| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ |
| #define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ |
| |
| #include <string> |
| |
| #include "ui/app_list/search_box_model_observer.h" |
| #include "ui/app_list/speech_ui_model_observer.h" |
| #include "ui/gfx/shadow_value.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/controls/button/menu_button_listener.h" |
| #include "ui/views/controls/textfield/textfield_controller.h" |
| #include "ui/views/view.h" |
| |
| namespace views { |
| class ImageView; |
| class MenuButton; |
| class Textfield; |
| } // namespace views |
| |
| namespace app_list { |
| |
| // Possible locations for partial keyboard focus (but note that the search |
| // box always handles typing). |
| enum SearchBoxFocus { |
| FOCUS_BACK_BUTTON, // Back button, only responds to ENTER |
| FOCUS_SEARCH_BOX, // Nothing else has partial focus |
| FOCUS_MIC_BUTTON, // Mic button, only responds to ENTER |
| FOCUS_CONTENTS_VIEW, // Something outside the SearchBox is selected |
| }; |
| |
| class AppListMenuViews; |
| class AppListModel; |
| class AppListViewDelegate; |
| class SearchBoxModel; |
| class SearchBoxViewDelegate; |
| class SearchBoxImageButton; |
| |
| // SearchBoxView consists of an icon and a Textfield. SearchBoxModel is its data |
| // model that controls what icon to display, what placeholder text to use for |
| // Textfield. The text and selection model part could be set to change the |
| // contents and selection model of the Textfield. |
| class APP_LIST_EXPORT SearchBoxView : public views::View, |
| public views::TextfieldController, |
| public views::ButtonListener, |
| public views::MenuButtonListener, |
| public SearchBoxModelObserver, |
| public SpeechUIModelObserver { |
| public: |
| SearchBoxView(SearchBoxViewDelegate* delegate, |
| AppListViewDelegate* view_delegate); |
| ~SearchBoxView() override; |
| |
| void ModelChanged(); |
| bool HasSearch() const; |
| void ClearSearch(); |
| void InvalidateMenu(); |
| |
| // Sets the shadow border of the search box. |
| void SetShadow(const gfx::ShadowValue& shadow); |
| |
| // Returns the bounds to use for the view (including the shadow) given the |
| // desired bounds of the search box contents. |
| gfx::Rect GetViewBoundsForSearchBoxContentsBounds( |
| const gfx::Rect& rect) const; |
| |
| views::ImageButton* back_button(); |
| views::Textfield* search_box() { return search_box_; } |
| |
| void set_contents_view(views::View* contents_view) { |
| contents_view_ = contents_view; |
| } |
| |
| // Moves focus forward/backwards in response to TAB. |
| bool MoveTabFocus(bool move_backwards); |
| |
| // Moves focus to contents or SearchBox and unselects buttons. |
| void ResetTabFocus(bool on_contents); |
| |
| // Sets voice label for Back button depending on whether a folder is open. |
| void SetBackButtonLabel(bool folder); |
| |
| // Overridden from views::View: |
| gfx::Size GetPreferredSize() const override; |
| bool OnMouseWheel(const ui::MouseWheelEvent& event) override; |
| void OnEnabledChanged() override; |
| |
| private: |
| // Updates model text and selection model with current Textfield info. |
| void UpdateModel(); |
| |
| // Fires query change notification. |
| void NotifyQueryChanged(); |
| |
| // Overridden from views::TextfieldController: |
| void ContentsChanged(views::Textfield* sender, |
| const base::string16& new_contents) override; |
| bool HandleKeyEvent(views::Textfield* sender, |
| const ui::KeyEvent& key_event) override; |
| |
| // Overridden from views::ButtonListener: |
| void ButtonPressed(views::Button* sender, const ui::Event& event) override; |
| |
| // Overridden from views::MenuButtonListener: |
| void OnMenuButtonClicked(View* source, const gfx::Point& point) override; |
| |
| // Overridden from SearchBoxModelObserver: |
| void IconChanged() override; |
| void SpeechRecognitionButtonPropChanged() override; |
| void HintTextChanged() override; |
| void SelectionModelChanged() override; |
| void TextChanged() override; |
| |
| // Overridden from SpeechUIModelObserver: |
| void OnSpeechRecognitionStateChanged( |
| SpeechRecognitionState new_state) override; |
| |
| SearchBoxViewDelegate* delegate_; // Not owned. |
| AppListViewDelegate* view_delegate_; // Not owned. |
| AppListModel* model_; // Owned by the profile-keyed service. |
| |
| scoped_ptr<AppListMenuViews> menu_; |
| |
| views::View* content_container_; // Owned by views hierarchy. |
| views::ImageView* icon_view_; // Owned by views hierarchy. |
| SearchBoxImageButton* back_button_; // Owned by views hierarchy. |
| SearchBoxImageButton* speech_button_; // Owned by views hierarchy. |
| views::MenuButton* menu_button_; // Owned by views hierarchy. |
| views::Textfield* search_box_; // Owned by views hierarchy. |
| views::View* contents_view_; // Owned by views hierarchy. |
| |
| SearchBoxFocus focused_view_; // Which element has TAB'd focus. |
| |
| DISALLOW_COPY_AND_ASSIGN(SearchBoxView); |
| }; |
| |
| } // namespace app_list |
| |
| #endif // UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_ |