1 files changed, 45 insertions, 0 deletions
diff --git a/mobile/android/base/java/org/mozilla/gecko/icons/loader/JarLoader.java b/mobile/android/base/java/org/mozilla/gecko/icons/loader/JarLoader.java
new file mode 100644
index 000000000..882d32da5
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/icons/loader/JarLoader.java
@@ -0,0 +1,45 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.icons.loader;
+
+import android.content.Context;
+import android.util.Log;
+
+import org.mozilla.gecko.icons.IconRequest;
+import org.mozilla.gecko.icons.IconResponse;
+import org.mozilla.gecko.util.GeckoJarReader;
+
+/**
+ * Loader implementation for loading icons from the omni.ja (jar:jar: URLs).
+ *
+ * https://developer.mozilla.org/en-US/docs/Mozilla/About_omni.ja_(formerly_omni.jar)
+ */
+public class JarLoader implements IconLoader {
+    private static final String LOGTAG = "Gecko/JarLoader";
+
+    @Override
+    public IconResponse load(IconRequest request) {
+        if (request.shouldSkipDisk()) {
+            return null;
+        }
+
+        final String iconUrl = request.getBestIcon().getUrl();
+
+        if (!iconUrl.startsWith("jar:jar:")) {
+            return null;
+        }
+
+        try {
+            final Context context = request.getContext();
+            return IconResponse.create(
+                    GeckoJarReader.getBitmap(context, context.getResources(), iconUrl));
+        } catch (Exception e) {
+            // Just about anything could happen here.
+            Log.w(LOGTAG, "Error fetching favicon from JAR.", e);
+            return null;
+        }
+    }
+}