Adds RequireJS to worker.

external/builder/builder.js

@@ -303,36 +303,6 @@ function build(setup) {
 }
 exports.build = build;
 
-function getWorkerSrcFiles(filePath) {
-  var src = fs.readFileSync(filePath).toString();
-  var reSrcFiles = /var\s+otherFiles\s*=\s*(\[[^\]]*\])/;
-  var match = reSrcFiles.exec(src);
-  if (!match) {
-    throw new Error('Cannot find otherFiles array in ' + filePath);
-  }
-
-  var files = match[1].replace(/'/g, '"').replace(/^\s*\/\/.*/gm, '')
-    .replace(/,\s*]$/, ']');
-  try {
-    files = JSON.parse(files);
-  } catch (e) {
-    throw new Error('Failed to parse otherFiles in ' + filePath + ' as JSON, ' +
-                    e);
-  }
-
-  var srcFiles = files.filter(function(name) {
-    return name.indexOf('external') === -1;
-  });
-  var externalSrcFiles = files.filter(function(name) {
-    return name.indexOf('external') > -1;
-  });
-  return {
-    srcFiles: srcFiles,
-    externalSrcFiles: externalSrcFiles
-  };
-}
-exports.getWorkerSrcFiles = getWorkerSrcFiles;
-
 /**
  * Merge two defines arrays. Values in the second param will override values in
  * the first.

external/umdutils/verifier.js

@@ -59,7 +59,7 @@ function parseUmd(filePath) {
   var umdStart = '\\(function\\s\\(root,\\sfactory\\)\\s\\{';
   var umdImports = '\\}\\(this,\\sfunction\\s\\(exports\\b';
   var umdBody = '\\)\\s\\{';
-  var umdEnd = '\\}\\)\\);\\s*$';
+  var umdEnd = '\\}\\)\\);\\s*(//#endif\\s*)?$';
   var m, re;
   m = new RegExp(umdStart + '([\\s\\S]*?)' + umdImports + '([\\s\\S]*?)' +
     umdBody + '([\\s\\S]*?)' + umdEnd).exec(jscode);

make.js

@@ -542,8 +542,37 @@ target.bundle = function(args) {
     'display/svg.js'
   ]);
 
-  var srcFiles = builder.getWorkerSrcFiles('src/worker_loader.js');
-  var WORKER_SRC_FILES = srcFiles.srcFiles;
+  var WORKER_SRC_FILES = [
+    'core/network.js',
+    'core/arithmetic_decoder.js',
+    'core/charsets.js',
+    'core/glyphlist.js',
+    'core/jpg.js',
+    'core/metrics.js',
+    'core/bidi.js',
+    'core/chunked_stream.js',
+    'core/jbig2.js',
+    'core/jpx.js',
+    'core/murmurhash3.js',
+    'core/primitives.js',
+    'core/stream.js',
+    'core/crypto.js',
+    'core/font_renderer.js',
+    'core/parser.js',
+    'core/cmap.js',
+    'core/obj.js',
+    'core/ps_parser.js',
+    'core/fonts.js',
+    'core/function.js',
+    'core/colorspace.js',
+    'core/image.js',
+    'core/pattern.js',
+    'core/evaluator.js',
+    'core/annotation.js',
+    'core/document.js',
+    'core/pdf_manager.js',
+    'core/worker.js'
+  ];
 
   if (!defines.SINGLE_FILE) {
     // We want shared_src_files in both pdf.js and pdf.worker.js
@@ -555,7 +584,7 @@ target.bundle = function(args) {
     MAIN_SRC_FILES = MAIN_SRC_FILES.concat(WORKER_SRC_FILES);
   }
 
