blob: 5f4bb78c9014019401854e5a6eb40561328b11b7 [file] [log] [blame]
// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:fidl_fuchsia_cobalt/fidl_async.dart';
import 'package:topaz.lib.keyboard.dart/keyboard_display.dart';
import '';
export 'package:topaz.lib.keyboard.dart/keyboard_display.dart'
show KeyboardDisplay;
/// Handles connecting to ImeVisibilityService and showing/hiding the keyboard.
class KeyboardModel extends Model {
final KeyboardDisplay _keyboardDisplay;
/// Overlay model used to show and hide the keyboard.
OverlayPositionModel _overlayPositionModel;
/// The elevation at which the keyboard overlay is displayed.
final double keyboardElevation;
this._keyboardDisplay, {
OverlayPositionModel overlayPositionModel,
this.keyboardElevation = 0.0,
}) : assert(_keyboardDisplay != null),
_overlayPositionModel = overlayPositionModel {
_keyboardDisplay.addListener((visible) => notifyListeners());
/// Returns whether the keyboard is visible or hidden.
bool get keyboardVisible => _keyboardDisplay.keyboardVisible;
/// Returns whether the keyboard is visible or hidden.
OverlayPositionModel get overlayPositionModel =>
_overlayPositionModel ??= OverlayPositionModel(
logger: LoggerProxy(),
traceName: 'Keyboard',
noInteractionTimeout: null,
/// Shows or hides the keyboard.
set keyboardVisible(bool visible) =>
_keyboardDisplay.keyboardVisible = visible;
void notifyListeners() {
keyboardVisible ? : overlayPositionModel.hide();