1 files changed, 55 insertions, 0 deletions
diff --git a/src/js/firefox/injected/platform-compute.js b/src/js/firefox/injected/platform-compute.js
new file mode 100644
index 0000000..1f1dc48
--- /dev/null
+++ b/src/js/firefox/injected/platform-compute.js
@@ -0,0 +1,55 @@
+/*
+ * Module     : firefox/firefox-injected-compute.js
+ * Copyright  : (c) 2011-2012, Galois, Inc.
+ *
+ * Maintainer :
+ * Stability  : Provisional
+ * Portability: Not Portable (Firefox only)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @param {!string} css The css to inject.
+ */
+var addGlobalStyle = function(css) {
+  var head = document.getElementsByTagName('head')[0]; // find head element, which should exist
+  if (!head) {
+    head = document.createElement('head');
+
+    // XXX this is perhaps not reliable?
+    document.body.appendChild(head);
+  }
+
+  var style = document.createElement('style');         // create <style> element
+  style.type = 'text/css';
+
+  if (style.styleSheet) {                              // for some cross-browser problem
+    style.styleSheet.cssText = css;                    // attach CSS text to style elt
+  } else {
+    style.appendChild(document.createTextNode(css));   // attach CSS text to style elt
+  }
+  head.appendChild(style);                             // attach style element to head
+};
+
+/**
+ * @return {{on: function(!string, function(*)), emit: function(!string, *)}}
+ */
+var obtainComputePort = function() {
+  var port = self.port;
+
+  port.on('injectCSS', addGlobalStyle);
+  return self.port;
+};
+
+