Bug 1603673 - Signal that we support web manifest processing in Fenix…

… r=snorp,agi,ladybenko

When enabled, `link.relList.supports("manifest")` will return `true`.

Differential Revision: https://phabricator.services.mozilla.com/D58181

--HG--
extra : moz-landing-system : lando

browser/components/ssb/tests/browser/browser.ini

@@ -4,6 +4,7 @@ support-files =
   test_page.html
   empty_page.html
 prefs =
+  dom.manfiest.enabled=true
   browser.ssb.enabled=true
   browser.ssb.osintegration=false
 

devtools/client/application/test/browser/head.js

@@ -44,6 +44,9 @@ async function enableApplicationPanel() {
   // Enable all preferences related to service worker debugging.
   await enableServiceWorkerDebugging();
 
+  // Enable web manifest processing.
+  Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
   // Enable application panel in DevTools.
   await pushPref("devtools.application.enabled", true);
 }

devtools/server/tests/browser/browser_application_manifest.js

@@ -3,6 +3,9 @@
 
 "use strict";
 
+// Enable web manifest processing.
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 add_task(async function() {
   info("Testing fetching a valid manifest");
   const response = await fetchManifest("application-manifest-basic.html");

dom/manifest/ManifestObtainer.jsm

@@ -25,6 +25,8 @@
  */
 "use strict";
 
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
 const { PromiseMessage } = ChromeUtils.import(
   "resource://gre/modules/PromiseMessage.jsm"
 );
@@ -72,6 +74,11 @@ var ManifestObtainer = {
     aContent,
     aOptions = { checkConformance: false }
   ) {
+    if (!Services.prefs.getBoolPref("dom.manifest.enabled")) {
+      throw new Error(
+        "Obtaining manifest is disabled by pref: dom.manifest.enabled"
+      );
+    }
     if (!aContent || isXULBrowser(aContent)) {
       const err = new TypeError("Invalid input. Expected a DOM Window.");
       return Promise.reject(err);

dom/manifest/test/browser_ManifestIcons_browserFetchIcon.js

@@ -1,6 +1,9 @@
 // Used by JSHint:
 /* global Cu, BrowserTestUtils, ok, add_task, gBrowser */
 "use strict";
+
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 const { ManifestIcons } = ChromeUtils.import(
   "resource://gre/modules/ManifestIcons.jsm"
 );

dom/manifest/test/browser_ManifestObtainer_credentials.js

@@ -1,6 +1,9 @@
 // Used by JSHint:
 /* global ok, is, Cu, BrowserTestUtils, add_task, gBrowser, makeTestURL, requestLongerTimeout*/
 "use strict";
+
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 const { ManifestObtainer } = ChromeUtils.import(
   "resource://gre/modules/ManifestObtainer.jsm"
 );

dom/manifest/test/browser_ManifestObtainer_obtain.js

@@ -2,6 +2,8 @@
 /* global ok, is, Cu, BrowserTestUtils, add_task, gBrowser, requestLongerTimeout*/
 "use strict";
 
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 const { ManifestObtainer } = ChromeUtils.import(
   "resource://gre/modules/ManifestObtainer.jsm"
 );

dom/security/test/csp/browser_manifest-src-override-default-src.js

@@ -13,6 +13,10 @@ const mixedContentFile = `${path}file_web_manifest_mixed_content.html`;
 const server = `${path}file_testserver.sjs`;
 const defaultURL = new URL(`http://example.org${server}`);
 const mixedURL = new URL(`http://mochi.test:8888${server}`);
+
+// Enable web manifest processing.
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 const tests = [
   // Check interaction with default-src and another origin,
   // CSP allows fetching from example.org, so manifest should load.

dom/security/test/csp/browser_test_web_manifest.js

@@ -17,6 +17,10 @@ const httpsManifest = `${path}file_web_manifest_https.html`;
 const server = `${path}file_testserver.sjs`;
 const defaultURL = new URL(`http://example.org${server}`);
 const secureURL = new URL(`https://example.com:443${server}`);
+
+// Enable web manifest processing.
+Services.prefs.setBoolPref("dom.manifest.enabled", true);
+
 const tests = [
   // CSP block everything, so trying to load a manifest
   // will result in a policy violation.

mobile/android/geckoview/api.txt

@@ -521,6 +521,7 @@ package org.mozilla.geckoview {
     method public boolean getUseMaxScreenDepth();
     method public boolean getUseMultiprocess();
     method public boolean getWebFontsEnabled();
+    method public boolean getWebManifestEnabled();
     method @NonNull public GeckoRuntimeSettings setAboutConfigEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings setAutomaticFontSizeAdjustment(boolean);
     method @NonNull public GeckoRuntimeSettings setConsoleOutputEnabled(boolean);
@@ -535,6 +536,7 @@ package org.mozilla.geckoview {
     method @NonNull public GeckoRuntimeSettings setPreferredColorScheme(int);
     method @NonNull public GeckoRuntimeSettings setRemoteDebuggingEnabled(boolean);
     method @NonNull public GeckoRuntimeSettings setWebFontsEnabled(boolean);
+    method @NonNull public GeckoRuntimeSettings setWebManifestEnabled(boolean);
     field public static final int COLOR_SCHEME_DARK = 1;
     field public static final int COLOR_SCHEME_LIGHT = 0;
     field public static final int COLOR_SCHEME_SYSTEM = -1;
@@ -570,6 +572,7 @@ package org.mozilla.geckoview {
     method @NonNull public GeckoRuntimeSettings.Builder useMaxScreenDepth(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder useMultiprocess(boolean);
     method @NonNull public GeckoRuntimeSettings.Builder webFontsEnabled(boolean);
+    method @NonNull public GeckoRuntimeSettings.Builder webManifest(boolean);
     method @NonNull protected GeckoRuntimeSettings newSettings(@Nullable GeckoRuntimeSettings);
   }
 

mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/ContentDelegateTest.kt

@@ -296,6 +296,26 @@ class ContentDelegateTest : BaseSessionTest() {
         })
     }
 
