diff options
Diffstat (limited to 'dom/indexedDB/IDBFileRequest.cpp')
-rw-r--r-- | dom/indexedDB/IDBFileRequest.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/dom/indexedDB/IDBFileRequest.cpp b/dom/indexedDB/IDBFileRequest.cpp new file mode 100644 index 000000000..066b2b24a --- /dev/null +++ b/dom/indexedDB/IDBFileRequest.cpp @@ -0,0 +1,157 @@ +/* -*- 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 |