akira
/
pdfjs-dist
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Address review comments. Use only one PDFJS.workerSrc variable to specify the worker source

Julian Viereck 14 years ago
parent
1e6d1f9922
commit
3b7829d057
9 changed files with 63 additions and 51 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      examples/helloworld/hello.js
  2. 7
      examples/helloworld/index.html
  3. 30
      src/core.js
  4. 2
      src/pdf.js
  5. 9
      src/worker.js
  6. 16
      src/worker_loader.js
  7. 4
      test/test_slave.html
  8. 5
      web/viewer-snippet.html
  9. 3
      web/viewer.html

2
examples/helloworld/hello.js
Unescape View File

@ -7,7 +7,7 @@
'use strict'; 'use strict';
getPdf('helloworld.pdf', function getPdfHelloWorld(data) { PDFJS.getPdf('helloworld.pdf', function getPdfHelloWorld(data) {
// //
// Instantiate PDFDoc with PDF data // Instantiate PDFDoc with PDF data
// //

7
examples/helloworld/index.html
Unescape View File

@ -3,6 +3,7 @@
<head> <head>
<!-- In production, only one script (pdf.js) is necessary --> <!-- In production, only one script (pdf.js) is necessary -->
<!-- In production, change the content of PDFJS.workerSrc below -->
<script type="text/javascript" src="../../src/core.js"></script> <script type="text/javascript" src="../../src/core.js"></script>
<script type="text/javascript" src="../../src/util.js"></script> <script type="text/javascript" src="../../src/util.js"></script>
<script type="text/javascript" src="../../src/canvas.js"></script> <script type="text/javascript" src="../../src/canvas.js"></script>
@ -23,9 +24,9 @@
<script type="text/javascript" src="../../src/worker.js"></script> <script type="text/javascript" src="../../src/worker.js"></script>
<script type="text/javascript"> <script type="text/javascript">
// Specify the directory of the source files, such that the web worker // Specify the main script used to create a new PDF.JS web worker.
// knows where to load them. // In production, change this to point to the combined `pdf.js` file.
var PDFJS_WORKER_DIR = '../../src/'; PDFJS.workerSrc = '../../src/worker_loader.js';
</script> </script>
<script type="text/javascript" src="hello.js"></script> <script type="text/javascript" src="hello.js"></script>
</head> </head>

30
src/core.js
Unescape View File

@ -471,26 +471,18 @@ var PDFDoc = (function() {
this.pageCache = []; this.pageCache = [];
if (useWorker) { if (useWorker) {
var worker; var workerSrc = PDFJS.workerSrc;
if (typeof PDFJS_WORKER_DIR !== 'undefined') { if (typeof workerSrc === 'undefined') {
// If `PDFJS_WORKER_DIR` is specified, we assume the pdf.js files throw 'No PDFJS.workerSrc specified';
// located all in that directory. Create a new worker and tell him
// the directory, such that he can load the scripts from there.
worker = new Worker(PDFJS_WORKER_DIR + 'worker_loader.js');
console.log('main: post dir');
worker.postMessage(PDFJS_WORKER_DIR);
} else if (typeof PDFJS_WORKER_FILE !== 'undefined') {
// If we build the worker using a worker file, then we assume, that
// everything the worker needs is already included in that file.
// Therefore the worker doesn't have to call `importScripts` to load
// all the single files and therefore it's not necessary to tell the
// worker a directory to laod the js files from.
// (Which is different from the PDFJS_WORKER_DIR case above.)
worker = new Worker(PDFJS_WORKER_FILE);
} else {
throw 'No worker file or directory specified.';
} }
var worker = new Worker(workerSrc);
// Tell the worker the file it was created from.
worker.postMessage({
action: 'workerSrc',
data: workerSrc
});
} else { } else {
// If we don't use a worker, just post/sendMessage to the main thread. // If we don't use a worker, just post/sendMessage to the main thread.
var worker = { var worker = {

2
src/pdf.js
Unescape View File

@ -10,5 +10,5 @@ var PDFJS = {};
// Files are inserted below - see Makefile // Files are inserted below - see Makefile
/* PDFJSSCRIPT_INCLUDE_ALL */ /* PDFJSSCRIPT_INCLUDE_ALL */
})(); }).call((typeof window === 'undefined') ? this : window);

