third_party/WebKit/Source/core/editing/PendingSelection.h

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  * Copyright (C) 2006 Apple Computer, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  *
  20  */
  21
  22 #ifndef PendingSelection_h
  23 #define PendingSelection_h
  24
  25 #include "core/editing/Position.h"
  26 #include "core/editing/VisibleSelection.h"
  27 #include "platform/heap/Handle.h"
  28
  29 namespace blink {
  30
  31 class Document;
  32 class FrameSelection;
  33 class LayoutView;
  34
  35 class PendingSelection final : public NoBaseWillBeGarbageCollected<PendingSelection> {
  36     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(PendingSelection);
  37 public:
  38     static PassOwnPtrWillBeRawPtr<PendingSelection> create(FrameSelection& frameSelection)
  39     {
  40         return adoptPtrWillBeNoop(new PendingSelection(frameSelection));
  41     }
  42
  43     bool hasPendingSelection() const { return m_hasPendingSelection; }
  44     void setHasPendingSelection() { m_hasPendingSelection = true; }
  45     void commit(LayoutView&);
  46
  47     DECLARE_TRACE();
  48
  49 private:
  50     PendingSelection(FrameSelection&);
  51
  52     const VisibleSelection& visibleSelection() const;
  53
  54     template <typename Strategy>
  55     VisibleSelectionTemplate<Strategy> calcVisibleSelectionAlgorithm(const VisibleSelectionTemplate<Strategy>&) const;
  56     template <typename Strategy>
  57     void commitAlgorithm(LayoutView&);
  58
  59     RawPtrWillBeMember<FrameSelection> m_frameSelection;
  60     bool m_hasPendingSelection : 1;
  61 };
  62
  63 } // namespace blink
  64
  65 #endif