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// 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;
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();
});
});
function download_backup_file () {
generate_backup_text(function(backup_text) {
create_download_link(backup_text, function(download_link) {
download_link.click()
});
});
}
// Called when the user clicks on the browser action icon.
chrome.browserAction.onClicked.addListener(function(tab) {
chrome.storage.sync.get(function(items) {
var behaviour = items.button_click_behaviour;
if (behaviour === 'download') {
download_backup_file();
}
else { // behaviour === 'window'
openOrFocusOptionsPage();
}
});
});
// Handle keyboard shortcut
chrome.commands.onCommand.addListener(function(command) {
if (command === 'download') {
download_backup_file();
}
});
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