[keyboard-alt]: Add buttons to notifications

Screenshot: http://screen/BLtA6Hoz2ZwugfF

Bug: b/279503977
Change-Id: I3654532306c8a53e276b508b90ee7ddc6b2c8763
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4761193
Commit-Queue: Michael Checo <michaelcheco@google.com>
Reviewed-by: David Padlipsky <dpad@google.com>
Cr-Commit-Position: refs/heads/main@{#1181641}

ash/ash_strings.grd

@@ -7051,6 +7051,12 @@ To shut down the device, press and hold the power button on the device again.
       <message name="IDS_ASH_DEVICE_SETTINGS_NOTIFICATIONS_RIGHT_CLICK_DISABLED_TITLE" desc="Title for the notification shown when the right-click shortcut is disabled.">
         Keyboard shortcut is off
       </message>
+      <message name="IDS_ASH_DEVICE_SETTINGS_EDIT_SHORTCUT_BUTTON" desc="Button shown for device settings notifications which links to the settings app.">
+        Edit shortcut
+      </message>
+      <message name="IDS_ASH_DEVICE_SETTINGS_LEARN_MORE_BUTTON" desc="Button shown for device settings notifications which opens an article with helpful information related to the notification.">
+        Learn more
+      </message>
      </messages>
     </release>
 </grit>

ash/ash_strings_grd/IDS_ASH_DEVICE_SETTINGS_EDIT_SHORTCUT_BUTTON.png.sha1

@@ -0,0 +1 @@
+7343ac9bc3dac6a95432f781a78c1dcca9165035

ash/ash_strings_grd/IDS_ASH_DEVICE_SETTINGS_LEARN_MORE_BUTTON.png.sha1

@@ -0,0 +1 @@
+7343ac9bc3dac6a95432f781a78c1dcca9165035

ash/system/input_device_settings/input_device_settings_notification_controller.cc

@@ -170,7 +170,7 @@ bool IsActiveUserSession() {
 
 // If the user has reached the settings page through the notification, do
 // not show any more new notifications.
-void StopShowingNotification(const char* pref_name) {
+void PreventNotificationFromShowingAgain(const char* pref_name) {
   Shell::Get()->session_controller()->GetActivePrefService()->SetInteger(
       pref_name, 0);
 }
@@ -274,6 +274,19 @@ std::string GetSixPackNotificationId(ui::KeyboardCode key_code, int device_id) {
   return notification_id + kDelimiter + base::NumberToString(device_id);
 }
 
+void RemoveNotification(const std::string& notification_id) {
+  message_center::MessageCenter::Get()->RemoveNotification(notification_id,
+                                                           /*by_user=*/true);
+}
+
+void ShowRemapKeysSubpage(int device_id) {
+  Shell::Get()->system_tray_model()->client()->ShowRemapKeysSubpage(device_id);
+}
+
+void ShowTouchpadSettings() {
+  Shell::Get()->system_tray_model()->client()->ShowTouchpadSettings();
+}
+
 }  // namespace
 
 InputDeviceSettingsNotificationController::
@@ -333,21 +346,10 @@ void InputDeviceSettingsNotificationController::
 
   prefs->SetInteger(prefs::kRemapToRightClickNotificationsRemaining,
                     num_notifications_remaining - 1);
-  auto on_click_handler =
-      base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
-          base::BindRepeating([]() {
-            if (!Shell::Get()->session_controller()->IsUserSessionBlocked()) {
-              Shell::Get()
-                  ->system_tray_model()
-                  ->client()
-                  ->ShowTouchpadSettings();
-              StopShowingNotification(
-                  prefs::kRemapToRightClickNotificationsRemaining);
-            }
-          }));
+  const auto notification_id =
+      GetRightClickNotificationId(blocked_modifier, active_modifier);
   auto notification = CreateSystemNotificationPtr(
-      message_center::NOTIFICATION_TYPE_SIMPLE,
-      GetRightClickNotificationId(blocked_modifier, active_modifier),
+      message_center::NOTIFICATION_TYPE_SIMPLE, notification_id,
       GetRightClickRewriteNotificationTitle(active_modifier),
       GetRightClickRewriteNotificationMessage(blocked_modifier,
                                               active_modifier),
@@ -355,12 +357,66 @@ void InputDeviceSettingsNotificationController::
       message_center::NotifierId(
           message_center::NotifierType::SYSTEM_COMPONENT, kNotifierId,
           NotificationCatalogName::kEventRewriterDeprecation),
-      message_center::RichNotificationData(), std::move(on_click_handler),
+      message_center::RichNotificationData(),
+      base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
+          base::BindRepeating(&InputDeviceSettingsNotificationController::
+                                  HandleRightClickNotificationClicked,
+                              weak_ptr_factory_.GetWeakPtr(), notification_id)),
       kNotificationKeyboardIcon,
       message_center::SystemNotificationWarningLevel::NORMAL);
   message_center_->AddNotification(std::move(notification));
 }
 
