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eae5d8c807
These conflicts will be resolved in the following commits. We do it this way so that PR review is possible.
59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as browser from 'vs/base/browser/browser';
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import * as platform from 'vs/base/common/platform';
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export const enum KeyboardSupport {
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Always,
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FullScreen,
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None
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}
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/**
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* Browser feature we can support in current platform, browser and environment.
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*/
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export const BrowserFeatures = {
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clipboard: {
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writeText: (
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platform.isNative
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|| (document.queryCommandSupported && document.queryCommandSupported('copy'))
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|| !!(navigator && navigator.clipboard && navigator.clipboard.writeText)
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),
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readText: (
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platform.isNative
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|| !!(navigator && navigator.clipboard && navigator.clipboard.readText)
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),
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richText: (() => {
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if (browser.isEdgeLegacy) {
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let index = navigator.userAgent.indexOf('Edge/');
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let version = parseInt(navigator.userAgent.substring(index + 5, navigator.userAgent.indexOf('.', index)), 10);
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if (!version || (version >= 12 && version <= 16)) {
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return false;
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}
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}
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return true;
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})()
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},
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keyboard: (() => {
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if (platform.isNative || browser.isStandalone) {
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return KeyboardSupport.Always;
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}
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if ((<any>navigator).keyboard || browser.isSafari) {
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return KeyboardSupport.FullScreen;
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}
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return KeyboardSupport.None;
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})(),
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// 'ontouchstart' in window always evaluates to true with typescript's modern typings. This causes `window` to be
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// `never` later in `window.navigator`. That's why we need the explicit `window as Window` cast
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touch: 'ontouchstart' in window || navigator.maxTouchPoints > 0 || (window as Window).navigator.msMaxTouchPoints > 0,
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pointerEvents: window.PointerEvent && ('ontouchstart' in window || (window as Window).navigator.maxTouchPoints > 0 || navigator.maxTouchPoints > 0 || (window as Window).navigator.msMaxTouchPoints > 0)
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};
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