gecko-dev/widget/windows/JumpListBuilder.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 __JumpListBuilder_h__
#define __JumpListBuilder_h__

#include <windows.h>

#undef NTDDI_VERSION
#define NTDDI_VERSION NTDDI_WIN7
// Needed for various com interfaces
#include <shobjidl.h>
#undef LogSeverity // SetupAPI.h #defines this as DWORD

#include "nsString.h"
#include "nsIMutableArray.h"

#include "nsIJumpListBuilder.h"
#include "nsIJumpListItem.h"
#include "JumpListItem.h"
#include "nsIObserver.h"
#include "mozilla/Attributes.h"
#include "mozilla/ReentrantMonitor.h"

namespace mozilla {
namespace widget {

namespace detail {
class DoneCommitListBuildCallback;
} // namespace detail

class JumpListBuilder : public nsIJumpListBuilder, 
                        public nsIObserver
{
  virtual ~JumpListBuilder();

public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIJUMPLISTBUILDER
  NS_DECL_NSIOBSERVER

  JumpListBuilder();

protected:
  static Atomic<bool> sBuildingList;

private:
  RefPtr<ICustomDestinationList> mJumpListMgr;
  uint32_t mMaxItems;
  bool mHasCommit;
  nsCOMPtr<nsIThread> mIOThread;
  ReentrantMonitor mMonitor;

  bool IsSeparator(nsCOMPtr<nsIJumpListItem>& item);
  nsresult TransferIObjectArrayToIMutableArray(IObjectArray *objArray, nsIMutableArray *removedItems);
  nsresult RemoveIconCacheForItems(nsIMutableArray *removedItems);
  nsresult RemoveIconCacheForAllItems();
  void DoCommitListBuild(RefPtr<detail::DoneCommitListBuildCallback> aCallback);

  friend class WinTaskbar;
};

} // namespace widget
} // namespace mozilla

#endif /* __JumpListBuilder_h__ */