1 files changed, 36 insertions, 0 deletions
diff --git a/background.js b/background.js
new file mode 100644
index 0000000..df2c829
--- /dev/null
+++ b/background.js
@@ -0,0 +1,36 @@
+// Taken from:
+// http://adamfeuer.com/notes/2013/01/26/chrome-extension-making-browser-action-icon-open-options-page/
+
+function openOrFocusOptionsPage() {
+	var optionsUrl = chrome.extension.getURL('options.html'); 
+	chrome.tabs.query({}, function(extensionTabs) {
+		var found = false;
+		for (var i=0; i < extensionTabs.length; i++) {
+			if (optionsUrl == extensionTabs[i].url) {
+				found = true;
+				console.log("tab id: " + extensionTabs[i].id);
+				chrome.tabs.update(extensionTabs[i].id, {"selected": true});
+			}
+		}
+		if (found == false) {
+			chrome.tabs.create({url: "chrome-get-urls-from-tabs-in-windows.html"});
+		}
+	});
+}
+
+chrome.extension.onConnect.addListener(function(port) {
+	var tab = port.sender.tab;
+	// This will get called by the content script we execute in
+	// the tab as a result of the user pressing the browser action.
+	port.onMessage.addListener(function(info) {
+		var max_length = 1024;
+		if (info.selection.length > max_length)
+		info.selection = info.selection.substring(0, max_length);
+		openOrFocusOptionsPage();
+	});
+});
+
+// Called when the user clicks on the browser action icon.
+chrome.browserAction.onClicked.addListener(function(tab) {
+	openOrFocusOptionsPage();
+});
+\ No newline at end of file