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
12namespace ui {
13
14namespace {
15// The default entry number of a page in CandidateWindow.
16const int kDefaultPageSize = 9;
17}  // namespace
18
19CandidateWindow::CandidateWindow()
20    : property_(new CandidateWindowProperty) {
21}
22
23CandidateWindow::~CandidateWindow() {
24}
25
26bool 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
50void CandidateWindow::CopyFrom(const CandidateWindow& cw) {
51  SetProperty(cw.GetProperty());
52  candidates_.clear();
53  candidates_ = cw.candidates_;
54}
55
56
57void 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.
85CandidateWindow::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
94CandidateWindow::CandidateWindowProperty::~CandidateWindowProperty() {
95}
96
97CandidateWindow::Entry::Entry() {
98}
99
100CandidateWindow::Entry::~Entry() {
101}
102
103}  // namespace ui
104