From 7f0fc8557e1617f0274e41587de4e34df4016aa1 Mon Sep 17 00:00:00 2001
From: Rob Wu <gwnRob@gmail.com>
Date: Sun, 26 Jan 2014 00:33:06 +0100
Subject: [PATCH] [CRX] Support <embed type="application/pdf">

---
 extensions/chromium/contentscript.js | 39 ++++++++++++++++++++++++++++
 extensions/chromium/manifest.json    |  3 ++-
 extensions/chromium/nothing.js       |  1 -
 3 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 extensions/chromium/contentscript.js
 delete mode 100644 extensions/chromium/nothing.js

diff --git a/extensions/chromium/contentscript.js b/extensions/chromium/contentscript.js
new file mode 100644
index 000000000..699e3d2f1
--- /dev/null
+++ b/extensions/chromium/contentscript.js
@@ -0,0 +1,39 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/*
+Copyright 2014 Mozilla Foundation
+
+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.
+*/
+/* globals chrome */
+
+'use strict';
+
+var VIEWER_URL = chrome.extension.getURL('content/web/viewer.html');
+
+function getViewerURL(pdf_url) {
+  return VIEWER_URL + '?file=' + encodeURIComponent(pdf_url);
+}
+
+document.addEventListener('beforeload', function(event) {
+  var elem = event.target;
+  if (elem.nodeName.toUpperCase() !== 'EMBED') {
+    return;
+  }
+  if (!/^application\/pdf$/i.test(elem.type)) {
+    return;
+  }
+  event.preventDefault();
+  elem.type = 'text/html';
+  elem.src = getViewerURL(elem.src);
+}, true);
diff --git a/extensions/chromium/manifest.json b/extensions/chromium/manifest.json
index cd760480b..70da37655 100644
--- a/extensions/chromium/manifest.json
+++ b/extensions/chromium/manifest.json
@@ -23,7 +23,8 @@
       "ftp://*/*",
       "file://*/*"
     ],
-    "js": ["nothing.js"]
+    "run_at": "document_start",
+    "js": ["contentscript.js"]
   }],
   "mime_types": [
     "application/pdf"
diff --git a/extensions/chromium/nothing.js b/extensions/chromium/nothing.js
deleted file mode 100644
index ce8f90c40..000000000
--- a/extensions/chromium/nothing.js
+++ /dev/null
@@ -1 +0,0 @@
-// This file has no code, and is used to deal with http://crbug.com/302548