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      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
    104