-  var EXT_SRC_FILES = srcFiles.externalSrcFiles;
+  var EXT_SRC_FILES = [];
 
   cd(SRC_DIR);
 

src/core/network.js

@@ -291,3 +291,17 @@ var NetworkManager = (function NetworkManagerClosure() {
 
   return NetworkManager;
 })();
+
+//#if !(FIREFOX || MOZCENTRAL)
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    define('pdfjs/core/network', ['exports'], factory);
+  } else if (typeof exports !== 'undefined') {
+    factory(exports);
+  } else {
+    factory((root.pdfjsCoreNetwork = {}));
+  }
+}(this, function (exports) {
+  exports.NetworkManager = NetworkManager;
+}));
+//#endif

src/core/worker.js

@@ -84,7 +84,13 @@ var WorkerTask = (function WorkerTaskClosure() {
 
 var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
   setup: function wphSetup(handler, port) {
+    var testMessageProcessed = false;
     handler.on('test', function wphSetupTest(data) {
+      if (testMessageProcessed) {
+        return; // we already processed 'test' message once
+      }
+      testMessageProcessed = true;
+
       // check if Uint8Array can be sent to worker
       if (!(data instanceof Uint8Array)) {
         handler.send('test', 'main', false);
@@ -611,9 +617,12 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
   }
 };
 
-var consoleTimer = {};
+function initializeWorker() {
+//#if !MOZCENTRAL
+  if (!('console' in globalScope)) {
+    var consoleTimer = {};
 
-var workerConsole = {
+    var workerConsole = {
       log: function log() {
         var args = Array.prototype.slice.call(arguments);
         globalScope.postMessage({
@@ -644,18 +653,21 @@ var workerConsole = {
         }
         this.log('Timer:', name, Date.now() - time);
       }
-};
+    };
 
-
-// Worker thread?
-if (typeof window === 'undefined' &&
-    !(typeof module !== 'undefined' && module.require)) {
-  if (!('console' in globalScope)) {
     globalScope.console = workerConsole;
   }
+//#endif
 
   var handler = new MessageHandler('worker', 'main', self);
   WorkerMessageHandler.setup(handler, self);
+  handler.send('ready', null);
+}
+
+// Worker thread (and not node.js)?
+if (typeof window === 'undefined' &&
+    !(typeof module !== 'undefined' && module.require)) {
+  initializeWorker();
 }
 
 exports.WorkerTask = WorkerTask;

src/display/api.js

@@ -414,7 +414,7 @@ PDFJS.getDocument = function getDocument(src,
       var transport = new WorkerTransport(messageHandler, task, rangeTransport);
       task._transport = transport;
     });
-  }, task._capability.reject);
+  }).catch(task._capability.reject);
 
   return task;
 };
@@ -1186,14 +1186,14 @@ var PDFWorker = (function PDFWorkerClosure() {
       // pdf.worker.js file is needed.
 //#if !PRODUCTION
       if (typeof amdRequire === 'function') {
-        amdRequire(['pdfjs/core/worker'], function () {
+        amdRequire(['pdfjs/core/network', 'pdfjs/core/worker'], function () {
           PDFJS.fakeWorkerFilesLoadedCapability.resolve();
         });
       } else if (typeof require === 'function') {
         require('../core/worker.js');
         PDFJS.fakeWorkerFilesLoadedCapability.resolve();
       } else {
-        Util.loadScript(PDFJS.workerSrc);
+        throw new Error('AMD or CommonJS must be used to load fake worker.');
       }
 //#endif
 //#if PRODUCTION && SINGLE_FILE
@@ -1253,7 +1253,6 @@ var PDFWorker = (function PDFWorkerClosure() {
           // https://bugzilla.mozilla.org/show_bug.cgi?id=683280
           var worker = new Worker(workerSrc);
           var messageHandler = new MessageHandler('main', 'worker', worker);
-
           messageHandler.on('test', function PDFWorker_test(data) {
             if (this.destroyed) {
               this._readyCapability.reject(new Error('Worker was destroyed'));
@@ -1284,7 +1283,24 @@ var PDFWorker = (function PDFWorkerClosure() {
             console.error.apply(console, data);
           });
 
