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Bug 803825 - Part b: Paris bindings for FileHandle; r=khuey

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This commit is contained in:
Ms2ger 2012-12-02 09:58:57 +01:00
parent 72981363b7
commit 0a06568077
7 changed files with 162 additions and 75 deletions
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6
dom/bindings/Bindings.conf
View File

@ -230,6 +230,10 @@ DOMInterfaces = {
'concrete': False
}],
'FileHandle': {
'nativeType': 'mozilla::dom::file::FileHandle'
},
'FileList': {
'nativeType': 'nsDOMFileList',
'headerFile': 'nsDOMFile.h',
@ -736,11 +740,13 @@ addExternalIface('ClientRect')
addExternalIface('CSSRule')
addExternalIface('CSSValue')
addExternalIface('DocumentType', nativeType='nsIDOMDocumentType')
addExternalIface('DOMRequest')
addExternalIface('DOMStringList', nativeType='nsDOMStringList',
headerFile='nsDOMLists.h')
addExternalIface('File')
addExternalIface('HitRegionOptions', nativeType='nsISupports')
addExternalIface('HTMLElement')
addExternalIface('LockedFile')
addExternalIface('MediaStream')
addExternalIface('NamedNodeMap')
addExternalIface('PaintRequest')

99
dom/file/FileHandle.cpp
View File

@ -17,6 +17,8 @@
#include "LockedFile.h"
#include "MetadataHelper.h"
using namespace mozilla;
using namespace mozilla::dom;
USING_FILE_NAMESPACE
namespace {
@ -63,14 +65,14 @@ NS_IMPL_EVENT_HANDLER(FileHandle, abort)
NS_IMPL_EVENT_HANDLER(FileHandle, error)
NS_IMETHODIMP
FileHandle::GetName(nsAString& aName)
FileHandle::GetDOMName(nsAString& aName)
{
aName = mName;
return NS_OK;
}
NS_IMETHODIMP
FileHandle::GetType(nsAString& aType)
FileHandle::GetDOMType(nsAString& aType)
{
aType = mType;
return NS_OK;
@ -81,48 +83,77 @@ FileHandle::Open(const nsAString& aMode,
uint8_t aOptionalArgCount,
nsIDOMLockedFile** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (FileService::IsShuttingDown() || mFileStorage->IsStorageShuttingDown()) {
return NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR;
}
LockedFile::Mode mode;
FileMode mode;
if (aOptionalArgCount) {
if (aMode.EqualsLiteral("readwrite")) {
mode = LockedFile::READ_WRITE;
}
else if (aMode.EqualsLiteral("readonly")) {
mode = LockedFile::READ_ONLY;
}
else {
mode = FileModeValues::Readwrite;
} else if (aMode.EqualsLiteral("readonly")) {
mode = FileModeValues::Readonly;
} else {
return NS_ERROR_TYPE_ERR;
}
}
else {
mode = LockedFile::READ_ONLY;
} else {
mode = FileModeValues::Readonly;
}
nsRefPtr<LockedFile> lockedFile = LockedFile::Create(this, mode);
NS_ENSURE_TRUE(lockedFile, NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
ErrorResult rv;
nsCOMPtr<nsIDOMLockedFile> lockedFile = Open(mode, rv);
lockedFile.forget(_retval);
return NS_OK;
return rv.ErrorCode();
}
already_AddRefed<nsIDOMLockedFile>
FileHandle::Open(FileMode aMode, ErrorResult& aError)
{
MOZ_ASSERT(NS_IsMainThread());
if (FileService::IsShuttingDown() || mFileStorage->IsStorageShuttingDown()) {
aError.Throw(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return nullptr;
}
MOZ_STATIC_ASSERT(static_cast<uint32_t>(FileModeValues::Readonly) ==
static_cast<uint32_t>(LockedFile::READ_ONLY),
"Enum values should match.");
MOZ_STATIC_ASSERT(static_cast<uint32_t>(FileModeValues::Readwrite) ==
static_cast<uint32_t>(LockedFile::READ_WRITE),
"Enum values should match.");
nsRefPtr<LockedFile> lockedFile =
LockedFile::Create(this, static_cast<LockedFile::Mode>(aMode));
if (!lockedFile) {
aError.Throw(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return nullptr;
}
return lockedFile.forget();
}
NS_IMETHODIMP
FileHandle::GetFile(nsIDOMDOMRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ErrorResult rv;
nsCOMPtr<nsIDOMDOMRequest> request = GetFile(rv);
request.forget(_retval);
return rv.ErrorCode();
}
already_AddRefed<nsIDOMDOMRequest>
FileHandle::GetFile(ErrorResult& aError)
{
MOZ_ASSERT(NS_IsMainThread());
// Do nothing if the window is closed
if (!GetOwner()) {
return NS_OK;
return nullptr;
}
nsRefPtr<LockedFile> lockedFile =
LockedFile::Create(this, LockedFile::READ_ONLY, LockedFile::PARALLEL);
NS_ENSURE_TRUE(lockedFile, NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
if (!lockedFile) {
aError.Throw(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return nullptr;
}
nsRefPtr<FileRequest> request =
FileRequest::Create(GetOwner(), lockedFile, false);
@ -134,12 +165,13 @@ FileHandle::GetFile(nsIDOMDOMRequest** _retval)
new GetFileHelper(lockedFile, request, params, this);
nsresult rv = helper->Enqueue();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
if (NS_FAILED(rv)) {
aError.Throw(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return nullptr;
}
nsCOMPtr<nsIDOMDOMRequest> result = static_cast<DOMRequest*>(request);
result.forget(_retval);
return NS_OK;
nsRefPtr<DOMRequest> domRequest = request.forget();
return domRequest.forget();
}
NS_IMETHODIMP_(int64_t)
@ -167,3 +199,10 @@ GetFileHelper::GetSuccessResult(JSContext* aCx, jsval* aVal)
return NS_OK;
}
/* virtual */
JSObject*
FileHandle::WrapObject(JSContext* aCx, JSObject* aScope, bool* aTriedToWrap)
{
return FileHandleBinding::Wrap(aCx, aScope, this, aTriedToWrap);
}

