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Replaces UnsupportedManager with callback.

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This commit is contained in:
Yury Delendik 2015-11-30 14:42:47 -06:00
parent 84a47f8e53
commit c9cb6a3025
7 changed files with 66 additions and 47 deletions
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44
src/display/api.js
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@ -17,7 +17,7 @@
Promise, PasswordResponses, PasswordException, InvalidPDFException,
MissingPDFException, UnknownErrorException, FontFaceObject,
loadJpegStream, createScratchCanvas, CanvasGraphics, stringToBytes,
UnexpectedResponseException, deprecated, UnsupportedManager */
UnexpectedResponseException, deprecated */
'use strict';
@ -447,6 +447,12 @@ var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
* an {Object} with the properties: {number} loaded and {number} total.
*/
this.onProgress = null;
/**
* Callback to when unsupported feature is used. The callback receives
* an {PDFJS.UNSUPPORTED_FEATURES} argument.
*/
this.onUnsupportedFeature = null;
}
PDFDocumentLoadingTask.prototype =
@ -1214,9 +1220,6 @@ var PDFWorker = (function PDFWorkerClosure() {
messageHandler.on('console_error', function (data) {
console.error.apply(console, data);
});
messageHandler.on('_unsupported_feature', function (data) {
UnsupportedManager.notify(data);
});
var testObj = new Uint8Array([PDFJS.postMessageTransfers ? 255 : 0]);
// Some versions of Opera throw a DATA_CLONE_ERR on serializing the
@ -1584,6 +1587,19 @@ var WorkerTransport = (function WorkerTransportClosure() {
}
}, this);
messageHandler.on('UnsupportedFeature',
function transportUnsupportedFeature(data) {
if (this.destroyed) {
return; // Ignore any pending requests if the worker was terminated.
}
var featureId = data.featureId;
var loadingTask = this.loadingTask;
if (loadingTask.onUnsupportedFeature) {
loadingTask.onUnsupportedFeature(featureId);
}
PDFJS.UnsupportedManager.notify(featureId);
}, this);
messageHandler.on('JpegDecode', function(data) {
if (this.destroyed) {
return Promise.reject('Worker was terminated');
@ -2000,3 +2016,23 @@ var InternalRenderTask = (function InternalRenderTaskClosure() {
return InternalRenderTask;
})();
/**
* (Deprecated) Global observer of unsupported feature usages. Use
* onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance.
*/
PDFJS.UnsupportedManager = (function UnsupportedManagerClosure() {
var listeners = [];
return {
listen: function (cb) {
deprecated('Global UnsupportedManager.listen is used: ' +
' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
listeners.push(cb);
},
notify: function (featureId) {
for (var i = 0, ii = listeners.length; i < ii; i++) {
listeners[i](featureId);
}
}
};
})();