gecko-dev/dom/devicestorage/DeviceStorageRequestParent.cpp

361 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "DeviceStorageRequestParent.h"
#include "nsDOMFile.h"
#include "nsIMIMEService.h"
#include "nsCExternalHandlerService.h"
#include "mozilla/unused.h"
namespace mozilla {
namespace dom {
namespace devicestorage {
DeviceStorageRequestParent::DeviceStorageRequestParent(const DeviceStorageParams& aParams)
{
MOZ_COUNT_CTOR(DeviceStorageRequestParent);
switch (aParams.type()) {
case DeviceStorageParams::TDeviceStorageAddParams:
{
DeviceStorageAddParams p = aParams;
nsCOMPtr<nsIFile> f;
NS_NewLocalFile(p.fullpath(), false, getter_AddRefs(f));
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(f);
nsRefPtr<WriteFileEvent> r = new WriteFileEvent(this, dsf, p.bits());
nsCOMPtr<nsIEventTarget> target = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ASSERTION(target, "Must have stream transport service");
target->Dispatch(r, NS_DISPATCH_NORMAL);
break;
}
case DeviceStorageParams::TDeviceStorageGetParams:
{
DeviceStorageGetParams p = aParams;
nsCOMPtr<nsIFile> f;
NS_NewLocalFile(p.fullpath(), false, getter_AddRefs(f));
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(f);
nsRefPtr<ReadFileEvent> r = new ReadFileEvent(this, dsf);
nsCOMPtr<nsIEventTarget> target = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ASSERTION(target, "Must have stream transport service");
target->Dispatch(r, NS_DISPATCH_NORMAL);
break;
}
case DeviceStorageParams::TDeviceStorageDeleteParams:
{
DeviceStorageDeleteParams p = aParams;
nsCOMPtr<nsIFile> f;
NS_NewLocalFile(p.fullpath(), false, getter_AddRefs(f));
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(f);
nsRefPtr<DeleteFileEvent> r = new DeleteFileEvent(this, dsf);
nsCOMPtr<nsIEventTarget> target = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ASSERTION(target, "Must have stream transport service");
target->Dispatch(r, NS_DISPATCH_NORMAL);
break;
}
case DeviceStorageParams::TDeviceStorageEnumerationParams:
{
DeviceStorageEnumerationParams p = aParams;
nsCOMPtr<nsIFile> f;
NS_NewLocalFile(p.fullpath(), false, getter_AddRefs(f));
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(f);
nsRefPtr<EnumerateFileEvent> r = new EnumerateFileEvent(this, dsf, p.since());
nsCOMPtr<nsIEventTarget> target = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ASSERTION(target, "Must have stream transport service");
target->Dispatch(r, NS_DISPATCH_NORMAL);
break;
}
default:
{
NS_RUNTIMEABORT("not reached");
break;
}
}
}
DeviceStorageRequestParent::~DeviceStorageRequestParent()
{
MOZ_COUNT_DTOR(DeviceStorageRequestParent);
}
DeviceStorageRequestParent::PostErrorEvent::PostErrorEvent(DeviceStorageRequestParent* aParent,
const char* aError)
: mParent(aParent)
{
mError.AssignWithConversion(aError);
}
DeviceStorageRequestParent::PostErrorEvent::~PostErrorEvent() {}
NS_IMETHODIMP
DeviceStorageRequestParent::PostErrorEvent::Run() {
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ErrorResponse response(mError);
unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
DeviceStorageRequestParent::PostSuccessEvent::PostSuccessEvent(DeviceStorageRequestParent* aParent)
: mParent(aParent)
{
}
DeviceStorageRequestParent::PostSuccessEvent::~PostSuccessEvent() {}
NS_IMETHODIMP
DeviceStorageRequestParent::PostSuccessEvent::Run() {
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
SuccessResponse response;
unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
DeviceStorageRequestParent::PostBlobSuccessEvent::PostBlobSuccessEvent(DeviceStorageRequestParent* aParent,
void* aBuffer,
PRUint32 aLength,
nsACString& aMimeType)
: mParent(aParent)
, mMimeType(aMimeType)
{
mBits.SetCapacity(aLength);
void* bits = mBits.Elements();
memcpy(bits, aBuffer, aLength);
}
DeviceStorageRequestParent::PostBlobSuccessEvent::~PostBlobSuccessEvent() {}
NS_IMETHODIMP
DeviceStorageRequestParent::PostBlobSuccessEvent::Run() {
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
BlobResponse response(mBits, mMimeType);
unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
DeviceStorageRequestParent::PostEnumerationSuccessEvent::PostEnumerationSuccessEvent(DeviceStorageRequestParent* aParent,
InfallibleTArray<DeviceStorageFileValue>& aPaths)
: mParent(aParent)
, mPaths(aPaths)
{
}
DeviceStorageRequestParent::PostEnumerationSuccessEvent::~PostEnumerationSuccessEvent() {}
