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Bug 871287 - Part a: Random cleanup in DeviceStorage; r=dhylands

This commit is contained in:
Ms2ger 2013-06-01 08:54:46 +02:00
Родитель 0ca5c81b38
Коммит 8345a5edc6
2 изменённых файлов: 70 добавлений и 64 удалений
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23
dom/devicestorage/DeviceStorage.h
Просмотреть файл

@ -22,6 +22,12 @@
#define DEVICESTORAGE_APPS "apps"
#define DEVICESTORAGE_SDCARD "sdcard"
namespace mozilla {
namespace dom {
class DOMRequest;
} // namespace dom
} // namespace mozilla
class DeviceStorageFile MOZ_FINAL
: public nsISupports {
public:
@ -132,6 +138,8 @@ class nsDOMDeviceStorage MOZ_FINAL
, public nsIDOMDeviceStorage
, public nsIObserver
{
typedef mozilla::ErrorResult ErrorResult;
typedef mozilla::dom::DOMRequest DOMRequest;
public:
typedef nsTArray<nsString> VolumeNameArray;
@ -144,11 +152,11 @@ public:
nsIDOMEventListener* aListener,
bool aUseCapture,
const mozilla::dom::Nullable<bool>& aWantsUntrusted,
mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
ErrorResult& aRv) MOZ_OVERRIDE;
virtual void RemoveEventListener(const nsAString& aType,
nsIDOMEventListener* aListener,
bool aUseCapture,
mozilla::ErrorResult& aRv) MOZ_OVERRIDE;
ErrorResult& aRv) MOZ_OVERRIDE;
nsDOMDeviceStorage();
@ -186,14 +194,13 @@ private:
nsIDOMDOMRequest** aRetval,
bool aEditable);
nsresult GetInternal(nsPIDOMWindow* aWin,
const nsAString& aPath,
mozilla::dom::DOMRequest* aRequest,
void
GetInternal(nsPIDOMWindow* aWin, const nsAString& aPath, DOMRequest* aRequest,
bool aEditable);
nsresult DeleteInternal(nsPIDOMWindow* aWin,
const nsAString& aPath,
mozilla::dom::DOMRequest* aRequest);
void
DeleteInternal(nsPIDOMWindow* aWin, const nsAString& aPath,
DOMRequest* aRequest);
nsresult EnumerateInternal(const JS::Value& aName,
const JS::Value& aOptions,

79
dom/devicestorage/nsDeviceStorage.cpp
Просмотреть файл

@ -624,7 +624,7 @@ bool DeviceStorageFile::IsComposite()
void
DeviceStorageFile::GetCompositePath(nsAString &aCompositePath)
{
aCompositePath.AssignLiteral("");
aCompositePath.Truncate();
if (!mStorageName.EqualsLiteral("")) {
aCompositePath.AppendLiteral("/");
aCompositePath.Append(mStorageName);
@ -1018,7 +1018,7 @@ DeviceStorageFile::CollectFiles(nsTArray<nsRefPtr<DeviceStorageFile> > &aFiles,
nsDOMDeviceStorage::VolumeNameArray::size_type numVolumes = volNames.Length();
nsDOMDeviceStorage::VolumeNameArray::index_type i;
for (i = 0; i < numVolumes; i++) {
DeviceStorageFile dsf(mStorageType, volNames[i], mRootDir, NS_LITERAL_STRING(""));
DeviceStorageFile dsf(mStorageType, volNames[i], mRootDir, EmptyString());
dsf.mFile->GetPath(fullRootPath);
dsf.collectFilesInternal(aFiles, aSince, fullRootPath);
}
@ -2429,7 +2429,7 @@ nsDOMDeviceStorage::Init(nsPIDOMWindow* aWindow, const nsAString &aType,
nsTArray<nsRefPtr<nsDOMDeviceStorage> > &aStores)
{
mStores.AppendElements(aStores);
nsresult rv = Init(aWindow, aType, NS_LITERAL_STRING(""));
nsresult rv = Init(aWindow, aType, EmptyString());
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
@ -2458,9 +2458,7 @@ nsDOMDeviceStorage::Init(nsPIDOMWindow* aWindow, const nsAString &aType, const n
BindToOwner(aWindow);
// Grab the principal of the document
nsCOMPtr<nsIDOMDocument> domdoc;
aWindow->GetDocument(getter_AddRefs(domdoc));
nsCOMPtr<nsIDocument> doc = do_QueryInterface(domdoc);
nsCOMPtr<nsIDocument> doc = aWindow->GetDoc();
