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