Inject flash controls into the page context

At some point, Chrome got better sandboxing for its extensions, which broke the flash controls.
Injecting it into the page context gives it access to the flash GotoFrame function, and the like.

POV Cam/flash-controls/flash-controls.js

@@ -101,3 +101,5 @@ function addFlashControls(flashPanel) {
         }
     }
 }
+
+initFlashControls();

POV Cam/injection.js

@@ -67,7 +67,9 @@ function modifyPage() {
 
         // Flash controls
         if (items.flashcontrols == "yes") {
-            initFlashControls();
+            injectPageContextJS("pageNo = " + pageNo);
+            injectPageContextJSFile('flash-controls/flash-lengths.js');
+            injectPageContextJSFile('flash-controls/flash-controls.js');
         }
     });
 
@@ -86,4 +88,18 @@ function modifyPage() {
     }
 }
 
+function injectPageContextScript(scriptAttr, scriptValue) {
+    var script = document.createElement('script');
+    script[scriptAttr] = scriptValue;
+    document.head.appendChild(script);
+}
+
+function injectPageContextJS(scriptCode) {
+    return injectPageContextScript('textContent', scriptCode);
+}
+
+function injectPageContextJSFile(fileLocation) {
+    return injectPageContextScript('src', chrome.extension.getURL(fileLocation));
+}
+
 modifyPage();

POV Cam/manifest.json

@@ -12,7 +12,10 @@
 
     "web_accessible_resources": [
         "options/options.html",
-        "images/*.png"
+        "images/*.png",
+
+        "flash-controls/flash-lengths.js",
+        "flash-controls/flash-controls.js"
     ],
 
     "icons": {
@@ -57,10 +60,7 @@
                 "pre-retcon-images/pre-retcon-images.js",
 
                 "mspaintadventures-page-elements.js",
-                "injection.js",
-
-                "flash-controls/flash-lengths.js",
-                "flash-controls/flash-controls.js"
+                "injection.js"
             ],
             "css": [
                 "pre-retcon-images/pre-retcon-images.css"
@@ -69,4 +69,4 @@
             "all_frames": true
         }
     ]
-}
+}