content/browser/devtools/worker_devtools_agent_host.h

   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 CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_
   6 #define CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_
   7
   8 #include "content/browser/devtools/devtools_agent_host_impl.h"
   9 #include "ipc/ipc_listener.h"
  10
  11 namespace content {
  12
  13 class BrowserContext;
  14 class DevToolsProtocolHandler;
  15 class SharedWorkerInstance;
  16
  17 class WorkerDevToolsAgentHost : public DevToolsAgentHostImpl,
  18                                 public IPC::Listener {
  19  public:
  20   typedef std::pair<int, int> WorkerId;
  21
  22   // DevToolsAgentHost override.
  23   BrowserContext* GetBrowserContext() override;
  24   bool DispatchProtocolMessage(const std::string& message) override;
  25
  26   // DevToolsAgentHostImpl overrides.
  27   void Attach() override;
  28   void Detach() override;
  29
  30   // IPC::Listener implementation.
  31   bool OnMessageReceived(const IPC::Message& msg) override;
  32
  33   void PauseForDebugOnStart();
  34   bool IsPausedForDebugOnStart();
  35
  36   void WorkerReadyForInspection();
  37   void WorkerRestarted(WorkerId worker_id);
  38   void WorkerDestroyed();
  39   bool IsTerminated();
  40
  41  protected:
  42   explicit WorkerDevToolsAgentHost(WorkerId worker_id);
  43   ~WorkerDevToolsAgentHost() override;
  44
  45   enum WorkerState {
  46     WORKER_UNINSPECTED,
  47     WORKER_INSPECTED,
  48     WORKER_TERMINATED,
  49     WORKER_PAUSED_FOR_DEBUG_ON_START,
  50     WORKER_PAUSED_FOR_REATTACH,
  51   };
  52
  53   virtual void OnAttachedStateChanged(bool attached);
  54   const WorkerId& worker_id() const { return worker_id_; }
  55
  56  private:
  57   friend class SharedWorkerDevToolsManagerTest;
  58
  59   void AttachToWorker();
  60   void DetachFromWorker();
  61   void WorkerCreated();
  62   void OnDispatchOnInspectorFrontend(const DevToolsMessageChunk& message);
  63
  64   scoped_ptr<DevToolsProtocolHandler> protocol_handler_;
  65   DevToolsMessageChunkProcessor chunk_processor_;
  66   WorkerState state_;
  67   WorkerId worker_id_;
  68   DISALLOW_COPY_AND_ASSIGN(WorkerDevToolsAgentHost);
  69 };
  70
  71 }  // namespace content
  72
  73 #endif  // CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_AGENT_HOST_H_