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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_
#define EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
#include "extensions/renderer/object_backed_native_handler.h"
#include "v8/include/v8.h"
namespace base {
class ListValue;
}
namespace extensions {
// Used to log extension API calls and events that are implemented with custom
// bindings.The actions are sent via IPC to extensions::ActivityLog for
// recording and display.
class APIActivityLogger : public ObjectBackedNativeHandler {
public:
explicit APIActivityLogger(ScriptContext* context);
~APIActivityLogger() override;
// ObjectBackedNativeHandler:
void AddRoutes() override;
// Returns true if logging is enabled.
static bool IsLoggingEnabled();
// Notifies the browser that an API method has been called, if and only if
// activity logging is enabled.
static void LogAPICall(v8::Local<v8::Context> context,
const std::string& call_name,
const std::vector<v8::Local<v8::Value>>& arguments);
// Notifies the browser that an API event has been dispatched, if and only if
// activity logging is enabled.
static void LogEvent(ScriptContext* script_context,
const std::string& event_name,
std::unique_ptr<base::ListValue> arguments);
static void set_log_for_testing(bool log);
private:
// Used to distinguish API calls & events from each other in LogInternal.
enum CallType { APICALL, EVENT };
// This is ultimately invoked in bindings.js with JavaScript arguments.
// arg0 - extension ID as a string
// arg1 - API method/Event name as a string
// arg2 - arguments to the API call/event
// arg3 - any extra logging info as a string (optional)
// TODO(devlin): Does arg3 ever exist?
void LogForJS(const CallType call_type,
const v8::FunctionCallbackInfo<v8::Value>& args);
// Common implementation method for sending a logging IPC.
static void LogInternal(const CallType call_type,
const std::string& extension_id,
const std::string& call_name,
std::unique_ptr<base::ListValue> arguments,
const std::string& extra);
DISALLOW_COPY_AND_ASSIGN(APIActivityLogger);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_API_ACTIVITY_LOGGER_H_
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