initial commit

.gitignore

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+.DS_Store

background.js

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+var s = document.createElement('script');
+// TODO: add "script.js" to web_accessible_resources in manifest.json
+s.src = chrome.extension.getURL('amazon_seller_checkbox.js');
+s.onload = function() {
+    this.parentNode.removeChild(this);
+};
+(document.head || document.documentElement).appendChild(s);

content_script.js

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+(function(){
+  var AmazonSellerCheckbox = function(){
+
+    var complete = false;
+    var checkboxSelectors = [
+      '#displayOnDetailPage',
+    ];
+
+    function checkboxPrompt(e){
+      if(!e.target.checked){
+        return false;
+      }
+      var confirmClick = confirm("Are you sure you want this promotion posted on your product page?");
+        if(confirmClick){
+          e.target.setAttribute('checked', true);
+        } else {
+          e.target.click();
+          e.target.setAttribute('checked', false);
+      }
+    }
+
+    function uncheckTargetedCheckboxes(){
+      checkboxSelectors.forEach(function(selector){
+        var checkboxes = document.querySelectorAll(selector);
+        if(checkboxes.length > 0){
+           for(var i=0; i<checkboxes.length; i++){
+            var checkbox = checkboxes[i];
+            if(checkbox.checked){
+              checkbox.setAttribute('checked', false);
+              checkbox.click();
+              checkbox.addEventListener("click", checkboxPrompt, true);
+            }
+          }
+        }
+      });
+      complete = true;
+    }
+
+    var intervalCheckboxes = setTimeout(function(){
+      if(!complete){
+        uncheckTargetedCheckboxes();
+      } else {
+        clearInterval(intervalCheckboxes);
+      }
+    }, 500);
+  };
+
+  //init
+  AmazonSellerCheckbox();
+}());

manifest.json

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+{
+    "manifest_version": 2,
+    "name": "Amazon Seller Checkbox",
+    "description": "Help protect your Amazon product promotion codes from being published on your product pages.",
+    "version": "1.0.0",
+    "permissions": [
+      "*://*/*"
+    ],
+    "content_scripts": [{
+      "matches": ["*://*/*"],
+      "js": ["content_script.js"]
+    }],
+    "background": {
+      "scripts": ["background.js"]
+    },
+    "icons": {
+        "16" : "assets/icon_16.png",
+        "128" : "assets/icon_128.png"
+    },
+    "web_accessible_resources": ["img/logo.png"]
+}