Simplify the BaseFontLoader.isFontLoadingAPISupported getter

It's no longer necessary to special-case this getter in the `GenericFontLoader` case, since the GENERIC build hasn't been using `mozPrintCallback` for years now (furthermore Firefox 63 is really old as well).
This commit is contained in:
Jonas Jenwald 2020-03-02 19:53:50 +01:00
parent d60c1f68b7
commit 1ad65cf405

View File

@ -113,9 +113,9 @@ class BaseFontLoader {
unreachable("Abstract method `_queueLoadingCallback`.");
}
// eslint-disable-next-line getter-return
get isFontLoadingAPISupported() {
unreachable("Abstract method `isFontLoadingAPISupported`.");
const supported = typeof document !== "undefined" && !!document.fonts;
return shadow(this, "isFontLoadingAPISupported", supported);
}
// eslint-disable-next-line getter-return
@ -136,14 +136,6 @@ class BaseFontLoader {
let FontLoader;
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
FontLoader = class MozcentralFontLoader extends BaseFontLoader {
get isFontLoadingAPISupported() {
return shadow(
this,
"isFontLoadingAPISupported",
typeof document !== "undefined" && !!document.fonts
);
}
get isSyncFontLoadingSupported() {
return shadow(this, "isSyncFontLoadingSupported", true);
}
@ -161,24 +153,6 @@ if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
this.loadTestFontId = 0;
}
get isFontLoadingAPISupported() {
let supported = typeof document !== "undefined" && !!document.fonts;
if (
(typeof PDFJSDev === "undefined" || !PDFJSDev.test("CHROME")) &&
supported &&
typeof navigator !== "undefined"
) {
// The Firefox Font Loading API does not work with `mozPrintCallback`
// prior to version 63; see https://bugzilla.mozilla.org/show_bug.cgi?id=1473742
const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
if (m && m[1] < 63) {
supported = false;
}
}
return shadow(this, "isFontLoadingAPISupported", supported);
}
get isSyncFontLoadingSupported() {
let supported = false;
if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("CHROME")) {