extension_devtools_events.cc revision c407dc5cd9bdc5668497f21b26b09d988ab439de 
1// Copyright (c) 2009 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_util.h"
10
11// These string constants and the formats used in this file must stay
12// in sync with chrome/renderer/resources/extension_process_bindings.js
13static const char kDevToolsEventPrefix[] = "devtools.";
14static const char kOnPageEventName[] = "onPageEvent";
15static const char kOnTabCloseEventName[] = "onTabClose";
16
17// static
18bool ExtensionDevToolsEvents::IsDevToolsEventName(
19    const std::string& event_name, int* tab_id) {
20  // We only care about events of the form "devtools.34.*", where 34 is
21  // a tab id.
22  if (IsStringASCII(event_name) &&
23      StartsWithASCII(event_name,
24                      kDevToolsEventPrefix,
25                      true /* case_sensitive */)) {
26    // At this point we want something like "4.onPageEvent"
27    std::vector<std::string> parts;
28    SplitString(event_name.substr(strlen(kDevToolsEventPrefix)), '.', &parts);
29    if (parts.size() == 2 && StringToInt(parts[0], tab_id)) {
30      return true;
31    }
32  }
33  return false;
34}
35
36// static
37std::string ExtensionDevToolsEvents::OnPageEventNameForTab(int tab_id) {
38  return StringPrintf("%s%d.%s",
39                      kDevToolsEventPrefix,
40                      tab_id,
41                      kOnPageEventName);
42}
43
44// static
45std::string ExtensionDevToolsEvents::OnTabCloseEventNameForTab(int tab_id) {
46  return StringPrintf("%s%d.%s",
47                      kDevToolsEventPrefix,
48                      tab_id,
49                      kOnTabCloseEventName);
50}
51
52