| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_RENDERER_PEPPER_PEPPER_BROWSER_CONNECTION_H_ |
| #define CONTENT_RENDERER_PEPPER_PEPPER_BROWSER_CONNECTION_H_ |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/files/file_path.h" |
| #include "content/public/renderer/render_view_observer.h" |
| #include "content/public/renderer/render_view_observer_tracker.h" |
| #include "ppapi/c/pp_file_info.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi/c/pp_resource.h" |
| #include "ppapi/shared_impl/file_ref_detailed_info.h" |
| |
| namespace content { |
| |
| // This class represents a connection from the renderer to the browser for |
| // sending/receiving pepper ResourceHost related messages. When the browser |
| // and renderer communicate about ResourceHosts, they should pass the plugin |
| // process ID to identify which plugin they are talking about. |
| class PepperBrowserConnection |
| : public RenderViewObserver, |
| public RenderViewObserverTracker<PepperBrowserConnection> { |
| public: |
| typedef base::Callback<void(int)> PendingResourceIDCallback; |
| typedef base::Callback<void( |
| const std::vector<ppapi::FileRefDetailedInfo>&)> FileRefGetInfoCallback; |
| |
| explicit PepperBrowserConnection(RenderView* render_view); |
| virtual ~PepperBrowserConnection(); |
| |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| |
| // TODO(teravest): Instead of having separate methods per message, we should |
| // add generic functionality similar to PluginResource::Call(). |
| |
| // Sends a request to the browser to create a ResourceHost for the given |
| // |instance| of a plugin identified by |child_process_id|. |callback| will be |
| // run when a reply is received with the pending resource ID. |
| void SendBrowserCreate(PP_Instance instance, |
| int child_process_id, |
| const IPC::Message& create_message, |
| const PendingResourceIDCallback& callback); |
| |
| // Sends a request to the browser to get information about the given FileRef |
| // |resource|. |callback| will be run when a reply is received with the |
| // file information. |
| void SendBrowserFileRefGetInfo(int child_process_id, |
| const std::vector<PP_Resource>& resource, |
| const FileRefGetInfoCallback& callback); |
| |
| // Called when the renderer creates an in-process instance. |
| void DidCreateInProcessInstance(PP_Instance instance, |
| int render_view_id, |
| const GURL& document_url, |
| const GURL& plugin_url); |
| |
| // Called when the renderer deletes an in-process instance. |
| void DidDeleteInProcessInstance(PP_Instance instance); |
| |
| private: |
| // Message handlers. |
| void OnMsgCreateResourceHostFromHostReply(int32_t sequence_number, |
| int pending_resource_host_id); |
| void OnMsgFileRefGetInfoReply( |
| int32_t sequence_number, |
| const std::vector<ppapi::FileRefDetailedInfo>& infos); |
| |
| // Return the next sequence number. |
| int32_t GetNextSequence(); |
| |
| // Sequence number to track pending callbacks. |
| int32_t next_sequence_number_; |
| |
| // Maps a sequence number to the callback to be run. |
| std::map<int32_t, PendingResourceIDCallback> pending_create_map_; |
| std::map<int32_t, FileRefGetInfoCallback> get_info_map_; |
| DISALLOW_COPY_AND_ASSIGN(PepperBrowserConnection); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_PEPPER_PEPPER_BROWSER_CONNECTION_H_ |