27
dom/file/FileHandle.h
View File

@ -15,6 +15,9 @@
#include "nsDOMEventTargetHelper.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/FileHandleBinding.h"
class nsIDOMFile;
class nsIFileStorage;
@ -43,6 +46,26 @@ public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMFILEHANDLE
nsPIDOMWindow* GetParentObject() const
{
return GetOwner();
}
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope,
bool* aTriedToWrap) MOZ_OVERRIDE;
void GetName(nsString& aName) const
{
aName = mName;
}
void GetType(nsString& aType) const
{
aType = mType;
}
already_AddRefed<nsIDOMLockedFile> Open(FileMode aMode, ErrorResult& aError);
already_AddRefed<nsIDOMDOMRequest> GetFile(ErrorResult& aError);
IMPL_EVENT_HANDLER(abort)
IMPL_EVENT_HANDLER(error)
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileHandle, nsDOMEventTargetHelper)
const nsAString&
@ -65,7 +88,9 @@ public:
protected:
FileHandle()
{ }
{
SetIsDOMBinding();
}
~FileHandle()
{ }

2
dom/file/nsIDOMFileHandle.idl
View File

@ -25,8 +25,10 @@ interface nsIDOMLockedFile;
[scriptable, builtinclass, uuid(47438729-7f3f-4a66-b6d4-d1297c593d46)]
interface nsIDOMFileHandle : nsISupports
{
[binaryname(DOMName)]
readonly attribute DOMString name;
[binaryname(DOMType)]
readonly attribute DOMString type;
// mode can be either "readonly" or "readwrite"

