// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/session/session_controller_impl.h"
#include "ash/session/test_pref_service_provider.h"
#include "ash/session/test_session_controller_client.h"
#include "ash/shelf/shelf.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/test/ash_test_helper.h"
#include "ash/wm/desks/desks_util.h"
#include "ash/wm/lock_state_controller.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/client/window_parenting_client.h"
#include "ui/aura/window.h"
#include "ui/base/mojom/ui_base_types.mojom-shared.h"
#include "ui/base/ui_base_types.h"
#include "ui/views/test/widget_test.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/window_util.h"
namespace ash {
namespace {
// Defines a |SessionControllerClient| that is used to create and destroy the
// test lock screen widget.
class LockScreenSessionControllerClient : public TestSessionControllerClient {
public:
LockScreenSessionControllerClient(SessionControllerImpl* controller,
TestPrefServiceProvider* prefs_provider)
: TestSessionControllerClient(controller, prefs_provider) {
InitializeAndSetClient();
CreatePredefinedUserSessions(1);
}
LockScreenSessionControllerClient(const LockScreenSessionControllerClient&) =
delete;
LockScreenSessionControllerClient& operator=(
const LockScreenSessionControllerClient&) = delete;
~LockScreenSessionControllerClient() override = default;
// TestSessionControllerClient:
void RequestLockScreen() override {
TestSessionControllerClient::RequestLockScreen();
CreateLockScreen();
Shelf::UpdateShelfVisibility();
}
void UnlockScreen() override {
TestSessionControllerClient::UnlockScreen();
if (lock_screen_widget_.get()) {
lock_screen_widget_->Close();
lock_screen_widget_.reset(nullptr);
}
Shelf::UpdateShelfVisibility();
}
private:
void CreateLockScreen() {
auto lock_view = std::make_unique<views::View>();
lock_screen_widget_ = std::make_unique<views::Widget>();
views::Widget::InitParams params(
views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET,
views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
gfx::Size ps = lock_view->GetPreferredSize();
gfx::Size root_window_size = Shell::GetPrimaryRootWindow()->bounds().size();
params.bounds = gfx::Rect((root_window_size.width() - ps.width()) / 2,
(root_window_size.height() - ps.height()) / 2,
ps.width(), ps.height());
params.parent = Shell::GetContainer(Shell::GetPrimaryRootWindow(),
kShellWindowId_LockScreenContainer);
lock_screen_widget_->Init(std::move(params));
lock_screen_widget_->SetContentsView(std::move(lock_view));
lock_screen_widget_->Show();
lock_screen_widget_->GetNativeView()->SetName("LockView");
lock_screen_widget_->GetNativeView()->Focus();
}
std::unique_ptr<views::Widget> lock_screen_widget_;
};
////////////////////////////////////////////////////////////////////////////////
// Defines a class that will be used to test the correct behavior of
// |AshFocusRules| when locking and unlocking the screen.
