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 #ifndef UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ 6 #define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ 7 8 #include <string> 9 10 #include "ui/app_list/search_box_model_observer.h" 11 #include "ui/app_list/speech_ui_model_observer.h" 12 #include "ui/views/controls/button/image_button.h" 13 #include "ui/views/controls/button/menu_button_listener.h" 14 #include "ui/views/controls/textfield/textfield_controller.h" 15 #include "ui/views/view.h" 16 17 namespace views { 18 class ImageView; 19 class MenuButton; 20 class Textfield; 21 } // namespace views 22 23 namespace app_list { 24 25 class AppListMenuViews; 26 class AppListModel; 27 class AppListViewDelegate; 28 class SearchBoxModel; 29 class SearchBoxViewDelegate; 30 31 // SearchBoxView consists of an icon and a Textfield. SearchBoxModel is its data 32 // model that controls what icon to display, what placeholder text to use for 33 // Textfield. The text and selection model part could be set to change the 34 // contents and selection model of the Textfield. 35 class APP_LIST_EXPORT SearchBoxView : public views::View, 36 public views::TextfieldController, 37 public views::ButtonListener, 38 public views::MenuButtonListener, 39 public SearchBoxModelObserver, 40 public SpeechUIModelObserver { 41 public: 42 SearchBoxView(SearchBoxViewDelegate* delegate, 43 AppListViewDelegate* view_delegate); 44 virtual ~SearchBoxView(); 45 46 void ModelChanged(); 47 bool HasSearch() const; 48 void ClearSearch(); 49 void InvalidateMenu(); 50 search_box()51 views::Textfield* search_box() { return search_box_; } 52 set_contents_view(views::View * contents_view)53 void set_contents_view(views::View* contents_view) { 54 contents_view_ = contents_view; 55 } 56 57 // Overridden from views::View: 58 virtual gfx::Size GetPreferredSize() const OVERRIDE; 59 virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE; 60 61 private: 62 // Updates model text and selection model with current Textfield info. 63 void UpdateModel(); 64 65 // Fires query change notification. 66 void NotifyQueryChanged(); 67 68 // Overridden from views::TextfieldController: 69 virtual void ContentsChanged(views::Textfield* sender, 70 const base::string16& new_contents) OVERRIDE; 71 virtual bool HandleKeyEvent(views::Textfield* sender, 72 const ui::KeyEvent& key_event) OVERRIDE; 73 74 // Overridden from views::ButtonListener: 75 virtual void ButtonPressed(views::Button* sender, 76 const ui::Event& event) OVERRIDE; 77 78 // Overridden from views::MenuButtonListener: 79 virtual void OnMenuButtonClicked(View* source, 80 const gfx::Point& point) OVERRIDE; 81 82 // Overridden from SearchBoxModelObserver: 83 virtual void IconChanged() OVERRIDE; 84 virtual void SpeechRecognitionButtonPropChanged() OVERRIDE; 85 virtual void HintTextChanged() OVERRIDE; 86 virtual void SelectionModelChanged() OVERRIDE; 87 virtual void TextChanged() OVERRIDE; 88 89 // Overridden from SpeechUIModelObserver: 90 virtual void OnSpeechRecognitionStateChanged( 91 SpeechRecognitionState new_state) OVERRIDE; 92 93 SearchBoxViewDelegate* delegate_; // Not owned. 94 AppListViewDelegate* view_delegate_; // Not owned. 95 AppListModel* model_; // Owned by the profile-keyed service. 96 97 scoped_ptr<AppListMenuViews> menu_; 98 99 views::ImageView* icon_view_; // Owned by views hierarchy. 100 views::ImageButton* speech_button_; // Owned by views hierarchy. 101 views::MenuButton* menu_button_; // Owned by views hierarchy. 102 views::Textfield* search_box_; // Owned by views hierarchy. 103 views::View* contents_view_; // Owned by views hierarchy. 104 105 DISALLOW_COPY_AND_ASSIGN(SearchBoxView); 106 }; 107 108 } // namespace app_list 109 110 #endif // UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ 111