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/* -*- 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 "IDBFileRequest.h"
#include "IDBFileHandle.h"
#include "js/RootingAPI.h"
#include "jsapi.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/IDBFileRequestBinding.h"
#include "mozilla/dom/ProgressEvent.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/EventDispatcher.h"
#include "nsCOMPtr.h"
#include "nsDebug.h"
#include "nsError.h"
#include "nsLiteralString.h"
namespace mozilla {
namespace dom {
using namespace mozilla::dom::indexedDB;
IDBFileRequest::IDBFileRequest(nsPIDOMWindowInner* aWindow,
IDBFileHandle* aFileHandle,
bool aWrapAsDOMRequest)
: DOMRequest(aWindow)
, FileRequestBase(DEBUGONLY(aFileHandle->OwningThread()))
, mFileHandle(aFileHandle)
, mWrapAsDOMRequest(aWrapAsDOMRequest)
{
AssertIsOnOwningThread();
}
IDBFileRequest::~IDBFileRequest()
{
AssertIsOnOwningThread();
}
// static
already_AddRefed<IDBFileRequest>
IDBFileRequest::Create(nsPIDOMWindowInner* aOwner, IDBFileHandle* aFileHandle,
bool aWrapAsDOMRequest)
{
MOZ_ASSERT(aFileHandle);
aFileHandle->AssertIsOnOwningThread();
RefPtr<IDBFileRequest> request =
new IDBFileRequest(aOwner, aFileHandle, aWrapAsDOMRequest);
return request.forget();
}
NS_IMPL_ADDREF_INHERITED(IDBFileRequest, DOMRequest)
NS_IMPL_RELEASE_INHERITED(IDBFileRequest, DOMRequest)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(IDBFileRequest)
NS_INTERFACE_MAP_END_INHERITING(DOMRequest)
NS_IMPL_CYCLE_COLLECTION_INHERITED(IDBFileRequest, DOMRequest,
mFileHandle)
nsresult
IDBFileRequest::PreHandleEvent(EventChainPreVisitor& aVisitor)
{
AssertIsOnOwningThread();
aVisitor.mCanHandle = true;
aVisitor.mParentTarget = mFileHandle;
return NS_OK;
}
// virtual
JSObject*
IDBFileRequest::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
AssertIsOnOwningThread();
if (mWrapAsDOMRequest) {
return DOMRequest::WrapObject(aCx, aGivenProto);
}
return IDBFileRequestBinding::Wrap(aCx, this, aGivenProto);
}
mozilla::dom::FileHandleBase*
IDBFileRequest::FileHandle() const
{
AssertIsOnOwningThread();
return mFileHandle;
}
void
IDBFileRequest::OnProgress(uint64_t aProgress, uint64_t aProgressMax)
{
AssertIsOnOwningThread();
FireProgressEvent(aProgress, aProgressMax);
}
void
IDBFileRequest::SetResultCallback(ResultCallback* aCallback)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCallback);
AutoJSAPI autoJS;
if (NS_WARN_IF(!autoJS.Init(GetOwner()))) {
FireError(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return;
}
JSContext* cx = autoJS.cx();
JS::Rooted<JS::Value> result(cx);
nsresult rv = aCallback->GetResult(cx, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
FireError(rv);
} else {
FireSuccess(result);
}
}
void
IDBFileRequest::SetError(nsresult aError)
{
AssertIsOnOwningThread();
FireError(aError);
}
void
IDBFileRequest::FireProgressEvent(uint64_t aLoaded, uint64_t aTotal)
{
AssertIsOnOwningThread();
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
ProgressEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mLengthComputable = false;
init.mLoaded = aLoaded;
init.mTotal = aTotal;
RefPtr<ProgressEvent> event =
ProgressEvent::Constructor(this, NS_LITERAL_STRING("progress"), init);
DispatchTrustedEvent(event);
}
} // namespace dom
} // namespace mozilla
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