| // 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/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/common/quota/quota_types.h" |
| |
| namespace content { |
| class PepperFileSystemBrowserHost; |
| |
| class PepperFileIOHost : public ppapi::host::ResourceHost, |
| public base::SupportsWeakPtr<PepperFileIOHost> { |
| public: |
| typedef base::Callback<void (base::PlatformFileError)> |
| NotifyCloseFileCallback; |
| |
| 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; |
| |
| // Direct access for PepperFileSystemBrowserHost. |
| int64_t max_written_offset() const { return max_written_offset_; } |
| void set_max_written_offset(int64_t max_written_offset) { |
| max_written_offset_ = max_written_offset; |
| } |
| |
| struct UIThreadStuff { |
| UIThreadStuff(); |
| ~UIThreadStuff(); |
| base::ProcessId resolved_render_process_id; |
| scoped_refptr<fileapi::FileSystemContext> file_system_context; |
| }; |
| private: |
| 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); |
| 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( |
| ppapi::host::ReplyMessageContext reply_context, |
| base::PlatformFileError error_code); |
| void ExecutePlatformOpenFileCallback( |
| ppapi::host::ReplyMessageContext reply_context, |
| base::PlatformFileError error_code, |
| base::PassPlatformFile file, |
| bool unused_created); |
| void ExecutePlatformWriteCallback( |
| ppapi::host::ReplyMessageContext reply_context, |
| base::PlatformFileError error_code, |
| int bytes_written); |
| |
| void GotUIThreadStuffForInternalFileSystems( |
| ppapi::host::ReplyMessageContext reply_context, |
| int platform_file_flags, |
| UIThreadStuff ui_thread_stuff); |
| void DidOpenInternalFile( |
| ppapi::host::ReplyMessageContext reply_context, |
| base::PlatformFileError result, |
| base::PlatformFile file, |
| const base::Closure& on_close_callback); |
| void GotResolvedRenderProcessId( |
| ppapi::host::ReplyMessageContext reply_context, |
| base::FilePath path, |
| int platform_file_flags, |
| base::ProcessId resolved_render_process_id); |
| |
| void DidOpenQuotaFile(ppapi::host::ReplyMessageContext reply_context, |
| base::PlatformFile file, |
| int64_t max_written_offset); |
| void GotWriteQuota(ppapi::host::ReplyMessageContext reply_context, |
| int64_t offset, |
| const std::string& buffer, |
| int32_t granted); |
| void GotSetLengthQuota(ppapi::host::ReplyMessageContext reply_context, |
| int64_t length, |
| int32_t granted); |
| bool CallWrite(ppapi::host::ReplyMessageContext reply_context, |
| int64_t offset, |
| const std::string& buffer); |
| bool CallSetLength(ppapi::host::ReplyMessageContext reply_context, |
| int64_t length); |
| |
| 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_; |
| int32_t open_flags_; |
| |
| // 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_; |
| base::WeakPtr<PepperFileSystemBrowserHost> file_system_host_; |
| |
| // Used to check if we can pass file handle to plugins. |
| quota::QuotaLimitType quota_policy_; |
| |
| // Valid only for PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}. |
| scoped_refptr<fileapi::FileSystemContext> file_system_context_; |
| fileapi::FileSystemURL file_system_url_; |
| base::Closure on_close_callback_; |
| int64_t max_written_offset_; |
| bool check_quota_; |
| |
| ppapi::FileIOStateManager state_manager_; |
| |
| 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_ |