if (!doc) {
return NS_ERROR_FAILURE;
}
@ -2522,15 +2520,14 @@ nsDOMDeviceStorage::GetOrderedVolumeNames(nsDOMDeviceStorage::VolumeNameArray &a
VolumeNameArray::index_type sdcardIndex;
sdcardIndex = aVolumeNames.IndexOf(NS_LITERAL_STRING("sdcard"));
if ((sdcardIndex != VolumeNameArray::NoIndex)
&& (sdcardIndex > 0)) {
if (sdcardIndex != VolumeNameArray::NoIndex && sdcardIndex > 0) {
aVolumeNames.RemoveElementAt(sdcardIndex);
aVolumeNames.InsertElementAt(0, NS_LITERAL_STRING("sdcard"));
}
}
#endif
if (aVolumeNames.Length() == 0) {
aVolumeNames.AppendElement(NS_LITERAL_STRING(""));
if (aVolumeNames.IsEmpty()) {
aVolumeNames.AppendElement(EmptyString());
}
sVolumeNameCache = new VolumeNameCache;
sVolumeNameCache->mVolumeNames.AppendElements(aVolumeNames);
@ -2545,7 +2542,7 @@ nsDOMDeviceStorage::CreateDeviceStorageFor(nsPIDOMWindow* aWin,
// Create the underlying non-composite device storage objects
nsTArray<nsRefPtr<nsDOMDeviceStorage> > stores;
CreateDeviceStoragesFor(aWin, aType, stores, true);
if (stores.Length() == 0) {
if (stores.IsEmpty()) {
*aStore = nullptr;
return;
}
@ -2578,7 +2575,7 @@ nsDOMDeviceStorage::CreateDeviceStoragesFor(nsPIDOMWindow* aWin,
if (!DeviceStorageTypeChecker::IsVolumeBased(aType)) {
nsRefPtr<nsDOMDeviceStorage> storage = new nsDOMDeviceStorage();
rv = storage->Init(aWin, aType, NS_LITERAL_STRING(""));
rv = storage->Init(aWin, aType, EmptyString());
if (NS_SUCCEEDED(rv)) {
aStores.AppendElement(storage);
}
@ -2605,8 +2602,8 @@ nsDOMDeviceStorage::ParseCompositePath(const nsAString& aCompositePath,
nsAString& aOutStorageName,
nsAString& aOutStoragePath)
{
aOutStorageName.AssignLiteral("");
aOutStoragePath.AssignLiteral("");
aOutStorageName.Truncate();
aOutStoragePath.Truncate();
NS_NAMED_LITERAL_STRING(slash, "/");
@ -2624,7 +2621,7 @@ nsDOMDeviceStorage::ParseCompositePath(const nsAString& aCompositePath,
aOutStoragePath = aCompositePath;
}
if (!storageName.EqualsLiteral("")) {
if (!storageName.IsEmpty()) {
aOutStorageName = storageName;
return true;
}
@ -2636,7 +2633,7 @@ nsDOMDeviceStorage::ParseCompositePath(const nsAString& aCompositePath,
nsString defStorageName;
GetWritableStorageName(storageType, defStorageName);
if (defStorageName.EqualsLiteral("")) {
if (defStorageName.IsEmpty()) {
return false;
}
aOutStorageName = defStorageName;
@ -2754,8 +2751,9 @@ nsDOMDeviceStorage::AddNamed(nsIDOMBlob *aBlob,
nsIDOMDOMRequest * *_retval)
{
// if the blob is null here, bail
if (aBlob == nullptr)
if (!aBlob) {
return NS_OK;
}
nsCOMPtr<nsPIDOMWindow> win = GetOwner();
if (!win) {
@ -2793,8 +2791,7 @@ nsDOMDeviceStorage::AddNamed(nsIDOMBlob *aBlob,
} else if (!typeChecker->Check(mStorageType, dsf->mFile) ||
!typeChecker->Check(mStorageType, aBlob)) {
r = new PostErrorEvent(request, POST_ERROR_EVENT_ILLEGAL_TYPE);
}
else {
} else {
r = new DeviceStorageRequest(DEVICE_STORAGE_REQUEST_CREATE,
win, mPrincipal, dsf, request, aBlob);
}
@ -2828,32 +2825,34 @@ nsDOMDeviceStorage::GetInternal(const nsAString& aPath,
nsRefPtr<DOMRequest> request = new DOMRequest(win);
NS_ADDREF(*aRetval = request);
nsCOMPtr<nsIRunnable> r;
if (IsComposite()) {
nsString storagePath;
nsRefPtr<nsDOMDeviceStorage> ds = GetStorage(aPath, storagePath);
if (!ds) {
r = new PostErrorEvent(request, POST_ERROR_EVENT_UNKNOWN);
nsCOMPtr<nsIRunnable> r =
new PostErrorEvent(request, POST_ERROR_EVENT_UNKNOWN);
NS_DispatchToMainThread(r);
return NS_OK;
}