+void InputDeviceSettingsNotificationController::
+    HandleSixPackNotificationClicked(int device_id,
+                                     const char* pref_name,
+                                     const std::string& notification_id,
+                                     absl::optional<int> button_index) {
+  // Clicked on body.
+  if (!button_index) {
+    ShowRemapKeysSubpage(device_id);
+    RemoveNotification(notification_id);
+    PreventNotificationFromShowingAgain(pref_name);
+    return;
+  }
+
+  switch (*button_index) {
+    case NotificationButtonIndex::BUTTON_EDIT_SHORTCUT:
+      ShowRemapKeysSubpage(device_id);
+      break;
+    case NotificationButtonIndex::BUTTON_LEARN_MORE:
+      // TODO(b/279503977): Add link to learn more page.
+      break;
+  }
+  PreventNotificationFromShowingAgain(pref_name);
+  RemoveNotification(notification_id);
+}
+
+void InputDeviceSettingsNotificationController::
+    HandleRightClickNotificationClicked(const std::string& notification_id,
+                                        absl::optional<int> button_index) {
+  // Clicked on body.
+  if (!button_index) {
+    ShowTouchpadSettings();
+    PreventNotificationFromShowingAgain(
+        prefs::kRemapToRightClickNotificationsRemaining);
+    RemoveNotification(notification_id);
+    return;
+  }
+
+  switch (*button_index) {
+    case NotificationButtonIndex::BUTTON_EDIT_SHORTCUT:
+      ShowTouchpadSettings();
+      break;
+    case NotificationButtonIndex::BUTTON_LEARN_MORE:
+      // TODO(b/279503977): Add link to learn more page.
+      break;
+  }
+  PreventNotificationFromShowingAgain(
+      prefs::kRemapToRightClickNotificationsRemaining);
+  RemoveNotification(notification_id);
+}
+
 // TODO(b/279503977): Use `blocked_modifier` and `active_modifier` to display
 // the notification message once strings are finalized.
 void InputDeviceSettingsNotificationController::
@@ -387,20 +443,14 @@ void InputDeviceSettingsNotificationController::
   }
   prefs->SetInteger(pref, num_notifications_remaining - 1);
 
-  auto on_click_handler =
-      base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
-          base::BindRepeating(
-              [](int device_id, const char* pref_name) {
-                Shell::Get()
-                    ->system_tray_model()
-                    ->client()
-                    ->ShowRemapKeysSubpage(device_id);
-                StopShowingNotification(pref_name);
-              },
-              device_id, pref));
+  const auto notification_id = GetSixPackNotificationId(key_code, device_id);
+  message_center::RichNotificationData rich_notification_data;
+  rich_notification_data.buttons.emplace_back(
+      l10n_util::GetStringUTF16(IDS_ASH_DEVICE_SETTINGS_EDIT_SHORTCUT_BUTTON));
+  rich_notification_data.buttons.emplace_back(
+      l10n_util::GetStringUTF16(IDS_ASH_DEVICE_SETTINGS_LEARN_MORE_BUTTON));
   auto notification = CreateSystemNotificationPtr(
-      message_center::NOTIFICATION_TYPE_SIMPLE,
-      GetSixPackNotificationId(key_code, device_id),
+      message_center::NOTIFICATION_TYPE_SIMPLE, notification_id,
       l10n_util::GetStringUTF16(IDS_ASH_SETTINGS_SHORTCUT_NOTIFICATION_TITLE),
       GetSixPackNotificationMessage(key_code, blocked_modifier,
                                     active_modifier),
@@ -408,7 +458,12 @@ void InputDeviceSettingsNotificationController::
       message_center::NotifierId(
           message_center::NotifierType::SYSTEM_COMPONENT, kNotifierId,
           NotificationCatalogName::kEventRewriterDeprecation),
-      message_center::RichNotificationData(), std::move(on_click_handler),
+      rich_notification_data,
+      base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
+          base::BindRepeating(&InputDeviceSettingsNotificationController::
+                                  HandleSixPackNotificationClicked,
+                              weak_ptr_factory_.GetWeakPtr(), device_id, pref,
+                              notification_id)),
       kNotificationKeyboardIcon,
       message_center::SystemNotificationWarningLevel::NORMAL);
   message_center_->AddNotification(std::move(notification));

