0
Files
src/ppapi/cpp/file_ref.cc
nhiroki@chromium.org 491af3c6d9 [Retry] PPAPI: Add new PPB_FileRef.MakeDirectory to support exclusive operation
Original Review: https://codereview.chromium.org/113363004/

Current PPB_FileRef.MakeDirectory returns PP_OK if a directory exists on
the given path. This makes it difficult to create POSIX compatible API on
top of PPAPI.

This change introduces new PPB_FileRef.MakeDirectory as dev channel API.
That makes a new directory according to the given PP_MakeDirectoryFlags
values. The flags provide exclusive operation option. If exclusive flag
is specified and a directory exists on the given path, the function fails
and returns PP_ERROR_FILEEXISTS.


BUG=314879
TEST=browser_tests
TBR=dmichael@chromium.org,yzshen@chromium.org,tsepez@chromium.org

Review URL: https://codereview.chromium.org/131403004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244148 0039d316-1c4b-4281-b951-d872f2087c98
2014-01-10 11:34:12 +00:00

222 lines
7.5 KiB
C++

// Copyright (c) 2012 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 "ppapi/cpp/file_ref.h"
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/directory_entry.h"
#include "ppapi/cpp/file_system.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
template <> const char* interface_name<PPB_FileRef_1_0>() {
return PPB_FILEREF_INTERFACE_1_0;
}
template <> const char* interface_name<PPB_FileRef_1_1>() {
return PPB_FILEREF_INTERFACE_1_1;
}
template <> const char* interface_name<PPB_FileRef_1_2>() {
return PPB_FILEREF_INTERFACE_1_2;
}
} // namespace
FileRef::FileRef(PP_Resource resource) : Resource(resource) {
}
FileRef::FileRef(PassRef, PP_Resource resource) : Resource(PASS_REF, resource) {
}
FileRef::FileRef(const FileSystem& file_system,
const char* path) {
if (has_interface<PPB_FileRef_1_2>()) {
PassRefFromConstructor(get_interface<PPB_FileRef_1_2>()->Create(
file_system.pp_resource(), path));
} else if (has_interface<PPB_FileRef_1_1>()) {
PassRefFromConstructor(get_interface<PPB_FileRef_1_1>()->Create(
file_system.pp_resource(), path));
} else if (has_interface<PPB_FileRef_1_0>()) {
PassRefFromConstructor(get_interface<PPB_FileRef_1_0>()->Create(
file_system.pp_resource(), path));
}
}
FileRef::FileRef(const FileRef& other)
: Resource(other) {
}
PP_FileSystemType FileRef::GetFileSystemType() const {
if (has_interface<PPB_FileRef_1_2>())
return get_interface<PPB_FileRef_1_2>()->GetFileSystemType(pp_resource());
if (has_interface<PPB_FileRef_1_1>())
return get_interface<PPB_FileRef_1_1>()->GetFileSystemType(pp_resource());
if (has_interface<PPB_FileRef_1_0>())
return get_interface<PPB_FileRef_1_0>()->GetFileSystemType(pp_resource());
return PP_FILESYSTEMTYPE_EXTERNAL;
}
Var FileRef::GetName() const {
if (has_interface<PPB_FileRef_1_2>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_2>()->GetName(pp_resource()));
}
if (has_interface<PPB_FileRef_1_1>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_1>()->GetName(pp_resource()));
}
if (has_interface<PPB_FileRef_1_0>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_0>()->GetName(pp_resource()));
}
return Var();
}
Var FileRef::GetPath() const {
if (has_interface<PPB_FileRef_1_2>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_2>()->GetPath(pp_resource()));
}
if (has_interface<PPB_FileRef_1_1>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_1>()->GetPath(pp_resource()));
}
if (has_interface<PPB_FileRef_1_0>()) {
return Var(PASS_REF,
get_interface<PPB_FileRef_1_0>()->GetPath(pp_resource()));
}
return Var();
}
FileRef FileRef::GetParent() const {
if (has_interface<PPB_FileRef_1_2>()) {
return FileRef(PASS_REF,
