1// Copyright (c) 2010 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
5#include "chrome/browser/extensions/extension_devtools_events.h"
6
7#include <vector>
8
9#include "base/string_number_conversions.h"
10#include "base/string_split.h"
11#include "base/string_util.h"
12#include "base/stringprintf.h"
13
14// These string constants and the formats used in this file must stay
15// in sync with chrome/renderer/resources/extension_process_bindings.js
16static const char kDevToolsEventPrefix[] = "devtools.";
17static const char kOnPageEventName[] = "onPageEvent";
18static const char kOnTabCloseEventName[] = "onTabClose";
19
20// static
21bool ExtensionDevToolsEvents::IsDevToolsEventName(
22    const std::string& event_name, int* tab_id) {
23  // We only care about events of the form "devtools.34.*", where 34 is
24  // a tab id.
25  if (IsStringASCII(event_name) &&
26      StartsWithASCII(event_name,
27                      kDevToolsEventPrefix,
28                      true /* case_sensitive */)) {
29    // At this point we want something like "4.onPageEvent"
30    std::vector<std::string> parts;
31    base::SplitString(
32        event_name.substr(strlen(kDevToolsEventPrefix)), '.', &parts);
33    if (parts.size() == 2 && base::StringToInt(parts[0], tab_id)) {
34      return true;
35    }
36  }
37  return false;
38}
39
40// static
41std::string ExtensionDevToolsEvents::OnPageEventNameForTab(int tab_id) {
42  return base::StringPrintf("%s%d.%s",
43                            kDevToolsEventPrefix,
44                            tab_id,
45                            kOnPageEventName);
46}
47
48// static
49std::string ExtensionDevToolsEvents::OnTabCloseEventNameForTab(int tab_id) {
50  return base::StringPrintf("%s%d.%s",
51                            kDevToolsEventPrefix,
52                            tab_id,
53                            kOnTabCloseEventName);
54}
55
56