1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5var attachedTabs = {};
6var version = "1.0";
7
8chrome.debugger.onEvent.addListener(onEvent);
9chrome.debugger.onDetach.addListener(onDetach);
10
11chrome.browserAction.onClicked.addListener(function(tab) {
12  var tabId = tab.id;
13  var debuggeeId = {tabId:tabId};
14
15  if (attachedTabs[tabId] == "pausing")
16    return;
17
18  if (!attachedTabs[tabId])
19    chrome.debugger.attach(debuggeeId, version, onAttach.bind(null, debuggeeId));
20  else if (attachedTabs[tabId])
21    chrome.debugger.detach(debuggeeId, onDetach.bind(null, debuggeeId));
22});
23
24function onAttach(debuggeeId) {
25  if (chrome.runtime.lastError) {
26    alert(chrome.runtime.lastError.message);
27    return;
28  }
29
30  var tabId = debuggeeId.tabId;
31  chrome.browserAction.setIcon({tabId: tabId, path:"debuggerPausing.png"});
32  chrome.browserAction.setTitle({tabId: tabId, title:"Pausing JavaScript"});
33  attachedTabs[tabId] = "pausing";
34  chrome.debugger.sendCommand(
35      debuggeeId, "Debugger.enable", {},
36      onDebuggerEnabled.bind(null, debuggeeId));
37}
38
39function onDebuggerEnabled(debuggeeId) {
40  chrome.debugger.sendCommand(debuggeeId, "Debugger.pause");
41}
42
43function onEvent(debuggeeId, method) {
44  var tabId = debuggeeId.tabId;
45  if (method == "Debugger.paused") {
46    attachedTabs[tabId] = "paused";
47    chrome.browserAction.setIcon({tabId:tabId, path:"debuggerContinue.png"});
48    chrome.browserAction.setTitle({tabId:tabId, title:"Resume JavaScript"});
49  }
50}
51
52function onDetach(debuggeeId) {
53  var tabId = debuggeeId.tabId;
54  delete attachedTabs[tabId];
55  chrome.browserAction.setIcon({tabId:tabId, path:"debuggerPause.png"});
56  chrome.browserAction.setTitle({tabId:tabId, title:"Pause JavaScript"});
57}
58