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td.js
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td.js
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chrome.browserAction.onClicked.addListener(closeDuplicateTabsInCurrentWindow);
chrome.tabs.onUpdated.addListener(countDuplicateSiblings);
chrome.tabs.onRemoved.addListener(countDuplicateSiblings);
function closeDuplicateTabsInCurrentWindow()
{
chrome.tabs.getAllInWindow(null, closeDuplicateTabs);
}
function countDuplicateSiblings(tab)
{
chrome.tabs.getAllInWindow(tab.windowId, countDuplicateTabs);
}
function closeDuplicateTabs(tabs)
{
processDuplicates(tabs, new Closer());
updateDisplay(new Display());
}
function countDuplicateTabs(tabs)
{
var counter = new Counter();
processDuplicates(tabs, counter);
updateDisplay(new Display(counter));
}
function processDuplicates(tabs, implementation)
{
var processor = new DuplicateProcessor(implementation);
for (var index in tabs)
{
processor.process(tabs[index]);
}
}
function updateDisplay(display)
{
chrome.browserAction.setBadgeText({text: display.text});
chrome.browserAction.setTitle({title: display.title});
}
function DuplicateProcessor(implementation)
{
this.cache = new TabCache();
this.implementation = implementation;
this.process = function(tab)
{
var found = this.cache.exists(tab);
if (found)
{
implementation.execute(this.nonSelected(found, tab));
}
else
{
this.cache.remember(tab);
}
};
this.nonSelected = function(found, tab)
{
if (!found.selected)
{
this.cache.remember(tab);
return found;
}
if (!tab.selected)
{
return tab;
}
return null;
};
}
function Counter()
{
this.count = 0;
this.urls = "";
this.execute = function(tab)
{
this.count += 1;
this.urls += tab.url + '\n';
};
}
function Closer()
{
this.execute = function(tab)
{
chrome.tabs.remove(tab.id);
};
}
function TabCache()
{
this.tabs = [];
this.exists = function(tab)
{
return this.tabs[tab.url.toLowerCase()];
};
this.remember = function(tab)
{
this.tabs[tab.url.toLowerCase()] = tab;
};
}
function Display()
{
this.title = "Tab Dupectomy";
this.text = "";
}
function Display(counter)
{
this.title = counter.urls;
this.text = "";
if (counter.count != 0)
{
this.text = counter.count + '';
}
}