content/browser/devtools/devtools_agent_host_impl.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_AGENT_HOST_IMPL_H_
   6 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "content/browser/devtools/devtools_io_context.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/devtools_messages.h"
  14 #include "content/public/browser/devtools_agent_host.h"
  15
  16 namespace IPC {
  17 class Message;
  18 }
  19
  20 namespace content {
  21
  22 class BrowserContext;
  23
  24 // Describes interface for managing devtools agents from the browser process.
  25 class CONTENT_EXPORT DevToolsAgentHostImpl : public DevToolsAgentHost {
  26  public:
  27   // Informs the hosted agent that a client host has attached.
  28   virtual void Attach() = 0;
  29
  30   // Informs the hosted agent that a client host has detached.
  31   virtual void Detach() = 0;
  32
  33   // Opens the inspector for this host.
  34   void Inspect(BrowserContext* browser_context);
  35
  36   // DevToolsAgentHost implementation.
  37   void AttachClient(DevToolsAgentHostClient* client) override;
  38   void DetachClient() override;
  39   bool IsAttached() override;
  40   void InspectElement(int x, int y) override;
  41   std::string GetId() override;
  42   BrowserContext* GetBrowserContext() override;
  43   WebContents* GetWebContents() override;
  44   void DisconnectWebContents() override;
  45   void ConnectWebContents(WebContents* wc) override;
  46
  47  protected:
  48   DevToolsAgentHostImpl();
  49   ~DevToolsAgentHostImpl() override;
  50
  51   void HostClosed();
  52   void SendMessageToClient(const std::string& message);
  53   devtools::DevToolsIOContext* GetIOContext() { return &io_context_; }
  54
  55   static void NotifyCallbacks(DevToolsAgentHostImpl* agent_host, bool attached);
  56
  57  private:
  58   friend class DevToolsAgentHost; // for static methods
  59   void InnerDetach();
  60
  61   const std::string id_;
  62   DevToolsAgentHostClient* client_;
  63   devtools::DevToolsIOContext io_context_;
  64 };
  65
  66 class DevToolsMessageChunkProcessor {
  67  public:
  68   using SendMessageCallback = base::Callback<void(const std::string&)>;
  69   explicit DevToolsMessageChunkProcessor(const SendMessageCallback& callback);
  70   ~DevToolsMessageChunkProcessor();
  71
  72   std::string state_cookie() const { return state_cookie_; }
  73   void set_state_cookie(const std::string& cookie) { state_cookie_ = cookie; }
  74   int last_call_id() const { return last_call_id_; }
  75   void ProcessChunkedMessageFromAgent(const DevToolsMessageChunk& chunk);
  76
  77  private:
  78   SendMessageCallback callback_;
  79   std::string message_buffer_;
  80   uint32 message_buffer_size_;
  81   std::string state_cookie_;
  82   int last_call_id_;
  83 };
  84
  85 }  // namespace content
  86
  87 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_AGENT_HOST_IMPL_H_