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// Copyright (c) 2011 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/plugins/ppapi/ppb_flash_file_impl.h"
#include <string.h>
#include <string>
#include "ppapi/c/dev/pp_file_info_dev.h"
#include "ppapi/c/dev/ppb_file_io_dev.h"
#include "ppapi/c/private/ppb_flash_file.h"
#include "webkit/plugins/ppapi/common.h"
#include "webkit/plugins/ppapi/error_util.h"
#include "webkit/plugins/ppapi/file_path.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
#include "webkit/plugins/ppapi/plugin_module.h"
#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
#include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
#include "webkit/plugins/ppapi/resource_tracker.h"
#if defined(OS_WIN)
#include "base/utf_string_conversions.h"
#endif
namespace webkit {
namespace ppapi {
namespace {
// TODO(viettrungluu): The code below is duplicated in ppb_file_io_impl.cc
// (where it's incorrect to boot).
// Returns |true| if okay.
bool ConvertFromPPFileOpenFlags(int32_t pp_open_flags, int* flags_out) {
int flags = 0;
if (pp_open_flags & PP_FILEOPENFLAG_READ)
flags |= base::PLATFORM_FILE_READ;
if (pp_open_flags & PP_FILEOPENFLAG_WRITE) {
flags |= base::PLATFORM_FILE_WRITE;
flags |= base::PLATFORM_FILE_WRITE_ATTRIBUTES;
}
if (pp_open_flags & PP_FILEOPENFLAG_TRUNCATE) {
if (!(pp_open_flags & PP_FILEOPENFLAG_WRITE))
return false;
flags |= base::PLATFORM_FILE_TRUNCATE;
}
if (pp_open_flags & PP_FILEOPENFLAG_CREATE) {
if (pp_open_flags & PP_FILEOPENFLAG_EXCLUSIVE)
flags |= base::PLATFORM_FILE_CREATE;
else
flags |= base::PLATFORM_FILE_OPEN_ALWAYS;
} else {
flags |= base::PLATFORM_FILE_OPEN;
}
*flags_out = flags;
return true;
}
void FreeDirContents(PP_Instance instance, PP_DirContents_Dev* contents) {
DCHECK(contents);
for (int32_t i = 0; i < contents->count; ++i) {
delete [] contents->entries[i].name;
}
delete [] contents->entries;
delete contents;
}
} // namespace
// PPB_Flash_File_ModuleLocal_Impl ---------------------------------------------
namespace {
bool CreateThreadAdapterForInstance(PP_Instance instance) {
return false; // No multithreaded access allowed.
}
void ClearThreadAdapterForInstance(PP_Instance instance) {
}
int32_t OpenModuleLocalFile(PP_Instance pp_instance,
const char* path,
int32_t mode,
PP_FileHandle* file) {
int flags = 0;
if (!path || !ConvertFromPPFileOpenFlags(mode, &flags) || !file)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFile base_file;
base::PlatformFileError result = instance->delegate()->OpenFile(
PepperFilePath::MakeModuleLocal(instance->module(), path),
flags,
&base_file);
*file = base_file;
return PlatformFileErrorToPepperError(result);
}
int32_t RenameModuleLocalFile(PP_Instance pp_instance,
const char* from_path,
const char* to_path) {
if (!from_path || !to_path)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFileError result = instance->delegate()->RenameFile(
PepperFilePath::MakeModuleLocal(instance->module(), from_path),
PepperFilePath::MakeModuleLocal(instance->module(), to_path));
return PlatformFileErrorToPepperError(result);
}
int32_t DeleteModuleLocalFileOrDir(PP_Instance pp_instance,
const char* path,
PP_Bool recursive) {
if (!path)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFileError result = instance->delegate()->DeleteFileOrDir(
PepperFilePath::MakeModuleLocal(instance->module(), path),
PPBoolToBool(recursive));
return PlatformFileErrorToPepperError(result);
}
int32_t CreateModuleLocalDir(PP_Instance pp_instance, const char* path) {
if (!path)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFileError result = instance->delegate()->CreateDir(
PepperFilePath::MakeModuleLocal(instance->module(), path));
return PlatformFileErrorToPepperError(result);
}
int32_t QueryModuleLocalFile(PP_Instance pp_instance,
const char* path,
PP_FileInfo_Dev* info) {
if (!path || !info)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFileInfo file_info;
base::PlatformFileError result = instance->delegate()->QueryFile(
PepperFilePath::MakeModuleLocal(instance->module(), path),
&file_info);
