third_party/WebKit/Source/web/WebSelection.cpp

   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 #include "config.h"
   6
   7 #include "public/web/WebSelection.h"
   8
   9 #include "core/editing/SelectionType.h"
  10 #include "core/layout/compositing/CompositedSelection.h"
  11
  12 namespace blink {
  13
  14 static WebSelectionBound getWebSelectionBound(const CompositedSelection& selection, bool isStart)
  15 {
  16     ASSERT(selection.type != NoSelection);
  17     const CompositedSelectionBound& bound = isStart ? selection.start : selection.end;
  18     ASSERT(bound.layer);
  19
  20     WebSelectionBound::Type type = WebSelectionBound::Caret;
  21     if (selection.type == RangeSelection) {
  22         if (isStart)
  23             type = bound.isTextDirectionRTL ? WebSelectionBound::SelectionRight : WebSelectionBound::SelectionLeft;
  24         else
  25             type = bound.isTextDirectionRTL ? WebSelectionBound::SelectionLeft : WebSelectionBound::SelectionRight;
  26     }
  27
  28     WebSelectionBound result(type);
  29     result.layerId = bound.layer->platformLayer()->id();
  30     result.edgeTopInLayer = roundedIntPoint(bound.edgeTopInLayer);
  31     result.edgeBottomInLayer = roundedIntPoint(bound.edgeBottomInLayer);
  32     result.isTextDirectionRTL = bound.isTextDirectionRTL;
  33     return result;
  34 }
  35
  36 // SelectionType enums have the same values; enforced in AssertMatchingEnums.cpp.
  37 WebSelection::WebSelection(const CompositedSelection& selection)
  38     : m_selectionType(static_cast<WebSelection::SelectionType>(selection.type))
  39     , m_start(getWebSelectionBound(selection, true))
  40     , m_end(getWebSelectionBound(selection, false))
  41     , m_isEditable(selection.isEditable)
  42     , m_isEmptyTextFormControl(selection.isEmptyTextFormControl)
  43 {
  44 }
  45
  46 WebSelection::WebSelection(const WebSelection& other)
  47     : m_selectionType(other.m_selectionType)
  48     , m_start(other.m_start)
  49     , m_end(other.m_end)
  50     , m_isEditable(other.m_isEditable)
  51     , m_isEmptyTextFormControl(other.m_isEmptyTextFormControl)
  52 {
  53 }
  54
  55 } // namespace blink