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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/shelf/kiosk_apps_button.h"
#include <memory>
#include <string>
#include <vector>
#include "ash/public/cpp/kiosk_app_menu.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/shelf/login_shelf_button.h"
#include "ash/shell.h"
#include "base/check.h"
#include "base/functional/callback.h"
#include "chromeos/strings/grit/chromeos_strings.h"
#include "skia/ext/image_operations.h"
#include "third_party/skia/include/core/SkPath.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/views/controls/menu/menu_runner.h"
namespace ash {
class KioskAppsButton::KioskAppsMenuModel
: public ui::SimpleMenuModel,
public ui::SimpleMenuModel::Delegate {
public:
KioskAppsMenuModel() : ui::SimpleMenuModel(this) {}
KioskAppsMenuModel(const KioskAppsMenuModel&) = delete;
KioskAppsMenuModel& operator=(const KioskAppsMenuModel&) = delete;
~KioskAppsMenuModel() override = default;
bool IsLaunchEnabled() const { return is_launch_enabled_; }
void SetLaunchEnabled(bool enabled) { is_launch_enabled_ = enabled; }
bool LaunchApp(const std::string& chrome_app_id) {
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
if (kiosk_apps_[i].chrome_app_id == chrome_app_id) {
ExecuteCommand(/*command_id=*/i, /*event_flags=*/0);
return true;
}
}
return false;
}
bool LaunchApp(const AccountId& account_id) {
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
if (kiosk_apps_[i].account_id == account_id) {
ExecuteCommand(/*command_id=*/i, /*event_flags=*/0);
return true;
}
}
return false;
}
void SetApps(const std::vector<KioskAppMenuEntry>& kiosk_apps) {
kiosk_apps_ = kiosk_apps;
Clear();
const gfx::Size kAppIconSize(16, 16);
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
gfx::ImageSkia icon = gfx::ImageSkiaOperations::CreateResizedImage(
kiosk_apps_[i].icon, skia::ImageOperations::RESIZE_GOOD,
kAppIconSize);
AddItemWithIcon(i, kiosk_apps_[i].name,
ui::ImageModel::FromImageSkia(icon));
}
}
void OnMenuWillShow(SimpleMenuModel* source) override {
is_menu_opened_ = true;
on_show_menu_.Run();
}
void MenuClosed(SimpleMenuModel* source) override {
on_close_menu_.Run();
is_menu_opened_ = false;
}
bool IsMenuOpened() const { return is_menu_opened_; }
void ExecuteCommand(int command_id, int event_flags) override {
DCHECK(command_id >= 0 &&
base::checked_cast<size_t>(command_id) < kiosk_apps_.size());
// Once an app is clicked on, don't allow any additional clicks until
// the state is reset (when login screen reappears).
is_launch_enabled_ = false;
launch_app_callback_.Run(kiosk_apps_[command_id]);
}
void ConfigureKioskCallbacks(
base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app,
base::RepeatingClosure on_show_menu,
base::RepeatingClosure on_close_menu) {
launch_app_callback_ = std::move(launch_app);
on_show_menu_ = std::move(on_show_menu);
on_close_menu_ = std::move(on_close_menu);
}
private:
base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app_callback_;
base::RepeatingClosure on_show_menu_;
base::RepeatingClosure on_close_menu_;
std::vector<KioskAppMenuEntry> kiosk_apps_;
bool is_launch_enabled_ = true;
bool is_menu_opened_ = false;
};
KioskAppsButton::KioskAppsButton()
: LoginShelfButton(PressedCallback(),
IDS_ASH_SHELF_APPS_BUTTON,
kShelfAppsButtonIcon) {
menu_model_ = std::make_unique<KioskAppsMenuModel>();
std::unique_ptr<views::MenuButtonController> menu_button_controller =
std::make_unique<views::MenuButtonController>(
this,
base::BindRepeating(
[](KioskAppsButton* button) {
if (button->menu_model_->IsLaunchEnabled()) {
button->DisplayMenu();
}
},
this),
std::make_unique<Button::DefaultButtonControllerDelegate>(this));
menu_button_controller_ = menu_button_controller.get();
SetButtonController(std::move(menu_button_controller));
set_suppress_default_focus_handling();
}
KioskAppsButton::~KioskAppsButton() = default;
bool KioskAppsButton::LaunchAppForTesting(const std::string& chrome_app_id) {
return menu_model_->LaunchApp(chrome_app_id);
}
bool KioskAppsButton::LaunchAppForTesting(const AccountId& account_id) {
return menu_model_->LaunchApp(account_id);
}
void KioskAppsButton::SetApps(
const std::vector<KioskAppMenuEntry>& kiosk_apps) {
menu_model_->SetApps(kiosk_apps);
// If the menu is being shown, update it.
if (menu_runner_ && menu_runner_->IsRunning()) {
DisplayMenu();
}
}
void KioskAppsButton::ConfigureKioskCallbacks(
base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app,
base::RepeatingClosure on_show_menu,
base::RepeatingClosure on_close_menu) {
menu_model_->ConfigureKioskCallbacks(
std::move(launch_app), std::move(on_show_menu), std::move(on_close_menu));
}
bool KioskAppsButton::HasApps() const {
return menu_model_->GetItemCount() > 0;
}
void KioskAppsButton::SetVisible(bool visible) {
LoginShelfButton::SetVisible(visible);
if (visible) {
menu_model_->SetLaunchEnabled(true);
}
}
void KioskAppsButton::DisplayMenu() {
const gfx::Point point = GetMenuPosition();
const gfx::Point origin(point.x() - width(), point.y() - height());
menu_runner_ = std::make_unique<views::MenuRunner>(
menu_model_.get(), views::MenuRunner::HAS_MNEMONICS);
menu_runner_->RunMenuAt(
GetWidget()->GetTopLevelWidget(), menu_button_controller_,
gfx::Rect(origin, gfx::Size()), views::MenuAnchorPosition::kTopLeft,
ui::MENU_SOURCE_NONE);
}
bool KioskAppsButton::IsMenuOpened() const {
return menu_model_->IsMenuOpened();
}
void KioskAppsButton::SetCallback(PressedCallback callback) {
menu_button_controller_->SetCallback(std::move(callback));
}
void KioskAppsButton::NotifyClick(const ui::Event& event) {
// Run pressed callback via MenuButtonController, instead of directly.
menu_button_controller_->Activate(&event);
}
} // namespace ash
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