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// Copyright (c) 2010 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.
#include "webkit/glue/plugins/pepper_file_io.h"
#include "base/logging.h"
#include "third_party/ppapi/c/pp_completion_callback.h"
#include "third_party/ppapi/c/pp_errors.h"
#include "third_party/ppapi/c/ppb_file_io.h"
#include "third_party/ppapi/c/ppb_file_io_trusted.h"
#include "webkit/glue/plugins/pepper_file_ref.h"
#include "webkit/glue/plugins/pepper_plugin_module.h"
#include "webkit/glue/plugins/pepper_resource_tracker.h"
namespace pepper {
namespace {
PP_Resource Create(PP_Module module_id) {
PluginModule* module = PluginModule::FromPPModule(module_id);
if (!module)
return 0;
FileIO* file_io = new FileIO(module);
file_io->AddRef(); // AddRef for the caller.
return file_io->GetResource();
}
bool IsFileIO(PP_Resource resource) {
return !!Resource::GetAs<FileIO>(resource).get();
}
int32_t Open(PP_Resource file_io_id,
PP_Resource file_ref_id,
int32_t open_flags,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
scoped_refptr<FileRef> file_ref(Resource::GetAs<FileRef>(file_ref_id));
if (!file_ref.get())
return PP_Error_BadResource;
return file_io->Open(file_ref, open_flags, callback);
}
int32_t Query(PP_Resource file_io_id,
PP_FileInfo* info,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->Query(info, callback);
}
int32_t Touch(PP_Resource file_io_id,
PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->Touch(last_access_time, last_modified_time, callback);
}
int32_t Read(PP_Resource file_io_id,
int64_t offset,
char* buffer,
int32_t bytes_to_read,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->Read(offset, buffer, bytes_to_read, callback);
}
int32_t Write(PP_Resource file_io_id,
int64_t offset,
const char* buffer,
int32_t bytes_to_write,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->Write(offset, buffer, bytes_to_write, callback);
}
int32_t SetLength(PP_Resource file_io_id,
int64_t length,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->SetLength(length, callback);
}
int32_t Flush(PP_Resource file_io_id,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->Flush(callback);
}
void Close(PP_Resource file_io_id) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return;
file_io->Close();
}
const PPB_FileIO ppb_fileio = {
&Create,
&IsFileIO,
&Open,
&Query,
&Touch,
&Read,
&Write,
&SetLength,
&Flush,
&Close
};
int32_t GetOSFileDescriptor(PP_Resource file_io_id) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->GetOSFileDescriptor();
}
int32_t WillWrite(PP_Resource file_io_id,
int64_t offset,
int32_t bytes_to_write,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->WillWrite(offset, bytes_to_write, callback);
}
int32_t WillSetLength(PP_Resource file_io_id,
int64_t length,
PP_CompletionCallback callback) {
scoped_refptr<FileIO> file_io(Resource::GetAs<FileIO>(file_io_id));
if (!file_io.get())
return PP_Error_BadResource;
return file_io->WillSetLength(length, callback);
}
const PPB_FileIOTrusted ppb_fileiotrusted = {
&GetOSFileDescriptor,
&WillWrite,
&WillSetLength
};
} // namespace
FileIO::FileIO(PluginModule* module) : Resource(module) {
}
FileIO::~FileIO() {
}
// static
const PPB_FileIO* FileIO::GetInterface() {
return &ppb_fileio;
}
// static
const PPB_FileIOTrusted* FileIO::GetTrustedInterface() {
return &ppb_fileiotrusted;
}
int32_t FileIO::Open(FileRef* file_ref,
int32_t open_flags,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::Query(PP_FileInfo* info,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::Touch(PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::Read(int64_t offset,
char* buffer,
int32_t bytes_to_read,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::Write(int64_t offset,
const char* buffer,
int32_t bytes_to_write,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::SetLength(int64_t length,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::Flush(PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
void FileIO::Close() {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
}
int32_t FileIO::GetOSFileDescriptor() {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::WillWrite(int64_t offset,
int32_t bytes_to_write,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
int32_t FileIO::WillSetLength(int64_t length,
PP_CompletionCallback callback) {
NOTIMPLEMENTED(); // TODO(darin): Implement me!
return PP_Error_Failed;
}
} // namespace pepper
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