blob: 3b442c1d6c3e2b29efc3933413e66cfb6b4da9da [file] [log] [blame]
// Copyright 2014 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 <memory>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/values.h"
#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
#include "components/prefs/pref_registry_simple.h"
#include "content/public/browser/web_ui.h"
namespace chromeos {
class CoreOobeView;
class HIDDetectionScreen;
// Interface between HID detection screen and its representation, either WebUI
// or Views one. Note, do not forget to call OnViewDestroyed in the
// dtor.
class HIDDetectionView {
constexpr static OobeScreen kScreenId = OobeScreen::SCREEN_OOBE_HID_DETECTION;
virtual ~HIDDetectionView() {}
virtual void Show() = 0;
virtual void Hide() = 0;
virtual void Bind(HIDDetectionScreen* screen) = 0;
virtual void Unbind() = 0;
// Checks if we should show the screen or enough devices already present.
// Calls corresponding set of actions based on the bool result.
virtual void CheckIsScreenRequired(
const base::Callback<void(bool)>& on_check_done) = 0;
virtual void SetKeyboardState(const std::string& value) = 0;
virtual void SetMouseState(const std::string& value) = 0;
virtual void SetKeyboardPinCode(const std::string& value) = 0;
virtual void SetNumKeysEnteredExpected(bool value) = 0;
virtual void SetNumKeysEnteredPinCode(int value) = 0;
virtual void SetMouseDeviceName(const std::string& value) = 0;
virtual void SetKeyboardDeviceName(const std::string& value) = 0;
virtual void SetKeyboardDeviceLabel(const std::string& value) = 0;
virtual void SetContinueButtonEnabled(bool value) = 0;
// WebUI implementation of HIDDetectionScreenView.
class HIDDetectionScreenHandler
: public HIDDetectionView,
public BaseScreenHandler {
HIDDetectionScreenHandler(JSCallsContainer* js_calls_container,
CoreOobeView* core_oobe_view);
~HIDDetectionScreenHandler() override;
// HIDDetectionView implementation:
void Show() override;
void Hide() override;
void Bind(HIDDetectionScreen* screen) override;
void Unbind() override;
void CheckIsScreenRequired(
const base::Callback<void(bool)>& on_check_done) override;
void SetKeyboardState(const std::string& value) override;
void SetMouseState(const std::string& value) override;
void SetKeyboardPinCode(const std::string& value) override;
void SetNumKeysEnteredExpected(bool value) override;
void SetNumKeysEnteredPinCode(int value) override;
void SetMouseDeviceName(const std::string& value) override;
void SetKeyboardDeviceName(const std::string& value) override;
void SetKeyboardDeviceLabel(const std::string& value) override;
void SetContinueButtonEnabled(bool value) override;
// BaseScreenHandler implementation:
void DeclareLocalizedValues(
::login::LocalizedValuesBuilder* builder) override;
void DeclareJSCallbacks() override;
void Initialize() override;
// Registers the preference for derelict state.
static void RegisterPrefs(PrefRegistrySimple* registry);
// State that has been exported to JS. Used by tests.
std::string keyboard_state_for_test() const { return keyboard_state_; }
std::string mouse_state_for_test() const { return mouse_state_; }
std::string keyboard_pin_code_for_test() const { return keyboard_pin_code_; }
bool num_keys_entered_expected_for_test() const {
return num_keys_entered_expected_;
int num_keys_entered_pin_code_for_test() const {
return num_keys_entered_pin_code_;
std::string mouse_device_name_for_test() const { return mouse_device_name_; }
std::string keyboard_device_name_for_test() const {
return keyboard_device_name_;
std::string keyboard_device_label_for_test() const {
return keyboard_device_label_;
bool continue_button_enabled_for_test() const {
return continue_button_enabled_;
// JS messages handlers.
void HandleOnContinue();
// Cached values that have been sent to JS. Used by tests.
std::string keyboard_state_;
std::string mouse_state_;
std::string keyboard_pin_code_;
bool num_keys_entered_expected_ = false;
int num_keys_entered_pin_code_ = 0;
std::string mouse_device_name_;
std::string keyboard_device_name_;
std::string keyboard_device_label_;
bool continue_button_enabled_ = false;
HIDDetectionScreen* screen_ = nullptr;
CoreOobeView* core_oobe_view_ = nullptr;
// If true, Initialize() will call Show().
bool show_on_init_ = false;
} // namespace chromeos