third_party/WebKit/public/platform/WebSelectionBound.h

   1 // Copyright 2014 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 WebSelectionBound_h
   6 #define WebSelectionBound_h
   7
   8 #include "public/platform/WebPoint.h"
   9
  10 namespace blink {
  11
  12 // An endpoint for an active selection region.
  13 // TODO(jdduke): Move this to web/ after downstream code adopts |WebSelection|.
  14 struct WebSelectionBound {
  15     // TODO(jdduke): Remove the type identifier after downstream code adopts
  16     // |WebSelection| for determining bound orientation.
  17     enum Type {
  18         Caret,
  19         SelectionLeft,
  20         SelectionRight
  21     };
  22
  23     explicit WebSelectionBound(Type type)
  24         : type(type)
  25         , layerId(0)
  26         , isTextDirectionRTL(false)
  27     {
  28     }
  29
  30     // The logical type of the endpoint. Note that this is dependent not only on
  31     // the bound's relative location, but also the underlying text direction.
  32     Type type;
  33
  34     // The id of the platform layer to which the bound should be anchored.
  35     int layerId;
  36
  37     // The bottom and top coordinates of the edge (caret), in layer coordinates,
  38     // that define the selection bound.
  39     WebPoint edgeTopInLayer;
  40     WebPoint edgeBottomInLayer;
  41
  42     // Whether the text direction at this location is RTL.
  43     bool isTextDirectionRTL;
  44 };
  45
  46 } // namespace blink
  47
  48 #endif