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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <title>PDF Worker</title> | ||
| </head> | ||
| <body> | ||
| <script> | ||
| function log(message) { | ||
| webkit.messageHandlers.logHandler.postMessage(message); | ||
| } | ||
|
|
||
| let promiseId = 0; | ||
| let waitingPromises = {}; | ||
| let worker = new Worker('Bundled/pdf_worker/worker.js'); | ||
|
|
||
| async function query(action, data, transfer) { | ||
| return new Promise(function (resolve) { | ||
| promiseId++; | ||
| waitingPromises[promiseId] = resolve; | ||
| worker.postMessage({ id: promiseId, action, data }, transfer); | ||
| }); | ||
| } | ||
|
|
||
| worker.onmessage = async function (e) { | ||
| let message = e.data; | ||
| window.webkit.messageHandlers.logHandler.postMessage('Message received', message); | ||
| if (message.responseID) { | ||
| let resolve = waitingPromises[message.responseID]; | ||
| if (resolve) { | ||
| resolve(message.data); | ||
| } | ||
| return; | ||
| } | ||
| if (message.id) { | ||
| window.webkit.messageHandlers.logHandler.postMessage('\thas id: ' + message.id); | ||
| let respData = null; | ||
| if (message.op === 'FetchBuiltInCMap') { | ||
| respData = { | ||
| compressionType: 1, | ||
| cMapData: new Uint8Array(await (await fetch('../Bundled/pdf_worker/cmaps/' + message.data + '.bcmap')).arrayBuffer()) | ||
| }; | ||
| } | ||
| worker.postMessage({ responseID: e.data.id, data: respData }); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| async function fetchLocalFile(filePath) { | ||
| log(`fetching ${filePath}`); | ||
| let response = await fetch(filePath); | ||
| log(`response: ${JSON.stringify(response)}`); | ||
| let arrayBuffer = await response.arrayBuffer(); | ||
| return arrayBuffer.slice(); | ||
| } | ||
|
|
||
| async function recognize(filePath) { | ||
| try { | ||
| let buf = await fetchLocalFile(filePath) | ||
| let recognizerData = await query('getRecognizerData', { buf }, [buf]); | ||
| webkit.messageHandlers.recognizerDataHandler.postMessage({"recognizerData": recognizerData}); | ||
| } catch (error) { | ||
| log(`error: ${error}`); | ||
| throw error; | ||
| } | ||
| } | ||
|
|
||
| async function getFullText(filePath) { | ||
| try { | ||
| let buf = await fetchLocalFile(filePath) | ||
| let fulltext = await query('getFulltext', { buf }, [buf]); | ||
| webkit.messageHandlers.fullTextHandler.postMessage({"fullText": fulltext}); | ||
| } catch (error) { | ||
| log(`error: ${error}`); | ||
| throw error; | ||
| } | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |