chrome/renderer/extensions/activity_log_converter_strategy.h

   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_ACTIVITY_LOG_CONVERTER_STRATEGY_H_
   6 #define CHROME_RENDERER_EXTENSIONS_ACTIVITY_LOG_CONVERTER_STRATEGY_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "content/public/renderer/v8_value_converter.h"
  10 #include "v8/include/v8.h"
  11
  12 namespace extensions {
  13
  14 // This class is used by activity logger and extends behavior of
  15 // V8ValueConverter. It overwrites conversion of V8 arrays and objects.  When
  16 // converting arrays and objects, we must not invoke any JS code which may
  17 // result in triggering activity logger. In such case, the log entries will be
  18 // generated due to V8 object conversion rather than extension activity.
  19 class ActivityLogConverterStrategy
  20     : public content::V8ValueConverter::Strategy {
  21  public:
  22   virtual ~ActivityLogConverterStrategy() {}
  23
  24   virtual bool FromV8Object(v8::Handle<v8::Object> value,
  25                             base::Value** out,
  26                             v8::Isolate* isolate) const OVERRIDE;
  27   virtual bool FromV8Array(v8::Handle<v8::Array> value,
  28                            base::Value** out,
  29                            v8::Isolate* isolate) const OVERRIDE;
  30
  31  private:
  32   bool FromV8ObjectInternal(v8::Handle<v8::Object> value,
  33                             base::Value** out,
  34                             v8::Isolate* isolate) const;
  35 };
  36
  37 }  // namespace extensions
  38
  39 #endif  // CHROME_RENDERER_EXTENSIONS_ACTIVITY_LOG_CONVERTER_STRATEGY_H_