class LockScreenAshFocusRulesTest : public AshTestBase {
public:
LockScreenAshFocusRulesTest() = default;
LockScreenAshFocusRulesTest(const LockScreenAshFocusRulesTest&) = delete;
LockScreenAshFocusRulesTest& operator=(const LockScreenAshFocusRulesTest&) =
delete;
~LockScreenAshFocusRulesTest() override = default;
void SetUp() override {
AshTestBase::SetUp();
ash_test_helper()->set_test_session_controller_client(
std::make_unique<LockScreenSessionControllerClient>(
Shell::Get()->session_controller(),
ash_test_helper()->prefs_provider()));
}
aura::Window* CreateWindowInActiveDesk() {
return CreateWindowInContainer(desks_util::GetActiveDeskContainerId());
}
aura::Window* CreateWindowInAppListContainer() {
return CreateWindowInContainer(kShellWindowId_AppListContainer);
}
aura::Window* CreateWindowInAlwaysOnTopContainer() {
aura::Window* window =
CreateWindowInContainer(kShellWindowId_AlwaysOnTopContainer);
window->SetProperty(aura::client::kZOrderingKey,
ui::ZOrderLevel::kFloatingWindow);
return window;
}
aura::Window* CreateWindowInLockContainer() {
return CreateWindowInContainer(kShellWindowId_LockScreenContainer);
}
aura::Window* CreateWindowInShelfContainer() {
return CreateWindowInContainer(kShellWindowId_ShelfContainer);
}
aura::Window* CreateWindowInLockSystemModalContainer() {
aura::Window* window =
CreateWindowInContainer(kShellWindowId_LockSystemModalContainer);
window->SetProperty(aura::client::kModalKey, ui::mojom::ModalType::kSystem);
return window;
}
aura::Window* CreateWindowInSystemModalContainer() {
aura::Window* window =
CreateWindowInContainer(kShellWindowId_SystemModalContainer);
window->SetProperty(aura::client::kModalKey, ui::mojom::ModalType::kSystem);
return window;
}
private:
aura::Window* CreateWindowInContainer(int container_id) {
aura::Window* root_window = Shell::GetPrimaryRootWindow();
aura::Window* container = Shell::GetContainer(root_window, container_id);
aura::Window* window = new aura::Window(nullptr);
window->SetId(0);
window->SetType(aura::client::WINDOW_TYPE_NORMAL);
window->Init(ui::LAYER_TEXTURED);
window->Show();
window->SetProperty(aura::client::kResizeBehaviorKey,
aura::client::kResizeBehaviorCanMaximize |
aura::client::kResizeBehaviorCanMinimize |
aura::client::kResizeBehaviorCanResize);
container->AddChild(window);
return window;
}
std::unique_ptr<LockScreenSessionControllerClient> session_controller_client_;
};
} // namespace
// Verifies focus is returned (after unlocking the screen) to the most recent
// window that had it before locking the screen.
TEST_F(LockScreenAshFocusRulesTest, RegainFocusAfterUnlock) {
std::unique_ptr<aura::Window> normal_window(CreateWindowInActiveDesk());
std::unique_ptr<aura::Window> always_on_top_window(
CreateWindowInAlwaysOnTopContainer());
wm::ActivateWindow(always_on_top_window.get());
wm::ActivateWindow(normal_window.get());
EXPECT_TRUE(wm::IsActiveWindow(normal_window.get()));
EXPECT_TRUE(normal_window->IsVisible());
EXPECT_TRUE(always_on_top_window->IsVisible());
EXPECT_TRUE(normal_window->HasFocus());
EXPECT_FALSE(always_on_top_window->HasFocus());
WindowState* normal_window_state = WindowState::Get(normal_window.get());
WindowState* always_on_top_window_state =
WindowState::Get(always_on_top_window.get());
EXPECT_TRUE(normal_window_state->CanActivate());
EXPECT_TRUE(always_on_top_window_state->CanActivate());
BlockUserSession(BLOCKED_BY_LOCK_SCREEN);
EXPECT_TRUE(Shell::Get()->session_controller()->IsScreenLocked());
EXPECT_FALSE(normal_window->HasFocus());
EXPECT_FALSE(always_on_top_window->HasFocus());
EXPECT_FALSE(normal_window_state->IsMinimized());
EXPECT_FALSE(always_on_top_window_state->IsMinimized());
EXPECT_FALSE(normal_window_state->CanActivate());
EXPECT_FALSE(always_on_top_window_state->CanActivate());
UnblockUserSession();
EXPECT_FALSE(Shell::Get()->session_controller()->IsScreenLocked());
EXPECT_FALSE(normal_window_state->IsMinimized());
EXPECT_FALSE(always_on_top_window_state->IsMinimized());
EXPECT_TRUE(normal_window_state->CanActivate());
EXPECT_TRUE(always_on_top_window_state->CanActivate());
EXPECT_FALSE(always_on_top_window->HasFocus());
EXPECT_TRUE(normal_window->HasFocus());
}
// Tests that if a widget has a view which should be initially focused, this
// view doesn't get focused if the widget shows behind the lock screen.
