third_party/WebKit/public/web/WebSelection.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WebSelection_h
   6 #define WebSelection_h
   7
   8 #include "../platform/WebCommon.h"
   9 #include "../platform/WebSelectionBound.h"
  10
  11 namespace blink {
  12
  13 struct CompositedSelection;
  14
  15 // The active selection region, containing compositing data for the selection
  16 // end points as well as metadata for the selection region.
  17 class BLINK_EXPORT WebSelection {
  18 public:
  19     enum SelectionType { NoSelection, CaretSelection, RangeSelection };
  20
  21 #if INSIDE_BLINK
  22     explicit WebSelection(const CompositedSelection&);
  23 #endif
  24     WebSelection(const WebSelection&);
  25
  26     const WebSelectionBound& start() const { return m_start; }
  27     const WebSelectionBound& end() const { return m_end; }
  28
  29     bool isNone() const { return selectionType() == NoSelection; }
  30     bool isCaret() const { return selectionType() == CaretSelection; }
  31     bool isRange() const { return selectionType() == RangeSelection; }
  32
  33     bool isEditable() const { return m_isEditable; }
  34     bool isEmptyTextFormControl() const { return m_isEmptyTextFormControl; }
  35
  36 private:
  37     SelectionType selectionType() const { return m_selectionType; }
  38
  39     SelectionType m_selectionType;
  40
  41     WebSelectionBound m_start;
  42     WebSelectionBound m_end;
  43
  44     // Whether the selection region consists of editable text.
  45     bool m_isEditable;
  46
  47     // Whether the selection resides in an empty text form control. Note that
  48     // this only applies to caret-type selections.
  49     bool m_isEmptyTextFormControl;
  50 };
  51
  52 } // namespace blink
  53
  54 #endif // WebSelection_h