return ds->GetInternal(win, storagePath, request.get(), aEditable);
ds->GetInternal(win, storagePath, request, aEditable);
return NS_OK;
}
return GetInternal(win, aPath, request, aEditable);
GetInternal(win, aPath, request, aEditable);
return NS_OK;
}
nsresult
void
nsDOMDeviceStorage::GetInternal(nsPIDOMWindow *aWin,
const nsAString& aPath,
DOMRequest* aRequest,
bool aEditable)
{
nsCOMPtr<nsIRunnable> r;
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(mStorageType,
mStorageName,
aPath);
dsf->SetEditable(aEditable);
nsCOMPtr<nsIRunnable> r;
if (!dsf->IsSafePath()) {
r = new PostErrorEvent(aRequest, POST_ERROR_EVENT_PERMISSION_DENIED);
} else {
@ -2861,14 +2860,11 @@ nsDOMDeviceStorage::GetInternal(nsPIDOMWindow *aWin,
aWin, mPrincipal, dsf, aRequest);
}
NS_DispatchToMainThread(r);
return NS_OK;
}
NS_IMETHODIMP
nsDOMDeviceStorage::Delete(const nsAString& aPath, nsIDOMDOMRequest** aRetval)
{
nsCOMPtr<nsIRunnable> r;
nsCOMPtr<nsPIDOMWindow> win = GetOwner();
if (!win) {
return NS_ERROR_UNEXPECTED;
@ -2881,16 +2877,19 @@ nsDOMDeviceStorage::Delete(const nsAString& aPath, nsIDOMDOMRequest** aRetval)
nsString storagePath;
nsRefPtr<nsDOMDeviceStorage> ds = GetStorage(aPath, storagePath);
if (!ds) {
r = new PostErrorEvent(request, POST_ERROR_EVENT_UNKNOWN);
nsCOMPtr<nsIRunnable> r =
new PostErrorEvent(request, POST_ERROR_EVENT_UNKNOWN);
NS_DispatchToMainThread(r);
return NS_OK;
}
return ds->DeleteInternal(win, storagePath, request.get());
ds->DeleteInternal(win, storagePath, request.get());
return NS_OK;
}
return DeleteInternal(win, aPath, request);
DeleteInternal(win, aPath, request);
return NS_OK;
}
nsresult
void
nsDOMDeviceStorage::DeleteInternal(nsPIDOMWindow *aWin,
const nsAString& aPath,
mozilla::dom::DOMRequest* aRequest)
@ -2901,13 +2900,11 @@ nsDOMDeviceStorage::DeleteInternal(nsPIDOMWindow *aWin,
aPath);
if (!dsf->IsSafePath()) {
r = new PostErrorEvent(aRequest, POST_ERROR_EVENT_PERMISSION_DENIED);
}
else {
} else {
r = new DeviceStorageRequest(DEVICE_STORAGE_REQUEST_DELETE,
aWin, mPrincipal, dsf, aRequest);
}
NS_DispatchToMainThread(r);
return NS_OK;
}
NS_IMETHODIMP
@ -3049,8 +3046,9 @@ nsDOMDeviceStorage::EnumerateInternal(const JS::Value & aName,
nsIDOMDOMCursor** aRetval)
{
nsCOMPtr<nsPIDOMWindow> win = GetOwner();
if (!win)
if (!win) {
return NS_ERROR_UNEXPECTED;
}
PRTime since = 0;
nsString path;
@ -3072,7 +3070,7 @@ nsDOMDeviceStorage::EnumerateInternal(const JS::Value & aName,
return NS_ERROR_FAILURE;
}
if (aArgc == 2 && (JSVAL_IS_VOID(aOptions) || aOptions.isNull() || !aOptions.isObject())) {
if (aArgc == 2 && !aOptions.isObject()) {
return NS_ERROR_FAILURE;
}
if (!ExtractDateFromOptions(aCx, aOptions, &since)) {
@ -3083,7 +3081,7 @@ nsDOMDeviceStorage::EnumerateInternal(const JS::Value & aName,
nsRefPtr<DeviceStorageFile> dsf = new DeviceStorageFile(mStorageType,
mStorageName,
path,
NS_LITERAL_STRING(""));
EmptyString());
dsf->SetEditable(aEditable);
nsRefPtr<nsDOMDeviceStorageCursor> cursor = new nsDOMDeviceStorageCursor(win, mPrincipal,
@ -3101,8 +3099,9 @@ nsDOMDeviceStorage::EnumerateInternal(const JS::Value & aName,
// because owner implements nsITabChild, we can assume that it is
// the one and only TabChild.
TabChild* child = GetTabChildFrom(win->GetDocShell());
if (!child)
if (!child) {
return NS_OK;
}
// Retain a reference so the object isn't deleted without IPDL's knowledge.
// Corresponding release occurs in DeallocPContentPermissionRequest.