/* -*- 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