content/browser/devtools/devtools_tracing_handler.h

   1 // Copyright (c) 2012 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 CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_
   6 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "base/memory/weak_ptr.h"
  12 #include "content/browser/devtools/devtools_protocol.h"
  13 #include "content/public/browser/tracing_controller.h"
  14
  15 namespace base {
  16 class RefCountedString;
  17 class Timer;
  18 }
  19
  20 namespace content {
  21
  22 // This class bridges DevTools remote debugging server with the trace
  23 // infrastructure.
  24 class DevToolsTracingHandler : public DevToolsProtocol::Handler {
  25  public:
  26   enum Target { Browser, Renderer };
  27   explicit DevToolsTracingHandler(Target target);
  28   virtual ~DevToolsTracingHandler();
  29
  30   void OnClientDetached();
  31
  32  private:
  33   void BeginReadingRecordingResult(const base::FilePath& path);
  34   void ReadRecordingResult(const scoped_refptr<base::RefCountedString>& result);
  35   void OnTraceDataCollected(const std::string& trace_fragment);
  36   void OnTracingStarted(scoped_refptr<DevToolsProtocol::Command> command);
  37   void OnBufferUsage(float usage);
  38
  39   scoped_refptr<DevToolsProtocol::Response> OnStart(
  40       scoped_refptr<DevToolsProtocol::Command> command);
  41   scoped_refptr<DevToolsProtocol::Response> OnEnd(
  42       scoped_refptr<DevToolsProtocol::Command> command);
  43
  44   scoped_refptr<DevToolsProtocol::Response> OnGetCategories(
  45       scoped_refptr<DevToolsProtocol::Command> command);
  46   void OnCategoriesReceived(scoped_refptr<DevToolsProtocol::Command> command,
  47                             const std::set<std::string>& category_set);
  48
  49   TracingController::Options TraceOptionsFromString(const std::string& options);
  50
  51   void DisableRecording(
  52       const TracingController::TracingFileResultCallback& callback =
  53           TracingController::TracingFileResultCallback());
  54
  55   base::WeakPtrFactory<DevToolsTracingHandler> weak_factory_;
  56   scoped_ptr<base::Timer> buffer_usage_poll_timer_;
  57   Target target_;
  58   DISALLOW_COPY_AND_ASSIGN(DevToolsTracingHandler);
  59 };
  60
  61 }  // namespace content
  62
  63 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACING_HANDLER_H_