Use the regular preprocess-function for the CSS files as well

external/builder/builder.js

@@ -38,9 +38,25 @@ function preprocess(inFilename, outFilename, defines) {
     return fs.realpathSync(inFilename) + ":" + lineNumber;
   }
 
+  function expandCssImports(content, baseUrl) {
+    return content.replace(
+      /^\s*@import\s+url\(([^)]+)\);\s*$/gm,
+      function (all, url) {
+        const file = path.join(path.dirname(baseUrl), url);
+        const imported = fs.readFileSync(file, "utf8").toString();
+        return expandCssImports(imported, file);
+      }
+    );
+  }
+
   // TODO make this really read line by line.
-  const lines = fs.readFileSync(inFilename).toString().split("\n");
-  const totalLines = lines.length;
+  let content = fs.readFileSync(inFilename, "utf8").toString();
+  // Handle CSS-imports first, when necessary.
+  if (/\.css$/i.test(inFilename)) {
+    content = expandCssImports(content, inFilename);
+  }
+  const lines = content.split("\n"),
+    totalLines = lines.length;
   let out = "";
   let i = 0;
   function readLine() {
@@ -123,7 +139,7 @@ function preprocess(inFilename, outFilename, defines) {
   let state = STATE_NONE;
   const stack = [];
   const control =
-    /^(?:\/\/|<!--)\s*#(if|elif|else|endif|expand|include|error)\b(?:\s+(.*?)(?:-->)?$)?/;
+    /^(?:\/\/|\s*\/\*|<!--)\s*#(if|elif|else|endif|expand|include|error)\b(?:\s+(.*?)(?:\*\/|-->)?$)?/;
 
   while ((line = readLine()) !== null) {
     ++lineNumber;
@@ -199,82 +215,6 @@ function preprocess(inFilename, outFilename, defines) {
 }
 exports.preprocess = preprocess;
 
-function preprocessCSS(inFilename, outFilename, defines) {
-  function hasPrefixedMozcentral(line) {
-    return /(^|\W)-(ms|o|webkit)-\w/.test(line);
-  }
-
-  function expandImports(content, baseUrl) {
-    return content.replace(
-      /^\s*@import\s+url\(([^)]+)\);\s*$/gm,
-      function (all, url) {
-        const file = path.join(path.dirname(baseUrl), url);
-        const imported = fs.readFileSync(file, "utf8").toString();
-        return expandImports(imported, file);
-      }
-    );
-  }
-
-  function removePrefixed(content, hasPrefixedFilter) {
-    const lines = content.split(/\r?\n/g);
-    let i = 0;
-    while (i < lines.length) {
-      const line = lines[i];
-      if (!hasPrefixedFilter(line)) {
-        i++;
-        continue;
-      }
-      if (/\{\s*$/.test(line)) {
-        let bracketLevel = 1;
-        let j = i + 1;
-        while (j < lines.length && bracketLevel > 0) {
-          const checkBracket = /([{}])\s*$/.exec(lines[j]);
-          if (checkBracket) {
-            if (checkBracket[1] === "{") {
-              bracketLevel++;
-            } else if (!lines[j].includes("{")) {
-              bracketLevel--;
-            }
-          }
-          j++;
-        }
-        lines.splice(i, j - i);
-      } else if (/[};]\s*$/.test(line)) {
-        lines.splice(i, 1);
-      } else {
-        // multiline? skipping until next directive or bracket
-        do {
-          lines.splice(i, 1);
-        } while (
-          i < lines.length &&
-          !/\}\s*$/.test(lines[i]) &&
-          !lines[i].includes(":")
-        );
-        if (i < lines.length && /\S\s*}\s*$/.test(lines[i])) {
-          lines[i] = lines[i].substring(lines[i].indexOf("}"));
-        }
-      }
-      // collapse whitespaces
-      while (lines[i] === "" && lines[i - 1] === "") {
-        lines.splice(i, 1);
-      }
-    }
-    return lines.join("\n");
-  }
-
-  if (!defines) {
-    throw new Error("Missing CSS preprocessor defines.");
-  }
-
-  let content = fs.readFileSync(inFilename, "utf8").toString();
-  content = expandImports(content, inFilename);
-  if (defines.MOZCENTRAL) {
-    content = removePrefixed(content, hasPrefixedMozcentral);
-  }
-  fs.writeFileSync(outFilename, content);
-}
-exports.preprocessCSS = preprocessCSS;
-
 /**
  * Merge two defines arrays. Values in the second param will override values in
  * the first.