TEST_F(LockScreenAshFocusRulesTest, PreventFocusChangeWithLockScreenPresent) {
BlockUserSession(BLOCKED_BY_LOCK_SCREEN);
EXPECT_TRUE(Shell::Get()->session_controller()->IsScreenLocked());
views::test::TestInitialFocusWidgetDelegate delegate(GetContext());
EXPECT_FALSE(delegate.view()->HasFocus());
delegate.GetWidget()->Show();
EXPECT_FALSE(delegate.GetWidget()->IsActive());
EXPECT_FALSE(delegate.view()->HasFocus());
UnblockUserSession();
EXPECT_FALSE(Shell::Get()->session_controller()->IsScreenLocked());
EXPECT_TRUE(delegate.GetWidget()->IsActive());
EXPECT_TRUE(delegate.view()->HasFocus());
}
// Verifies that a window in lock container cannot be activated if a lock
// system modal window is shown.
TEST_F(LockScreenAshFocusRulesTest,
PreventLockScreenActivationUnderLockSystemModalWindow) {
// System modal window - given that it's not lock system modal, it should
// have no impact on activation of windows while user session is locked.
std::unique_ptr<aura::Window> system_modal_window(
CreateWindowInSystemModalContainer());
EXPECT_TRUE(wm::IsActiveWindow(system_modal_window.get()));
BlockUserSession(BLOCKED_BY_LOCK_SCREEN);
EXPECT_TRUE(Shell::Get()->session_controller()->IsScreenLocked());
std::unique_ptr<aura::Window> lock_window(CreateWindowInLockContainer());
std::unique_ptr<aura::Window> lock_system_modal_window(
CreateWindowInLockSystemModalContainer());
EXPECT_TRUE(wm::IsActiveWindow(lock_system_modal_window.get()));
// Try to activate a lock container window - it should not succeed if a lock
// system modal dialog is present.
wm::ActivateWindow(lock_window.get());
EXPECT_TRUE(wm::IsActiveWindow(lock_system_modal_window.get()));
lock_system_modal_window.reset();
// Activating lock window should succeed after system modal widnow is closed.
wm::ActivateWindow(lock_window.get());
EXPECT_TRUE(wm::IsActiveWindow(lock_window.get()));
lock_window.reset();
EXPECT_FALSE(wm::IsActiveWindow(system_modal_window.get()));
UnblockUserSession();
// Upon unlocking the session, the system modal window should be reactivated.
EXPECT_TRUE(wm::IsActiveWindow(system_modal_window.get()));
}
// Verifies that the shelf can be activated in login/lock screen even if there
// is a lock system modal present.
TEST_F(LockScreenAshFocusRulesTest,
AllowShelfActivationWithLockSystemModalWindow) {
BlockUserSession(BLOCKED_BY_LOCK_SCREEN);
EXPECT_TRUE(Shell::Get()->session_controller()->IsScreenLocked());
std::unique_ptr<aura::Window> lock_window(CreateWindowInLockContainer());
std::unique_ptr<aura::Window> lock_shelf_window(
CreateWindowInShelfContainer());
std::unique_ptr<aura::Window> lock_system_modal_window(
CreateWindowInLockSystemModalContainer());
EXPECT_TRUE(wm::IsActiveWindow(lock_system_modal_window.get()));
wm::ActivateWindow(lock_shelf_window.get());
EXPECT_TRUE(wm::IsActiveWindow(lock_shelf_window.get()));
}
// Simulates a transient child dialog of the applist when it gets closed and
// loses focus, the focus should be returned to the applist transient parent,
// not to another window in the MRU list. https://crbug.com/950469.
TEST_F(LockScreenAshFocusRulesTest, TransientChildLosingFocus) {
std::unique_ptr<aura::Window> normal_window(CreateWindowInActiveDesk());
std::unique_ptr<aura::Window> transient_parent(
CreateWindowInAppListContainer());
std::unique_ptr<aura::Window> transient_child(
CreateWindowInAppListContainer());
::wm::AddTransientChild(transient_parent.get(), transient_child.get());
wm::ActivateWindow(transient_child.get());
EXPECT_TRUE(wm::IsActiveWindow(transient_child.get()));
transient_child->Hide();
EXPECT_TRUE(wm::IsActiveWindow(transient_parent.get()));
}
} // namespace ash
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