Bug 1639067 part 4 - Generalize internal handlers in the Applications list. r=Gijs,preferences-reviewers,fluent-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D86653

browser/components/preferences/main.js

@@ -26,6 +26,15 @@ ChromeUtils.defineModuleGetter(
   "CloudStorage",
   "resource://gre/modules/CloudStorage.jsm"
 );
+var { Integration } = ChromeUtils.import(
+  "resource://gre/modules/Integration.jsm"
+);
+/* global DownloadIntegration */
+Integration.downloads.defineModuleGetter(
+  this,
+  "DownloadIntegration",
+  "resource://gre/modules/DownloadIntegration.jsm"
+);
 ChromeUtils.defineModuleGetter(
   this,
   "SelectionChangedMenulist",
@@ -1949,7 +1958,18 @@ var gMainPane = {
    * applications menu.
    */
   _loadInternalHandlers() {
-    var internalHandlers = [new PDFHandlerInfoWrapper()];
+    let internalHandlers = [new PDFHandlerInfoWrapper()];
+
+    let enabledHandlers = Services.prefs
+      .getCharPref("browser.download.viewableInternally.enabledTypes", "")
+      .trim();
+    if (enabledHandlers) {
+      for (let ext of enabledHandlers.split(",")) {
+        internalHandlers.push(
+          new ViewableInternallyHandlerInfoWrapper(ext.trim())
+        );
+      }
+    }
     for (let internalHandler of internalHandlers) {
       if (internalHandler.enabled) {
         this._handledTypes[internalHandler.type] = internalHandler;
@@ -2542,7 +2562,7 @@ var gMainPane = {
    * Filter the list when the user enters a filter term into the filter field.
    */
   filter() {
-    this._rebuildView();
+    this._rebuildView(); // FIXME: Should this be await since bug 1508156?
   },
 
   focusFilterBox() {
@@ -3632,8 +3652,9 @@ class HandlerInfoWrapper {
  * menu.
  */
 class InternalHandlerInfoWrapper extends HandlerInfoWrapper {
-  constructor(mimeType) {
-    super(mimeType, gMIMEService.getFromTypeAndExtension(mimeType, null));
+  constructor(mimeType, extension) {
+    let type = gMIMEService.getFromTypeAndExtension(mimeType, extension);
+    super(mimeType || type.type, type);
   }
 
   // Override store so we so we can notify any code listening for registration
@@ -3645,22 +3666,24 @@ class InternalHandlerInfoWrapper extends HandlerInfoWrapper {
   get enabled() {
     throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
   }
-
-  get description() {
-    return { id: this._appPrefLabel };
-  }
 }
 
 class PDFHandlerInfoWrapper extends InternalHandlerInfoWrapper {
   constructor() {
-    super(TYPE_PDF);
-  }
-
-  get _appPrefLabel() {
-    return "applications-type-pdf";
+    super(TYPE_PDF, null);
   }
 
   get enabled() {
     return !Services.prefs.getBoolPref(PREF_PDFJS_DISABLED);
   }
 }
+
+class ViewableInternallyHandlerInfoWrapper extends InternalHandlerInfoWrapper {
+  constructor(extension) {
+    super(null, extension);
+  }
+
+  get enabled() {
+    return DownloadIntegration.shouldViewDownloadInternally(this.type);
+  }
+}

browser/components/preferences/tests/browser_filetype_dialog.js

@@ -170,9 +170,12 @@ add_task(async function dialogShowsCorrectContent() {
   let desc = dialogWin.document.getElementById("appDescription");
   let descL10n = dialogWin.document.l10n.getAttributes(desc);
   is(descL10n.id, "app-manager-handle-file", "Should have right string");
+  let stringBundle = Services.strings.createBundle(
+    "chrome://mozapps/locale/downloads/unknownContentType.properties"
+  );
   is(
     descL10n.args.type,
-    await dialogWin.document.l10n.formatValue("applications-type-pdf"),
+    stringBundle.GetStringFromName("pdfExtHandlerDescription"),
     "Should have PDF string bits."
   );
 

browser/locales/en-US/browser/preferences/preferences.ftl

@@ -378,11 +378,6 @@ applications-manage-app =
     .label = Application Details…
 applications-always-ask =
     .label = Always ask
-applications-type-pdf = Portable Document Format (PDF)
-
-# Variables:
-#   $type (String) - the MIME type (e.g application/binary)
-applications-type-pdf-with-type = { applications-type-pdf } ({ $type })
 
 # Variables:
 #   $type-description (String) - Description of the type (e.g "Portable Document Format")