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//
// Copyright (C) Microsoft. All rights reserved.
//
define(['lib/knockout', 'legacy/appViewManager', 'legacy/navigationManager'], (ko, appViewManager, navManager) => {
ko.bindingHandlers.addFooterWebView = {
init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
viewModel.attachFooterWebView(element);
}
};
class OOBEFrameViewModel {
constructor() {
this.contentViewName = "oobe-chrome-contentview";
this._webViewCtrl = document.createElement('x-ms-webview');
this._webViewCtrl.className = "content-webview";
// This doesn't affect exposing any of the content in the webView to narrator, and is required
// to enable narrator to navigate backwards from content in the content webview to the breadcrumb bar
this._webViewCtrl.setAttribute("aria-hidden", "true");
CloudExperienceHost.Globalization.Utils.setDocumentElementLangAndDir();
appViewManager.subscribe(this);
appViewManager.subscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.Language);
appViewManager.subscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.InputSwitchButton);
appViewManager.subscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.ResetFooterFocus);
}
dispose() {
appViewManager.unSubscrible();
appViewManager.unsubscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.Language);
appViewManager.unsubscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.InputSwitchButton);
appViewManager.unsubscribeForUpdateType(this, CloudExperienceHost.FrameViewModelUpdateType.ResetFooterFocus);
if (this._webViewCtrl) {
WinJS.Utilities.empty(this._webViewCtrl);
}
let root = document.getElementById("_defaultRoot");
if (root) {
WinJS.Utilities.empty(root);
}
}
setWebView(webViewCtrl) {
this._webViewCtrl = webViewCtrl;
}
createWebView() {
return this._webViewCtrl;
}
attachFooterWebView(parentElement) {
if (!this._footerWebViewCtrl) {
this._footerWebViewCtrl = document.createElement('x-ms-webview');
this._footerWebViewCtrl.style.width = '100%';
this._footerWebViewCtrl.style.height = '100%';
// This doesn't affect exposing any of the content in the webView to narrator, and is required
// to enable narrator to navigate backwards from content in the content webview to the breadcrumb bar
this._footerWebViewCtrl.setAttribute("aria-hidden", "true");
CloudExperienceHost.Discovery.getApiRules().done((rules) => {
let contractHandler = new CloudExperienceHost.ContractHandler(rules);
this._bridge = new CloudExperienceHost.Bridge(this._footerWebViewCtrl, contractHandler);
this._footerWebViewCtrl.navigate('ms-appx-web:///core/view/oobeFooterHost.html');
parentElement.appendChild(this._footerWebViewCtrl);
});
}
}
getView() {
return document.getElementById('_view');
}
getContentViewBoundingRect() {
return document.querySelector(".oobe-contentview").getBoundingClientRect();
}
getFrameViewBoundingRect() {
return document.querySelector(".oobe-contentview").getBoundingClientRect();
}
getChromeFooterOffset() {
if (this._footerWebViewCtrl) {
let chromeFooterRect = this._footerWebViewCtrl.getBoundingClientRect();
return { x: chromeFooterRect.left, y: chromeFooterRect.top };
} else {
return { x: 0, y: 0 };
}
}
update(updateType, completeDispatch, errorDispatch, updateTag) {
let progressControl = document.getElementById("_progress");
let progressText = document.getElementById("_progressText");
let progressElement = document.getElementsByTagName("oobe-progress")[0];
let view = this.getView();
switch (updateType) {
case CloudExperienceHost.FrameViewModelUpdateType.Progress:
const displayStyle = "flex";
AppObjectFactory.getInstance().getObjectFromString("CloudExperienceHostAPI.Speech.SpeechSynthesis").stop();
AppObjectFactory.getInstance().getObjectFromString("CloudExperienceHostAPI.Speech.SpeechRecognition").stop();
document.querySelector(".app-content").classList.remove("dimmed");
progressElement.removeAttribute("aria-hidden");
progressControl.removeAttribute("aria-hidden");
progressText.removeAttribute("aria-hidden");
progressElement.style.display = displayStyle;
navManager.setDisableBackNavigation(true);
WinJS.UI.Animation.crossFade(progressElement, view).done(() => {
// We should serialize the hide/show transitions to avoid an earlier hide
// of the progress element stomping on a later show request, but since we don't,
// make sure we at least end up in the final desired state when the animation ends.
progressElement.style.display = displayStyle;
progressText.focus();
// Adjust the live text value so Narrator reads progress after three seconds
// and also on a loop every 30 seconds if progress continues to be up.
if (!this._progressTextTimerID) {
this._progressTextTimerID = setTimeout(function () {
progressText.textContent = progressText.textContent;
}, 3000);
}
if (!this._progressTextIntervalID) {
this._progressTextIntervalID = setInterval(function () {
progressText.textContent = progressText.textContent;
}, 30000);
}
completeDispatch();
}, errorDispatch);
break;
case CloudExperienceHost.FrameViewModelUpdateType.View:
document.querySelector(".app-content").classList.remove("dimmed");
progressElement.setAttribute("aria-hidden", "true");
progressControl.setAttribute("aria-hidden", "true");
progressText.setAttribute("aria-hidden", "true");
if (this._webViewCtrl) {
// Put the focus on the web view control on any show view
// This will move focus from chrome elements into the page on navigation by voice/back button
this._webViewCtrl.focus();
}
if (this._progressTextTimerID) {
clearTimeout(this._progressTextTimerID);
this._progressTextTimerID = null;
}
if (this._progressTextIntervalID) {
clearInterval(this._progressTextIntervalID);
this._progressTextIntervalID = null;
}
WinJS.UI.Animation.crossFade(view, progressElement).done(() => {
progressElement.style.display = "none"; // hide the progress element completely
completeDispatch();
}, errorDispatch);
break;
case CloudExperienceHost.FrameViewModelUpdateType.Language:
if (this._bridge) {
this._bridge.fireEvent(CloudExperienceHost.Events.languageChange, updateTag);
}
CloudExperienceHost.Globalization.Utils.setDocumentElementLangAndDir();
completeDispatch();
break;
case CloudExperienceHost.FrameViewModelUpdateType.ResetFooterFocus:
if (this._bridge) {
this._bridge.fireEvent(CloudExperienceHost.Events.resetFooterFocus);
}
completeDispatch();
break;
case CloudExperienceHost.FrameViewModelUpdateType.InputSwitchButton:
if (this._bridge) {
this._bridge.fireEvent(CloudExperienceHost.Events.inputSwitchIndicatorChange);
}
completeDispatch();
break;
case CloudExperienceHost.FrameViewModelUpdateType.Dimmed:
document.querySelector(".app-content").classList.add("dimmed");
// While the frame-hosted webview (if any) is dimmed, progress timers should be cleared to prevent
// the progress text from grabbing Narrator focus.
if (this._progressTextTimerID) {
clearTimeout(this._progressTextTimerID);
this._progressTextTimerID = null;
}
if (this._progressTextIntervalID) {
clearInterval(this._progressTextIntervalID);
this._progressTextIntervalID = null;
}
progressText.blur();
if (this._webViewCtrl) {
// Put the focus on the web view control
// This will move focus from chrome elements into somewhere that
// the hosted XAML app can grab on navigation by voice / back button
this._webViewCtrl.focus();
}
completeDispatch();
break;
case CloudExperienceHost.FrameViewModelUpdateType.Undimmed:
document.querySelector(".app-content").classList.remove("dimmed");
completeDispatch();
break;
}
}
}
return OOBEFrameViewModel;
});