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
16 static const char kDevToolsEventPrefix[] = "devtools.";
17 static const char kOnPageEventName[] = "onPageEvent";
18 static const char kOnTabCloseEventName[] = "onTabClose";
19
20 // static
IsDevToolsEventName(const std::string & event_name,int * tab_id)21 bool 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
OnPageEventNameForTab(int tab_id)41 std::string ExtensionDevToolsEvents::OnPageEventNameForTab(int tab_id) {
42 return base::StringPrintf("%s%d.%s",
43 kDevToolsEventPrefix,
44 tab_id,
45 kOnPageEventName);
46 }
47
48 // static
OnTabCloseEventNameForTab(int tab_id)49 std::string ExtensionDevToolsEvents::OnTabCloseEventNameForTab(int tab_id) {
50 return base::StringPrintf("%s%d.%s",
51 kDevToolsEventPrefix,
52 tab_id,
53 kOnTabCloseEventName);
54 }
55
56