Tab strategy

see background.js

Author: KurumiSerori

README.md

@@ -5,7 +5,7 @@ chrome extension for webui-aria2, would open a new tab showing webui-aria2
 
 1. Download zip of the repository and unzip the code
 2. Go to chrome://extensions/ page and click Load unpacked extension button, and select the unzipped folder.
-3. Click the icon in menubar and enjoy.
+3. Click the icon in menubar and enjoy. If you like, you can click some times more.
 
 or you can
 
@@ -19,5 +19,5 @@ maybe context menu function?
 
 ### License
 
-Refer to the LICENSE file (MIT License). If the more liberal license is needed then add it as an issue.
+Refer to the LICENSE file (MIT License). If a liberal license is needed then add it as an issue.
 

background.js

@@ -1,6 +1,19 @@
 chrome.browserAction.onClicked.addListener(function() {
 	var indexUrl = chrome.extension.getURL('webui-aria2/index.html');
-	chrome.tabs.create({ url: indexUrl });
+	chrome.tabs.getSelected(null, function(tab) { 
+		var tabUrl = tab.url;
+		// alert(tabUrl);
+		// alert(tab.status);
+		if(tabUrl == "chrome://newtab/") {	// current tab is blank, open in current tab
+			chrome.tabs.update(tab.id, { url: indexUrl });
+		}
+		else if(tabUrl == indexUrl) {	// current tab is already in extension page, just refresh
+			chrome.tabs.reload(new Number(tab.id));
+		}
+		else {	// create a new tab for extension to run
+			chrome.tabs.create({ url: indexUrl });
+		}
+	});
 });
 
 

manifest.json

@@ -3,7 +3,7 @@
 
 	"name": "wace",
 	"description": "chrome extension for webui-aria2, would open a new tab showing webui-aria2",
-	"version": "0.0.2",
+	"version": "0.0.3",
 	"icons": {
 		"32": "favicon32.png",
 		"64": "favicon64.png",