Merge pull request #19544 from hecerinc/hecerinc/viewerCssFF

Reenable viewerCssTheme option for Firefox

gulpfile.mjs

@@ -1431,6 +1431,7 @@ gulp.task(
           .pipe(
             postcss([
               discardCommentsCSS(),
+              postcssDarkThemeClass(),
               autoprefixer(MOZCENTRAL_AUTOPREFIXER_CONFIG),
             ])
           )
@@ -1441,6 +1442,7 @@ gulp.task(
           .pipe(
             postcss([
               discardCommentsCSS(),
+              postcssDarkThemeClass(),
               autoprefixer(MOZCENTRAL_AUTOPREFIXER_CONFIG),
             ])
           )

web/app.js

@@ -202,7 +202,6 @@ const PDFViewerApplication = {
       await this._parseHashParams();
     }
 
-    if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")) {
     let mode;
     switch (AppOptions.get("viewerCssTheme")) {
       case 1:
@@ -215,6 +214,7 @@ const PDFViewerApplication = {
     if (mode) {
       document.documentElement.classList.add(mode);
     }
+
     if (typeof PDFJSDev === "undefined" || PDFJSDev.test("TESTING")) {
       if (AppOptions.get("enableFakeMLManager")) {
         this.mlManager =
@@ -225,8 +225,8 @@ const PDFViewerApplication = {
             ),
           }) || null;
       }
-      }
-    } else if (AppOptions.get("enableAltText")) {
+    } else if (PDFJSDev.test("MOZCENTRAL")) {
+      if (AppOptions.get("enableAltText")) {
         // We want to load the image-to-text AI engine as soon as possible.
         this.mlManager = new MLManager({
           enableGuessAltText: AppOptions.get("enableGuessAltText"),
@@ -236,6 +236,7 @@ const PDFViewerApplication = {
           altTextLearnMoreUrl: AppOptions.get("altTextLearnMoreUrl"),
         });
       }
+    }
 
     // Ensure that the `L10n`-instance has been initialized before creating
     // e.g. the various viewer components.

web/app_options.js

@@ -334,6 +334,11 @@ const defaultOptions = {
     value: 1,
     kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
   },
+  viewerCssTheme: {
+    /** @type {number} */
+    value: typeof PDFJSDev !== "undefined" && PDFJSDev.test("CHROME") ? 2 : 0,
+    kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
+  },
   viewOnLoad: {
     /** @type {boolean} */
     value: 0,
@@ -489,11 +494,6 @@ if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")) {
         : "../build/pdf.sandbox.mjs",
     kind: OptionKind.VIEWER,
   };
-  defaultOptions.viewerCssTheme = {
-    /** @type {number} */
-    value: typeof PDFJSDev !== "undefined" && PDFJSDev.test("CHROME") ? 2 : 0,
-    kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
-  };
   defaultOptions.enableFakeMLManager = {
     /** @type {boolean} */
     value: true,