1// Copyright 2013 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#ifndef CHROME_RENDERER_EXTENSIONS_LOGGING_NATIVE_HANDLER_H_
6#define CHROME_RENDERER_EXTENSIONS_LOGGING_NATIVE_HANDLER_H_
7
8#include <string>
9
10#include "chrome/renderer/extensions/object_backed_native_handler.h"
11
12namespace extensions {
13
14// Exposes logging.h macros to JavaScript bindings.
15class LoggingNativeHandler : public ObjectBackedNativeHandler {
16 public:
17  explicit LoggingNativeHandler(ChromeV8Context* context);
18  virtual ~LoggingNativeHandler();
19
20  // Equivalent to CHECK(predicate) << message.
21  //
22  // void(predicate, message?)
23  void Check(const v8::FunctionCallbackInfo<v8::Value>& args);
24
25  // Equivalent to DCHECK(predicate) << message.
26  //
27  // void(predicate, message?)
28  void Dcheck(const v8::FunctionCallbackInfo<v8::Value>& args);
29
30  // Equivalent to DCHECK_IS_ON().
31  //
32  // bool()
33  void DcheckIsOn(const v8::FunctionCallbackInfo<v8::Value>& args);
34
35  // Equivalent to LOG(INFO) << message.
36  //
37  // void(message)
38  void Log(const v8::FunctionCallbackInfo<v8::Value>& args);
39
40  // Equivalent to LOG(WARNING) << message.
41  //
42  // void(message)
43  void Warning(const v8::FunctionCallbackInfo<v8::Value>& args);
44
45  void ParseArgs(const v8::FunctionCallbackInfo<v8::Value>& args,
46                 bool* check_value,
47                 std::string* error_message);
48
49  std::string ToStringOrDefault(const v8::Handle<v8::String>& v8_string,
50                                const std::string& dflt);
51};
52
53}  // namespace extensions
54
55#endif  // CHROME_RENDERER_EXTENSIONS_LOGGING_NATIVE_HANDLER_H_
56