dom/archivereader/ArchiveRequest.h
author Mason Chang <mchang@mozilla.com>
Tue, 16 Feb 2016 09:07:52 -0800
changeset 284382 b85eae6c9a0582aa8bd92ec4adf4fea753ae539c
parent 282426 e22b3043887ed36bf2c634c2924a7c8d39d226b1
child 323072 fa88425550714adf2c999aa37da4b21b921c5d11
permissions -rw-r--r--
Bug 1246213 - Skia reftest fuzzing for Skia content on OS X. r=jmuizelaar

/* -*- 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/. */

#ifndef mozilla_dom_archivereader_domarchiverequest_h__
#define mozilla_dom_archivereader_domarchiverequest_h__

#include "mozilla/Attributes.h"
#include "ArchiveReader.h"
#include "DOMRequest.h"

#include "ArchiveReaderCommon.h"

namespace mozilla {
class EventChainPreVisitor;
} // namespace mozilla

BEGIN_ARCHIVEREADER_NAMESPACE

/**
 * This is the ArchiveRequest that handles any operation
 * related to ArchiveReader
 */
class ArchiveRequest : public mozilla::dom::DOMRequest
{
public:
  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  ArchiveReader* Reader() const;

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ArchiveRequest, DOMRequest)

  ArchiveRequest(nsPIDOMWindowInner* aWindow,
                 ArchiveReader* aReader);

  // nsIDOMEventTarget
  virtual nsresult PreHandleEvent(EventChainPreVisitor& aVisitor) override;

public:
  // This is called by the DOMArchiveRequestEvent
  void Run();

  // Set the types for this request
  void OpGetFilenames();
  void OpGetFile(const nsAString& aFilename);
  void OpGetFiles();

  nsresult ReaderReady(nsTArray<RefPtr<File>>& aFileList, nsresult aStatus);

public: // static
  static already_AddRefed<ArchiveRequest> Create(nsPIDOMWindowInner* aOwner,
                                                 ArchiveReader* aReader);

private:
  ~ArchiveRequest();

  nsresult GetFilenamesResult(JSContext* aCx,
                              JS::Value* aValue,
                              nsTArray<RefPtr<File>>& aFileList);
  nsresult GetFileResult(JSContext* aCx,
                         JS::MutableHandle<JS::Value> aValue,
                         nsTArray<RefPtr<File>>& aFileList);
  nsresult GetFilesResult(JSContext* aCx,
                          JS::MutableHandle<JS::Value> aValue,
                          nsTArray<RefPtr<File>>& aFileList);

protected:
  // The reader:
  RefPtr<ArchiveReader> mArchiveReader;

  // The operation:
  enum {
    GetFilenames,
    GetFile,
    GetFiles
  } mOperation;

  // The filename (needed by GetFile):
  nsString mFilename;
};

END_ARCHIVEREADER_NAMESPACE

#endif // mozilla_dom_archivereader_domarchiverequest_h__