From 94852de8117dae019cba98fdb01a48078910443d Mon Sep 17 00:00:00 2001
From: mitsugu oyama
Date: Wed, 14 Sep 2011 19:06:15 +0900
Subject: implement worker

---
 modules/libDLImage.js | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 modules/libDLImage.js

(limited to 'modules')

diff --git a/modules/libDLImage.js b/modules/libDLImage.js
new file mode 100644
index 0000000..b2dabda
--- /dev/null
+++ b/modules/libDLImage.js
@@ -0,0 +1,39 @@
+var JSONMessage;
+var xhrImg;
+
+function trueImage(){
+  var instream=xhrImg.responseText;
+  self.postMessage(
+    {'status':'normal','message':instream,'savePath':JSONMessage.savePath}
+  );
+  return;
+};
+
+function falseImage(){
+  self.postMessage({'status':'error','message':'IMAGE FILE ACCEPT ERROR!!'});
+  return false;
+};
+
+function downloadImage(){
+  xhrImg=new XMLHttpRequest();
+  xhrImg.addEventListener("load",trueImage,false);
+  xhrImg.addEventListener("error",falseImage,false);
+  xhrImg.open("GET",JSONMessage.imageUrl,false);
+  xhrImg.overrideMimeType('text/plain;charset=x-user-defined');
+  if(0<JSONMessage.refererUrl.length){
+    xhrImg.setRequestHeader('Referer',JSONMessage.refererUrl);
+  };
+  if(0<JSONMessage.cookie){
+    xhrImg.setRequestHeader('Cookie',JSONMessage.cookie);
+  };
+  xhrImg.send(null);
+};
+
+addEventListener("message",function(event){
+  JSONMessage=JSON.parse(event.data);
+  if(JSONMessage.imageUrl===undefined||JSONMessage.savePath===undefined){
+    self.postMessage({'status':'error','message':'PARAMETA ERROR!!'});
+    return false;
+  }
+  downloadImage();
+}, false);
-- 
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