-          var testObj = new Uint8Array([PDFJS.postMessageTransfers ? 255 : 0]);
+          messageHandler.on('ready', function (data) {
+            if (this.destroyed) {
+              this._readyCapability.reject(new Error('Worker was destroyed'));
+              messageHandler.destroy();
+              worker.terminate();
+              return; // worker was destroyed
+            }
+            try {
+              sendTest();
+            } catch (e)  {
+              // We need fallback to a faked worker.
+              this._setupFakeWorker();
+            }
+          }.bind(this));
+
+          var sendTest = function () {
+            var testObj = new Uint8Array(
+              [PDFJS.postMessageTransfers ? 255 : 0]);
             // Some versions of Opera throw a DATA_CLONE_ERR on serializing the
             // typed array. Also, checking if we can use transfers.
             try {
@@ -1294,6 +1310,13 @@ var PDFWorker = (function PDFWorkerClosure() {
               testObj[0] = 0;
               messageHandler.send('test', testObj);
             }
+          };
+
+          // It might take time for worker to initialize (especially when AMD
+          // loader is used). We will try to send test immediately, and then
+          // when 'ready' message will arrive. The worker shall process only
+          // first received 'test'.
+          sendTest();
           return;
         } catch (e) {
           info('The worker has been disabled.');

src/display/svg.js

@@ -16,6 +16,7 @@
 
 'use strict';
 
+//#if (GENERIC || SINGLE_FILE)
 (function (root, factory) {
   if (typeof define === 'function' && define.amd) {
     define('pdfjs/display/svg', ['exports', 'pdfjs/shared/util'], factory);
@@ -25,7 +26,6 @@
     factory((root.pdfjsDisplaySVG = {}), root.pdfjsSharedUtil);
   }
 }(this, function (exports, sharedUtil) {
-//#if (GENERIC || SINGLE_FILE)
 
 var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
 var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
@@ -1209,5 +1209,5 @@ var SVGGraphics = (function SVGGraphicsClosure() {
 PDFJS.SVGGraphics = SVGGraphics;
 
 exports.SVGGraphics = SVGGraphics;
-//#endif
 }));
+//#endif

src/worker_loader.js

@@ -12,70 +12,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- /* globals PDFJS, Util */
 
 'use strict';
 
-// List of shared files to include;
-var sharedFiles = [
-  'shared/global.js',
-  'shared/util.js'
-];
+importScripts('../node_modules/requirejs/require.js');
 
-// List of other files to include;
-var otherFiles = [
-  'core/network.js',
-  'core/arithmetic_decoder.js',
-  'core/charsets.js',
-  'core/glyphlist.js',
-  'core/jpg.js',
-  'core/metrics.js',
-  'core/bidi.js',
-  'core/chunked_stream.js',
-  'core/jbig2.js',
-  'core/jpx.js',
-  'core/murmurhash3.js',
-  'core/primitives.js',
-  'core/stream.js',
-  'core/crypto.js',
-  'core/font_renderer.js',
-  'core/parser.js',
-  'core/cmap.js',
-  'core/obj.js',
-  'core/ps_parser.js',
-  'core/fonts.js',
-  'core/function.js',
-  'core/colorspace.js',
-  'core/image.js',
-  'core/pattern.js',
-  'core/evaluator.js',
-  'core/annotation.js',
-  'core/document.js',
-  'core/pdf_manager.js',
-  'core/worker.js'
-];
-
-function loadInOrder(index, path, files) {
-  if (index >= files.length) {
-    PDFJS.fakeWorkerFilesLoadedCapability.resolve();
-    return;
-  }
-  PDFJS.Util.loadScript(path + files[index],
-                  loadInOrder.bind(null, ++index, path, files));
-}
-
-// Load all the files.
-if (typeof PDFJS === 'undefined' || !PDFJS.fakeWorkerFilesLoadedCapability) {
-  var files = sharedFiles.concat(otherFiles);
-  for (var i = 0; i < files.length; i++) {
-    importScripts(files[i]);
-  }
-} else {
-  var src = PDFJS.workerSrc;
-  var path = src.substr(0, src.indexOf('worker_loader.js'));
-  // If Util is available, we assume that shared files are already loaded. Can
-  // happen that they are not if PDF.js is bundled inside a special namespace.
-  var skipShared = typeof Util !== 'undefined';
-  var files = skipShared ? otherFiles : sharedFiles.concat(otherFiles);
-  loadInOrder(0, path, files);
-}
+require.config({paths: {'pdfjs': '.'}});
+require(['pdfjs/core/network', 'pdfjs/core/worker'],
+    function (network, worker) {
+  // Worker is loaded at this point.
+});