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Disable touch-zooming, in the viewer, if AbortSignal.any is unsupported (PR 19216 follow-up) #19226

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merged 1 commit into from
Dec 15, 2024
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Disable touch-zooming, in the viewer, if AbortSignal.any is unsupported (PR 19216 follow-up) #19226

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21 changes: 13 additions & 8 deletions web/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2045,14 +2045,19 @@ const PDFViewerApplication = {
_windowAbortController: { signal },
} = this;

this._touchManager = new TouchManager({
container: window,
isPinchingDisabled: () => this.pdfViewer.isInPresentationMode,
isPinchingStopped: () => this.overlayManager?.active,
onPinching: this.touchPinchCallback.bind(this),
onPinchEnd: this.touchPinchEndCallback.bind(this),
signal,
});
if (
(typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) ||
typeof AbortSignal.any === "function"
) {
this._touchManager = new TouchManager({
container: window,
isPinchingDisabled: () => pdfViewer.isInPresentationMode,
isPinchingStopped: () => this.overlayManager?.active,
onPinching: this.touchPinchCallback.bind(this),
onPinchEnd: this.touchPinchEndCallback.bind(this),
signal,
});
}

function addWindowResolutionChange(evt = null) {
if (evt) {
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