external/builder/fixtures/if-nested-expected.css

@@ -0,0 +1,3 @@
+div {
+  margin: 0;
+}

external/builder/fixtures/if-nested.css

@@ -0,0 +1,14 @@
+/*#if TRUE*/
+div {
+  margin: 0;
+  /*#if FALSE*/
+  padding: 0;
+  /*#endif*/
+}
+/*#endif*/
+
+/*#if FALSE*/
+p {
+  margin: 0;
+}
+/*#endif*/

gulpfile.js

@@ -816,7 +816,7 @@ gulp.task("cmaps", function (done) {
 
 function preprocessCSS(source, defines) {
   const outName = getTempFile("~preprocess", ".css");
-  builder.preprocessCSS(source, outName, defines);
+  builder.preprocess(source, outName, defines);
   let out = fs.readFileSync(outName).toString();
   fs.unlinkSync(outName);
 
@@ -1334,6 +1334,11 @@ gulp.task(
       const CHROME_BUILD_DIR = BUILD_DIR + "/chromium/",
         CHROME_BUILD_CONTENT_DIR = CHROME_BUILD_DIR + "/content/";
 
+      const CHROME_WEB_FILES = [
+        ...COMMON_WEB_FILES,
+        "!web/images/toolbarButton-openFile.svg",
+      ];
+
       // Clear out everything in the chrome extension build directory
       rimraf.sync(CHROME_BUILD_DIR);
 
@@ -1353,7 +1358,7 @@ gulp.task(
           gulp.dest(CHROME_BUILD_CONTENT_DIR + "web")
         ),
         gulp
-          .src(COMMON_WEB_FILES, { base: "web/" })
+          .src(CHROME_WEB_FILES, { base: "web/" })
           .pipe(gulp.dest(CHROME_BUILD_CONTENT_DIR + "web")),
 
         gulp

web/app.js

@@ -2195,9 +2195,6 @@ function webViewerInitialized() {
         fileInput: evt.dataTransfer,
       });
     });
-  } else if (!PDFJSDev.test("MOZCENTRAL")) {
-    appConfig.toolbar.openFile.hidden = true;
-    appConfig.secondaryToolbar.openFileButton.hidden = true;
   }
 
   if (!PDFViewerApplication.supportsDocumentFonts) {

web/secondary_toolbar.js

@@ -135,7 +135,7 @@ class SecondaryToolbar {
         close: true,
       },
     ];
-    if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")) {
+    if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
       this.buttons.push({
         element: options.openFileButton,
         eventName: "openfile",

web/toolbar.js

@@ -70,7 +70,7 @@ class Toolbar {
       { element: options.download, eventName: "download" },
       { element: options.viewBookmark, eventName: null },
     ];
-    if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")) {
+    if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
       this.buttons.push({ element: options.openFile, eventName: "openfile" });
     }
     this.items = {

web/viewer.css

@@ -29,7 +29,9 @@
 
   --main-color: rgba(12, 12, 13, 1);
   --body-bg-color: rgba(237, 237, 240, 1);
-  --errorWrapper-bg-color: rgba(255, 110, 110, 1); /* -webkit-non-mozcentral */
+  /*#if !MOZCENTRAL*/
+  --errorWrapper-bg-color: rgba(255, 110, 110, 1);
+  /*#endif*/
   --progressBar-color: rgba(10, 132, 255, 1);
   --progressBar-indeterminate-bg-color: rgba(221, 221, 222, 1);
   --progressBar-indeterminate-blend-color: rgba(116, 177, 239, 1);
@@ -77,7 +79,9 @@
   --toolbarButton-zoomIn-icon: url(images/toolbarButton-zoomIn.svg);
   --toolbarButton-presentationMode-icon: url(images/toolbarButton-presentationMode.svg);
   --toolbarButton-print-icon: url(images/toolbarButton-print.svg);
-  --toolbarButton-openFile-icon: url(images/toolbarButton-openFile.svg); /* -webkit-non-mozcentral */
+  /*#if GENERIC*/
+  --toolbarButton-openFile-icon: url(images/toolbarButton-openFile.svg);
+  /*#endif*/
   --toolbarButton-download-icon: url(images/toolbarButton-download.svg);
   --toolbarButton-bookmark-icon: url(images/toolbarButton-bookmark.svg);
   --toolbarButton-viewThumbnail-icon: url(images/toolbarButton-viewThumbnail.svg);
@@ -112,7 +116,9 @@
   :root {
     --main-color: rgba(249, 249, 250, 1);
     --body-bg-color: rgba(42, 42, 46, 1);
-    --errorWrapper-bg-color: rgba(169, 14, 14, 1); /* -webkit-non-mozcentral */
+    /*#if !MOZCENTRAL*/
+    --errorWrapper-bg-color: rgba(169, 14, 14, 1);
+    /*#endif*/
     --progressBar-color: rgba(0, 96, 223, 1);
     --progressBar-indeterminate-bg-color: rgba(40, 40, 43, 1);
     --progressBar-indeterminate-blend-color: rgba(20, 68, 133, 1);
@@ -457,9 +463,11 @@ select {
 #findInput {
   width: 200px;
 }
+/*#if !MOZCENTRAL*/
 #findInput::-webkit-input-placeholder {
   color: rgba(191, 191, 191, 1);
 }
+/*#endif*/
 #findInput::placeholder {
   font-style: normal;
 }
@@ -817,10 +825,12 @@ select {
   mask-image: var(--toolbarButton-print-icon);
 }
 