78
dom/indexedDB/IDBObjectStore.cpp
View File

@ -1280,6 +1280,40 @@ IDBObjectStore::StructuredCloneWriteCallback(JSContext* aCx,
return JS_WriteBytes(aWriter, &value, sizeof(value));
}
IDBTransaction* transaction = cloneWriteInfo->mTransaction;
FileManager* fileManager = transaction->Database()->Manager();
file::FileHandle* fileHandle = nullptr;
if (NS_SUCCEEDED(UnwrapObject<file::FileHandle>(aCx, aObj, fileHandle))) {
nsRefPtr<FileInfo> fileInfo = fileHandle->GetFileInfo();
// Throw when trying to store non IDB file handles or IDB file handles
// across databases.
if (!fileInfo || fileInfo->Manager() != fileManager) {
return false;
}
NS_ConvertUTF16toUTF8 convType(fileHandle->Type());
uint32_t convTypeLength = SwapBytes(convType.Length());
NS_ConvertUTF16toUTF8 convName(fileHandle->Name());
uint32_t convNameLength = SwapBytes(convName.Length());
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_FILEHANDLE,
cloneWriteInfo->mFiles.Length()) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length()) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
StructuredCloneFile* file = cloneWriteInfo->mFiles.AppendElement();
file->mFileInfo = fileInfo.forget();
return true;
}
nsCOMPtr<nsIXPConnectWrappedNative> wrappedNative;
nsContentUtils::XPConnect()->
GetWrappedNativeOfJSObject(aCx, aObj, getter_AddRefs(wrappedNative));
@ -1287,9 +1321,6 @@ IDBObjectStore::StructuredCloneWriteCallback(JSContext* aCx,
if (wrappedNative) {
nsISupports* supports = wrappedNative->Native();
IDBTransaction* transaction = cloneWriteInfo->mTransaction;
FileManager* fileManager = transaction->Database()->Manager();
nsCOMPtr<nsIDOMBlob> blob = do_QueryInterface(supports);
if (blob) {
nsCOMPtr<nsIInputStream> inputStream;
@ -1372,47 +1403,6 @@ IDBObjectStore::StructuredCloneWriteCallback(JSContext* aCx,
return true;
}
nsCOMPtr<nsIDOMFileHandle> fileHandle = do_QueryInterface(supports);
if (fileHandle) {
nsRefPtr<FileInfo> fileInfo = fileHandle->GetFileInfo();
// Throw when trying to store non IDB file handles or IDB file handles
// across databases.
if (!fileInfo || fileInfo->Manager() != fileManager) {
return false;
}
nsString type;
if (NS_FAILED(fileHandle->GetType(type))) {
NS_WARNING("Failed to get type!");
return false;
}
NS_ConvertUTF16toUTF8 convType(type);
uint32_t convTypeLength = SwapBytes(convType.Length());
nsString name;
if (NS_FAILED(fileHandle->GetName(name))) {
NS_WARNING("Failed to get name!");
return false;
}
NS_ConvertUTF16toUTF8 convName(name);
uint32_t convNameLength = SwapBytes(convName.Length());
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_FILEHANDLE,
cloneWriteInfo->mFiles.Length()) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length()) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
StructuredCloneFile* file = cloneWriteInfo->mFiles.AppendElement();
file->mFileInfo = fileInfo.forget();
return true;
}
}
// try using the runtime callbacks

24
dom/webidl/FileHandle.webidl Normal file
View File

@ -0,0 +1,24 @@
/* 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/. */
interface DOMRequest;
interface LockedFile;
enum FileMode { "readonly", "readwrite" };
interface FileHandle : EventTarget {
readonly attribute DOMString name;
readonly attribute DOMString type;
[Throws]
LockedFile open(optional FileMode mode = "readonly");
[Throws]
DOMRequest getFile();
[SetterThrows]
attribute EventHandler onabort;
[SetterThrows]
attribute EventHandler onerror;
};

1
dom/webidl/WebIDL.mk
View File

@ -32,6 +32,7 @@ webidl_files = \
EventHandler.webidl \
EventListener.webidl \
EventTarget.webidl \
FileHandle.webidl \
FileList.webidl \
FileReaderSync.webidl \
Function.webidl \