-jinzhu#125 scripts to reload extension automatically during dev -- u…

…tils

.gitignore

@@ -7,3 +7,4 @@ Gemfile.lock
 /src/files/features.html
 /src/files/changelog.html
 /src/files/thanks.html
+/nbproject/

system/ruby/bin/vrome

@@ -20,6 +20,11 @@ class VromeServer < WEBrick::HTTPServlet::AbstractServlet
     response.status          = status
     response['Content-Type'] = content_type
     response.body            = body
+    response['Content-Type'] = "text/plain"
+    response['Access-Control-Allow-Origin'] = '*'
+    response['Access-Control-Allow-Methods'] = 'POST'
+    response['Access-Control-Allow-Headers'] = 'Content-Type, Cache-Control'
+    response['Access-Control-Max-Age'] = 5
   end
 
   def open_editor(request)
@@ -37,6 +42,14 @@ class VromeServer < WEBrick::HTTPServlet::AbstractServlet
 
     return 200, "text/plain", text
   end
+
+  def get_latest_version(request)
+    filename = File.dirname(File.expand_path(__FILE__)) + "/../../../utils/version.txt"
+    version = (File.read(filename)) if File.exists?(filename)
+    return 200, "text/plain", version
+  end
+
+
 end
 
 puts "Starting Vrome server..."

utils/.gitignore

@@ -0,0 +1 @@
+/version.txt

utils/doc.txt

@@ -0,0 +1,7 @@
+version.txt -- generated version number. updated whenever a change is made to the js file by watch_and_do scripts
+
+update_version.rb -- called by watch_and_do to update version.txt
+
+reload_extension.js -- makes calls to server.rb every X seconds and reloads the extension if the version number has been updated i.e files have been changed
+
+refresh_server.sh -- reloads the ruby server when files have been modified

utils/refresh_server.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# script to restart server whenever changes are made
+# watch_and_do /home/hassen/workspace/vrome/system/ruby/lib rb /home/hassen/workspace/vrome/refresh_server.sh
+pid=`lsof -t -i :20000`
+echo $pid
+kill -9 $pid
+
+echo "restarting server..."
+nohup ./system/ruby/bin/vrome  >> /tmp/vrome_server.out 2>> /tmp/vrome_server.err < /dev/null &

utils/reload_extension.js

@@ -0,0 +1,36 @@
+// put your extension ID here
+var myExtensionID = 'fecemdkpacpnmlbkjfadknbkfhadnnjm';
+var latestVersion = -1;
+var time = 500; // reload every X ms
+
+function reload_ext()
+{
+  document.getElementById("toggle-" + myExtensionID).click();
+}
+
+function reloadExtension()
+{
+  var xhr = new XMLHttpRequest();
+  var url = 'http://127.0.0.1:20000';
+  xhr.open("POST", url, true);
+  xhr.onreadystatechange = function() {
+    if(xhr.readyState == 4 && xhr.status == 200) {
+      if(latestVersion != xhr.responseText)
+      {
+        chrome.send('reload', [myExtensionID]);
+        // recent versions of chrome
+        reload_ext();
+        setTimeout('reload_ext()', 500);
+        console.log("RELOADING at " + new Date());
+        latestVersion = xhr.responseText;
+      }
+    }
+  }
+
+  xhr.setRequestHeader("Content-type", "text/plain");
+  xhr.send(JSON.stringify({
+    'method':'get_latest_version'
+  }));
+}
+
+window.setInterval('reloadExtension()', time);

utils/update_version.rb

@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+
+filename = File.dirname(File.expand_path(__FILE__)) + "/version.txt"
+
+version = 0
+if File.exists? filename
+  version = eval(File.read(filename))
+end
+version += 1
+
+tmpfile = File.new filename, "w"
+tmpfile.write version
+tmpfile.flush
+
+puts version