-#openFile::before, /* -webkit-non-mozcentral */
-#secondaryOpenFile::before /* -webkit-non-mozcentral */ {
+/*#if GENERIC*/
+#openFile::before,
+#secondaryOpenFile::before {
   mask-image: var(--toolbarButton-openFile-icon);
 }
+/*#endif*/
 
 #download::before,
 #secondaryDownload::before {
@@ -1002,10 +1012,11 @@ a.secondaryToolbarButton[href="#"] {
   background-repeat: no-repeat;
   background-position: 3px;
 }
-
+/*#if !MOZCENTRAL*/
 #pageNumber::-webkit-inner-spin-button {
   -webkit-appearance: none;
 }
+/*#endif*/
 
 .toolbarField:focus {
   border-color: #0a84ff;
@@ -1174,7 +1185,8 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   background: rgba(0, 0, 255, 0.3);
 }
 
-#errorWrapper /* -webkit-non-mozcentral */ {
+/*#if !MOZCENTRAL*/
+#errorWrapper {
   background-color: var(--errorWrapper-bg-color);
   color: var(--main-color);
   left: 0;
@@ -1184,24 +1196,25 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   padding: 3px 6px;
 }
 
-#errorMessageLeft /* -webkit-non-mozcentral */ {
+#errorMessageLeft {
   float: left;
 }
-#errorMessageRight /* -webkit-non-mozcentral */ {
+#errorMessageRight {
   float: right;
 }
 
-#errorSpacer /* -webkit-non-mozcentral */ {
+#errorSpacer {
   clear: both;
 }
-#errorMoreInfo /* -webkit-non-mozcentral */ {
+#errorMoreInfo {
   background-color: var(--field-bg-color);
   color: var(--field-color);
   border: 1px solid var(--field-border-color);
   padding: 3px;
   margin: 3px;
   width: 98%;
 }
+/*#endif*/
 
 .dialogButton {
   width: auto;

web/viewer.html

@@ -153,7 +153,7 @@
               <span data-l10n-id="presentation_mode_label">Presentation Mode</span>
             </button>
 
-<!--#if !MOZCENTRAL-->
+<!--#if GENERIC-->
             <button id="secondaryOpenFile" class="secondaryToolbarButton visibleLargeView" title="Open File" tabindex="52" data-l10n-id="open_file">
               <span data-l10n-id="open_file_label">Open</span>
             </button>
@@ -267,7 +267,7 @@
                   <span data-l10n-id="presentation_mode_label">Presentation Mode</span>
                 </button>
 
-<!--#if !MOZCENTRAL-->
+<!--#if GENERIC-->
                 <button id="openFile" class="toolbarButton hiddenLargeView" title="Open File" tabindex="32" data-l10n-id="open_file">
                   <span data-l10n-id="open_file_label">Open</span>
                 </button>
@@ -453,7 +453,7 @@
     </div> <!-- outerContainer -->
     <div id="printContainer"></div>
 
-<!--#if GENERIC -->
+<!--#if GENERIC-->
     <input type="file" id="fileInput" class="hidden">
 <!--#endif-->
   </body>

web/viewer.js

@@ -89,7 +89,7 @@ function getViewerConfiguration() {
       zoomOut: document.getElementById("zoomOut"),
       viewFind: document.getElementById("viewFind"),
       openFile:
-        typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")
+        typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
           ? document.getElementById("openFile")
           : null,
       print: document.getElementById("print"),
@@ -104,7 +104,7 @@ function getViewerConfiguration() {
         "secondaryPresentationMode"
       ),
       openFileButton:
-        typeof PDFJSDev === "undefined" || !PDFJSDev.test("MOZCENTRAL")
+        typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")
           ? document.getElementById("secondaryOpenFile")
           : null,
       printButton: document.getElementById("secondaryPrint"),