1// Copyright (C) 2020 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import {assertExists} from '../base/logging'; 16import {TraceArrayBufferSource} from '../common/state'; 17import {createPermalink} from './permalink'; 18import {showModal} from '../widgets/modal'; 19 20import {onClickCopy} from './clipboard'; 21import {globals} from './globals'; 22import {isTraceLoaded} from './sidebar'; 23 24export function isShareable() { 25 return globals.isInternalUser && isDownloadable(); 26} 27 28export function isDownloadable() { 29 const engine = globals.getCurrentEngine(); 30 if (!engine) { 31 return false; 32 } 33 if (engine.source.type === 'ARRAY_BUFFER' && engine.source.localOnly) { 34 return false; 35 } 36 if (engine.source.type === 'HTTP_RPC') { 37 return false; 38 } 39 return true; 40} 41 42export function shareTrace() { 43 const engine = assertExists(globals.getCurrentEngine()); 44 const traceUrl = (engine.source as TraceArrayBufferSource).url || ''; 45 46 // If the trace is not shareable (has been pushed via postMessage()) but has 47 // a url, create a pseudo-permalink by echoing back the URL. 48 if (!isShareable()) { 49 const msg = [ 50 m( 51 'p', 52 'This trace was opened by an external site and as such cannot ' + 53 'be re-shared preserving the UI state.', 54 ), 55 ]; 56 if (traceUrl) { 57 msg.push(m('p', 'By using the URL below you can open this trace again.')); 58 msg.push(m('p', 'Clicking will copy the URL into the clipboard.')); 59 msg.push(createTraceLink(traceUrl, traceUrl)); 60 } 61 62 showModal({ 63 title: 'Cannot create permalink from external trace', 64 content: m('div', msg), 65 }); 66 return; 67 } 68 69 if (!isShareable() || !isTraceLoaded()) return; 70 71 const result = confirm( 72 `Upload UI state and generate a permalink. ` + 73 `The trace will be accessible by anybody with the permalink.`, 74 ); 75 if (result) { 76 globals.logging.logEvent('Trace Actions', 'Create permalink'); 77 createPermalink(); 78 } 79} 80 81export function createTraceLink(title: string, url: string) { 82 if (url === '') { 83 return m('a.trace-file-name', title); 84 } 85 const linkProps = { 86 href: url, 87 title: 'Click to copy the URL', 88 target: '_blank', 89 onclick: onClickCopy(url), 90 }; 91 return m('a.trace-file-name', linkProps, title); 92} 93