The Tor Browser: layout/generic/nsAutoCopyListener.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsAutoCopyListener_h_

     7 #define nsAutoCopyListener_h_

     9 #include "nsISelectionListener.h"

    10 #include "nsISelectionPrivate.h"

    11 #include "mozilla/Attributes.h"

    13 class nsAutoCopyListener MOZ_FINAL : public nsISelectionListener

    14 {

    15 public:

    16   NS_DECL_ISUPPORTS

    17   NS_DECL_NSISELECTIONLISTENER

    19   void Listen(nsISelectionPrivate *aSelection)

    20   {

    21       NS_ASSERTION(aSelection, "Null selection passed to Listen()");

    22       aSelection->AddSelectionListener(this);

    23   }

    25   static nsAutoCopyListener* GetInstance()

    26   {

    27     if (!sInstance) {

    28       sInstance = new nsAutoCopyListener();

    30       NS_ADDREF(sInstance);

    31     }

    33     return sInstance;

    34   }

    36   static void Shutdown()

    37   {

    38     NS_IF_RELEASE(sInstance);

    39   }

    41 private:

    42   static nsAutoCopyListener* sInstance;

    43 };

    45 #endif

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