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// Copyright 2016 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 "mash/login/login.h"
#include <map>
#include "base/guid.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "components/mus/public/cpp/property_type_converters.h"
#include "components/mus/public/interfaces/user_access_manager.mojom.h"
#include "mash/init/public/interfaces/init.mojom.h"
#include "mash/login/public/interfaces/login.mojom.h"
#include "mash/wm/public/interfaces/container.mojom.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/services/tracing/public/cpp/tracing_impl.h"
#include "mojo/shell/public/cpp/connector.h"
#include "mojo/shell/public/cpp/shell_client.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/mus/aura_init.h"
#include "ui/views/mus/native_widget_mus.h"
#include "ui/views/mus/window_manager_connection.h"
#include "ui/views/widget/widget_delegate.h"
namespace mash {
namespace login {
namespace {
class Login;
class UI : public views::WidgetDelegateView,
public views::ButtonListener {
public:
static void Show(mojo::Connector* connector, Login* login) {
UI* ui = new UI(login, connector);
ui->StartWindowManager();
views::WindowManagerConnection::Create(connector);
views::Widget* widget = new views::Widget;
views::Widget::InitParams params(
views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
params.delegate = ui;
std::map<std::string, std::vector<uint8_t>> properties;
properties[mash::wm::mojom::kWindowContainer_Property] =
mojo::TypeConverter<const std::vector<uint8_t>, int32_t>::Convert(
static_cast<int32_t>(mash::wm::mojom::Container::LOGIN_WINDOWS));
mus::Window* window =
views::WindowManagerConnection::Get()->NewWindow(properties);
params.native_widget = new views::NativeWidgetMus(
widget, connector, window, mus::mojom::SurfaceType::DEFAULT);
widget->Init(params);
widget->Show();
}
private:
UI(Login* login, mojo::Connector* connector)
: login_(login),
connector_(connector),
user_id_1_("00000000-0000-4000-8000-000000000000"),
user_id_2_("00000000-0000-4000-8000-000000000001"),
login_button_1_(
new views::LabelButton(this, base::ASCIIToUTF16("Timothy"))),
login_button_2_(
new views::LabelButton(this, base::ASCIIToUTF16("Jimothy"))) {
set_background(views::Background::CreateSolidBackground(SK_ColorRED));
login_button_1_->SetStyle(views::Button::STYLE_BUTTON);
login_button_2_->SetStyle(views::Button::STYLE_BUTTON);
AddChildView(login_button_1_);
AddChildView(login_button_2_);
}
~UI() override {
// Prevent the window manager from restarting during graceful shutdown.
window_manager_connection_->SetConnectionLostClosure(base::Closure());
base::MessageLoop::current()->QuitWhenIdle();
}
// Overridden from views::WidgetDelegate:
views::View* GetContentsView() override { return this; }
base::string16 GetWindowTitle() const override {
// TODO(beng): use resources.
return base::ASCIIToUTF16("Login");
}
void DeleteDelegate() override { delete this; }
// Overridden from views::View:
void Layout() override {
gfx::Rect button_box = GetLocalBounds();
button_box.Inset(10, 10);
gfx::Size ps1 = login_button_1_->GetPreferredSize();
gfx::Size ps2 = login_button_2_->GetPreferredSize();
DCHECK(ps1.height() == ps2.height());
// The 10 is inter-button spacing.
button_box.set_x((button_box.width() - ps1.width() - ps2.width() - 10) / 2);
button_box.set_y((button_box.height() - ps1.height()) / 2);
login_button_1_->SetBounds(button_box.x(), button_box.y(), ps1.width(),
ps1.height());
login_button_2_->SetBounds(login_button_1_->bounds().right() + 10,
button_box.y(), ps2.width(), ps2.height());
}
// Overridden from views::ButtonListener:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
void StartWindowManager() {
window_manager_connection_ = connector_->Connect("mojo:desktop_wm");
window_manager_connection_->SetConnectionLostClosure(
base::Bind(&UI::StartWindowManager, base::Unretained(this)));
}
Login* login_;
mojo::Connector* connector_;
const std::string user_id_1_;
const std::string user_id_2_;
views::LabelButton* login_button_1_;
views::LabelButton* login_button_2_;
scoped_ptr<mojo::Connection> window_manager_connection_;
DISALLOW_COPY_AND_ASSIGN(UI);
};
class Login : public mojo::ShellClient,
public mojo::InterfaceFactory<mojom::Login>,
public mojom::Login {
public:
Login() {}
~Login() override {}
void LoginAs(const std::string& user_id) {
user_access_manager_->SetActiveUser(user_id);
mash::init::mojom::InitPtr init;
connector_->ConnectToInterface("mojo:mash_init", &init);
init->StartService("mojo:mash_session", user_id);
}
private:
// mojo::ShellClient:
void Initialize(mojo::Connector* connector, const mojo::Identity& identity,
uint32_t id) override {
connector_ = connector;
tracing_.Initialize(connector, identity.name());
aura_init_.reset(new views::AuraInit(connector, "views_mus_resources.pak"));
connector_->ConnectToInterface("mojo:mus", &user_access_manager_);
user_access_manager_->SetActiveUser(identity.user_id());
}
bool AcceptConnection(mojo::Connection* connection) override {
connection->AddInterface<mojom::Login>(this);
return true;
}
// mojo::InterfaceFactory<mojom::Login>:
void Create(mojo::Connection* connection,
mojom::LoginRequest request) override {
bindings_.AddBinding(this, std::move(request));
}
// mojom::Login:
void ShowLoginUI() override {
UI::Show(connector_, this);
}
void SwitchUser() override {
UI::Show(connector_, this);
}
void StartWindowManager();
mojo::Connector* connector_;
mojo::TracingImpl tracing_;
scoped_ptr<views::AuraInit> aura_init_;
mojo::BindingSet<mojom::Login> bindings_;
mus::mojom::UserAccessManagerPtr user_access_manager_;
scoped_ptr<mojo::Connection> window_manager_connection_;
DISALLOW_COPY_AND_ASSIGN(Login);
};
void UI::ButtonPressed(views::Button* sender, const ui::Event& event) {
// Login...
if (sender == login_button_1_) {
login_->LoginAs(user_id_1_);
} else if (sender == login_button_2_) {
login_->LoginAs(user_id_2_);
} else {
NOTREACHED();
}
GetWidget()->Close();
}
} // namespace
mojo::ShellClient* CreateLogin() {
return new Login;
}
} // namespace login
} // namespace main
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