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Replaces all preprocessor directives with PDFJSDev calls.

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This commit is contained in:
Yury Delendik 2016-10-14 10:57:53 -05:00
parent bf52ff156d
commit 0576c9c6c6
32 changed files with 1145 additions and 904 deletions
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111
src/display/api.js
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@ -12,7 +12,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals pdfjsFilePath, pdfjsVersion, pdfjsBuild, WeakMap */
/* globals pdfjsFilePath, pdfjsVersion, pdfjsBuild, requirejs, pdfjsLibs,
WeakMap */
'use strict';
@ -70,13 +71,39 @@ var isWorkerDisabled = false;
var workerSrc;
var isPostMessageTransfersDisabled = false;
//#if PRODUCTION && !SINGLE_FILE
//#if GENERIC
//#include $ROOT/src/frameworks.js
//#else
//var fakeWorkerFilesLoader = null;
//#endif
//#endif
var fakeWorkerFilesLoader = null;
var useRequireEnsure = false;
if (typeof PDFJSDev !== 'undefined' &&
PDFJSDev.test('GENERIC && !SINGLE_FILE')) {
// For GENERIC build we need add support of different fake file loaders
// for different frameworks.
if (typeof window === 'undefined') {
// node.js - disable worker and set require.ensure.
isWorkerDisabled = true;
if (typeof require.ensure === 'undefined') {
require.ensure = require('node-ensure');
}
useRequireEnsure = true;
}
if (typeof __webpack_require__ !== 'undefined') {
useRequireEnsure = true;
}
if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
}
var dynamicLoaderSupported =
typeof requirejs !== 'undefined' && requirejs.load;
fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) {
require.ensure([], function () {
var worker = require('./pdf.worker.js');
callback(worker.WorkerMessageHandler);
});
}) : dynamicLoaderSupported ? (function (callback) {
requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
callback(worker.WorkerMessageHandler);
});
}) : null;
}
/**
* Document initialization / loading parameters object.
@ -1033,11 +1060,11 @@ var PDFWorker = (function PDFWorkerClosure() {
if (getDefaultSetting('workerSrc')) {
return getDefaultSetting('workerSrc');
}
//#if PRODUCTION && !(MOZCENTRAL || FIREFOX)
// if (pdfjsFilePath) {
// return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
// }
//#endif
if (typeof PDFJSDev !== 'undefined' &&
PDFJSDev.test('PRODUCTION && !(MOZCENTRAL || FIREFOX)') &&
pdfjsFilePath) {
return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
}
error('No PDFJS.workerSrc specified');
}
@ -1046,12 +1073,14 @@ var PDFWorker = (function PDFWorkerClosure() {
// Loads worker code into main thread.
function setupFakeWorkerGlobal() {
var WorkerMessageHandler;
if (!fakeWorkerFilesLoadedCapability) {
fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
//#if !PRODUCTION
if (fakeWorkerFilesLoadedCapability) {
return fakeWorkerFilesLoadedCapability.promise;
}
fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('PRODUCTION')) {
if (typeof amdRequire === 'function') {
amdRequire(['pdfjs/core/network', 'pdfjs/core/worker'],
function (network, worker) {
@ -1065,19 +1094,16 @@ var PDFWorker = (function PDFWorkerClosure() {
} else {
throw new Error('AMD or CommonJS must be used to load fake worker.');
}
//#endif
//#if PRODUCTION && SINGLE_FILE
// WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler;
// fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);
//#endif
//#if PRODUCTION && !SINGLE_FILE
// var loader = fakeWorkerFilesLoader || function (callback) {
// Util.loadScript(getWorkerSrc(), function () {
// callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
// });
// };
// loader(fakeWorkerFilesLoadedCapability.resolve);
//#endif
} else if (PDFJSDev.test('SINGLE_FILE')) {
WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler;
fakeWorkerFilesLoadedCapability.resolve(WorkerMessageHandler);
} else {
var loader = fakeWorkerFilesLoader || function (callback) {
Util.loadScript(getWorkerSrc(), function () {
callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
});
};
loader(fakeWorkerFilesLoadedCapability.resolve);
}
return fakeWorkerFilesLoadedCapability.promise;
}
@ -1198,20 +1224,20 @@ var PDFWorker = (function PDFWorkerClosure() {
// all requirements to run parts of pdf.js in a web worker.
// Right now, the requirement is, that an Uint8Array is still an
// Uint8Array as it arrives on the worker. (Chrome added this with v.15.)
//#if !SINGLE_FILE
if (!isWorkerDisabled && !getDefaultSetting('disableWorker') &&
if ((typeof PDFJSDev === 'undefined' || !PDFJSDev.test('SINGLE_FILE')) &&
!isWorkerDisabled && !getDefaultSetting('disableWorker') &&
typeof Worker !== 'undefined') {
var workerSrc = getWorkerSrc();
try {
//#if GENERIC
// // Wraps workerSrc path into blob URL, if the former does not belong
// // to the same origin.
// if (!isSameOrigin(window.location.href, workerSrc)) {
// workerSrc = createCDNWrapper(
// new URL(workerSrc, window.location).href);
// }
//#endif
// Wraps workerSrc path into blob URL, if the former does not belong
// to the same origin.
if (typeof PDFJSDev !== 'undefined' && PDFJSDev.test('GENERIC') &&
!isSameOrigin(window.location.href, workerSrc)) {
workerSrc = createCDNWrapper(
new URL(workerSrc, window.location).href);
}
// Some versions of FF can't create a worker on localhost, see:
// https://bugzilla.mozilla.org/show_bug.cgi?id=683280
var worker = new Worker(workerSrc);
@ -1311,7 +1337,6 @@ var PDFWorker = (function PDFWorkerClosure() {
info('The worker has been disabled.');
}
}
//#endif
// Either workers are disabled, not supported or have thrown an exception.
// Thus, we fallback to a faked worker.
this._setupFakeWorker();