9
src/worker.js
Unescape View File

@ -47,6 +47,13 @@ var WorkerProcessorHandler = {
setup: function(handler) { setup: function(handler) {
var pdfDoc = null; var pdfDoc = null;
handler.on('workerSrc', function(data) {
// In development, the `workerSrc` message is handled in the
// `worker_loader.js` file. In production the workerProcessHandler is
// called for this. This servers as a dummy to prevent calling an
// undefined action `workerSrc`.
});
handler.on('doc', function(data) { handler.on('doc', function(data) {
// Create only the model of the PDFDoc, which is enough for // Create only the model of the PDFDoc, which is enough for
// processing the content of the pdf. // processing the content of the pdf.
@ -174,7 +181,7 @@ var workerConsole = {
// Worker thread? // Worker thread?
if (typeof window === 'undefined') { if (typeof window === 'undefined') {
this.console = workerConsole; globalScope.console = workerConsole;
var handler = new MessageHandler('worker_processor', this); var handler = new MessageHandler('worker_processor', this);
WorkerProcessorHandler.setup(handler); WorkerProcessorHandler.setup(handler);

16
src/worker_loader.js
Unescape View File

@ -7,11 +7,19 @@ this.onmessage = function(evt) {
// Reset the `onmessage` function as it was only set to call // Reset the `onmessage` function as it was only set to call
// this function the first time a message is passed to the worker // this function the first time a message is passed to the worker
// but shouldn't get called anytime afterwards. // but shouldn't get called anytime afterwards.
delete this.onmessage; this.onmessage = null;
// Directory the include files are contained is send as the if (evt.data.action !== 'workerSrc') {
// first message to the worker. throw 'Worker expects first message to be `workerSrc`';
var dir = evt.data; }
// Content of `PDFJS.workerSrc` as defined on the main thread.
var workerSrc = evt.data.data;
// Extract the directory that contains the source files to load.
// Assuming the source files have the same relative possition as the
// `workerSrc` file.
var dir = workerSrc.substring(0, workerSrc.lastIndexOf('/') + 1);
// List of files to include; // List of files to include;
var files = [ var files = [

4
test/test_slave.html
Unescape View File

@ -22,6 +22,10 @@
<script type="text/javascript" src="/src/stream.js"></script> <script type="text/javascript" src="/src/stream.js"></script>
<script type="text/javascript" src="/src/worker.js"></script> <script type="text/javascript" src="/src/worker.js"></script>
<script type="text/javascript" src="driver.js"></script> <script type="text/javascript" src="driver.js"></script>
<script type="text/javascript">
PDFJS.workerSrc = '/src/worker_loader.js';
</script>
</head> </head>
<body> <body>

5
web/viewer-snippet.html
Unescape View File

@ -1,7 +1,6 @@
<!-- This snippet is used in production, see Makefile --> <!-- This snippet is used in production, see Makefile -->
<script type="text/javascript" src="../build/pdf.js"></script> <script type="text/javascript" src="../build/pdf.js"></script>
<script type="text/javascript"> <script type="text/javascript">
// This specifies the location of the pdf.js file. This is necessary to // This specifies the location of the pdf.js file.
// spawn the web worker. PDFJS.workerSrc = "../build/pdf.js";
var PDFJS_WORKER_FILE = "../build/pdf.js";
</script> </script>

3
web/viewer.html
Unescape View File

@ -5,7 +5,6 @@
<link rel="stylesheet" href="viewer.css"/> <link rel="stylesheet" href="viewer.css"/>
<!-- PDFJSSCRIPT_INCLUDE_BUILD --> <!-- PDFJSSCRIPT_INCLUDE_BUILD -->
<script type="text/javascript">var PDFJS_WORKER_DIR = "../src/"</script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="../src/core.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/core.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="../src/util.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/util.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="../src/canvas.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/canvas.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
@ -25,6 +24,8 @@
<script type="text/javascript" src="../src/stream.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/stream.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE --> <script type="text/javascript" src="../src/worker.js"></script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript">PDFJS.workerSrc = '../../src/worker_loader.js';</script> <!-- PDFJSSCRIPT_REMOVE -->
<script type="text/javascript" src="compatibility.js"></script> <script type="text/javascript" src="compatibility.js"></script>
<script type="text/javascript" src="viewer.js"></script> <script type="text/javascript" src="viewer.js"></script>
</head> </head>

Write Preview
Loading…
Cancel
Save