NS_IMETHODIMP
DeviceStorageRequestParent::PostEnumerationSuccessEvent::Run() {
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
EnumerationResponse response(mPaths);
unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
DeviceStorageRequestParent::WriteFileEvent::WriteFileEvent(DeviceStorageRequestParent* aParent,
DeviceStorageFile* aFile,
InfallibleTArray<PRUint8>& aBits)
: mParent(aParent)
, mFile(aFile)
, mBits(aBits)
{
}
DeviceStorageRequestParent::WriteFileEvent::~WriteFileEvent()
{
}
NS_IMETHODIMP
DeviceStorageRequestParent::WriteFileEvent::Run()
{
nsRefPtr<nsRunnable> r;
nsresult rv = mFile->Write(mBits);
if (NS_FAILED(rv)) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
}
else {
r = new PostPathResultEvent(mParent, mFile->mPath);
}
NS_DispatchToMainThread(r);
return NS_OK;
}
DeviceStorageRequestParent::DeleteFileEvent::DeleteFileEvent(DeviceStorageRequestParent* aParent,
DeviceStorageFile* aFile)
: mParent(aParent)
, mFile(aFile)
{
}
DeviceStorageRequestParent::DeleteFileEvent::~DeleteFileEvent()
{
}
NS_IMETHODIMP
DeviceStorageRequestParent::DeleteFileEvent::Run()
{
mFile->mFile->Remove(true);
nsRefPtr<nsRunnable> r;
bool check = false;
mFile->mFile->Exists(&check);
if (check) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
}
else {
r = new PostPathResultEvent(mParent, mFile->mPath);
}
NS_DispatchToMainThread(r);
return NS_OK;
}
DeviceStorageRequestParent::ReadFileEvent::ReadFileEvent(DeviceStorageRequestParent* aParent,
DeviceStorageFile* aFile)
: mParent(aParent)
, mFile(aFile)
{
nsCOMPtr<nsIMIMEService> mimeService = do_GetService(NS_MIMESERVICE_CONTRACTID);
if (mimeService) {
nsresult rv = mimeService->GetTypeFromFile(mFile->mFile, mMimeType);
if (NS_FAILED(rv)) {
mMimeType.Truncate();
}
}
}
DeviceStorageRequestParent::ReadFileEvent::~ReadFileEvent()
{
}
NS_IMETHODIMP
DeviceStorageRequestParent::ReadFileEvent::Run()
{
nsCOMPtr<nsIRunnable> r;
bool check = false;
mFile->mFile->Exists(&check);
if (!check) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_DOES_NOT_EXIST);
NS_DispatchToMainThread(r);
return NS_OK;
}
PRInt64 fileSize;
nsresult rv = mFile->mFile->GetFileSize(&fileSize);
if (NS_FAILED(rv)) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
NS_DispatchToMainThread(r);
return NS_OK;
}
PRFileDesc *fileHandle;
rv = mFile->mFile->OpenNSPRFileDesc(PR_RDONLY, 0, &fileHandle);
// i am going to hell. this is temp until bent provides seralizaiton of blobs.
void* buf = (void*) malloc(fileSize);
PRInt32 read = PR_Read(fileHandle, buf, fileSize);
if (read != fileSize) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_UNKNOWN);
NS_DispatchToMainThread(r);
return NS_OK;
}
r = new PostBlobSuccessEvent(mParent, buf, fileSize, mMimeType);
PR_Free(buf);
PR_Close(fileHandle);
NS_DispatchToMainThread(r);
return NS_OK;
}
DeviceStorageRequestParent::EnumerateFileEvent::EnumerateFileEvent(DeviceStorageRequestParent* aParent,
DeviceStorageFile* aFile,
PRUint32 aSince)
: mParent(aParent)
, mFile(aFile)
, mSince(aSince)
{
}
DeviceStorageRequestParent::EnumerateFileEvent::~EnumerateFileEvent()
{
}
NS_IMETHODIMP
DeviceStorageRequestParent::EnumerateFileEvent::Run()
{
nsCOMPtr<nsIRunnable> r;
bool check = false;
mFile->mFile->Exists(&check);
if (!check) {
r = new PostErrorEvent(mParent, POST_ERROR_EVENT_FILE_DOES_NOT_EXIST);
NS_DispatchToMainThread(r);
return NS_OK;
}
nsTArray<nsRefPtr<DeviceStorageFile> > files;
mFile->CollectFiles(files, mSince);
InfallibleTArray<DeviceStorageFileValue> values;
PRUint32 count = files.Length();
for (PRUint32 i = 0; i < count; i++) {
nsString fullpath;
files[i]->mFile->GetPath(fullpath);
DeviceStorageFileValue dsvf(fullpath, files[i]->mPath);
values.AppendElement(dsvf);
}
r = new PostEnumerationSuccessEvent(mParent, values);
NS_DispatchToMainThread(r);
return NS_OK;
}
DeviceStorageRequestParent::PostPathResultEvent::PostPathResultEvent(DeviceStorageRequestParent* aParent,
const nsAString& aPath)
: mParent(aParent)
, mPath(aPath)
{
}
DeviceStorageRequestParent::PostPathResultEvent::~PostPathResultEvent()
{
}
NS_IMETHODIMP
DeviceStorageRequestParent::PostPathResultEvent::Run()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
SuccessResponse response;
unused << mParent->Send__delete__(mParent, response);
return NS_OK;
}
} // namespace devicestorage
} // namespace dom
} // namespace mozilla