| // Copyright (c) 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_SYSTEM_HOST_H_ |
| #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/files/file.h" |
| #include "base/memory/weak_ptr.h" |
| #include "ppapi/c/pp_file_info.h" |
| #include "ppapi/c/private/ppb_isolated_file_system_private.h" |
| #include "ppapi/host/host_message_context.h" |
| #include "ppapi/host/resource_host.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| |
| class RendererPpapiHost; |
| |
| class PepperFileSystemHost |
| : public ppapi::host::ResourceHost, |
| public base::SupportsWeakPtr<PepperFileSystemHost> { |
| public: |
| // Creates a new PepperFileSystemHost for a file system of a given |type|. The |
| // host will not be connected to any specific file system, and will need to |
| // subsequently be opened before use. |
| PepperFileSystemHost(RendererPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource, |
| PP_FileSystemType type); |
| // Creates a new PepperFileSystemHost with an existing file system at the |
| // given |root_url| and of the given |type|. The file system must already be |
| // opened. Once created, the PepperFileSystemHost is already opened for use. |
| PepperFileSystemHost(RendererPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource, |
| const GURL& root_url, |
| PP_FileSystemType type); |
| ~PepperFileSystemHost() override; |
| |
| // ppapi::host::ResourceHost override. |
| int32_t OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) override; |
| bool IsFileSystemHost() override; |
| |
| // Supports FileRefs direct access on the host side. |
| PP_FileSystemType GetType() const { return type_; } |
| bool IsOpened() const { return opened_; } |
| GURL GetRootUrl() const { return root_url_; } |
| |
| private: |
| // Callback for OpenFileSystem. |
| void DidOpenFileSystem(const std::string& name_unused, const GURL& root); |
| void DidFailOpenFileSystem(base::File::Error error); |
| |
| int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context, |
| int64_t expected_size); |
| int32_t OnHostMsgInitIsolatedFileSystem( |
| ppapi::host::HostMessageContext* context, |
| const std::string& fsid, |
| PP_IsolatedFileSystemType_Private type); |
| |
| RendererPpapiHost* renderer_ppapi_host_; |
| ppapi::host::ReplyMessageContext reply_context_; |
| |
| PP_FileSystemType type_; |
| bool opened_; // whether open is successful. |
| GURL root_url_; |
| bool called_open_; // whether open has been called. |
| |
| base::WeakPtrFactory<PepperFileSystemHost> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PepperFileSystemHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_ |