ash/system/input_device_settings/input_device_settings_notification_controller.h

@@ -7,6 +7,7 @@
 
 #include "ash/ash_export.h"
 #include "base/memory/raw_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "ui/events/ash/mojom/simulate_right_click_modifier.mojom-shared.h"
 #include "ui/events/ash/mojom/six_pack_shortcut_modifier.mojom-shared.h"
 #include "ui/events/keycodes/keyboard_codes_posix.h"
@@ -19,6 +20,12 @@ class MessageCenter;
 
 namespace ash {
 
+// The notification button index.
+enum NotificationButtonIndex {
+  BUTTON_EDIT_SHORTCUT = 0,
+  BUTTON_LEARN_MORE,
+};
+
 // Manages showing notifications for Six Pack/right-click event rewrites.
 // Notifications are shown when the user's setting is inconsistent with
 // the matched modifier key or the setting is disabled.
@@ -54,8 +61,18 @@ class ASH_EXPORT InputDeviceSettingsNotificationController {
       int device_id);
 
  private:
+  void HandleRightClickNotificationClicked(const std::string& notification_id,
+                                           absl::optional<int> button_index);
+
+  void HandleSixPackNotificationClicked(int device_id,
+                                        const char* pref_name,
+                                        const std::string& notification_id,
+                                        absl::optional<int> button_index);
   // MessageCenter for adding notifications.
   const raw_ptr<message_center::MessageCenter, ExperimentalAsh> message_center_;
+
+  base::WeakPtrFactory<InputDeviceSettingsNotificationController>
+      weak_ptr_factory_{this};
 };
 
 }  // namespace ash

ash/system/input_device_settings/input_device_settings_notification_controller_unittest.cc

@@ -5,6 +5,7 @@
 #include "ash/system/input_device_settings/input_device_settings_notification_controller.h"
 
 #include "ash/constants/ash_pref_names.h"
+#include "ash/public/cpp/test/test_system_tray_client.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -37,6 +38,14 @@ class TestMessageCenter : public message_center::FakeMessageCenter {
     CHECK(notification);
     notification->delegate()->Click(absl::nullopt, absl::nullopt);
   }
+
+  void ClickOnNotificationButton(const std::string& id,
+                                 int button_index) override {
+    message_center::Notification* notification =
+        FindVisibleNotificationById(id);
+    CHECK(notification);
+    notification->delegate()->Click(button_index, absl::nullopt);
+  }
 };
 
 }  // namespace
@@ -212,6 +221,31 @@ TEST_F(InputDeviceSettingsNotificationControllerTest,
                    prefs::kRemapToRightClickNotificationsRemaining));
 }
 
+// TODO(b/279503977): Add test that verifies behavior of clicking on the
+// "Learn more" button.
+TEST_F(InputDeviceSettingsNotificationControllerTest,
+       ShowTouchpadSettingsOnRightClickNotificationClick) {
+  controller()->NotifyRightClickRewriteBlockedBySetting(
+      ui::mojom::SimulateRightClickModifier::kAlt,
+      ui::mojom::SimulateRightClickModifier::kSearch);
+  message_center()->ClickOnNotificationButton(
+      "alt_right_click_rewrite_blocked_by_setting",
+      NotificationButtonIndex::BUTTON_EDIT_SHORTCUT);
+  EXPECT_EQ(GetSystemTrayClient()->show_touchpad_settings_count(), 1);
+}
+
+TEST_F(InputDeviceSettingsNotificationControllerTest,
+       ShowRemapKeysSettingsOnSixPackNotificationClick) {
+  controller()->NotifySixPackRewriteBlockedBySetting(
+      ui::VKEY_DELETE, ui::mojom::SixPackShortcutModifier::kAlt,
+      ui::mojom::SixPackShortcutModifier::kSearch,
+      /*device_id=*/1);
+  message_center()->ClickOnNotificationButton(
+      "delete_six_pack_rewrite_blocked_by_setting_1",
+      NotificationButtonIndex::BUTTON_EDIT_SHORTCUT);
+  EXPECT_EQ(GetSystemTrayClient()->show_remap_keys_subpage_count(), 1);
+}
+
 TEST_F(InputDeviceSettingsNotificationControllerTest,
        NotifySixPackRewriteBlockedBySetting) {
   size_t expected_notification_count = 1;