ui/base/ime/candidate_window.cc

   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 #include "ui/base/ime/candidate_window.h"
   6
   7 #include <string>
   8 #include "base/logging.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/values.h"
  11
  12 namespace ui {
  13
  14 namespace {
  15 // The default entry number of a page in CandidateWindow.
  16 const int kDefaultPageSize = 9;
  17 }  // namespace
  18
  19 CandidateWindow::CandidateWindow()
  20     : property_(new CandidateWindowProperty) {
  21 }
  22
  23 CandidateWindow::~CandidateWindow() {
  24 }
  25
  26 bool CandidateWindow::IsEqual(const CandidateWindow& cw) const {
  27   if (page_size() != cw.page_size() ||
  28       cursor_position() != cw.cursor_position() ||
  29       is_cursor_visible() != cw.is_cursor_visible() ||
  30       orientation() != cw.orientation() ||
  31       show_window_at_composition() != cw.show_window_at_composition() ||
  32       is_auxiliary_text_visible() != cw.is_auxiliary_text_visible() ||
  33       auxiliary_text() != cw.auxiliary_text() ||
  34       candidates_.size() != cw.candidates_.size())
  35     return false;
  36
  37   for (size_t i = 0; i < candidates_.size(); ++i) {
  38     const Entry& left = candidates_[i];
  39     const Entry& right = cw.candidates_[i];
  40     if (left.value != right.value ||
  41         left.label != right.label ||
  42         left.annotation != right.annotation ||
  43         left.description_title != right.description_title ||
  44         left.description_body != right.description_body)
  45       return false;
  46   }
  47   return true;
  48 }
  49
  50 void CandidateWindow::CopyFrom(const CandidateWindow& cw) {
  51   SetProperty(cw.GetProperty());
  52   candidates_.clear();
  53   candidates_ = cw.candidates_;
  54 }
  55
  56
  57 void CandidateWindow::GetInfolistEntries(
  58     std::vector<ui::InfolistEntry>* infolist_entries,
  59     bool* has_highlighted) const {
  60   DCHECK(infolist_entries);
  61   DCHECK(has_highlighted);
  62   infolist_entries->clear();
  63   *has_highlighted = false;
  64
  65   const size_t cursor_index_in_page = cursor_position() % page_size();
  66
  67   for (size_t i = 0; i < candidates().size(); ++i) {
  68     const CandidateWindow::Entry& candidate_entry = candidates()[i];
  69     if (candidate_entry.description_title.empty() &&
  70         candidate_entry.description_body.empty())
  71       continue;
  72
  73     InfolistEntry entry(candidate_entry.description_title,
  74                         candidate_entry.description_body);
  75     if (i == cursor_index_in_page) {
  76       entry.highlighted = true;
  77       *has_highlighted = true;
  78     }
  79     infolist_entries->push_back(entry);
  80   }
  81 }
  82
  83 // When the default values are changed, please modify
  84 // InputMethodEngineInterface::CandidateWindowProperty too.
  85 CandidateWindow::CandidateWindowProperty::CandidateWindowProperty()
  86     : page_size(kDefaultPageSize),
  87       cursor_position(0),
  88       is_cursor_visible(true),
  89       is_vertical(false),
  90       show_window_at_composition(false),
  91       is_auxiliary_text_visible(false) {
  92 }
  93
  94 CandidateWindow::CandidateWindowProperty::~CandidateWindowProperty() {
  95 }
  96
  97 CandidateWindow::Entry::Entry() {
  98 }
  99
 100 CandidateWindow::Entry::~Entry() {
 101 }
 102
 103 }  // namespace ui