gecko-dev/dom/devicestorage/DeviceStorageRequestChild.cpp

228 lines
6.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "DeviceStorageRequestChild.h"
#include "DeviceStorageFileDescriptor.h"
#include "nsDeviceStorage.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/ipc/BlobChild.h"
namespace mozilla {
namespace dom {
namespace devicestorage {
DeviceStorageRequestChild::DeviceStorageRequestChild()
: mCallback(nullptr)
{
MOZ_COUNT_CTOR(DeviceStorageRequestChild);
}
DeviceStorageRequestChild::DeviceStorageRequestChild(DOMRequest* aRequest,
DeviceStorageFile* aDSFile)
: mRequest(aRequest)
, mDSFile(aDSFile)
, mCallback(nullptr)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aDSFile);
MOZ_COUNT_CTOR(DeviceStorageRequestChild);
}
DeviceStorageRequestChild::DeviceStorageRequestChild(DOMRequest* aRequest,
DeviceStorageFile* aDSFile,
DeviceStorageFileDescriptor* aDSFileDescriptor)
: mRequest(aRequest)
, mDSFile(aDSFile)
, mDSFileDescriptor(aDSFileDescriptor)
, mCallback(nullptr)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aDSFile);
MOZ_ASSERT(aDSFileDescriptor);
MOZ_COUNT_CTOR(DeviceStorageRequestChild);
}
DeviceStorageRequestChild::~DeviceStorageRequestChild() {
MOZ_COUNT_DTOR(DeviceStorageRequestChild);
}
bool
DeviceStorageRequestChild::
Recv__delete__(const DeviceStorageResponseValue& aValue)
{
if (mCallback) {
mCallback->RequestComplete();
mCallback = nullptr;
}
nsCOMPtr<nsPIDOMWindow> window = mRequest->GetOwner();
if (!window) {
return true;
}
switch (aValue.type()) {
case DeviceStorageResponseValue::TErrorResponse:
{
ErrorResponse r = aValue;
mRequest->FireError(r.error());
break;
}
case DeviceStorageResponseValue::TSuccessResponse:
{
nsString fullPath;
mDSFile->GetFullPath(fullPath);
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, fullPath, &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TFileDescriptorResponse:
{
FileDescriptorResponse r = aValue;
nsString fullPath;
mDSFile->GetFullPath(fullPath);
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, fullPath, &result);
mDSFileDescriptor->mDSFile = mDSFile;
mDSFileDescriptor->mFileDescriptor = r.fileDescriptor();
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TBlobResponse:
{
BlobResponse r = aValue;
BlobChild* actor = static_cast<BlobChild*>(r.blobChild());
nsRefPtr<BlobImpl> bloblImpl = actor->GetBlobImpl();
nsRefPtr<Blob> blob = Blob::Create(mRequest->GetParentObject(),
bloblImpl);
AutoJSContext cx;
JS::Rooted<JSObject*> obj(cx, blob->WrapObject(cx, nullptr));
MOZ_ASSERT(obj);
JS::Rooted<JS::Value> result(cx, JS::ObjectValue(*obj));
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TFreeSpaceStorageResponse:
{
FreeSpaceStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx, JS_NumberValue(double(r.freeBytes())));
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TUsedSpaceStorageResponse:
{
UsedSpaceStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx, JS_NumberValue(double(r.usedBytes())));
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TAvailableStorageResponse:
{
AvailableStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, r.mountState(), &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TStorageStatusResponse:
{
StorageStatusResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, r.storageStatus(), &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TFormatStorageResponse:
{
FormatStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, r.mountState(), &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TMountStorageResponse:
{
MountStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, r.storageStatus(), &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TUnmountStorageResponse:
{
UnmountStorageResponse r = aValue;
AutoJSContext cx;
JS::Rooted<JS::Value> result(cx);
StringToJsval(window, r.storageStatus(), &result);
mRequest->FireSuccess(result);
break;
}
case DeviceStorageResponseValue::TEnumerationResponse:
{
EnumerationResponse r = aValue;
nsDOMDeviceStorageCursor* cursor
= static_cast<nsDOMDeviceStorageCursor*>(mRequest.get());
uint32_t count = r.paths().Length();
cursor->mFiles.SetCapacity(count);
for (uint32_t i = 0; i < count; i++) {
nsRefPtr<DeviceStorageFile> dsf
= new DeviceStorageFile(r.type(), r.paths()[i].storageName(),
r.rootdir(), r.paths()[i].name());
cursor->mFiles.AppendElement(dsf.forget());
}
nsRefPtr<ContinueCursorEvent> event = new ContinueCursorEvent(cursor);
event->Continue();
break;
}
default:
{
NS_RUNTIMEABORT("not reached");
break;
}
}
return true;
}
void
DeviceStorageRequestChild::
SetCallback(DeviceStorageRequestChildCallback *aCallback)
{
mCallback = aCallback;
}
} // namespace devicestorage
} // namespace dom
} // namespace mozilla