content/browser/renderer_host/pepper/pepper_renderer_connection.h

   1 // Copyright 2013 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_RENDERER_HOST_PEPPER_PEPPER_RENDERER_CONNECTION_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_RENDERER_CONNECTION_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "content/public/browser/browser_message_filter.h"
  14 #include "ppapi/c/pp_instance.h"
  15 #include "ppapi/c/pp_resource.h"
  16
  17 class GURL;
  18
  19 namespace ppapi {
  20 namespace proxy {
  21 class ResourceMessageCallParams;
  22 }
  23 }
  24
  25 namespace content {
  26
  27 class BrowserPpapiHostImpl;
  28 struct PepperRendererInstanceData;
  29
  30 // This class represents a connection from the browser to the renderer for
  31 // sending/receiving pepper ResourceHost related messages. When the browser
  32 // and renderer communicate about ResourceHosts, they should pass the plugin
  33 // process ID to identify which plugin they are talking about.
  34 class PepperRendererConnection : public BrowserMessageFilter {
  35  public:
  36   explicit PepperRendererConnection(int render_process_id);
  37
  38   // BrowserMessageFilter overrides.
  39   bool OnMessageReceived(const IPC::Message& msg) override;
  40
  41  private:
  42   ~PepperRendererConnection() override;
  43
  44   // Returns the host for the child process for the given |child_process_id|.
  45   // If |child_process_id| is 0, returns the host owned by this
  46   // PepperRendererConnection, which serves as the host for in-process plugins.
  47   BrowserPpapiHostImpl* GetHostForChildProcess(int child_process_id) const;
  48
  49   void OnMsgCreateResourceHostsFromHost(
  50       int routing_id,
  51       int child_process_id,
  52       const ppapi::proxy::ResourceMessageCallParams& params,
  53       PP_Instance instance,
  54       const std::vector<IPC::Message>& nested_msgs);
  55
  56   void OnMsgDidCreateInProcessInstance(
  57       PP_Instance instance,
  58       const PepperRendererInstanceData& instance_data);
  59   void OnMsgDidDeleteInProcessInstance(PP_Instance instance);
  60
  61   int render_process_id_;
  62
  63   // We have a single BrowserPpapiHost per-renderer for all in-process plugins
  64   // running. This is just a work-around allowing new style resources to work
  65   // with the browser when running in-process but it means that plugin-specific
  66   // information (like the plugin name) won't be available.
  67   scoped_ptr<BrowserPpapiHostImpl> in_process_host_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(PepperRendererConnection);
  70 };
  71
  72 }  // namespace content
  73
  74 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_RENDERER_CONNECTION_H_