1// Copyright 2014 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 EXTENSIONS_RENDERER_LOGGING_NATIVE_HANDLER_H_
6#define EXTENSIONS_RENDERER_LOGGING_NATIVE_HANDLER_H_
7
8#include <string>
9
10#include "extensions/renderer/object_backed_native_handler.h"
11
12namespace extensions {
13class ScriptContext;
14
15// Exposes logging.h macros to JavaScript bindings.
16class LoggingNativeHandler : public ObjectBackedNativeHandler {
17 public:
18  explicit LoggingNativeHandler(ScriptContext* context);
19  virtual ~LoggingNativeHandler();
20
21  // Equivalent to CHECK(predicate) << message.
22  //
23  // void(predicate, message?)
24  void Check(const v8::FunctionCallbackInfo<v8::Value>& args);
25
26  // Equivalent to DCHECK(predicate) << message.
27  //
28  // void(predicate, message?)
29  void Dcheck(const v8::FunctionCallbackInfo<v8::Value>& args);
30
31  // Equivalent to DCHECK_IS_ON.
32  //
33  // bool()
34  void DcheckIsOn(const v8::FunctionCallbackInfo<v8::Value>& args);
35
36  // Equivalent to LOG(INFO) << message.
37  //
38  // void(message)
39  void Log(const v8::FunctionCallbackInfo<v8::Value>& args);
40
41  // Equivalent to LOG(WARNING) << message.
42  //
43  // void(message)
44  void Warning(const v8::FunctionCallbackInfo<v8::Value>& args);
45
46  void ParseArgs(const v8::FunctionCallbackInfo<v8::Value>& args,
47                 bool* check_value,
48                 std::string* error_message);
49
50  std::string ToStringOrDefault(const v8::Handle<v8::String>& v8_string,
51                                const std::string& dflt);
52};
53
54}  // namespace extensions
55
56#endif  // EXTENSIONS_RENDERER_LOGGING_NATIVE_HANDLER_H_
57