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| 1 // Copyright (c) 2012 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_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_ | |
| 6 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/callback_forward.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "base/platform_file.h" | |
| 14 #include "content/public/renderer/renderer_ppapi_host.h" | |
| 15 #include "ipc/ipc_listener.h" | |
| 16 #include "ipc/ipc_platform_file.h" | |
| 17 #include "ppapi/c/pp_file_info.h" | |
| 18 #include "ppapi/c/pp_time.h" | |
| 19 #include "ppapi/host/host_message_context.h" | |
| 20 #include "ppapi/host/resource_host.h" | |
| 21 #include "ppapi/shared_impl/file_io_state_manager.h" | |
| 22 #include "url/gurl.h" | |
| 23 #include "webkit/common/quota/quota_types.h" | |
| 24 | |
| 25 using ppapi::host::ReplyMessageContext; | |
| 26 | |
| 27 namespace content { | |
| 28 class QuotaFileIO; | |
| 29 | |
| 30 class PepperFileIOHost : public ppapi::host::ResourceHost, | |
| 31 public base::SupportsWeakPtr<PepperFileIOHost>, | |
| 32 public IPC::Listener { | |
| 33 public: | |
| 34 typedef base::Callback<void (base::PlatformFileError)> | |
| 35 NotifyCloseFileCallback; | |
| 36 | |
| 37 PepperFileIOHost(RendererPpapiHost* host, | |
| 38 PP_Instance instance, | |
| 39 PP_Resource resource); | |
| 40 virtual ~PepperFileIOHost(); | |
| 41 | |
| 42 // ppapi::host::ResourceHost override. | |
| 43 virtual int32_t OnResourceMessageReceived( | |
| 44 const IPC::Message& msg, | |
| 45 ppapi::host::HostMessageContext* context) OVERRIDE; | |
| 46 | |
| 47 private: | |
| 48 // IPC::Listener implementation. | |
| 49 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | |
| 50 | |
| 51 void OnAsyncFileOpened( | |
| 52 base::PlatformFileError error_code, | |
| 53 IPC::PlatformFileForTransit file_for_transit); | |
| 54 | |
| 55 int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context, | |
| 56 PP_Resource file_ref_resource, | |
| 57 int32_t open_flags); | |
| 58 int32_t OnHostMsgTouch(ppapi::host::HostMessageContext* context, | |
| 59 PP_Time last_access_time, | |
| 60 PP_Time last_modified_time); | |
| 61 int32_t OnHostMsgWrite(ppapi::host::HostMessageContext* context, | |
| 62 int64_t offset, | |
| 63 const std::string& buffer); | |
| 64 int32_t OnHostMsgSetLength(ppapi::host::HostMessageContext* context, | |
| 65 int64_t length); | |
| 66 int32_t OnHostMsgClose(ppapi::host::HostMessageContext* context); | |
| 67 int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context); | |
| 68 // Private API. | |
| 69 int32_t OnHostMsgRequestOSFileHandle( | |
| 70 ppapi::host::HostMessageContext* context); | |
| 71 | |
| 72 // Callback handlers. These mostly convert the PlatformFileError to the | |
| 73 // PP_Error code and send back the reply. Note that the argument | |
| 74 // ReplyMessageContext is copied so that we have a closure containing all | |
| 75 // necessary information to reply. | |
| 76 void ExecutePlatformGeneralCallback(ReplyMessageContext reply_context, | |
| 77 base::PlatformFileError error_code); | |
| 78 void ExecutePlatformOpenFileCallback(ReplyMessageContext reply_context, | |
| 79 base::PlatformFileError error_code, | |
| 80 base::PassPlatformFile file); | |
| 81 void ExecutePlatformOpenFileSystemURLCallback( | |
| 82 ReplyMessageContext reply_context, | |
| 83 base::PlatformFileError error_code, | |
| 84 base::PassPlatformFile file, | |
| 85 quota::QuotaLimitType quota_policy, | |
| 86 const NotifyCloseFileCallback& callback); | |
| 87 void ExecutePlatformQueryCallback(ReplyMessageContext reply_context, | |
| 88 base::PlatformFileError error_code, | |
| 89 const base::PlatformFileInfo& file_info); | |
| 90 void ExecutePlatformReadCallback(ReplyMessageContext reply_context, | |
| 91 base::PlatformFileError error_code, | |
| 92 const char* data, int bytes_read); | |
| 93 void ExecutePlatformWriteCallback(ReplyMessageContext reply_context, | |
| 94 base::PlatformFileError error_code, | |
| 95 int bytes_written); | |
| 96 | |
| 97 RendererPpapiHost* renderer_ppapi_host_; | |
| 98 base::PlatformFile file_; | |
| 99 | |
| 100 // The file system type specified in the Open() call. This will be | |
| 101 // PP_FILESYSTEMTYPE_INVALID before open was called. This value does not | |
| 102 // indicate that the open command actually succeeded. | |
| 103 PP_FileSystemType file_system_type_; | |
| 104 | |
| 105 // Valid only for PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}. | |
| 106 GURL file_system_url_; | |
| 107 | |
| 108 // Used to check if we can pass file handle to plugins. | |
| 109 quota::QuotaLimitType quota_policy_; | |
| 110 | |
| 111 // Callback function for notifying when the file handle is closed. | |
| 112 NotifyCloseFileCallback notify_close_file_callback_; | |
| 113 | |
| 114 // Pointer to a QuotaFileIO instance, which is valid only while a file | |
| 115 // of type PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY} is opened. | |
| 116 scoped_ptr<QuotaFileIO> quota_file_io_; | |
| 117 | |
| 118 int32_t open_flags_; | |
| 119 | |
| 120 ppapi::FileIOStateManager state_manager_; | |
| 121 | |
| 122 int routing_id_; | |
| 123 | |
| 124 base::Callback<void(base::PlatformFileError, base::PassPlatformFile)> | |
| 125 pending_open_callback_; | |
| 126 | |
| 127 base::WeakPtrFactory<PepperFileIOHost> weak_factory_; | |
| 128 | |
| 129 DISALLOW_COPY_AND_ASSIGN(PepperFileIOHost); | |
| 130 }; | |
| 131 | |
| 132 } // namespace content | |
| 133 | |
| 134 #endif // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_ | |
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Chromium Code Reviews
Issue 33053002:
Pepper: Move FileIO host from renderer to browser. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src