
This is a C++ wrapper for the C API PPB_VarResource_Dev. Also added methods to pp::FileSystem for converting a pp::Resource to a pp::FileSystem, which are necessary for making use of a resource extracted using pp::VarResource_Dev. (Committed by yzshen@chromium.org on behalf of mgiuca@chromium.org) BUG=177017 R=dmichael@chromium.org, noelallen@chromium.org, noelallen@google.com, yzshen@chromium.org Review URL: https://codereview.chromium.org/52233002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232482 0039d316-1c4b-4281-b951-d872f2087c98
70 lines
1.8 KiB
C++
70 lines
1.8 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_system.h"
|
|
|
|
#include "ppapi/c/pp_errors.h"
|
|
#include "ppapi/c/ppb_file_system.h"
|
|
#include "ppapi/cpp/completion_callback.h"
|
|
#include "ppapi/cpp/file_ref.h"
|
|
#include "ppapi/cpp/instance_handle.h"
|
|
#include "ppapi/cpp/logging.h"
|
|
#include "ppapi/cpp/module.h"
|
|
#include "ppapi/cpp/module_impl.h"
|
|
|
|
namespace pp {
|
|
|
|
namespace {
|
|
|
|
template <> const char* interface_name<PPB_FileSystem_1_0>() {
|
|
return PPB_FILESYSTEM_INTERFACE_1_0;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
FileSystem::FileSystem() {
|
|
}
|
|
|
|
FileSystem::FileSystem(const FileSystem& other) : Resource(other) {
|
|
}
|
|
|
|
FileSystem::FileSystem(const Resource& resource) : Resource(resource) {
|
|
if (!IsFileSystem(resource)) {
|
|
PP_NOTREACHED();
|
|
|
|
// On release builds, set this to null.
|
|
Clear();
|
|
}
|
|
}
|
|
|
|
FileSystem::FileSystem(PassRef, PP_Resource resource)
|
|
: Resource(PASS_REF, resource) {
|
|
}
|
|
|
|
FileSystem::FileSystem(const InstanceHandle& instance,
|
|
PP_FileSystemType type) {
|
|
if (!has_interface<PPB_FileSystem_1_0>())
|
|
return;
|
|
PassRefFromConstructor(get_interface<PPB_FileSystem_1_0>()->Create(
|
|
instance.pp_instance(), type));
|
|
}
|
|
|
|
int32_t FileSystem::Open(int64_t expected_size,
|
|
const CompletionCallback& cc) {
|
|
if (!has_interface<PPB_FileSystem_1_0>())
|
|
return cc.MayForce(PP_ERROR_NOINTERFACE);
|
|
return get_interface<PPB_FileSystem_1_0>()->Open(
|
|
pp_resource(), expected_size, cc.pp_completion_callback());
|
|
}
|
|
|
|
// static
|
|
bool FileSystem::IsFileSystem(const Resource& resource) {
|
|
if (!has_interface<PPB_FileSystem_1_0>())
|
|
return false;
|
|
return get_interface<PPB_FileSystem_1_0>()->IsFileSystem(
|
|
resource.pp_resource()) == PP_TRUE;
|
|
}
|
|
|
|
} // namespace pp
|