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      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   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
     40 
     41  private:
     42   virtual ~PepperRendererConnection();
     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_
     75