Pepper: Move FileIO host from renderer to browser.

content/browser/renderer_host/pepper/pepper_file_io_host.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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_FILE_IO_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "base/platform_file.h"
-#include "content/public/renderer/renderer_ppapi_host.h"
+#include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/resource_host.h"
 #include "ppapi/shared_impl/file_io_state_manager.h"
 #include "url/gurl.h"
+#include "webkit/browser/fileapi/file_system_context.h"
+#include "webkit/browser/fileapi/file_system_operation_runner.h"
 #include "webkit/common/quota/quota_types.h"
 
 using ppapi::host::ReplyMessageContext;
 
 namespace content {
 class QuotaFileIO;
 
 class PepperFileIOHost : public ppapi::host::ResourceHost,
-                         public base::SupportsWeakPtr<PepperFileIOHost>,
-                         public IPC::Listener {
+                         public base::SupportsWeakPtr<PepperFileIOHost> {
  public:
   typedef base::Callback<void (base::PlatformFileError)>
       NotifyCloseFileCallback;
 
-  PepperFileIOHost(RendererPpapiHost* host,
+  PepperFileIOHost(BrowserPpapiHostImpl* host,
                    PP_Instance instance,
                    PP_Resource resource);
   virtual ~PepperFileIOHost();
 
   // ppapi::host::ResourceHost override.
   virtual int32_t OnResourceMessageReceived(
       const IPC::Message& msg,
       ppapi::host::HostMessageContext* context) OVERRIDE;
 
+  struct UIThreadStuff {
+    UIThreadStuff();
+    ~UIThreadStuff();
+    base::ProcessId resolved_render_process_id;
+    scoped_refptr<fileapi::FileSystemContext> file_system_context;
+  };
  private:
-  // IPC::Listener implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  void OnAsyncFileOpened(
-      base::PlatformFileError error_code,
-      IPC::PlatformFileForTransit file_for_transit);
-
   int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
                         PP_Resource file_ref_resource,
                         int32_t open_flags);
   int32_t OnHostMsgTouch(ppapi::host::HostMessageContext* context,
                          PP_Time last_access_time,
                          PP_Time last_modified_time);
   int32_t OnHostMsgWrite(ppapi::host::HostMessageContext* context,
                          int64_t offset,
                          const std::string& buffer);
   int32_t OnHostMsgSetLength(ppapi::host::HostMessageContext* context,
                              int64_t length);
   int32_t OnHostMsgClose(ppapi::host::HostMessageContext* context);
   int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
-  // Private API.
   int32_t OnHostMsgRequestOSFileHandle(
       ppapi::host::HostMessageContext* context);
 
+  void GotPluginAllowedToCallRequestOSFileHandle(
+      ppapi::host::ReplyMessageContext reply_context,
+      bool plugin_allowed);
+
   // Callback handlers. These mostly convert the PlatformFileError to the
   // PP_Error code and send back the reply. Note that the argument
   // ReplyMessageContext is copied so that we have a closure containing all
   // necessary information to reply.
   void ExecutePlatformGeneralCallback(ReplyMessageContext reply_context,
                                       base::PlatformFileError error_code);
   void ExecutePlatformOpenFileCallback(ReplyMessageContext reply_context,
                                        base::PlatformFileError error_code,
-                                       base::PassPlatformFile file);
-  void ExecutePlatformOpenFileSystemURLCallback(
-      ReplyMessageContext reply_context,
-      base::PlatformFileError error_code,
-      base::PassPlatformFile file,
-      quota::QuotaLimitType quota_policy,
-      const NotifyCloseFileCallback& callback);
-  void ExecutePlatformQueryCallback(ReplyMessageContext reply_context,
-                                    base::PlatformFileError error_code,
-                                    const base::PlatformFileInfo& file_info);
-  void ExecutePlatformReadCallback(ReplyMessageContext reply_context,
-                                   base::PlatformFileError error_code,
-                                   const char* data, int bytes_read);
+                                       base::PassPlatformFile file,
+                                       bool unused_created);
   void ExecutePlatformWriteCallback(ReplyMessageContext reply_context,
                                     base::PlatformFileError error_code,
                                     int bytes_written);
 
-  RendererPpapiHost* renderer_ppapi_host_;
+  void GotUIThreadStuffForInternalFileSystems(
+      ReplyMessageContext reply_context,
+      int platform_file_flags,
+      UIThreadStuff ui_thread_stuff);
+  void DidOpenInternalFile(
+      ReplyMessageContext reply_context,
+      base::PlatformFileError result,
+      base::PlatformFile file,
+      const base::Closure& on_close_callback);
+  void GotResolvedRenderProcessId(
+      ReplyMessageContext reply_context,
+      base::FilePath path,
+      int platform_file_flags,
+      base::ProcessId resolved_render_process_id);
+
+  void DidCloseFile(base::PlatformFileError error);
+
+  // Adds file_ to |reply_context| with the specified |open_flags|.
+  bool AddFileToReplyContext(
+      int32_t open_flags,
+      ppapi::host::ReplyMessageContext* reply_context) const;
+
+  BrowserPpapiHostImpl* browser_ppapi_host_;
+
+  RenderProcessHost* render_process_host_;
+  int render_process_id_;
+  base::ProcessId resolved_render_process_id_;
+
   base::PlatformFile file_;
 
   // The file system type specified in the Open() call. This will be
   // PP_FILESYSTEMTYPE_INVALID before open was called. This value does not
   // indicate that the open command actually succeeded.
   PP_FileSystemType file_system_type_;
 
   // Valid only for PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}.
-  GURL file_system_url_;
+  scoped_refptr<fileapi::FileSystemContext> file_system_context_;
+  scoped_ptr<fileapi::FileSystemOperationRunner> file_system_operation_runner_;
+  fileapi::FileSystemURL file_system_url_;
+  base::Closure on_close_callback_;
 
   // Used to check if we can pass file handle to plugins.
   quota::QuotaLimitType quota_policy_;
 
-  // Callback function for notifying when the file handle is closed.
-  NotifyCloseFileCallback notify_close_file_callback_;
-
   // Pointer to a QuotaFileIO instance, which is valid only while a file
   // of type PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY} is opened.
   scoped_ptr<QuotaFileIO> quota_file_io_;
 
   int32_t open_flags_;
 
   ppapi::FileIOStateManager state_manager_;
 
-  int routing_id_;
-
-  base::Callback<void(base::PlatformFileError, base::PassPlatformFile)>
-      pending_open_callback_;
+  scoped_refptr<base::MessageLoopProxy> file_message_loop_;
 
   base::WeakPtrFactory<PepperFileIOHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperFileIOHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_