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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 "chrome/browser/ui/views/ash/chrome_shell_delegate.h"
#include "ash/launcher/launcher_types.h"
#include "ash/system/tray/system_tray_delegate.h"
#include "ash/wm/partial_screenshot_view.h"
#include "ash/wm/window_util.h"
#include "base/command_line.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/views/ash/app_list/app_list_view_delegate.h"
#include "chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.h"
#include "chrome/browser/ui/views/ash/status_area_host_aura.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/chrome_switches.h"
#include "content/public/browser/notification_service.h"
#include "ui/aura/window.h"
#if defined(OS_CHROMEOS)
#include "base/chromeos/chromeos_version.h"
#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
#include "chrome/browser/chromeos/dbus/power_manager_client.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
#endif
namespace {
// Returns a list of Aura windows from a BrowserList, using either a
// const_iterator or const_reverse_iterator.
template<typename IT>
std::vector<aura::Window*> GetBrowserWindows(IT begin, IT end) {
std::vector<aura::Window*> windows;
for (IT it = begin; it != end; ++it) {
Browser* browser = *it;
if (browser && browser->window()->GetNativeHandle())
windows.push_back(browser->window()->GetNativeHandle());
}
return windows;
}
} // namespace
// static
ChromeShellDelegate* ChromeShellDelegate::instance_ = NULL;
ChromeShellDelegate::ChromeShellDelegate() {
instance_ = this;
#if defined(OS_CHROMEOS)
registrar_.Add(
this,
chrome::NOTIFICATION_SESSION_STARTED,
content::NotificationService::AllSources());
#endif
}
ChromeShellDelegate::~ChromeShellDelegate() {
if (instance_ == this)
instance_ = NULL;
}
StatusAreaView* ChromeShellDelegate::GetStatusArea() {
return status_area_host_->GetStatusArea();
}
views::Widget* ChromeShellDelegate::CreateStatusArea() {
status_area_host_.reset(new StatusAreaHostAura());
views::Widget* status_area_widget =
status_area_host_.get()->CreateStatusArea();
return status_area_widget;
}
bool ChromeShellDelegate::CanCreateLauncher() {
#if defined(OS_CHROMEOS)
// When running a Chrome OS build outside of a device (i.e. on a developer's
// workstation), pretend like we're always logged in.
if (!base::chromeos::IsRunningOnChromeOS())
return true;
return chromeos::UserManager::Get()->IsUserLoggedIn();
#else
return true;
#endif
}
#if defined(OS_CHROMEOS)
void ChromeShellDelegate::LockScreen() {
if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kGuestSession)) {
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
NotifyScreenLockRequested();
}
}
#endif
void ChromeShellDelegate::Exit() {
BrowserList::AttemptUserExit();
}
ash::AppListViewDelegate*
ChromeShellDelegate::CreateAppListViewDelegate() {
// Shell will own the created delegate.
return new AppListViewDelegate;
}
std::vector<aura::Window*> ChromeShellDelegate::GetCycleWindowList(
CycleSource source) const {
// BrowserList maintains a list of browsers sorted by activity.
return GetBrowserWindows(BrowserList::begin_last_active(),
BrowserList::end_last_active());
}
void ChromeShellDelegate::StartPartialScreenshot(
ash::ScreenshotDelegate* screenshot_delegate) {
ash::PartialScreenshotView::StartPartialScreenshot(screenshot_delegate);
}
ash::LauncherDelegate* ChromeShellDelegate::CreateLauncherDelegate(
ash::LauncherModel* model) {
ChromeLauncherDelegate* delegate = new ChromeLauncherDelegate(NULL, model);
delegate->Init();
return delegate;
}
ash::SystemTrayDelegate* ChromeShellDelegate::CreateSystemTrayDelegate(
ash::SystemTray* tray) {
#if defined(OS_CHROMEOS)
return chromeos::CreateSystemTrayDelegate(tray);
#else
return NULL;
#endif
}
void ChromeShellDelegate::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
#if defined(OS_CHROMEOS)
switch (type) {
case chrome::NOTIFICATION_SESSION_STARTED:
ash::Shell::GetInstance()->CreateLauncher();
break;
default:
NOTREACHED() << "Unexpected notification " << type;
}
#else
// MSVC++ warns about switch statements without any cases.
NOTREACHED() << "Unexpected notification " << type;
#endif
}
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