gecko-dev/dom/filesystem/FileSystemRequestParent.cpp

91 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/FileSystemRequestParent.h"
#include "CreateDirectoryTask.h"
#include "CreateFileTask.h"
#include "GetFileOrDirectoryTask.h"
#include "RemoveTask.h"
#include "mozilla/AppProcessChecker.h"
#include "mozilla/dom/FileSystemBase.h"
namespace mozilla {
namespace dom {
FileSystemRequestParent::FileSystemRequestParent()
{
}
FileSystemRequestParent::~FileSystemRequestParent()
{
}
#define FILESYSTEM_REQUEST_PARENT_DISPATCH_ENTRY(name) \
case FileSystemParams::TFileSystem##name##Params: { \
const FileSystem##name##Params& p = aParams; \
mFileSystem = FileSystemBase::FromString(p.filesystem()); \
task = new name##Task(mFileSystem, p, this); \
break; \
}
bool
FileSystemRequestParent::Dispatch(ContentParent* aParent,
const FileSystemParams& aParams)
{
MOZ_ASSERT(aParent, "aParent should not be null.");
nsRefPtr<FileSystemTaskBase> task;
switch (aParams.type()) {
FILESYSTEM_REQUEST_PARENT_DISPATCH_ENTRY(CreateDirectory)
FILESYSTEM_REQUEST_PARENT_DISPATCH_ENTRY(CreateFile)
FILESYSTEM_REQUEST_PARENT_DISPATCH_ENTRY(GetFileOrDirectory)
FILESYSTEM_REQUEST_PARENT_DISPATCH_ENTRY(Remove)
default: {
NS_RUNTIMEABORT("not reached");
break;
}
}
if (NS_WARN_IF(!task || !mFileSystem)) {
// Should never reach here.
return false;
}
if (!mFileSystem->IsTesting()) {
// Check the content process permission.
nsCString access;
task->GetPermissionAccessType(access);
nsAutoCString permissionName;
permissionName = mFileSystem->GetPermission();
permissionName.Append('-');
permissionName.Append(access);
if (!AssertAppProcessPermission(aParent, permissionName.get())) {
return false;
}
}
task->Start();
return true;
}
void
FileSystemRequestParent::ActorDestroy(ActorDestroyReason why)
{
if (!mFileSystem) {
return;
}
mFileSystem->Shutdown();
mFileSystem = nullptr;
}
} // namespace dom
} // namespace mozilla