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// Copyright 2013 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/ash/multi_user/multi_profile_support.h"
#include <set>
#include <vector>
#include "ash/public/cpp/multi_user_window_manager.h"
#include "base/metrics/histogram_macros.h"
#include "base/scoped_observation.h"
#include "base/strings/string_util.h"
#include "chrome/browser/ash/app_restore/full_restore_service.h"
#include "chrome/browser/ash/app_restore/full_restore_service_factory.h"
#include "chrome/browser/ash/floating_workspace/floating_workspace_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
#include "chrome/browser/ui/ash/session/session_controller_client_impl.h"
#include "chrome/browser/ui/ash/session/session_util.h"
#include "chrome/browser/ui/ash/shelf/chrome_shelf_controller.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "components/app_restore/full_restore_utils.h"
#include "extensions/browser/app_window/app_window.h"
#include "extensions/browser/app_window/app_window_registry.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/window.h"
#include "ui/base/ui_base_types.h"
// This class keeps track of all applications which were started for a user.
// When an app gets created, the window will be tagged for that user. Note
// that the destruction does not need to be tracked here since the universal
// window observer will take care of that.
class AppObserver : public extensions::AppWindowRegistry::Observer {
public:
explicit AppObserver(extensions::AppWindowRegistry* registry,
const std::string& user_id)
: user_id_(user_id) {
app_window_registry_observer_.Observe(registry);
}
AppObserver(const AppObserver&) = delete;
AppObserver& operator=(const AppObserver&) = delete;
~AppObserver() override = default;
// AppWindowRegistry::Observer overrides:
void OnAppWindowAdded(extensions::AppWindow* app_window) override {
aura::Window* window = app_window->GetNativeWindow();
DCHECK(window);
MultiUserWindowManagerHelper::GetWindowManager()->SetWindowOwner(
window, AccountId::FromUserEmail(user_id_));
}
private:
std::string user_id_;
base::ScopedObservation<extensions::AppWindowRegistry,
extensions::AppWindowRegistry::Observer>
app_window_registry_observer_{this};
};
// static
MultiProfileSupport* MultiProfileSupport::instance_ = nullptr;
MultiProfileSupport::MultiProfileSupport(const AccountId& current_account_id) {
DCHECK(!instance_);
instance_ = this;
multi_user_window_manager_ =
ash::MultiUserWindowManager::Create(this, current_account_id);
}
MultiProfileSupport::~MultiProfileSupport() {
DCHECK_EQ(instance_, this);
instance_ = nullptr;
BrowserList::RemoveObserver(this);
// This may trigger callbacks to us, delete it early on.
multi_user_window_manager_.reset();
// Remove all app observers.
account_id_to_app_observer_.clear();
}
void MultiProfileSupport::Init() {
// Since we are setting the SessionStateObserver and adding the user, this
// function should get called only once.
auto current_account_id = multi_user_window_manager_->CurrentAccountId();
DCHECK(account_id_to_app_observer_.find(current_account_id) ==
account_id_to_app_observer_.end());
BrowserList::AddObserver(this);
// Add an app window observer & all already running apps.
Profile* profile =
multi_user_util::GetProfileFromAccountId(current_account_id);
if (profile) {
AddUser(profile);
}
}
void MultiProfileSupport::AddUser(content::BrowserContext* context) {
Profile* profile = Profile::FromBrowserContext(context);
const AccountId& account_id(
multi_user_util::GetAccountIdFromProfile(profile));
if (account_id_to_app_observer_.find(account_id) !=
account_id_to_app_observer_.end()) {
return;
}
account_id_to_app_observer_[account_id] = std::make_unique<AppObserver>(
extensions::AppWindowRegistry::Get(profile), account_id.GetUserEmail());
// Account all existing application windows of this user accordingly.
const extensions::AppWindowRegistry::AppWindowList& app_windows =
extensions::AppWindowRegistry::Get(profile)->app_windows();
extensions::AppWindowRegistry::AppWindowList::const_iterator it =
app_windows.begin();
for (; it != app_windows.end(); ++it) {
account_id_to_app_observer_[account_id]->OnAppWindowAdded(*it);
}
// Account all existing browser windows of this user accordingly.
for (Browser* browser : *BrowserList::GetInstance()) {
if (browser->profile()->IsSameOrParent(profile)) {
OnBrowserAdded(browser);
}
}
}
void MultiProfileSupport::OnBrowserAdded(Browser* browser) {
// A unit test (e.g. CrashRestoreComplexTest.RestoreSessionForThreeUsers) can
// come here with no valid window.
if (!browser->window() || !browser->window()->GetNativeWindow()) {
return;
}
multi_user_window_manager_->SetWindowOwner(
browser->window()->GetNativeWindow(),
multi_user_util::GetAccountIdFromProfile(browser->profile()));
}
void MultiProfileSupport::OnWindowOwnerEntryChanged(aura::Window* window,
const AccountId& account_id,
bool was_minimized,
bool teleported) {
const AccountId& owner = multi_user_window_manager_->GetWindowOwner(window);
// Browser windows don't use kAvatarIconKey. See
// BrowserNonClientFrameViewAsh::UpdateProfileIcons().
if (owner.is_valid() && !chrome::FindBrowserWithWindow(window)) {
const user_manager::User* const window_owner =
user_manager::UserManager::IsInitialized()
? user_manager::UserManager::Get()->FindUser(owner)
: nullptr;
if (window_owner && teleported) {
window->SetProperty(
aura::client::kAvatarIconKey,
new gfx::ImageSkia(GetAvatarImageForUser(window_owner)));
} else {
window->ClearProperty(aura::client::kAvatarIconKey);
}
}
}
void MultiProfileSupport::OnTransitionUserShelfToNewAccount() {
Profile* profile = ProfileManager::GetActiveUserProfile();
full_restore::SetActiveProfilePath(profile->GetPath());
// Only init full restore when floating workspace is disabled or in safe mode.
// TODO(b/312233508): Add fws test coverage for this case.
if (!ash::floating_workspace_util::ShouldHandleRestartRestore()) {
auto* full_restore_service =
ash::full_restore::FullRestoreServiceFactory::GetForProfile(profile);
if (full_restore_service) {
full_restore_service->OnTransitionedToNewActiveUser(profile);
}
}
ChromeShelfController* chrome_shelf_controller =
ChromeShelfController::instance();
// Some unit tests have no ChromeShelfController.
if (!chrome_shelf_controller) {
return;
}
chrome_shelf_controller->ActiveUserChanged(
multi_user_window_manager_->CurrentAccountId());
}
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