+    @Test fun webAppManifestPref() {
+        val initialState = sessionRule.runtime.settings.getWebManifestEnabled()
+        val jsToRun = "document.querySelector('link[rel=manifest]').relList.supports('manifest');"
+
+        // Check pref'ed off
+        sessionRule.runtime.settings.setWebManifestEnabled(false)
+        mainSession.loadTestPath(HELLO_HTML_PATH)
+        var result = equalTo(mainSession.evaluateJS(jsToRun) as Boolean)
+
+        assertThat("Disabling pref makes relList.supports('manifest') return false", false, result)
+
+        // Check pref'ed on
+        sessionRule.runtime.settings.setWebManifestEnabled(true)
+        mainSession.loadTestPath(HELLO_HTML_PATH)
+        result = equalTo(mainSession.evaluateJS(jsToRun) as Boolean)
+        assertThat("Enabling pref makes relList.supports('manifest') return true", true, result)
+
+        sessionRule.runtime.settings.setWebManifestEnabled(initialState)
+    }
+
     @Test fun webAppManifest() {
         mainSession.loadTestPath(HELLO_HTML_PATH)
         mainSession.waitUntilCalled(object : Callbacks.All {

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoRuntimeSettings.java

@@ -156,6 +156,22 @@ public static final class Builder
             return this;
         }
 
+        /**
+         * Set whether web manifest support is enabled.
+         *
+         * This controls if Gecko actually downloads, or "obtains", web
+         * manifests and processes them. Without setting this pref, trying
+         * to obtain a manifest throws.
+         *
+         * @param enabled A flag determining whether Web Manifest processing support is
+         *                enabled.
+         * @return The builder instance.
+         */
+        public @NonNull Builder webManifest(final boolean enabled) {
+            getSettings().mWebManifest.set(enabled);
+            return this;
+        }
+
         /**
          * Set whether or not web console messages should go to logcat.
          *
@@ -431,6 +447,8 @@ public static final class Builder
         return mContentBlocking;
     }
 
+    /* package */ final Pref<Boolean> mWebManifest = new Pref<Boolean>(
+        "dom.manifest.enabled", true);
     /* package */ final Pref<Boolean> mJavaScript = new Pref<Boolean>(
         "javascript.enabled", true);
     /* package */ final Pref<Boolean> mRemoteDebugging = new Pref<Boolean>(
@@ -772,6 +790,28 @@ private static String getLanguageTag(final Locale locale) {
         return out.toString();
     }
 
+    /**
+     * Sets whether Web Manifest processing support is enabled.
+     *
+     * @param enabled A flag determining whether Web Manifest processing support is
+     *                enabled.
+     *
+     * @return This GeckoRuntimeSettings instance.
+     */
+    public @NonNull GeckoRuntimeSettings setWebManifestEnabled(final boolean enabled) {
+        mWebManifest.commit(enabled);
+        return this;
+    }
+
+    /**
+     * Get whether or not Web Manifest processing support is enabled.
+     *
+     * @return True if web manifest processing support is enabled.
+     */
+    public boolean getWebManifestEnabled() {
+        return mWebManifest.get();
+    }
+
     /**
      * Set whether or not web console messages should go to logcat.
      *

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md

@@ -28,10 +28,17 @@ exclude: true
   [`GeckoSession.PermissionDelegate#PERMISSION_AUTOPLAY_INAUDIBLE`][73.13] to
   control autoplay.
   ([bug 1614894]({{bugzilla}}1614894))
+- Added [`GeckoRuntimeSettings.setWebManifestEnabled`][75.4],
+  [`GeckoRuntimeSettings.webManifest`][75.5], and
+  [`GeckoRuntimeSettings.getWebManifestEnabled`][75.6]
+  ([bug 1614894]({{bugzilla}}1603673)), to enable or check Web Manifest support.
 
 [75.1]: {{javadoc_uri}}/GeckoRuntimeSettings.Builder.html#useMultiprocess-boolean-
 [75.2]: {{javadoc_uri}}/WebExtensionController.DebuggerDelegate.html#onExtensionListUpdated--
 [75.3]: {{javadoc_uri}}/GeckoRuntimeSettings.Builder.html#autoplayDefault-boolean-
+[75.4]: {{javadoc_uri}}/GeckoRuntimeSettings.Builder.html#setWebManifestEnabled-boolean-
+[75.5]: {{javadoc_uri}}/GeckoRuntimeSettings.Builder.html#webManifest-boolean-
+[75.6]: {{javadoc_uri}}/GeckoRuntimeSettings.Builder.html#getWebManifestEnabled--
 
 ## v74
 - Added [`WebExtensionController.enable`][74.1] and [`disable`][74.2] to
@@ -595,4 +602,4 @@ exclude: true
 [65.24]: {{javadoc_uri}}/CrashReporter.html#sendCrashReport-android.content.Context-android.os.Bundle-java.lang.String-
 [65.25]: {{javadoc_uri}}/GeckoResult.html
 
-[api-version]: 898e8783e858824b7af7e4e9763bf5aaa54c0b0c
+[api-version]: 82255b8fdbc57e73920690426bdb4dd261cfe4ff