest */);
ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->host()->Show();
}
void ShellBrowserMainParts::PostMainMessageLoopRun() {
gfx::Screen* screen = Shell::GetInstance()->GetScreen();
screen->RemoveObserver(window_watcher_.get());
window_watcher_.reset();
delegate_->SetWatcher(NULL);
delegate_ = NULL;
ash::Shell::DeleteInstance();
// The global message center state must be shutdown absent
// g_browser_process.
message_center::MessageCenter::Shutdown();
#if defined(OS_CHROMEOS)
chromeos::CrasAudioHandler::Shutdown();
#endif
aura::Env::DeleteInstance();
// The keyboard may have created a WebContents. The WebContents is destroyed
// with the UI, and it needs the BrowserContext to be alive during its
// destruction. So destroy all of the UI elements before destroying the
// browser context.
browser_context_.reset();
}
bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
base::MessageLoopForUI::current()->Run();
return true;
}
} // namespace shell
} // namespace ash
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