зеркало из https://github.com/mozilla/gecko-dev.git
105 строки
2.5 KiB
C++
105 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_idbfilerequest_h__
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#define mozilla_dom_idbfilerequest_h__
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#include "DOMRequest.h"
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#include "js/TypeDecls.h"
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#include "mozilla/Attributes.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsString.h"
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namespace mozilla {
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class EventChainPreVisitor;
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namespace dom {
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class IDBFileHandle;
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class IDBFileRequest final : public DOMRequest {
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RefPtr<IDBFileHandle> mFileHandle;
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nsString mEncoding;
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bool mWrapAsDOMRequest;
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bool mHasEncoding;
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public:
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[[nodiscard]] static RefPtr<IDBFileRequest> Create(IDBFileHandle* aFileHandle,
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bool aWrapAsDOMRequest);
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void SetEncoding(const nsAString& aEncoding) {
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mEncoding = aEncoding;
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mHasEncoding = true;
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}
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const nsAString& GetEncoding() const { return mEncoding; }
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bool HasEncoding() const { return mHasEncoding; }
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void FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);
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template <typename ResultCallback>
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void SetResult(const ResultCallback& aCallback) {
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AssertIsOnOwningThread();
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AutoJSAPI autoJS;
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if (NS_WARN_IF(!autoJS.Init(GetOwnerGlobal()))) {
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FireError(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
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return;
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}
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JSContext* cx = autoJS.cx();
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JS::Rooted<JS::Value> result(cx);
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nsresult rv = aCallback(cx, &result);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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FireError(rv);
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} else {
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FireSuccess(result);
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}
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}
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// WebIDL
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IDBFileHandle* GetFileHandle() const {
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AssertIsOnOwningThread();
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return mFileHandle;
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}
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IDBFileHandle* GetLockedFile() const {
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AssertIsOnOwningThread();
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return GetFileHandle();
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}
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IMPL_EVENT_HANDLER(progress)
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void AssertIsOnOwningThread() const {
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NS_ASSERT_OWNINGTHREAD(IDBFileRequest);
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}
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBFileRequest, DOMRequest)
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// EventTarget
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void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
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// nsWrapperCache
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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private:
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IDBFileRequest(IDBFileHandle* aFileHandle, bool aWrapAsDOMRequest);
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~IDBFileRequest();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_idbfilerequest_h__
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