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_ACTIVITY_LOG_CONVERTER_STRATEGY_H_ 6 #define EXTENSIONS_RENDERER_ACTIVITY_LOG_CONVERTER_STRATEGY_H_ 7 8 #include "base/compiler_specific.h" 9 #include "base/macros.h" 10 #include "content/public/renderer/v8_value_converter.h" 11 #include "v8/include/v8.h" 12 13 namespace extensions { 14 15 // This class is used by activity logger and extends behavior of 16 // V8ValueConverter. It overwrites conversion of V8 arrays and objects. When 17 // converting arrays and objects, we must not invoke any JS code which may 18 // result in triggering activity logger. In such case, the log entries will be 19 // generated due to V8 object conversion rather than extension activity. 20 class ActivityLogConverterStrategy 21 : public content::V8ValueConverter::Strategy { 22 public: 23 typedef content::V8ValueConverter::Strategy::FromV8ValueCallback 24 FromV8ValueCallback; 25 26 ActivityLogConverterStrategy(); 27 virtual ~ActivityLogConverterStrategy(); 28 29 // content::V8ValueConverter::Strategy implementation. 30 virtual bool FromV8Object(v8::Handle<v8::Object> value, 31 base::Value** out, 32 v8::Isolate* isolate, 33 const FromV8ValueCallback& callback) const OVERRIDE; 34 virtual bool FromV8Array(v8::Handle<v8::Array> value, 35 base::Value** out, 36 v8::Isolate* isolate, 37 const FromV8ValueCallback& callback) const OVERRIDE; 38 set_enable_detailed_parsing(bool enable_detailed_parsing)39 void set_enable_detailed_parsing(bool enable_detailed_parsing) { 40 enable_detailed_parsing_ = enable_detailed_parsing; 41 } 42 43 private: 44 bool FromV8Internal(v8::Handle<v8::Object> value, 45 base::Value** out, 46 v8::Isolate* isolate, 47 const FromV8ValueCallback& callback) const; 48 49 // Whether or not to extract a detailed value from the passed in objects. We 50 // do this when we need more information about the arguments in order to 51 // determine, e.g., if an ad was injected. 52 bool enable_detailed_parsing_; 53 54 DISALLOW_COPY_AND_ASSIGN(ActivityLogConverterStrategy); 55 }; 56 57 } // namespace extensions 58 59 #endif // EXTENSIONS_RENDERER_ACTIVITY_LOG_CONVERTER_STRATEGY_H_ 60