ui/app_list/search_box_model.cc

   1 // Copyright (c) 2012 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/app_list/search_box_model.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "ui/app_list/search_box_model_observer.h"
   9
  10 namespace app_list {
  11
  12 SearchBoxModel::SpeechButtonProperty::SpeechButtonProperty(
  13     const gfx::ImageSkia& on_icon,
  14     const base::string16& on_tooltip,
  15     const gfx::ImageSkia& off_icon,
  16     const base::string16& off_tooltip)
  17     : on_icon(on_icon),
  18       on_tooltip(on_tooltip),
  19       off_icon(off_icon),
  20       off_tooltip(off_tooltip) {
  21 }
  22
  23 SearchBoxModel::SpeechButtonProperty::~SpeechButtonProperty() {
  24 }
  25
  26 SearchBoxModel::SearchBoxModel() {
  27 }
  28
  29 SearchBoxModel::~SearchBoxModel() {
  30 }
  31
  32 void SearchBoxModel::SetIcon(const gfx::ImageSkia& icon) {
  33   icon_ = icon;
  34   FOR_EACH_OBSERVER(SearchBoxModelObserver, observers_, IconChanged());
  35 }
  36
  37 void SearchBoxModel::SetSpeechRecognitionButton(
  38     scoped_ptr<SearchBoxModel::SpeechButtonProperty> speech_button) {
  39   speech_button_ = speech_button.Pass();
  40   FOR_EACH_OBSERVER(SearchBoxModelObserver,
  41                     observers_,
  42                     SpeechRecognitionButtonPropChanged());
  43 }
  44
  45 void SearchBoxModel::SetHintText(const base::string16& hint_text) {
  46   if (hint_text_ == hint_text)
  47     return;
  48
  49   hint_text_ = hint_text;
  50   FOR_EACH_OBSERVER(SearchBoxModelObserver, observers_, HintTextChanged());
  51 }
  52
  53 void SearchBoxModel::SetSelectionModel(const gfx::SelectionModel& sel) {
  54   if (selection_model_ == sel)
  55     return;
  56
  57   selection_model_ = sel;
  58   FOR_EACH_OBSERVER(SearchBoxModelObserver,
  59                     observers_,
  60                     SelectionModelChanged());
  61 }
  62
  63 void SearchBoxModel::SetText(const base::string16& text) {
  64   if (text_ == text)
  65     return;
  66
  67   // Log that a new search has been commenced whenever the text box text
  68   // transitions from empty to non-empty.
  69   if (text_.empty() && !text.empty()) {
  70     UMA_HISTOGRAM_ENUMERATION("Apps.AppListSearchCommenced", 1, 2);
  71   }
  72   text_ = text;
  73   FOR_EACH_OBSERVER(SearchBoxModelObserver, observers_, TextChanged());
  74 }
  75
  76 void SearchBoxModel::AddObserver(SearchBoxModelObserver* observer) {
  77   observers_.AddObserver(observer);
  78 }
  79
  80 void SearchBoxModel::RemoveObserver(SearchBoxModelObserver* observer) {
  81   observers_.RemoveObserver(observer);
  82 }
  83
  84 }  // namespace app_list