if (result == base::PLATFORM_FILE_OK) {
info->size = file_info.size;
info->creation_time = file_info.creation_time.ToDoubleT();
info->last_access_time = file_info.last_accessed.ToDoubleT();
info->last_modified_time = file_info.last_modified.ToDoubleT();
info->system_type = PP_FILESYSTEMTYPE_EXTERNAL;
if (file_info.is_directory)
info->type = PP_FILETYPE_DIRECTORY;
else
info->type = PP_FILETYPE_REGULAR;
}
return PlatformFileErrorToPepperError(result);
}
int32_t GetModuleLocalDirContents(PP_Instance pp_instance,
const char* path,
PP_DirContents_Dev** contents) {
if (!path || !contents)
return PP_ERROR_BADARGUMENT;
PluginInstance* instance = ResourceTracker::Get()->GetInstance(pp_instance);
if (!instance)
return PP_ERROR_FAILED;
*contents = NULL;
DirContents pepper_contents;
base::PlatformFileError result = instance->delegate()->GetDirContents(
PepperFilePath::MakeModuleLocal(instance->module(), path),
&pepper_contents);
if (result != base::PLATFORM_FILE_OK)
return PlatformFileErrorToPepperError(result);
*contents = new PP_DirContents_Dev;
size_t count = pepper_contents.size();
(*contents)->count = count;
(*contents)->entries = new PP_DirEntry_Dev[count];
for (size_t i = 0; i < count; ++i) {
PP_DirEntry_Dev& entry = (*contents)->entries[i];
#if defined(OS_WIN)
const std::string& name = UTF16ToUTF8(pepper_contents[i].name.value());
#else
const std::string& name = pepper_contents[i].name.value();
#endif
size_t size = name.size() + 1;
char* name_copy = new char[size];
memcpy(name_copy, name.c_str(), size);
entry.name = name_copy;
entry.is_dir = BoolToPPBool(pepper_contents[i].is_dir);
}
return PP_OK;
}
const PPB_Flash_File_ModuleLocal ppb_flash_file_modulelocal = {
&CreateThreadAdapterForInstance,
&ClearThreadAdapterForInstance,
&OpenModuleLocalFile,
&RenameModuleLocalFile,
&DeleteModuleLocalFileOrDir,
&CreateModuleLocalDir,
&QueryModuleLocalFile,
&GetModuleLocalDirContents,
&FreeDirContents,
};
} // namespace
// static
const PPB_Flash_File_ModuleLocal*
PPB_Flash_File_ModuleLocal_Impl::GetInterface() {
return &ppb_flash_file_modulelocal;
}
// PPB_Flash_File_FileRef_Impl -------------------------------------------------
namespace {
int32_t OpenFileRefFile(PP_Resource file_ref_id,
int32_t mode,
PP_FileHandle* file) {
int flags = 0;
if (!ConvertFromPPFileOpenFlags(mode, &flags) || !file)
return PP_ERROR_BADARGUMENT;
scoped_refptr<PPB_FileRef_Impl> file_ref(
Resource::GetAs<PPB_FileRef_Impl>(file_ref_id));
if (!file_ref)
return PP_ERROR_BADRESOURCE;
PluginInstance* instance = file_ref->instance();
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFile base_file;
base::PlatformFileError result = instance->delegate()->OpenFile(
PepperFilePath::MakeAbsolute(file_ref->GetSystemPath()),
flags,
&base_file);
*file = base_file;
return PlatformFileErrorToPepperError(result);
}
int32_t QueryFileRefFile(PP_Resource file_ref_id,
PP_FileInfo_Dev* info) {
scoped_refptr<PPB_FileRef_Impl> file_ref(
Resource::GetAs<PPB_FileRef_Impl>(file_ref_id));
if (!file_ref)
return PP_ERROR_BADRESOURCE;
PluginInstance* instance = file_ref->instance();
if (!instance)
return PP_ERROR_FAILED;
base::PlatformFileInfo file_info;
base::PlatformFileError result = instance->delegate()->QueryFile(
PepperFilePath::MakeAbsolute(file_ref->GetSystemPath()),
&file_info);
if (result == base::PLATFORM_FILE_OK) {
info->size = file_info.size;
info->creation_time = file_info.creation_time.ToDoubleT();
info->last_access_time = file_info.last_accessed.ToDoubleT();
info->last_modified_time = file_info.last_modified.ToDoubleT();
info->system_type = PP_FILESYSTEMTYPE_EXTERNAL;
if (file_info.is_directory)
info->type = PP_FILETYPE_DIRECTORY;
else
info->type = PP_FILETYPE_REGULAR;
}
return PlatformFileErrorToPepperError(result);
}
const PPB_Flash_File_FileRef ppb_flash_file_fileref = {
&OpenFileRefFile,
&QueryFileRefFile,
};
} // namespace
// static
const PPB_Flash_File_FileRef* PPB_Flash_File_FileRef_Impl::GetInterface() {
return &ppb_flash_file_fileref;
}
} // namespace ppapi
} // namespace webkit
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