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Merge pull request #7829 from Snuffleupagus/finishPaintTask-promise

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Let `finishPaintTask` in pdf_page_view.js return a promise instead, to avoid having to throw in the `paintTask.promise` rejection handler, and don't reject the `PDFPageView_draw` promise when rendering is `cancelled`
This commit is contained in:
Tim van der Meij 2016-12-27 23:51:06 +01:00 • committed by GitHub
commit 22f0a04df0
1 changed files with 17 additions and 12 deletions
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29
web/pdf_page_view.js
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@ -423,7 +423,7 @@ var PDFPageView = (function PDFPageViewClosure() {
if (error === 'cancelled') {
self.error = null;
return;
return Promise.resolve(undefined);
}
self.renderingState = RenderingStates.FINISHED;
@ -459,6 +459,11 @@ var PDFPageView = (function PDFPageViewClosure() {
pageNumber: self.id,
cssTransform: false,
});
if (error) {
return Promise.reject(error);
}
return Promise.resolve(undefined);
};
var paintTask = this.renderer === RendererType.SVG ?
@ -468,18 +473,18 @@ var PDFPageView = (function PDFPageViewClosure() {
this.paintTask = paintTask;
var resultPromise = paintTask.promise.then(function () {
finishPaintTask(null);
if (textLayer) {
pdfPage.getTextContent({
normalizeWhitespace: true,
}).then(function textContentResolved(textContent) {
textLayer.setTextContent(textContent);
textLayer.render(TEXT_LAYER_RENDER_DELAY);
});
}
return finishPaintTask(null).then(function () {
if (textLayer) {
pdfPage.getTextContent({
normalizeWhitespace: true,
}).then(function textContentResolved(textContent) {
textLayer.setTextContent(textContent);
textLayer.render(TEXT_LAYER_RENDER_DELAY);
});
}
});
}, function (reason) {
finishPaintTask(reason);
throw reason;
return finishPaintTask(reason);
});
if (this.annotationLayerFactory) {