get_interface<PPB_FileRef_1_2>()->GetParent(pp_resource()));
}
if (has_interface<PPB_FileRef_1_1>()) {
return FileRef(PASS_REF,
get_interface<PPB_FileRef_1_1>()->GetParent(pp_resource()));
}
if (has_interface<PPB_FileRef_1_0>()) {
return FileRef(PASS_REF,
get_interface<PPB_FileRef_1_0>()->GetParent(pp_resource()));
}
return FileRef();
}
int32_t FileRef::MakeDirectory(int32_t make_directory_flags,
const CompletionCallback& cc) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->MakeDirectory(
pp_resource(),
make_directory_flags,
cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
if (make_directory_flags & ~PP_MAKEDIRECTORYFLAG_WITH_ANCESTORS)
return cc.MayForce(PP_ERROR_NOTSUPPORTED);
return get_interface<PPB_FileRef_1_1>()->MakeDirectory(
pp_resource(),
PP_FromBool(make_directory_flags & PP_MAKEDIRECTORYFLAG_WITH_ANCESTORS),
cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_0>()) {
if (make_directory_flags & ~PP_MAKEDIRECTORYFLAG_WITH_ANCESTORS)
return cc.MayForce(PP_ERROR_NOTSUPPORTED);
return get_interface<PPB_FileRef_1_0>()->MakeDirectory(
pp_resource(),
PP_FromBool(make_directory_flags & PP_MAKEDIRECTORYFLAG_WITH_ANCESTORS),
cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t FileRef::Touch(PP_Time last_access_time,
PP_Time last_modified_time,
const CompletionCallback& cc) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->Touch(
pp_resource(), last_access_time, last_modified_time,
cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
return get_interface<PPB_FileRef_1_1>()->Touch(
pp_resource(), last_access_time, last_modified_time,
cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_0>()) {
return get_interface<PPB_FileRef_1_0>()->Touch(
pp_resource(), last_access_time, last_modified_time,
cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t FileRef::Delete(const CompletionCallback& cc) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->Delete(
pp_resource(), cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
return get_interface<PPB_FileRef_1_1>()->Delete(
pp_resource(), cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_0>()) {
return get_interface<PPB_FileRef_1_0>()->Delete(
pp_resource(), cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t FileRef::Rename(const FileRef& new_file_ref,
const CompletionCallback& cc) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->Rename(
pp_resource(), new_file_ref.pp_resource(), cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
return get_interface<PPB_FileRef_1_1>()->Rename(
pp_resource(), new_file_ref.pp_resource(), cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_0>()) {
return get_interface<PPB_FileRef_1_0>()->Rename(
pp_resource(), new_file_ref.pp_resource(), cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t FileRef::Query(const CompletionCallbackWithOutput<PP_FileInfo>& cc) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->Query(
pp_resource(), cc.output(), cc.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
return get_interface<PPB_FileRef_1_1>()->Query(
pp_resource(), cc.output(), cc.pp_completion_callback());
}
return cc.MayForce(PP_ERROR_NOINTERFACE);
}
int32_t FileRef::ReadDirectoryEntries(
const CompletionCallbackWithOutput<std::vector<DirectoryEntry> >&
callback) {
if (has_interface<PPB_FileRef_1_2>()) {
return get_interface<PPB_FileRef_1_2>()->ReadDirectoryEntries(
pp_resource(), callback.output(), callback.pp_completion_callback());
}
if (has_interface<PPB_FileRef_1_1>()) {
return get_interface<PPB_FileRef_1_1>()->ReadDirectoryEntries(
pp_resource(), callback.output(), callback.pp_completion_callback());
}
return callback.MayForce(PP_ERROR_NOINTERFACE);
}
} // namespace pp