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Adding new errorback and code to display error messages.

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This commit is contained in:
Brendan Dahl 2011-11-28 16:55:09 -08:00
parent 59d9dfc014
commit d6925b13ba
6 changed files with 119 additions and 15 deletions
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21
src/core.js
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@ -63,6 +63,10 @@ var Page = (function pagePage() {
};
this.xref = xref;
this.ref = ref;
this.ctx = null;
this.callback = null;
this.errorback = null;
}
constructor.prototype = {
@ -165,8 +169,10 @@ var Page = (function pagePage() {
try {
self.display(gfx, self.callback);
} catch (e) {
if (self.callback) self.callback(e.toString());
throw e;
if (self.errorback)
self.errorback(e);
else
throw e;
}
});
};
@ -303,9 +309,10 @@ var Page = (function pagePage() {
}
return links;
},
startRendering: function pageStartRendering(ctx, callback) {
startRendering: function pageStartRendering(ctx, callback, errorback) {
this.ctx = ctx;
this.callback = callback;
this.errorback = errorback;
this.startRenderingTime = Date.now();
this.pdf.startRendering(this);
@ -599,6 +606,14 @@ var PDFDoc = (function pdfDoc() {
}
}.bind(this));
messageHandler.on('page_error', function pdfDocError(data) {
var page = this.pageCache[data.pageNum];
if (page.errorback)
page.errorback(data.error)
else
throw data.error;
}, this);
setTimeout(function pdfDocFontReadySetTimeout() {
messageHandler.send('doc', this.data);
this.workerReadyPromise.resolve(true);